Some standard content:
JB/T 10080.1—2000
This standard is a revision of JB/T10080.11999 "Grating Digital Display". Compared with JB/T10080.1—1999, the technical content of this standard has the following changes: the name of the standard is changed to "Grating Digital Display Instrument"; - The grounding protection requirements are proposed, and the inspection method of the continuity of the protective grounding circuit is specified; - The protection level requirements are proposed;
The color requirements of buttons, indicator lights, and wires are specified; The continuous operation requirements are added;
A new requirement is proposed for interference resistance, and electrostatic discharge interference resistance, fast transient electrical pulse group interference resistance, voltage surge interference resistance, and voltage sag and short-term interruption interference resistance are adopted; In the inspection rules, judgment rules are added; - The requirements for input signal waveforms are added; A recommended method is proposed for reliability tests. This standard replaces JB/T10080.1-1999 from the date of implementation. Appendix A and Appendix B of this standard are both standard appendices. Appendix C of this standard is a reminder appendix.
This standard is proposed and managed by the National Technical Committee for Standardization of Metal Cutting Machine Tools. The drafting unit of this standard: Beijing Machine Tool Research Institute. The main drafters of this standard: Xing Guochun and Zhao Huiying. This standard was first issued in March 1989 as ZBJ51006-89, and the standard number was adjusted to JB/T10080.1-1999 in 1999. :654
1 Scope
Machinery Industry Standard of the People's Republic of China
Digital readouts for grating transducer
Digital readouts for grating transducerJB/T 10080. 1-2000
Replaces JB/T10080.1-1999
This standard specifies the basic parameters, technical requirements, inspection rules, packaging and storage and transportation of grating digital display instruments (hereinafter referred to as digital display meters). This standard applies to digital display meters with grating line displacement sensors and angular displacement sensors as detection components. 2 Referenced standards
The provisions contained in the following standards constitute the provisions of this standard through reference in this standard. When this standard is published, the versions shown are valid. All standards will be revised, and parties using this standard should explore the possibility of using the latest versions of the following standards. GB191-1990 Packaging, storage and transportation pictorial marking
GB/T2423.1-1989 Basic environmental testing procedures for electric and electronic products Test A: Low temperature test method GB/T2423.2-1989 Basic environmental testing procedures for electric and electronic products Test B: High temperature test method GB/T2423.3-1993 Basic environmental testing procedures for electric and electronic products Test Ca: Steady-state damp heat test method GB/T2423.5-1995 Environmental testing for electric and electronic products Part 2: Test method Test Ea and guidance: Shock GB/T2423.10-1995 Environmental testing for electric and electronic products Part 2: Test method Test Fc and guidance: Vibration (sinusoidal) GB/T 2828—1987
Batch inspection counting sampling procedure and sampling table (applicable to inspection of continuous batches) GB/T3168--1993 Visual symbols for operating instructions of digitally controlled machine tools GB4208---1993 Enclosure protection degree (IP code) GB/T4857.5--1992 Packaging and transport package drop test method GB/T5226.1—1996 Industrial machinery and electrical equipment Part 1: General technical conditions GB/T6587.8-1986 Power supply frequency and voltage test for electronic measuring instruments GB/T13384--1992 General technical conditions for packaging of electromechanical products Guide for reliability verification test and determination test (exponential distribution) for instruments JB/T 6214--1992
IEC61000-4 Electromagnetic compatibility test and measurement technology 3 Definitions
This standard adopts the following definitions.
3.1 Environmental adaptability
The adaptability of a digital display to serve its intended purpose under specified environmental conditions and during its intended life. 3.2 Relative humidity
The ratio of the actual water vapor pressure in the air to the saturated water vapor pressure at the current temperature. Expressed as a percentage (%). 3.3 Octave
The frequency band between two frequencies with a frequency ratio of 2. 3.4 Immunity (to disturbance)
The ability of a digital display device to operate without being degraded in the presence of electromagnetic disturbance. Approved by the State Bureau of Machinery Industry on January 4, 2000, and implemented on June 1, 2000
Electromagnetic disturbance
JB/T 10080.1—2000
Any electromagnetic phenomenon that may degrade the performance of a digital display device. 3.6 Electrostatic discharge
The transfer of charge that occurs when objects with different electrostatic potentials approach or come into direct contact. 3.7 Pulse group
A group of a limited number of distinguishable pulses or oscillations of limited duration. 3.8 Coupling clamp
A device of specified size and characteristics that couples interference signals to the circuit under test in common mode without any electrical connection to the circuit under test.
