Some standard content:
Military standard for the electronics industry of the People's Republic of China FL6695
SJ 20696—1998
General specification for radar test rangers
1998-03-18 Issued
1998-05-01 Implementation
Approved by the Ministry of Electronics Industry of the People's Republic of China 1 Scope
1.1 Subject matter
1.2 Scope of application
2 Reference documents
Qualification appraisal
3.2 Design and structure.
Appearance quality·
3.4 Dimensions
Weight·
Marking and code
Maintainability
Safety
Performance characteristics
Continuous working time
Deployment and retraction time
Power supply requirements
Power consumption||tt| |Environmental requirements
Reliability
Quality assurance regulations
Inspection responsibilities·
Inspection categories…
Inspection conditions…
Identification inspection
Quality consistency inspection
Packaging inspection
Inspection methods
5 Delivery preparation
Sealing and packaging
Transportation and storage
5.4 Marking
Notes
6.1 Intended use
6.2 Contents of order documents
6.3 Definition·
1 Scope
General specification for radar calibrators for military standards of the electronics industry of the People’s Republic of China
General specificationfor
radar test rangers
1.1 Subject content
SJ20696--1998
This specification specifies the requirements, quality assurance provisions and delivery preparation for radar calibrators. 1.2 Scope of application
This specification applies to ground radar calibrators (hereinafter referred to as calibrators) and is the basic basis for formulating product specifications. 2 References
GJB74A General Specifications for Military Ground Radar
GJB150.3-86 Environmental Test Methods for Military Equipment High Temperature Test GJB150.4-86 Environmental Test Methods for Military Equipment Low Temperature Test GJB150.8-86 Environmental Test Methods for Military Equipment Rain Test GJB179A-86 Counting Sampling Inspection Procedures and Tables GJB2072-84 Maintainability Test and Evaluation
3 Requirements
3.1 Qualification Appraisal
Products submitted in accordance with this specification and product specifications shall be products that have been qualified or approved for finalization. 3.2 Design and Structure
3.2.1 The design and structure shall comply with the provisions of Articles 3.2.1 to 3.2.4, 3.2.7 to 3.2.9, and 3.2.12 to 3.2.16 of GJB74A.
3.2.2 The design should ensure the telecommunication interface and mechanical connection of the calibrator. 3.2.3 Main components
The main components are as follows:
a. Signal source
The signal source is generally composed of an oscillator, an isolator, an attenuator, a modulator and a horn antenna: Issued by the Ministry of Electronics Industry of the People's Republic of China on March 18, 1998 and implemented on May 1, 1998
b. Various optical aiming targets;
c. Aiming position;
d. Power supply;
e. Level;
f. Mounting rod;
g. Lifting tripod, etc.
3.3 Appearance quality
SJ20696--1998
The surface of the calibrator should be free of dents, bumps, cracks, deformation, etc.; the coating should not bubble, crack or fall off; the metal parts should not be rusted or have other mechanical damage; the fastening parts should not be loose. 3.4 Dimensions
The dimensions are specified by the product specifications.
3.5 Weight
The weight is specified by the product specifications.
3.6 Color
The target plate of the calibrator is white and the crosshairs are black. 3.7 Marking and code
The marking and code should comply with the provisions of Article 3.7.1 of GJB74A. 3.8 Maintainability
The mean time to repair (MTTR) of the calibrator should not exceed 30 minutes. 3.9 Safety
The safety of the calibrator shall comply with the requirements of GJB74A Sections 3.10.1 to 3.10.3. 3.10 Performance Characteristics
3.10.1 System (see 4.7.9.1)
Specified by the product specification.
3.10.2 Frequency range (see 4.7.9.2)
Specified by the product specification.
3.10.3 Frequency stability (see 4.7.9.3) shall be better than 10-4 when broadband adjustable and better than 10-6 when fixed frequency oscillation. 3.10.4 Output power (see 4.7.9.4)
Specified by the product specification.
3.10.5 Power attenuation range (see 4.7.9.5) The power attenuation range shall be greater than 30dB.
3.10.6 Axis coordinate accuracy (see 4.7.10) Axis coordinates include the following items:
a. Calibration mirror target center;
b. Horn antenna center;
TV aiming target center:
d. Laser aiming target center;
Search sight target center
f. Calibrator sight center.
SJ20696-1998
The dimensional accuracy of the vertical and horizontal lines of items b to f relative to item a (i.e., axis coordinate accuracy) should generally be better than ±4mm.
3.10.7 Leveling accuracy (see 4.7.11)
Leveling accuracy should not be greater than 0.5°
3.11 Continuous working time
The continuous working time should not be less than 8h.
3.12 Deployment and withdrawal time
Deployment time should not exceed 15min;
Withdrawal time should not exceed 10min.
3.13 Power supply requirements
The calibrator can work under any of the following power supply conditions: a.AC: 220V tolerance +10%~-15%, 50Hz tolerance +2%; b.AC: 220V tolerance ±10%, 400Hz tolerance ±2% c.DC: 12V tolerance ±10%.
3.14 Power consumption
Power consumption is specified by product specifications.
3.15 Environmental requirements
3.15.1 High temperature
High temperature storage temperature is 70°C;
High temperature working temperature is 50°C.
3.15.2 Wet heat
Relative humidity is 95%±3% (30～35°C); insulation resistance before and after the test is specified by the product specification. 3.15.3 Low temperature
Low temperature storage temperature is -55°C;
Low temperature working temperature is -40°℃C.
3.15.4 Rain
Test in the packed state. Rain intensity is 100mm/h, time is 1h, and there should be no leakage after the test. 3.15.5 Dustproof
No dust should enter the box after the transport test. -3-
3.15.6 Sports car
Sports car test is carried out in the packed state.
SJ20696—1998
Identification test: distance 300km, no less than 60% of the third-level road surface, average speed no less than 30km/h. Quality consistency inspection, sports car test conditions are specified by the product specifications. 3.16 Reliability
The lower limit value of the mean time between failures (MTBF) (6,) should be no less than 3000h. 4 Quality Assurance Provisions
4.1 Inspection Responsibility
Unless otherwise specified in the contract or order, the contractor shall be responsible for completing all inspections specified in this specification. If necessary, the ordering party or the superior appraisal agency has the right to inspect any inspection item described in the specification. 4.1.1 Qualification Responsibility
All products must comply with all requirements of Chapters 3 to 5 of this specification. The inspections specified in this specification shall become an integral part of the contractor's entire inspection system or quality outline. If the contract includes inspection requirements not specified in this specification, the contractor shall also ensure that the products submitted for acceptance meet the contract requirements. Quality consistency sampling does not allow the submission of products that are known to be defective, nor does it allow the ordering party to accept defective products. 4.2 Inspection classification
The inspections specified in this specification are divided into:
a. Identification inspection;
b. Quality consistency inspection.