3.9 Voltage shock
A transient voltage wave transmitted along the line, characterized by a rapid rise in voltage followed by a slow drop in voltage. 3.10 Voltage sag
A sudden drop in voltage at a certain point in the electrical system. After a short duration of half a cycle to a few seconds, the voltage returns to the positive band. 3.11 Short interruption
The power supply voltage disappears for a period of time, generally not exceeding 1 minute. A short interruption can be considered as a voltage sag of 100% amplitude. 3.12 Reliability
The ability of a product to perform its specified functions under specified conditions and within a specified time. Structural type and basic parameters
4.1 Structural type
According to the number of coordinates, it is divided into single coordinate, double coordinate and multi-coordinate. 4.2 Basic parameters
Basic parameters are shown in Table 1.
Table 1 Basic parameters
Minimum display value of linear displacement
Minimum display value of angular displacement
Supply voltage of sensor
Supply current of sensor for each coordinate
Input signal waveform
5 Technical requirements
5.1 Environmental adaptability
5.1.1 Climate environment adaptability
See Table 2 for climate environment.
Ambient temperature
Relative humidity
5.1.2 Mechanical environment adaptability
5.1.2.1 Mechanical vibration (sinusoidal)
10,5,2,1,0.5,0.2,0.1
120,60,30,20,10,5,2,10.5
+5，±5，+12,±12
0.5(+5V.±5V),0.2(+12V.±12V)Sine, square wave, level range
Table 2 Climate environment
Working climate
0～45
≤95(at 45℃±2℃)
Storage and transportation climate
-40-+55www.bzxz.net
≤95(at 45℃±2℃）)
JB/T 10080. 1--2000
Under the condition of no packaging, the digital display meter should be able to withstand certain mechanical vibration, and its appearance and assembly quality remain unchanged. After power on, it can still work normally. See Table 3 for vibration conditions.
Table 3 Vibration (sinusoidal) conditions
Vibration amplitude
Frequency sweep range
Frequency sweep rate
Vibration direction
Duration
5.1.2.2 Shock
Octave/min
10-55-10
X, Y, Z
The digital display should be able to withstand certain shocks without packaging, and its appearance should not have obvious damage or deformation, and it can still work normally after power is turned on. The shock conditions are shown in Table 4.
Table 4 Shock test conditions
Shock acceleration
300m/s2
5.1.2.3 Package drop
Duration
Shock waveform
Half sine wave
The digital display should be able to withstand the drop test specified in Table 5 under packaging conditions. After the test, there should be no mechanical damage and it can still work normally after power on.
Table 5 Drop test conditions for transport packages
Mass of package kg
Drop height mm
5.1.3 Surrounding environment
>15～30
>30～40
The digital display meter shall not be placed in a humid, oily, strongly electromagnetically polluted, excessively polluted or highly vibrating environment during transportation, storage and use. 5.1.4 Power supply adaptability
The digital display meter shall work normally under the following power supply conditions: Voltage: The steady-state voltage value is 0.85~1.1 times rated voltage, frequency: 0.98~1.02 times rated frequency.
5.2 Functions
5.2.1 Basic functions
5.2.1.1 After the digital display meter and the sensor form a measuring device, they should count correctly within the effective range, and the digital display meter digital tube display value should be clearly visible within a 120° range and a line of sight of 5m. 5.2.1.2 It has a zeroing function.