4.3 Inspection conditions
4.3.1 Unless otherwise specified, all tests specified in this specification shall be carried out under the following normal test atmospheric conditions: Temperature: 5~35C;
Relative humidity: 20%~80%:
Air pressure: test site air pressure.
4.3.2 Unless otherwise specified, during the test, the power supply voltage shall be within the range of ±10% of the rated value, and the power supply frequency shall be within the range of ±5% of the rated value.
4.3.3 The test instrument used shall have sufficient accuracy and stability, and its accuracy shall be higher than one-third of the accuracy of the measured index.
4.3.4 The test instrument used shall be metrologically qualified and within the validity period. 4.4 Appraisal test
Appraisal test is generally carried out when the calibration instrument is designed and finalized. However, when there are major changes in the main design, process, components and materials of the calibration instrument that affect its important performance, appraisal test shall also be carried out. Appraisal test shall be carried out in a laboratory or place (site) approved by the ordering party or the superior appraisal agency. 4.4.1 Number of samples
The number of samples for identification inspection shall generally not be less than one (set). 4-
4.4.2 Inspection items
The inspection items are shown in Table 1.
4.4.3 Qualification criteria
SJ20696-1998
When all inspection items meet the requirements of Chapter 3 and Chapter 5 of this specification, the identification inspection shall be judged to be qualified. If any inspection item does not meet the specified requirements, the inspection shall be suspended. The contractor shall analyze the unqualified items, find out the causes of the defects and take corrective measures, and then continue to inspect the unqualified items and related items. If all inspection items meet the specified requirements, the identification inspection shall still be judged to be qualified; if there is still an item that does not meet the specified requirements after continuing the inspection, the identification inspection shall be judged to be unqualified. 4.4.4 Maintenance of qualification for identification
In order to maintain the qualification for identification inspection, the contractor shall provide product test data according to the requirements of the ordering party or the superior identification agency.
4.5 Quality consistency inspection
4.5.1 Inspection grouping
The quality consistency inspection is divided into four groups: A, B, C and D. 4.5.2 Composition and submission of batches
The composition and submission of batches shall comply with the provisions of Article 5.4.6 of GJB179A. 4.5.3 Inspection items
The inspection items are shown in Table 1.
4.5.4 Group A inspection
4.5.4.1 Sampling plan
100% of the inspection batches submitted by the contractor shall be subject to Group A inspection. The batch quality shall be specified by the product specification or contract.
The defect classification shall be specified by the product specification.
4.5.4.2 Qualification criteria
The whole batch evaluation method shall be adopted for each unit (set) to eliminate defective products. According to the inspection results, if the number of defects found is equal to or less than the specified value of the product specification or contract, the batch is judged to have passed the Group A inspection, otherwise, the batch is judged to have failed the Group A inspection. Fatal defects are not allowed in the Group A inspection. Once fatal defects are found, the batch will be rejected. - 5-
Inspection items
Design and structure
Appearance quality
Marking and code
Maintainability
Safety
Frequency range
Frequency stability
Output power
Power attenuation range
Axis coordinate accuracy
Frequency modulation accuracy
Continuous working time
Deployment and withdrawal time
Power supply requirements
Power consumption
Reliability
Storage and packaging
Note: "○" in the table means mandatory items;
SJ:20696-1998
Quality consistency inspection
"" means no items.
Required
Chapter number
Inspection method
Chapter number
4.5.4.3 Re-inspection
SJ20696—1998
For batches that fail the Group A inspection, the contractor shall analyze the batch of products, find out the cause of the defects and take corrective measures before resubmitting them for inspection. The resubmitted batch shall be separated from the new batch and marked with "resubmitted batch". If the re-inspection is qualified, the batch is still judged to have passed the Group A inspection: if the re-inspection is still unqualified, the batch is judged to have failed the Group A inspection.
4.5.4.4 Sample processing
For batches that pass the Group A inspection, the contractor shall be responsible for repairing the defective products and the batches can be delivered after they meet the requirements of the product specifications.
4.5.5 Group B Inspection
4.5.5.1 Sampling Plan
The sampling plan shall be carried out in accordance with the agreement between the ordering party and the contractor.
The defect classification shall be specified in the product specification.
4.5.5.2 Qualification Criteria
According to the inspection results, if the number of defects found is not greater than the qualified judgment number specified in the product specification, the batch shall be judged to have passed the Group B inspection, otherwise, the batch shall be judged to have failed the Group B inspection. 4.5.5.3 Re-inspection
For the batch that has failed the Group B inspection, the contractor shall analyze the batch of products, find out the cause of the defects and take corrective measures, and then resubmit it for inspection. During the re-inspection, the resubmitted batch shall be separated from the new batch and marked as "resubmitted batch", and stricter inspection shall be adopted. If the re-inspection is qualified, the batch shall still be judged to have passed the Group B inspection. If the re-inspection is unqualified, the batch shall be judged to have failed the Group B inspection.
4.5.5.4 Sample Handling
If defective products are found in the batch that has passed the Group B inspection, the contractor shall be responsible for repairing them and delivering them in batch according to the contract or order after they meet the requirements of the product specifications. 4.5.6 Group C Inspection
Group C inspection shall be carried out on the products in the Group A and Group B inspection batches. 4.5.6.1 Sampling Plan
When the batch is not more than 10 units (sets), one unit (set) shall be sampled; when the batch is more than 10 units (sets), two units (sets) shall be sampled.