5.2.2 For a digital display meter with a reference zero position display function, the zero position function should be displayed correctly, and its error should not be greater than ±1 minimum indication value. 5.2.3 Additional functions
The additional functions of the digital display meter should comply with the provisions of the product technical documents. 5.3 Appearance Quality
5.3.1 Appearance
Before and after various tests, the panel and housing of the digital display shall not have obvious dents, scratches, cracks and deformation, and the surface coating and plating shall not have defects such as bubbles, cracks, shedding and rust. 5.3.2 Marking
The switches, buttons, lamps, plug sockets, etc. on the housing and panel of the digital display shall have markings indicating their functions and comply with regulations. These markings shall be firm, clear, beautiful and durable. When using figurative graphics, follow the provisions of GB/T3168. 657
5.3.3 Color
JB/T 10080.1—2000
The color and diameter of the connecting wires, the colors of the switches, buttons and lamps on the panel shall follow the provisions of GB/T5226.1. 5.3.4 Protection level
The digital display should have measures to prevent the entry of foreign solid foreign objects and liquids, and its protection level should not be lower than the requirements of IP54 in GB4208. 5.4 Accuracy
When the calibrated grating analog signal is input into the digital display, the difference between the digital display display value and the calibrated value shall not exceed ±1 minimum indication value. 5.5 Stability
Under the working environment, the digital display inputs the calibrated grating analog signal, and its digital drift shall not exceed ±1 minimum indication value. 5.6 Electrical safety performance
5.6.1 Grounding protection
The housing should have a protective grounding terminal and a PE mark. The power supply neutral line N shall not be connected to PE and shall not replace each other. Electrical and mechanical conductors should be connected to the protective grounding circuit with yellow-green wires, and the connection should be firm. The continuity of the protective grounding circuit shall comply with the provisions of 8.2.3 in GB/T5226.1-1996. 5.6.2 Insulation resistance
In the working environment, the insulation resistance measured when a 500V DC voltage is applied between the power line L and N terminals and the protective grounding should be greater than 1Mα. 5.6.3 Withstand voltage strength
The power line L and N terminals and the protective grounding should be able to withstand a withstand voltage test with an effective value of 1000V AC voltage, a frequency of 50Hz, and a time of 10s. The current is not greater than 5mA. There shall be no breakdown or arcing during the test. 5.7 Immunity requirements
The digital display device should have a certain anti-interference performance. After being disturbed, it is allowed to add or subtract 1 minimum indication value, and the function will not be degraded. 5.7.1 Electrostatic discharge immunity
When the digital display device is working, an electrostatic discharge test is carried out on all parts that the operator often touches. The contact discharge voltage is 6kV and the air discharge voltage is 8kV. During the test, the digital display should work normally. 5.7.2 Immunity to fast transient electrical pulse groups
5.7.2.1 When the digital display device is working, a pulse group is applied between the AC power supply terminal and the protective grounding terminal. The pulse group duration is 15ms, the pulse group interval is 300ms, the single pulse width is 50ns (1±30%), the pulse amplitude is 2kV, the pulse rising edge is 50ns (1±30%), the pulse repetition rate is 5kHz, and the positive and negative pulse group interference time is 1min. During the test, the digital display should work normally. 5.7.2.2 When the digital display device is working, the sensor signal cable is applied with a coupling clamp. The pulse amplitude is 1kV. Other parameters are the same as 5.7.2.1. During the test, the digital display should work normally. 5.7.3 Voltage surge immunity
The input power is superimposed with a pulse voltage, with a leading edge of 1.2us (1±30%), a width of 50μs (1±20%), a peak value of 2kV (1±10%), a pulse repetition rate of 1 time per minute, a positive/negative polarity, and a test time of 5 times each. During the test, the digital display should work normally.
5.7.4 Voltage sag and short-term interruption immunity When the digital display device is working, the voltage at the AC power supply port changes, and is divided into three levels according to the percentage of the power supply voltage value, see Table 6, and the digital display should work normally. Table 6 Voltage dip and short interruption test level Ut
5.8 Continuous operation
Duration cycle
JB/T10080.1--2000
The digital display device shall be tested for at least 48 hours of continuous operation under the environmental conditions of 40℃±2℃ and relative humidity of 30%-60% without any failure. The test conditions are shown in Table 7. 24 hours is one cycle, and there are 2 cycles in total. Table 7 Continuous operation conditions
Working voltage
Time h
5.9 Working frequency range
Rated value
1. 1 times rated value
Rated value
The working frequency range shall be given in the instruction manual of the digital display and shall comply with the provisions of 5.2. 5.10 Reliability
0.85 times rated value
The reliability of digital display is evaluated by the mean time between failures (MTBF), and its MTBF value should not be less than 5000h. 5.11 Label
Digital display should have product labels fixed in appropriate locations. The labels should be durable and the main contents should include: supplier name and trademark;
Product name or model:
Rated voltage, number of phases, frequency and rated current; c)
Factory date and number;
e) Manufacturing measuring instrument license mark and symbol. 5.12 Documents
5.12.1 Technical documents
The supplier should provide the user with instructions including installation, use and connection. 5.12.2 Inspection documents
The supplier should provide the user with the certificate of conformity and warranty of the digital display. 5.12.3 Packaging documents
The supplier shall provide the user with a packing list, which shall include the number of packaging boxes, product model, type, and number of random accessories. 6 Inspection rules
6.1 Inspection classification
The inspection of digital display meters is divided into type inspection (finalization or identification) and factory inspection. 6.1.1 Type inspection
Type inspection shall be carried out when one of the following conditions is met, and the inspected samples shall be no less than 3 sets: a)
New product identification;
Major design changes;
Major process method changes;
d) Changes in key materials and components;
When production is resumed after a production interruption of more than one year. e)
6.1.2 Factory inspection
Each digital display meter produced in batches shall pass factory inspection. 6.2 Test methods
See Appendix A (Appendix to the standard).