4.5.6.2 Qualification Criteria
According to the inspection results, if the number of defects found is equal to or less than the specified value of the product specification or contract, the batch is judged to have passed the Group C inspection; otherwise, the batch is judged to have failed the Group C inspection. 4.5.6.3 Re-inspection
If the sample fails the Group C inspection, the acceptance and delivery of the product shall be stopped. The contractor shall notify the superior appraisal agency of the non-conformity. After finding out the cause and taking corrective measures, the contractor shall re-test or inspect all items or only test and inspect the non-conformity items according to the opinions of the ordering party or the superior appraisal agency. When re-testing, a stricter inspection shall be adopted. If the test is still unqualified, the superior appraisal agency shall be notified of the non-conformity. 4.5.6.4 Sample processing
Unless otherwise specified, the contractor shall repair the found or potential damage of the samples after the C group inspection: and then pass the A and B group inspections, and then they can be delivered according to the contract or order. 4.5.6.5 Inspection cycle
The C group inspection cycle is times for each order batch. If the batch is less than 5 units, the contractor and the ordering party shall negotiate whether to conduct the C group inspection.
4.5.7 Group D Inspection
Group D inspection shall be conducted on products that have passed the Group A and Group B inspections. 4.5.7.1 Sampling Plan
Group D inspection samples shall be randomly selected from the products that have passed the Group A and Group B inspections, and the number of samples shall be specified by the product specifications.
4.5.7.2 Non-conformity
If the sample fails the Group D inspection, the acceptance and delivery of the product shall be stopped. The contractor shall notify the superior appraisal agency of the non-conformity. After taking corrective measures, all tests or inspections shall be repeated, or only the non-conforming items shall be tested or inspected, according to the opinions of the superior appraisal agency. If the test is still non-conforming, the non-conformity shall be notified to the superior appraisal agency.
4.5.7.3 Sample handling
Unless otherwise specified, the contractor shall be responsible for repairing the samples inspected by Group D, replacing the parts that have exceeded half of their service life and are damaged during the test, and retesting Group A and Group B before delivery according to the contract or order.
4.5.7.4 Inspection cycle
The inspection cycle of Group D shall be determined by the contract or by negotiation between the contractor and the ordering party based on the stability of product quality, production cycle, quantity and economic situation.
4.6 Packaging inspection
The packaging inspection items shall be specified by the product specifications. The inspection method shall be carried out in accordance with Article 4.6 of GJB74A. 4.7 Inspection method
4.7.1 Design and structure
The design and structure of the calibrator shall be evaluated through design review, special inspection, actual operation and verification. 4.7.2 Appearance quality
Inspect by visual inspection.
4.7.3 Dimensions
Measure with a measuring tool.
4.7.4 Weight4. Weight4. Weight4. Weight4. Weight4. Weight4. Weight4. Weight4. Weight4. Weight4. Weight4. Weight4. Weight2 Unless otherwise specified, during the inspection, the power supply voltage shall be within the range of ±10% of the rated value, and the power supply frequency shall be within the range of ±5% of the rated value.
4.3.3 The test instrument used shall have sufficient accuracy and stability, and its accuracy shall be higher than one-third of the accuracy of the measured index.
4.3.4 The test instrument used shall be qualified by measurement and within the validity period. 4.4 Appraisal inspection
Appraisal inspection is generally carried out when the calibration instrument is designed and finalized. However, when there are major changes in the main design, process, components and materials of the calibration instrument that affect its important performance, appraisal inspection shall also be carried out. Appraisal inspection shall be carried out in a laboratory or place (site) approved by the ordering party or the superior appraisal agency. 4.4.1 Number of samples
The number of samples for appraisal inspection shall generally not be less than one (set). 4-
4.4.2 Inspection items
The inspection items are shown in Table 1.
4.4.3 Qualification Criteria
SJ20696-1998
When all inspection items meet the requirements of Chapter 3 and Chapter 5 of this specification, the identification inspection is considered qualified. If any inspection item does not meet the specified requirements, the inspection should be suspended. The contractor should analyze the unqualified items, find out the causes of the defects and take corrective measures, and then continue to inspect the unqualified items and related items. If all inspection items meet the specified requirements, the identification inspection is still considered qualified; if there is still an item that does not meet the specified requirements after continued inspection, the identification inspection is considered unqualified. 4.4.4 Maintaining the Qualification of Identification
To maintain the qualification of identification inspection, the contractor should provide product test data according to the requirements of the ordering party or the superior identification agency.
4.5 Quality consistency inspection
4.5.1 Inspection grouping
Quality consistency inspection is divided into four groups: A, B, C, and D. 4.5.2 Composition and submission of batches
The composition and submission of batches shall comply with the provisions of Article 5.4.6 of GJB179A. 4.5.3 Inspection items
The inspection items are shown in Table 1.
4.5.4 Group A inspection
4.5.4.1 Sampling plan
100% of the inspection batches submitted by the contractor shall be subject to Group A inspection. The batch quality shall be specified by the product specification or contract.
The defect classification shall be specified by the product specification.
4.5.4.2 Qualification criteria
The whole batch shall be evaluated by inspection of each unit (unit) and the defective products shall be eliminated. According to the inspection results, if the number of defects found is equal to or less than the specified value of the product specification or contract, the batch shall be judged to be qualified for Group A inspection, otherwise, the batch shall be judged to be unqualified for Group A inspection. Fatal defects are not allowed in Group A inspection. Once fatal defects are found, the batch shall be judged to be rejected. - 5-
Inspection items
Design and structure
Appearance quality
Marking and code
Maintainability
Safety
Frequency range
Frequency stability
Output power
Power attenuation range
Axis coordinate accuracy
Frequency modulation accuracy
Continuous working time
Deployment and withdrawal time
Power supply requirements
Power consumption
Reliability
Storage and packaging
Note: "○" in the table means mandatory items;
SJ:20696-1998
Quality consistency inspection
"" means no items.
Required
Chapter number
Inspection method
Chapter number
4.5.4.3 Re-inspection
SJ20696—1998
For batches that fail the Group A inspection, the contractor shall analyze the batch of products, find out the cause of the defects and take corrective measures before resubmitting them for inspection. The resubmitted batch shall be separated from the new batch and marked with "resubmitted batch". If the re-inspection is qualified, the batch is still judged to have passed the Group A inspection: if the re-inspection is still unqualified, the batch is judged to have failed the Group A inspection.
4.5.4.4 Sample processing
For batches that pass the Group A inspection, the contractor shall be responsible for repairing the defective products and the batches can be delivered after they meet the requirements of the product specifications.
4.5.5 Group B Inspection
4.5.5.1 Sampling Plan
The sampling plan shall be carried out in accordance with the agreement between the ordering party and the contractor.
The defect classification shall be specified in the product specification.
4.5.5.2 Qualification Criteria
According to the inspection results, if the number of defects found is not greater than the qualified judgment number specified in the product specification, the batch shall be judged to have passed the Group B inspection, otherwise, the batch shall be judged to have failed the Group B inspection. 4.5.5.3 Re-inspection
For the batch that has failed the Group B inspection, the contractor shall analyze the batch of products, find out the cause of the defects and take corrective measures, and then resubmit it for inspection. During the re-inspection, the resubmitted batch shall be separated from the new batch and marked as "resubmitted batch", and stricter inspection shall be adopted. If the re-inspection is qualified, the batch shall still be judged to have passed the Group B inspection. If the re-inspection is unqualified, the batch shall be judged to have failed the Group B inspection.
4.5.5.4 Sample Handling
If defective products are found in the batch that has passed the Group B inspection, the contractor shall be responsible for repairing them and delivering them in batch according to the contract or order after they meet the requirements of the product specifications. 4.5.6 Group C Inspection
Group C inspection shall be carried out on the products in the Group A and Group B inspection batches. 4.5.6.1 Sampling Plan
When the batch is not more than 10 units (sets), one unit (set) shall be sampled; when the batch is more than 10 units (sets), two units (sets) shall be sampled.
4.5.6.2 Qualification Criteria
According to the inspection results, if the number of defects found is equal to or less than the specified value of the product specification or contract, the batch is judged to have passed the Group C inspection; otherwise, the batch is judged to have failed the Group C inspection. 4.5.6.3 Re-inspection
If the sample fails the Group C inspection, the acceptance and delivery of the product shall be stopped. The contractor shall notify the superior appraisal agency of the non-conformity. After finding out the cause and taking corrective measures, the contractor shall re-test or inspect all items or only test and inspect the non-conformity items according to the opinions of the ordering party or the superior appraisal agency. When re-testing, a stricter inspection shall be adopted. If the test is still unqualified, the superior appraisal agency shall be notified of the non-conformity. 4.5.6.4 Sample processing
Unless otherwise specified, the contractor shall repair the found or potential damage of the samples after the C group inspection: and then pass the A and B group inspections, and then they can be delivered according to the contract or order. 4.5.6.5 Inspection cycle
The C group inspection cycle is times for each order batch. If the batch is less than 5 units, the contractor and the ordering party shall negotiate whether to conduct the C group inspection.
4.5.7 Group D Inspection
Group D inspection shall be conducted on products that have passed the Group A and Group B inspections. 4.5.7.1 Sampling Plan
Group D inspection samples shall be randomly selected from the products that have passed the Group A and Group B inspections, and the number of samples shall be specified by the product specifications.
4.5.7.2 Non-conformity
If the sample fails the Group D inspection, the acceptance and delivery of the product shall be stopped. The contractor shall notify the superior appraisal agency of the non-conformity. After taking corrective measures, all tests or inspections shall be repeated, or only the non-conforming items shall be tested or inspected, according to the opinions of the superior appraisal agency. If the test is still non-conforming, the non-conformity shall be notified to the superior appraisal agency.
4.5.7.3 Sample handling
Unless otherwise specified, the contractor shall be responsible for repairing the samples inspected by Group D, replacing the parts that have exceeded half of their service life and are damaged during the test, and retesting Group A and Group B before delivery according to the contract or order.
4.5.7.4 Inspection cycle
The inspection cycle of Group D shall be determined by the contract or by negotiation between the contractor and the ordering party based on the stability of product quality, production cycle, quantity and economic situation.
4.6 Packaging inspection
The packaging inspection items shall be specified by the product specifications. The inspection method shall be carried out in accordance with Article 4.6 of GJB74A. 4.7 Inspection methodWww.bzxZ.net
4.7.1 Design and structure
The design and structure of the calibrator shall be evaluated through design review, special inspection, actual operation and verification. 4.7.2 Appearance quality
Inspect by visual inspection.
4.7.3 Dimensions
Measure with a measuring tool.
4.7.4 Weight2 Unless otherwise specified, during the inspection, the power supply voltage shall be within the range of ±10% of the rated value, and the power supply frequency shall be within the range of ±5% of the rated value.
4.3.3 The test instrument used shall have sufficient accuracy and stability, and its accuracy shall be higher than one-third of the accuracy of the measured index.
4.3.4 The test instrument used shall be qualified by measurement and within the validity period. 4.4 Appraisal inspection
Appraisal inspection is generally carried out when the calibration instrument is designed and finalized. However, when there are major changes in the main design, process, components and materials of the calibration instrument that affect its important performance, appraisal inspection shall also be carried out. Appraisal inspection shall be carried out in a laboratory or place (site) approved by the ordering party or the superior appraisal agency. 4.4.1 Number of samples
The number of samples for appraisal inspection shall generally not be less than one (set). 4-
4.4.2 Inspection items
The inspection items are shown in Table 1.
4.4.3 Qualification Criteria
SJ20696-1998
When all inspection items meet the requirements of Chapter 3 and Chapter 5 of this specification, the identification inspection is considered qualified. If any inspection item does not meet the specified requirements, the inspection should be suspended. The contractor should analyze the unqualified items, find out the causes of the defects and take corrective measures, and then continue to inspect the unqualified items and related items. If all inspection items meet the specified requirements, the identification inspection is still considered qualified; if there is still an item that does not meet the specified requirements after continued inspection, the identification inspection is considered unqualified. 4.4.4 Maintaining the Qualification of Identification
To maintain the qualification of identification inspection, the contractor should provide product test data according to the requirements of the ordering party or the superior identification agency.
4.5 Quality consistency inspection
4.5.1 Inspection grouping
Quality consistency inspection is divided into four groups: A, B, C, and D. 4.5.2 Composition and submission of batches
The composition and submission of batches shall comply with the provisions of Article 5.4.6 of GJB179A. 4.5.3 Inspection items
The inspection items are shown in Table 1.
4.5.4 Group A inspection
4.5.4.1 Sampling plan
100% of the inspection batches submitted by the contractor shall be subject to Group A inspection. The batch quality shall be specified by the product specification or contract.
The defect classification shall be specified by the product specification.