6.3 Inspection items and judgment rules
6.3.1 Inspection items
See Appendix B (Appendix to the standard).
6.3.2 Judgment rules
JB/T10080.1--2000
In the judgment rules, the concept of "importance" is introduced. Importance refers to the importance of the content required by the quality standard in the product quality, which is divided into two levels, A and B, see Appendix B.
6.3.2.1 Class A importance
Key items that directly affect the anti-interference performance and directly endanger personal safety are listed in Class A importance. For inspection items listed in Class A importance, even if there are slight defects, they are judged as unqualified products. 6.3.2.2 Class B importance
Relevant inspection items that have no direct impact or little impact on product quality and have independent characteristics in quality indicators are listed in Class B importance. Two B-level items are equivalent to one A-level item, that is, for the inspection items with B-level importance, if there are two or more minor defects, they are also judged as unqualified products.
Packaging and storage and transportation
7.1 Packaging
The packaging box must be firm and have measures to prevent moisture, vibration and collision. There should be graphic signs such as "handle with care", "upward", and "afraid of moisture" on the packaging box. The packaging box must indicate the quantity and number, name, shipping unit, receiving unit, departure station, arrival station, quality, etc. The packaging box with a packing list must be marked. All markings should be clear, obvious, firm, and comply with the provisions of GB191 and GB/T13384. 7.2 Storage
The storage conditions of the digital display meter should be waterproof, dustproof and corrosion-resistant. If the storage period exceeds one year, it should be re-inspected and tested. 7.3 Transportation
When transporting, the product shall not be loaded in the open cabin and carriage, and it shall be waterproof and corrosion-resistant, and the packaging box shall be placed firmly. 660
A1Test conditions
A1.1 Normal environmental conditions
Environmental temperature: 15~35℃
Relative humidity: 30%~~60%
Atmospheric pressure: 86~106kPa
A1,2 Reference environmental conditions
Reference temperature: 20℃±2℃
Relative humidity: 48%~52%
Atmospheric pressure: 86～106kPa
A2 Test items and methods
A2.1—General requirements inspection
JB/T 10080. 1--2000
Appendix A
(Appendix to the standard)
Test method
Use the self-test method and other necessary means to inspect the test product according to the requirements of 5.3 and 5.11, and it should meet the requirements. A2.2 Electrical safety test
A2.2.1 Continuity test of protective earthing circuit a) First inspect the test product by visual inspection according to 5.6.1; and conduct the test according to 20.2 of GB/T5226.1-1996. b)
A2.2.2 Insulation resistance test
Use a 500V (DC) megohmmeter (or equivalent equipment) to test the power input terminal and protective earthing terminal of the test product, and read the insulation resistance value after applying the voltage for 1 minute. The result should meet the requirements of 5.6.2. A2.2.3 Withstand voltage strength test
Use the withstand voltage strength test device to apply the test voltage specified in 5.6.3 between the power input terminal and the protective earthing terminal of the test product and maintain it for 10 seconds. The test result should meet the requirements of 5.6.3. A2.3 Environmental adaptability test
A2.3.1 Climate environmental adaptability test
A2.3.1.1 Temperature test
According to Table 1, the test can be carried out according to GB/T2423.1 and GB/T2423.2, and the test results should comply with the provisions of 5.2~5.6 and 5.11. A2.3.1.2 Steady heat test
According to Table 1, the test can be carried out according to GB/T2423.3, and the test results should comply with the provisions of 5.2~~5.6 and 5.11. A2.3.1.3 Continuous operation test
a) Place the test product and the sensor into a measuring device and place it in the test chamber; b) Adjust the temperature to 40℃±2℃, wait for at least 1 hour to reach thermal equilibrium, and then turn on the power of the test product; c) Power on and run for 48 hours, and check once every 4 hours. The 24-hour voltage fluctuation (adjusted by a voltage regulator) is shown in Table 7; d) During the test, the display value drift of the test product should not exceed ±2 minimum indications, and it can work normally. A2.3.2 Mechanical environment adaptability test
A2.3.2.1 Mechanical vibration (sinusoidal) test
According to Table 3, the test can be carried out according to GB/T2423.10, and the test results should meet the requirements of 5.1.2.1. 661
A2.3.2.2 Impact test
JB/T10080.1-—2000
According to Table 4, the test can be carried out according to GB/T2423.5, and the test results should comply with the provisions of 5.1.2.2. A2.3.2.3 Package drop
According to Table 5, the test can be carried out according to GB/T4857.5, and the test results should comply with the provisions of 5.1.2.3. A2.3.3 Power adaptability test
According to 5.1.4, the test can be carried out according to GB/T6587.8, and the test results should comply with the provisions of 5.2, 5.4, 5.5 and 5, 7. A2.4 Functional inspection
The test product and the sensor form a measuring device, which is powered on and operated, and the test results should comply with the provisions of 5.2. A2.5 Immunity test (under laboratory conditions) A2.5.1 Electrostatic discharge immunity test
According to the requirements of 5.7:1, the test shall be carried out in accordance with Chapter 2 of IEC61000-4. The test results shall comply with the provisions of 5.7.1. A2.5.2 Fast transient electrical pulse group immunity test According to the requirements of 5.7.2, the test shall be carried out in accordance with Chapter 4 of IEC61000-4. The test results shall comply with the provisions of 5.7.2. A2.5.3 Voltage surge immunity test
According to the requirements of 5.7.3, the test shall be carried out in accordance with Chapter 5 of IEC61000-4. The test results shall comply with the provisions of 5.7.3. A2.5.4 Voltage sag and short interruption immunity test According to the requirements of Table 6, the test shall be carried out in accordance with Chapter 11 of IEC61000-4. The test results shall comply with the provisions of 5.7.4. A2.6 Accuracy test
Under the basic environment, input the digital display with the calibrated grating analog signal, repeat 10 times, the test result shall comply with the provisions of 5.4. A2.7 Stability test
Use the calibrated grating analog signal to input the digital display, start the machine for 10 minutes, record once every 30 minutes, a total of 4 hours, the test result shall comply with the provisions of 5.5.
A2.8 Working frequency range test
Use the calibrated grating analog signal to input the digital display, take 10 points at equal intervals within the working frequency range, the test result shall comply with the provisions of 5.9.
A2.9 Packaging inspection
Carry out by visual inspection, the result shall comply with the provisions of 7.1. A2.10 Random document completeness inspection
For the tested products that pass the factory inspection, their random documents shall comply with the provisions of 5.12.3. A2.11 Reliability test
Please refer to Appendix C (suggestive appendix). The test results should comply with the provisions of 5.10. 662
See Table B1 for inspection items and importance.
Inspection items
General inspection
Functional inspection
Protective grounding circuit continuity
Insulation resistance
Withstand voltage strength
Power supply adaptability
Temperature adaptability
Constant condensation heat adaptability
Vibration (sinusoidal) adaptability
Shock adaptability
Packaging drop adaptability
Electrostatic discharge immunity
Fast transient electrical pulse group immunity
Voltage shock immunity
Voltage sag, short interruption immunity
Continuous operation
Accuracy
Stability
Working rate range
Packaging inspection
Complete set inspection of random documents
Reliability
JB/T 10080.1—2000
Appendix B
(Appendix of the standard)
Inspection items and importance
Inspection items and importance
Importance
Technical requirements
Type inspection
Factory inspection
Test plan
Carry out in accordance with JB/T6214.