4.5.4.2 Qualification criteria
The whole batch shall be evaluated by inspection of each unit (unit) and the defective products shall be eliminated. According to the inspection results, if the number of defects found is equal to or less than the specified value of the product specification or contract, the batch shall be judged to be qualified for Group A inspection, otherwise, the batch shall be judged to be unqualified for Group A inspection. Fatal defects are not allowed in Group A inspection. Once fatal defects are found, the batch shall be judged to be rejected. - 5-
Inspection items
Design and structure
Appearance quality
Marking and code
Maintainability
Safety
Frequency range
Frequency stability
Output power
Power attenuation range
Axis coordinate accuracy
Frequency modulation accuracy
Continuous working time
Deployment and withdrawal time
Power supply requirements
Power consumption
Reliability
Storage and packaging
Note: "○" in the table means mandatory items;
SJ:20696-1998
Quality consistency inspection
"" means no items.
Required
Chapter number
Inspection method
Chapter number
4.5.4.3 Re-inspection
SJ20696—1998
For batches that fail the Group A inspection, the contractor shall analyze the batch of products, find out the cause of the defects and take corrective measures before resubmitting them for inspection. The resubmitted batch shall be separated from the new batch and marked with "resubmitted batch". If the re-inspection is qualified, the batch is still judged to have passed the Group A inspection: if the re-inspection is still unqualified, the batch is judged to have failed the Group A inspection.
4.5.4.4 Sample processing
For batches that pass the Group A inspection, the contractor shall be responsible for repairing the defective products and the batches can be delivered after they meet the requirements of the product specifications.
4.5.5 Group B Inspection
4.5.5.1 Sampling Plan
The sampling plan shall be carried out in accordance with the agreement between the ordering party and the contractor.
The defect classification shall be specified in the product specification.
4.5.5.2 Qualification Criteria
According to the inspection results, if the number of defects found is not greater than the qualified judgment number specified in the product specification, the batch shall be judged to have passed the Group B inspection, otherwise, the batch shall be judged to have failed the Group B inspection. 4.5.5.3 Re-inspection
For the batch that has failed the Group B inspection, the contractor shall analyze the batch of products, find out the cause of the defects and take corrective measures, and then resubmit it for inspection. During the re-inspection, the resubmitted batch shall be separated from the new batch and marked as "resubmitted batch", and stricter inspection shall be adopted. If the re-inspection is qualified, the batch shall still be judged to have passed the Group B inspection. If the re-inspection is unqualified, the batch shall be judged to have failed the Group B inspection.
4.5.5.4 Sample Handling
If defective products are found in the batch that has passed the Group B inspection, the contractor shall be responsible for repairing them and delivering them in batch according to the contract or order after they meet the requirements of the product specifications. 4.5.6 Group C Inspection
Group C inspection shall be carried out on the products in the Group A and Group B inspection batches. 4.5.6.1 Sampling Plan
When the batch is not more than 10 units (sets), one unit (set) shall be sampled; when the batch is more than 10 units (sets), two units (sets) shall be sampled.
4.5.6.2 Qualification Criteria
According to the inspection results, if the number of defects found is equal to or less than the specified value of the product specification or contract, the batch is judged to have passed the Group C inspection; otherwise, the batch is judged to have failed the Group C inspection. 4.5.6.3 Re-inspection
If the sample fails the Group C inspection, the acceptance and delivery of the product shall be stopped. The contractor shall notify the superior appraisal agency of the non-conformity. After finding out the cause and taking corrective measures, the contractor shall re-test or inspect all items or only test and inspect the non-conformity items according to the opinions of the ordering party or the superior appraisal agency. When re-testing, a stricter inspection shall be adopted. If the test is still unqualified, the superior appraisal agency shall be notified of the non-conformity. 4.5.6.4 Sample processing
Unless otherwise specified, the contractor shall repair the found or potential damage of the samples after the C group inspection: and then pass the A and B group inspections, and then they can be delivered according to the contract or order. 4.5.6.5 Inspection cycle
The C group inspection cycle is times for each order batch. If the batch is less than 5 units, the contractor and the ordering party shall negotiate whether to conduct the C group inspection.
4.5.7 Group D Inspection
Group D inspection shall be conducted on products that have passed the Group A and Group B inspections. 4.5.7.1 Sampling Plan
Group D inspection samples shall be randomly selected from the products that have passed the Group A and Group B inspections, and the number of samples shall be specified by the product specifications.
4.5.7.2 Non-conformity
If the sample fails the Group D inspection, the acceptance and delivery of the product shall be stopped. The contractor shall notify the superior appraisal agency of the non-conformity. After taking corrective measures, all tests or inspections shall be repeated, or only the non-conforming items shall be tested or inspected, according to the opinions of the superior appraisal agency. If the test is still non-conforming, the non-conformity shall be notified to the superior appraisal agency.
4.5.7.3 Sample handling
Unless otherwise specified, the contractor shall be responsible for repairing the samples inspected by Group D, replacing the parts that have exceeded half of their service life and are damaged during the test, and retesting Group A and Group B before delivery according to the contract or order.
4.5.7.4 Inspection cycle
The inspection cycle of Group D shall be determined by the contract or by negotiation between the contractor and the ordering party based on the stability of product quality, production cycle, quantity and economic situation.
4.6 Packaging inspection
The packaging inspection items shall be specified by the product specifications. The inspection method shall be carried out in accordance with Article 4.6 of GJB74A. 4.7 Inspection method
4.7.1 Design and structure
The design and structure of the calibrator shall be evaluated through design review, special inspection, actual operation and verification. 4.7.2 Appearance quality
Inspect by visual inspection.
4.7.3 Dimensions
Measure with a measuring tool.
4.7.4 Weight4 The test instruments used should be metrologically qualified and within the validity period. 4.4 Identification test
Identification test is generally carried out when the calibration instrument is designed and finalized. However, when there are major changes in the main design, process, components and materials of the calibration instrument that affect its important performance, identification test should also be carried out. Identification test should be carried out in a laboratory or place (site) approved by the ordering party or the superior identification agency. 4.4.1 Number of samples
The number of samples for identification test should generally not be less than one (set). 4-
4.4.2 Inspection items
The inspection items are shown in Table 1.
4.4.3 Qualification criteria
SJ20696-1998
When all inspection items meet the requirements of Chapter 3 and Chapter 5 of this specification, the identification test is judged to be qualified. If any inspection item does not meet the specified requirements, the inspection should be suspended. The contractor should analyze the unqualified items, find out the causes of the defects and take corrective measures. Then, the unqualified items and related items can be inspected. If all inspection items meet the specified requirements, the identification inspection is still considered qualified; if there is still an item that does not meet the specified requirements after continued inspection, the identification inspection is considered unqualified. 4.4.4 Maintaining the qualification for identification
To maintain the qualification for identification inspection, the contractor should provide product test data as required by the ordering party or the superior identification agency.