JB/T10080.1--2000
Appendix C
(Appendix of the suggestion)
Reliability test
When using the fixed-time constant-number truncation test plan, plans 5:2 and 5:3 can be selected. When using the truncation sequential test plan, plans 4:6 and 47 can be selected for C2 sample extraction regulations
The number of test products for reliability identification test should be no less than 3. The test products for reliability acceptance test shall be randomly selected from the qualified products according to the provisions of GB/T2828.1 Climate and environment adaptability test
A2.3.1.1 Temperature test
According to Table 1, the test can be carried out according to GB/T2423.1 and GB/T2423.2, and the test results should comply with the provisions of 5.2~5.6 and 5.11. A2.3.1.2 Steady heat and humidity test
According to Table 1, the test can be carried out according to GB/T2423.3, and the test results should comply with the provisions of 5.2~~5.6 and 5.11. A2.3.1.3 Continuous operation test
a) Place the test product and the sensor into a measuring device and place it in the test chamber; b) Adjust the temperature to 40℃±2℃, wait for at least 1 hour to reach thermal equilibrium, and then turn on the power of the test product; c) Power on and run for 48 hours, and check once every 4 hours. The 24-hour voltage fluctuation (adjusted by a voltage regulator) is shown in Table 7; d) During the test, the display value drift of the test product should not exceed ±2 minimum indications, and it can work normally. A2.3.2 Mechanical environment adaptability test
A2.3.2.1 Mechanical vibration (sinusoidal) test
According to Table 3, the test can be carried out according to GB/T2423.10, and the test results should meet the requirements of 5.1.2.1. 661
A2.3.2.2 Impact test
JB/T10080.1-—2000
According to Table 4, the test can be carried out according to GB/T2423.5, and the test results should comply with the provisions of 5.1.2.2. A2.3.2.3 Package drop
According to Table 5, the test can be carried out according to GB/T4857.5, and the test results should comply with the provisions of 5.1.2.3. A2.3.3 Power adaptability test
According to 5.1.4, the test can be carried out according to GB/T6587.8, and the test results should comply with the provisions of 5.2, 5.4, 5.5 and 5, 7. A2.4 Functional inspection
The test product and the sensor form a measuring device, which is powered on and operated, and the test results should comply with the provisions of 5.2. A2.5 Immunity test (under laboratory conditions) A2.5.1 Electrostatic discharge immunity test
According to the requirements of 5.7:1, the test shall be carried out in accordance with Chapter 2 of IEC61000-4. The test results shall comply with the provisions of 5.7.1. A2.5.2 Fast transient electrical pulse group immunity test According to the requirements of 5.7.2, the test shall be carried out in accordance with Chapter 4 of IEC61000-4. The test results shall comply with the provisions of 5.7.2. A2.5.3 Voltage surge immunity test
According to the requirements of 5.7.3, the test shall be carried out in accordance with Chapter 5 of IEC61000-4. The test results shall comply with the provisions of 5.7.3. A2.5.4 Voltage sag and short interruption immunity test According to the requirements of Table 6, the test shall be carried out in accordance with Chapter 11 of IEC61000-4. The test results shall comply with the provisions of 5.7.4. A2.6 Accuracy test
Under the basic environment, input the digital display with the calibrated grating analog signal, repeat 10 times, the test result shall comply with the provisions of 5.4. A2.7 Stability test
Use the calibrated grating analog signal to input the digital display, start the machine for 10 minutes, record once every 30 minutes, a total of 4 hours, the test result shall comply with the provisions of 5.5.
A2.8 Working frequency range test
Use the calibrated grating analog signal to input the digital display, take 10 points at equal intervals within the working frequency range, the test result shall comply with the provisions of 5.9.
A2.9 Packaging inspection
Carry out by visual inspection, the result shall comply with the provisions of 7.1. A2.10 Random document completeness inspection
For the tested products that pass the factory inspection, their random documents shall comply with the provisions of 5.12.3. A2.11 Reliability test
Please refer to Appendix C (suggestive appendix). The test results should comply with the provisions of 5.10. 662
See Table B1 for inspection items and importance.
Inspection items
General inspection
Functional inspection
Protective grounding circuit continuity
Insulation resistance
Withstand voltage strength
Power supply adaptability
Temperature adaptability
Constant condensation heat adaptability
Vibration (sinusoidal) adaptability
Shock adaptability
Packaging drop adaptability
Electrostatic discharge immunity
Fast transient electrical pulse group immunity
Voltage shock immunity
Voltage sag, short interruption immunity
Continuous operation
Accuracy
Stability
Working rate range
Packaging inspection
Complete set inspection of random documents
Reliability
JB/T 10080.1—2000
Appendix B
(Appendix of the standard)
Inspection items and importance
Inspection items and importance
Importance
Technical requirements
Type inspection
Factory inspection
Test plan
Carry out in accordance with JB/T6214.
JB/T10080.1--2000
Appendix C
(Appendix of the suggestion)
Reliability test
When using the fixed-time constant-number truncation test plan, plans 5:2 and 5:3 can be selected. When using the truncation sequential test plan, plans 4:6 and 47 can be selected for C2 sample extraction regulations
The number of test products for reliability identification test should be no less than 3. The test products for reliability acceptance test shall be randomly selected from the qualified products according to the provisions of GB/T2828.1 Climate and environment adaptability test
A2.3.1.1 Temperature test
According to Table 1, the test can be carried out according to GB/T2423.1 and GB/T2423.2, and the test results should comply with the provisions of 5.2~5.6 and 5.11. A2.3.1.2 Steady heat and humidity test
According to Table 1, the test can be carried out according to GB/T2423.3, and the test results should comply with the provisions of 5.2~~5.6 and 5.11. A2.3.1.3 Continuous operation test
a) Place the test product and the sensor into a measuring device and place it in the test chamber; b) Adjust the temperature to 40℃±2℃, wait for at least 1 hour to reach thermal equilibrium, and then turn on the power of the test product; c) Power on and run for 48 hours, and check once every 4 hours. The 24-hour voltage fluctuation (adjusted by a voltage regulator) is shown in Table 7; d) During the test, the display value drift of the test product should not exceed ±2 minimum indications, and it can work normally. A2.3.2 Mechanical environment adaptability test
A2.3.2.1 Mechanical vibration (sinusoidal) test
According to Table 3, the test can be carried out according to GB/T2423.10, and the test results should meet the requirements of 5.1.2.1. 661
A2.3.2.2 Impact test
JB/T10080.1-—2000
According to Table 4, the test can be carried out according to GB/T2423.5, and the test results should comply with the provisions of 5.1.2.2. A2.3.2.3 Package drop
According to Table 5, the test can be carried out according to GB/T4857.5, and the test results should comply with the provisions of 5.1.2.3. A2.3.3 Power adaptability test
According to 5.1.4, the test can be carried out according to GB/T6587.8, and the test results should comply with the provisions of 5.2, 5.4, 5.5 and 5, 7. A2.4 Functional inspection
The test product and the sensor form a measuring device, which is powered on and operated, and the test results should comply with the provisions of 5.2. A2.5 Immunity test (under laboratory conditions) A2.5.1 Electrostatic discharge immunity test
According to the requirements of 5.7:1, the test shall be carried out in accordance with Chapter 2 of IEC61000-4. The test results shall comply with the provisions of 5.7.1. A2.5.2 Fast transient electrical pulse group immunity test According to the requirements of 5.7.2, the test shall be carried out in accordance with Chapter 4 of IEC61000-4. The test results shall comply with the provisions of 5.7.2. A2.5.3 Voltage surge immunity test
According to the requirements of 5.7.3, the test shall be carried out in accordance with Chapter 5 of IEC61000-4. The test results shall comply with the provisions of 5.7.3. A2.5.4 Voltage sag and short interruption immunity test According to the requirements of Table 6, the test shall be carried out in accordance with Chapter 11 of IEC61000-4. The test results shall comply with the provisions of 5.7.4. A2.6 Accuracy test
Under the basic environment, input the digital display with the calibrated grating analog signal, repeat 10 times, the test result shall comply with the provisions of 5.4. A2.7 Stability test
Use the calibrated grating analog signal to input the digital display, start the machine for 10 minutes, record once every 30 minutes, a total of 4 hours, the test result shall comply with the provisions of 5.5.
A2.8 Working frequency range test
Use the calibrated grating analog signal to input the digital display, take 10 points at equal intervals within the working frequency range, the test result shall comply with the provisions of 5.9.
A2.9 Packaging inspection
Carry out by visual inspection, the result shall comply with the provisions of 7.1. A2.10 Random document completeness inspection
For the tested products that pass the factory inspection, their random documents shall comply with the provisions of 5.12.3. A2.11 Reliability test
Please refer to Appendix C (suggestive appendix). The test results should comply with the provisions of 5.10. 662
See Table B1 for inspection items and importance.
Inspection items
General inspection
Functional inspection
Protective grounding circuit continuity
Insulation resistance
Withstand voltage strength
Power supply adaptability
Temperature adaptability
Constant condensation heat adaptability
Vibration (sinusoidal) adaptability
Shock adaptability
Packaging drop adaptability
Electrostatic discharge immunity
Fast transient electrical pulse group immunity
Voltage shock immunity
Voltage sag, short interruption immunity
Continuous operation
Accuracy
Stability
Working rate range
Packaging inspection
Complete set inspection of random documents
Reliability
JB/T 10080.1—2000
Appendix B
(Appendix of the standard)
Inspection items and importance
Inspection items and importance
Importance
Technical requirements
Type inspection
Factory inspection
Test plan
Carry out in accordance with JB/T6214.