4.5 Quality consistency inspection
4.5.1 Inspection grouping
The quality consistency inspection is divided into four groups: A, B, C, and D. 4.5.2 Batch composition and submission
The composition and submission of the batch shall comply with the provisions of Article 5.4.6 of GJB179A. 4.5.3 Inspection items
The inspection items are shown in Table 1.
4.5.4 Group A Inspection
4.5.4.1 Sampling Plan
100% of the inspection batches submitted by the contractor shall be subject to Group A inspection. The batch quality shall be specified by the product specification or contract.
The defect classification shall be specified by the product specification.
4.5.4.2 Qualification Criteria
The whole batch shall be evaluated by inspection of each unit (unit) and the defective products shall be eliminated. According to the inspection results, if the number of defects found is equal to or less than the specified value of the product specification or contract, the batch shall be judged as qualified for Group A inspection, otherwise, the batch shall be judged as unqualified for Group A inspection. Fatal defects are not allowed in Group A inspection. Once fatal defects are found, the batch shall be rejected. - 5-
Inspection items
Design and structure
Appearance quality
Marking and code
Maintainability
Safety
Frequency range
Frequency stability
Output power
Power attenuation range
Axis coordinate accuracy
Frequency modulation accuracy
Continuous working time
Deployment and withdrawal time
Power supply requirements
Power consumption
Reliability
Storage and packaging
Note: "○" in the table means mandatory items;
SJ:20696-1998
Quality consistency inspection
"" means no items.
Required
Chapter number
Inspection method
Chapter number
4.5.4.3 Re-inspection
SJ20696—1998
For batches that fail the Group A inspection, the contractor shall analyze the batch of products, find out the cause of the defects and take corrective measures before resubmitting them for inspection. The resubmitted batch shall be separated from the new batch and marked with "resubmitted batch". If the re-inspection is qualified, the batch is still judged to have passed the Group A inspection: if the re-inspection is still unqualified, the batch is judged to have failed the Group A inspection.
4.5.4.4 Sample processing
For batches that pass the Group A inspection, the contractor shall be responsible for repairing the defective products and the batches can be delivered after they meet the requirements of the product specifications.
4.5.5 Group B Inspection
4.5.5.1 Sampling Plan
The sampling plan shall be carried out in accordance with the agreement between the ordering party and the contractor.
The defect classification shall be specified in the product specification.
4.5.5.2 Qualification Criteria
According to the inspection results, if the number of defects found is not greater than the qualified judgment number specified in the product specification, the batch shall be judged to have passed the Group B inspection, otherwise, the batch shall be judged to have failed the Group B inspection. 4.5.5.3 Re-inspection
For the batch that has failed the Group B inspection, the contractor shall analyze the batch of products, find out the cause of the defects and take corrective measures, and then resubmit it for inspection. During the re-inspection, the resubmitted batch shall be separated from the new batch and marked as "resubmitted batch", and stricter inspection shall be adopted. If the re-inspection is qualified, the batch shall still be judged to have passed the Group B inspection. If the re-inspection is unqualified, the batch shall be judged to have failed the Group B inspection.
4.5.5.4 Sample Handling
If defective products are found in the batch that has passed the Group B inspection, the contractor shall be responsible for repairing them and delivering them in batch according to the contract or order after they meet the requirements of the product specifications. 4.5.6 Group C Inspection
Group C inspection shall be carried out on the products in the Group A and Group B inspection batches. 4.5.6.1 Sampling Plan
When the batch is not more than 10 units (sets), one unit (set) shall be sampled; when the batch is more than 10 units (sets), two units (sets) shall be sampled.
4.5.6.2 Qualification Criteria
According to the inspection results, if the number of defects found is equal to or less than the specified value of the product specification or contract, the batch is judged to have passed the Group C inspection; otherwise, the batch is judged to have failed the Group C inspection. 4.5.6.3 Re-inspection
If the sample fails the Group C inspection, the acceptance and delivery of the product shall be stopped. The contractor shall notify the superior appraisal agency of the non-conformity. After finding out the cause and taking corrective measures, the contractor shall re-test or inspect all items or only test and inspect the non-conformity items according to the opinions of the ordering party or the superior appraisal agency. When re-testing, a stricter inspection shall be adopted. If the test is still unqualified, the superior appraisal agency shall be notified of the non-conformity. 4.5.6.4 Sample processing
Unless otherwise specified, the contractor shall repair the found or potential damage of the samples after the C group inspection: and then pass the A and B group inspections, and then they can be delivered according to the contract or order. 4.5.6.5 Inspection cycle
The C group inspection cycle is times for each order batch. If the batch is less than 5 units, the contractor and the ordering party shall negotiate whether to conduct the C group inspection.
4.5.7 Group D Inspection
Group D inspection shall be conducted on products that have passed the Group A and Group B inspections. 4.5.7.1 Sampling Plan
Group D inspection samples shall be randomly selected from the products that have passed the Group A and Group B inspections, and the number of samples shall be specified by the product specifications.
4.5.7.2 Non-conformity
If the sample fails the Group D inspection, the acceptance and delivery of the product shall be stopped. The contractor shall notify the superior appraisal agency of the non-conformity. After taking corrective measures, all tests or inspections shall be repeated, or only the non-conforming items shall be tested or inspected, according to the opinions of the superior appraisal agency. If the test is still non-conforming, the non-conformity shall be notified to the superior appraisal agency.
4.5.7.3 Sample handling
Unless otherwise specified, the contractor shall be responsible for repairing the samples inspected by Group D, replacing the parts that have exceeded half of their service life and are damaged during the test, and retesting Group A and Group B before delivery according to the contract or order.
4.5.7.4 Inspection cycle
The inspection cycle of Group D shall be determined by the contract or by negotiation between the contractor and the ordering party based on the stability of product quality, production cycle, quantity and economic situation.
4.6 Packaging inspection
The packaging inspection items shall be specified by the product specifications. The inspection method shall be carried out in accordance with Article 4.6 of GJB74A. 4.7 Inspection method
4.7.1 Design and structure
The design and structure of the calibrator shall be evaluated through design review, special inspection, actual operation and verification. 4.7.2 Appearance quality
Inspect by visual inspection.
4.7.3 Dimensions
Measure with a measuring tool.
4.7.4 Weight4 The test instruments used should be metrologically qualified and within the validity period. 4.4 Identification test
Identification test is generally carried out when the calibration instrument is designed and finalized. However, when there are major changes in the main design, process, components and materials of the calibration instrument that affect its important performance, identification test should also be carried out. Identification test should be carried out in a laboratory or place (site) approved by the ordering party or the superior identification agency. 4.4.1 Number of samples
The number of samples for identification test should generally not be less than one (set). 4-
4.4.2 Inspection items
The inspection items are shown in Table 1.
4.4.3 Qualification criteria
SJ20696-1998
When all inspection items meet the requirements of Chapter 3 and Chapter 5 of this specification, the identification test is judged to be qualified. If any inspection item does not meet the specified requirements, the inspection should be suspended. The contractor should analyze the unqualified items, find out the causes of the defects and take corrective measures. Then, the unqualified items and related items can be inspected. If all inspection items meet the specified requirements, the identification inspection is still considered qualified; if there is still an item that does not meet the specified requirements after continued inspection, the identification inspection is considered unqualified. 4.4.4 Maintaining the qualification for identification
To maintain the qualification for identification inspection, the contractor should provide product test data as required by the ordering party or the superior identification agency.
4.5 Quality consistency inspection
4.5.1 Inspection grouping
The quality consistency inspection is divided into four groups: A, B, C, and D. 4.5.2 Batch composition and submission
The composition and submission of the batch shall comply with the provisions of Article 5.4.6 of GJB179A. 4.5.3 Inspection items
The inspection items are shown in Table 1.
4.5.4 Group A Inspection
4.5.4.1 Sampling Plan
100% of the inspection batches submitted by the contractor shall be subject to Group A inspection. The batch quality shall be specified by the product specification or contract.
The defect classification shall be specified by the product specification.
4.5.4.2 Qualification Criteria
The whole batch shall be evaluated by inspection of each unit (unit) and the defective products shall be eliminated. According to the inspection results, if the number of defects found is equal to or less than the specified value of the product specification or contract, the batch shall be judged as qualified for Group A inspection, otherwise, the batch shall be judged as unqualified for Group A inspection. Fatal defects are not allowed in Group A inspection. Once fatal defects are found, the batch shall be rejected. - 5-
Inspection items
Design and structure
Appearance quality
Marking and code
Maintainability
Safety
Frequency range
Frequency stability
Output power
Power attenuation range
Axis coordinate accuracy
Frequency modulation accuracy
Continuous working time
Deployment and withdrawal time
Power supply requirements
Power consumption
Reliability
Storage and packaging
Note: "○" in the table means mandatory items;
SJ:20696-1998
Quality consistency inspection
"" means no items.
Required
Chapter number
Inspection method
Chapter number
4.5.4.3 Re-inspection
SJ20696—1998
For batches that fail the Group A inspection, the contractor shall analyze the batch of products, find out the cause of the defects and take corrective measures before resubmitting them for inspection. The resubmitted batch shall be separated from the new batch and marked with "resubmitted batch". If the re-inspection is qualified, the batch is still judged to have passed the Group A inspection: if the re-inspection is still unqualified, the batch is judged to have failed the Group A inspection.
4.5.4.4 Sample processing
For batches that pass the Group A inspection, the contractor shall be responsible for repairing the defective products and the batches can be delivered after they meet the requirements of the product specifications.
4.5.5 Group B Inspection
4.5.5.1 Sampling Plan
The sampling plan shall be carried out in accordance with the agreement between the ordering party and the contractor.
The defect classification shall be specified in the product specification.
4.5.5.2 Qualification Criteria
According to the inspection results, if the number of defects found is not greater than the qualified judgment number specified in the product specification, the batch shall be judged to have passed the Group B inspection, otherwise, the batch shall be judged to have failed the Group B inspection. 4.5.5.3 Re-inspection
For the batch that has failed the Group B inspection, the contractor shall analyze the batch of products, find out the cause of the defects and take corrective measures, and then resubmit it for inspection. During the re-inspection, the resubmitted batch shall be separated from the new batch and marked as "resubmitted batch", and stricter inspection shall be adopted. If the re-inspection is qualified, the batch shall still be judged to have passed the Group B inspection. If the re-inspection is unqualified, the batch shall be judged to have failed the Group B inspection.
4.5.5.4 Sample Handling
If defective products are found in the batch that has passed the Group B inspection, the contractor shall be responsible for repairing them and delivering them in batch according to the contract or order after they meet the requirements of the product specifications. 4.5.6 Group C Inspection
Group C inspection shall be carried out on the products in the Group A and Group B inspection batches. 4.5.6.1 Sampling Plan
When the batch is not more than 10 units (sets), one unit (set) shall be sampled; when the batch is more than 10 units (sets), two units (sets) shall be sampled.
4.5.6.2 Qualification Criteria
According to the inspection results, if the number of defects found is equal to or less than the specified value of the product specification or contract, the batch is judged to have passed the Group C inspection; otherwise, the batch is judged to have failed the Group C inspection. 4.5.6.3 Re-inspection
If the sample fails the Group C inspection, the acceptance and delivery of the product shall be stopped. The contractor shall notify the superior appraisal agency of the non-conformity. After finding out the cause and taking corrective measures, the contractor shall re-test or inspect all items or only test and inspect the non-conformity items according to the opinions of the ordering party or the superior appraisal agency. When re-testing, a stricter inspection shall be adopted. If the test is still unqualified, the superior appraisal agency shall be notified of the non-conformity. 4.5.6.4 Sample processing
Unless otherwise specified, the contractor shall repair the found or potential damage of the samples after the C group inspection: and then pass the A and B group inspections, and then they can be delivered according to the contract or order. 4.5.6.5 Inspection cycle
The C group inspection cycle is times for each order batch. If the batch is less than 5 units, the contractor and the ordering party shall negotiate whether to conduct the C group inspection.
4.5.7 Group D Inspection
Group D inspection shall be conducted on products that have passed the Group A and Group B inspections. 4.5.7.1 Sampling Plan
Group D inspection samples shall be randomly selected from the products that have passed the Group A and Group B inspections, and the number of samples shall be specified by the product specifications.