JB/T10080.1--2000
Appendix C
(Appendix of the suggestion)
Reliability test
When using the fixed-time constant-number truncation test plan, plans 5:2 and 5:3 can be selected. When using the truncation sequential test plan, plans 4:6 and 47 can be selected for C2 sample extraction regulations
The number of test products for reliability identification test should be no less than 3. The test products for reliability acceptance test shall be randomly selected from the qualified products according to the provisions of GB/T2828.8 Operating frequency range test
Use the calibrated grating analog signal to input the digital display, and take 10 points at equal intervals within the operating frequency range. The test results should comply with the provisions of 5.9.
A2.9 Packaging inspection
It is carried out by visual inspection, and the results should comply with the provisions of 7.1. A2.10 Random document completeness inspection
For the test products that pass the factory inspection, their random documents should comply with the provisions of 5.12.3. A2.11 Reliability test
Please refer to Appendix C (suggested appendix), and the test results should comply with the provisions of 5.10. 662
See Table B1 for inspection items and importance.
Inspection items
General inspection
Functional inspection
Protective grounding circuit continuity
Insulation resistance
Withstand voltage strength
Power supply adaptability
Temperature adaptability
Constant condensation heat adaptability
Vibration (sinusoidal) adaptability
Shock adaptability
Packaging drop adaptability
Electrostatic discharge immunity
Fast transient electrical pulse group immunity
Voltage shock immunity
Voltage sag, short interruption immunity
Continuous operation
Accuracy
Stability
Working rate range
Packaging inspection
Complete set inspection of random documents
Reliability
JB/T 10080.1—2000
Appendix B
(Appendix of the standard)
Inspection items and importance
Inspection items and importance
Importance
Technical requirements
Type inspection
Factory inspection
Test plan
Carry out in accordance with JB/T6214.
JB/T10080.1--2000
Appendix C
(Appendix of the suggestion)
Reliability test
When using the fixed-time constant-number truncation test plan, plans 5:2 and 5:3 can be selected. When using the truncation sequential test plan, plans 4:6 and 47 can be selected for C2 sample extraction regulations
The number of test products for reliability identification test should be no less than 3. The test products for reliability acceptance test shall be randomly selected from the qualified products according to the provisions of GB/T2828.8 Operating frequency range test
Use the calibrated grating analog signal to input the digital display, and take 10 points at equal intervals within the operating frequency range. The test results should comply with the provisions of 5.9.
A2.9 Packaging inspection
It is carried out by visual inspection, and the results should comply with the provisions of 7.1. A2.10 Random document completeness inspection
For the test products that pass the factory inspection, their random documents should comply with the provisions of 5.12.3. A2.11 Reliability test
Please refer to Appendix C (suggested appendix), and the test results should comply with the provisions of 5.10. 662
See Table B1 for inspection items and importance.
Inspection items
General inspection
Functional inspection
Protective grounding circuit continuity
Insulation resistance
Withstand voltage strength
Power supply adaptability
Temperature adaptability
Constant condensation heat adaptability
Vibration (sinusoidal) adaptability
Shock adaptability
Packaging drop adaptability
Electrostatic discharge immunity
Fast transient electrical pulse group immunity
Voltage shock immunity
Voltage sag, short interruption immunity
Continuous operation
Accuracy
Stability
Working rate range
Packaging inspection
Complete set inspection of random documents
Reliability
JB/T 10080.1—2000
Appendix B
(Appendix of the standard)
Inspection items and importance
Inspection items and importance
Importance
Technical requirements
Type inspection
Factory inspection
Test plan
Carry out in accordance with JB/T6214.
JB/T10080.1--2000
Appendix C
(Appendix of the suggestion)
Reliability test
When using the fixed-time constant-number truncation test plan, plans 5:2 and 5:3 can be selected. When using the truncation sequential test plan, plans 4:6 and 47 can be selected for C2 sample extraction regulations
The number of test products for reliability identification test should be no less than 3. The test products for reliability acceptance test shall be randomly selected from the qualified products according to the provisions of GB/T2828.
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