4.5.7.2 Non-conformity
If the sample fails the Group D inspection, the acceptance and delivery of the product shall be stopped. The contractor shall notify the superior appraisal agency of the non-conformity. After taking corrective measures, all tests or inspections shall be repeated, or only the non-conforming items shall be tested or inspected, according to the opinions of the superior appraisal agency. If the test is still non-conforming, the non-conformity shall be notified to the superior appraisal agency.
4.5.7.3 Sample handling
Unless otherwise specified, the contractor shall be responsible for repairing the samples inspected by Group D, replacing the parts that have exceeded half of their service life and are damaged during the test, and retesting Group A and Group B before delivery according to the contract or order.
4.5.7.4 Inspection cycle
The inspection cycle of Group D shall be determined by the contract or by negotiation between the contractor and the ordering party based on the stability of product quality, production cycle, quantity and economic situation.
4.6 Packaging inspection
The packaging inspection items shall be specified by the product specifications. The inspection method shall be carried out in accordance with Article 4.6 of GJB74A. 4.7 Inspection method
4.7.1 Design and structure
The design and structure of the calibrator shall be evaluated through design review, special inspection, actual operation and verification. 4.7.2 Appearance quality
Inspect by visual inspection.
4.7.3 Dimensions
Measure with a measuring tool.
4.7.4 Weight2 Inspection Items
The inspection items are shown in Table 1.
4.4.3 Qualification Criteria
SJ20696-1998
When all inspection items meet the requirements of Chapter 3 and Chapter 5 of this specification, the identification inspection is considered qualified. If any inspection item does not meet the specified requirements, the inspection should be suspended. The contractor should analyze the unqualified items, find out the causes of the defects and take corrective measures, and then continue to inspect the unqualified items and related items. If all inspection items meet the specified requirements, the identification inspection is still considered qualified; if there is still an item that does not meet the specified requirements after continuing the inspection, the identification inspection is considered unqualified. 4.4.4 Maintenance of Qualification for Identification
To maintain the qualification for identification inspection, the contractor should provide product test data according to the requirements of the ordering party or the superior identification agency.
4.5 Quality Consistency Inspection
4.5.1 Inspection Grouping
Quality consistency inspection is divided into four groups: A, B, C, and D. 4.5.2 Composition and submission of batches
The composition and submission of batches shall comply with the provisions of Article 5.4.6 of GJB179A. 4.5.3 Inspection items
The inspection items are shown in Table 1.
4.5.4 Group A inspection
4.5.4.1 Sampling plan
100% of the inspection batches submitted by the contractor shall be subject to Group A inspection. The batch quality shall be specified by the product specification or contract.
The defect classification shall be specified by the product specification.
4.5.4.2 Qualification criteria
The whole batch shall be evaluated by inspection of each unit (unit) and the defective products shall be eliminated. According to the inspection results, if the number of defects found is equal to or less than the specified value of the product specification or contract, the batch shall be judged to be qualified for Group A inspection, otherwise, the batch shall be judged to be unqualified for Group A inspection. Fatal defects are not allowed in Group A inspection. Once fatal defects are found, the batch shall be judged to be rejected. - 5-
Inspection items
Design and structure
Appearance quality
Marking and code
Maintainability
Safety
Frequency range
Frequency stability
Output power
Power attenuation range
Axis coordinate accuracy
Frequency modulation accuracy
Continuous working time
Deployment and withdrawal time
Power supply requirements
Power consumption
Reliability
Storage and packaging
Note: "○" in the table means mandatory items;
SJ:20696-1998
Quality consistency inspection
"" means no items.
Required
Chapter number
Inspection method
Chapter number
4.5.4.3 Re-inspection
SJ20696—1998
For batches that fail the Group A inspection, the contractor shall analyze the batch of products, find out the cause of the defects and take corrective measures before resubmitting them for inspection. The resubmitted batch shall be separated from the new batch and marked with "resubmitted batch". If the re-inspection is qualified, the batch is still judged to have passed the Group A inspection: if the re-inspection is still unqualified, the batch is judged to have failed the Group A inspection.
4.5.4.4 Sample processing
For batches that pass the Group A inspection, the contractor shall be responsible for repairing the defective products and the batches can be delivered after they meet the requirements of the product specifications.
4.5.5 Group B Inspection
4.5.5.1 Sampling Plan
The sampling plan shall be carried out in accordance with the agreement between the ordering party and the contractor.
The defect classification shall be specified in the product specification.
4.5.5.2 Qualification Criteria
According to the inspection results, if the number of defects found is not greater than the qualified judgment number specified in the product specification, the batch shall be judged to have passed the Group B inspection, otherwise, the batch shall be judged to have failed the Group B inspection. 4.5.5.3 Re-inspection
For the batch that has failed the Group B inspection, the contractor shall analyze the batch of products, find out the cause of the defects and take corrective measures, and then resubmit it for inspection. During the re-inspection, the resubmitted batch shall be separated from the new batch and marked as "resubmitted batch", and stricter inspection shall be adopted. If the re-inspection is qualified, the batch shall still be judged to have passed the Group B inspection. If the re-inspection is unqualified, the batch shall be judged to have failed the Group B inspection.
4.5.5.4 Sample Handling
If defective products are found in the batch that has passed the Group B inspection, the contractor shall be responsible for repairing them and delivering them in batch according to the contract or order after they meet the requirements of the product specifications. 4.5.6 Group C Inspection
Group C inspection shall be carried out on the products in the Group A and Group B inspection batches. 4.5.6.1 Sampling Plan
When the batch is not more than 10 units (sets), one unit (set) shall be sampled; when the batch is more than 10 units (sets), two units (sets) shall be sampled.
4.5.6.2 Qualification Criteria
According to the inspection results, if the number of defects found is equal to or less than the specified value of the product specification or contract, the batch is judged to have passed the Group C inspection; otherwise, the batch is judged to have failed the Group C inspection. 4.5.6.3 Re-inspection
If the sample fails the Group C inspection, the acceptance and delivery of the product shall be stopped. The contractor shall notify the superior appraisal agency of the non-conformity. After finding out the cause and taking corrective measures, the contractor shall re-test or inspect all items or only test and inspect the non-conformity items according to the opinions of the ordering party or the superior appraisal agency. When re-testing, a stricter inspection shall be adopted. If the test is still unqualified, the superior appraisal agency shall be notified of the non-conformity. 4.5.6.4 Sample processing
Unless otherwise specifi
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