Some standard content:
National Standard of the People's Republic of China
Hand-held metal detectors
Technical conditions
Specification for hand-held metal detectors1 Subject content and scope of application
GB12899—91||tt ||This standard specifies the technical requirements and test methods for handheld metal detectors, and is the basic basis for the design, manufacture and inspection of handheld metal detectors.
This standard applies to handheld metal detectors designed and manufactured using electromagnetic principles. 2 Reference standards
(iB2423.1 Basic environmental test procedures for electrical and electronic products Test A: Low temperature test method GB2423.2
Basic environmental test procedures for electrical and electronic products Test B: High temperature test methods for electrical and electronic products Basic Environmental Testing Procedure Test Ca: Constant Humidity and Heat Test Method GB 2423.3
GB2423.5
GB2423.8
Basic Environmental Testing Procedure for Electrical and Electronic Products Test Ea; Impact Test Method for Electrical and Electronic Products Basic Environmental Testing Procedure Test Ed: Free drop test method GB2423.10
GB6833.3
Basic Environmental Testing Procedure for Electrical and Electronic Products Test Fc: Vibration (sinusoidal) test method Electronic measuring instrument electromagnetic compatibility test Specification for electrostatic discharge sensitivity test Electromagnetic compatibility test for electronic measuring instruments Specification for radiation sensitivity test GB6833.5
GB 10408.1
General technical conditions for intrusion detectors
3 terms||tt| |3.1 Metal detector metaldetector
A detection instrument used to identify whether metal objects are hidden in non-metal objects. 3.2 Hand-held metal detector hand-held metal detector can be operated in the hand to check people and small luggage and bags. There is no metal object in the detector. 3.3 Detection range detectionrange
The maximum distance that can respond to a given metal sample. 3.4 False alarm false alarm
There is no metal object in the detected object. The alarm is caused by the detector itself. 3.5 full alarm missingalarm
There is metal hidden in the detected object, but the handheld metal detector does not send out an alarm signal.
4.1 Appearance and mechanical structure requirements
4.1.1 Appearance requirements
The dimensions of the handheld metal detector should be consistent with the drawings; b. The plastic shell should be free of cracks, missing materials, discoloration, scratches, etc. Defects, the surface of the probe should be smooth; approved by the State Bureau of Technical Supervision on 1991-05-05 and implemented on 1992-01-01
c. Various signs should be clear and firm
4.1.2 Mechanical structure requirements| | tt | The control and adjustment mechanism should be flexible; the probe should be installed firmly and reliably; the hand grip should have sufficient mechanical strength and stiffness. and damage.
4.2 Performance requirements
4.2.1 Functions
The handheld metal detector should be able to respond to metal objects of a certain size within the detection distance. 4.2.2 Detection distance
Under normal atmospheric conditions and applied rated voltage, operate according to the product instructions; the detection distance of a handheld metal detector for a 20mm diameter steel ball should be no less than: A level: 70mm | | tt | Light alarm. 4.2.4 Power supply requirements
4.2.4.1 Handheld metal detectors should be battery-powered, and their operating voltage range should comply with product standards. 4.2.4.2 Handheld metal detectors should have power supply working status indicators. 4.2.4.3 When the operating voltage of the handheld metal detector drops to the lower limit of the specified value, an undervoltage alarm indication shall be given. At this time, the detection distance shall not drop by more than 25% of the rated value.
4.2.4.4 The battery capacity should be able to ensure that the hand-held metal detector can operate continuously for 8 hours at a ratio of 10:1 between alert state and alarm state without any undervoltage alarm.
4.2.5 Working current requirements
Under the rated voltage, the working current of the handheld metal detector should comply with the product standards. 4.3 Environmental adaptability requirements
4.3.1 Handheld metal detectors are divided into two groups: 1 and I according to the severity of their use environment: Group 1: 10~~+55℃
Group I: —25~+55C
It should be able to work normally in this working environment where the temperature and relative humidity are not greater than 95%. 4.3.2 The adaptability requirements of handheld metal detectors to humidity, vibration, impact, etc. shall comply with the provisions of Group 1 or Group I of Article 4.3.1 of GB10408.1. After the test, the detection distance should comply with the product standards. 4.3.3 The handheld metal detector should be able to work normally after falling freely, and the components should not be loose, displaced or damaged, and the casing should not be deformed. 4.4 Stability requirements
4.4.1 The handheld metal detector should be able to work stably and reliably within the specified working hours without any adjustments. The change in detection distance does not exceed 20%, and there are no false alarms or missed alarms. 4.4.2. The stable operation time of the handheld metal detector is divided into three categories: A, B and C. The index of the product should not be lower than Category A. Class A.lh
Class B: 4h
Class C: 8h
4.5 Anti-interference requirements
Electrostatic discharge sensitivity requirements and radiation sensitivity of handheld metal detectors The degree requirements should comply with the requirements specified in GB6833.3 and GB6833.5 respectively.
4.6 Reliability requirements
GB12899-91
The mean time between failures (MTBF) of handheld metal detectors under normal atmospheric conditions is divided into three levels: A, B, and C. The index of the product should not be lower than Grade A.
A level: 1000h
B level: 5000h
C level: 10000h
5 test methods
5.1 test conditions
except climate Except for environmental adaptability, all other tests were conducted under the following normal atmospheric conditions: ambient temperature: 15~35℃;
relative humidity: 45%~75%;
atmospheric pressure: 86106kPa.
5.2 Appearance and structural performance inspection
5.2.1 Appearance inspection
Use calipers and other measuring tools to check the overall dimensions according to the drawings, visually inspect the appearance, and inspect the control mechanism by hand, etc. should comply with The requirements of Articles 4.1.1, 4.1.2.1 and 4.1.2.2.
5.2.2 Mechanical structure inspection
5.2.2.1 Shell compressive strength test
Put the test sample flat, and place a steel piece with a diameter of 135mm in the center of the horizontal plane of the shell A mass hemisphere is applied with the spherical surface facing down for 60 ± 2 s. After the test, an inspection shall be carried out to ensure that it meets the requirements of Article 4.1.2.3. 5.2.2.2 Shell impact strength test
Put the test sample flat, and use a steel ball with a diameter of 50.8mm to drop vertically from a height of 0.5m and impact on the shell surface. After the impact test, inspection shall be carried out and shall comply with the requirements of Article 4.1.2.3. 5.3 Performance test
5.3.1 Functional test
Apply rated voltage to the sample under test, perform normal operation according to the product instructions, and detect metals of different properties respectively, which should comply with Article 4.2.1 Require.
5.3.2 Detection distance test
Apply the rated voltage to the sample under test, and place the most sensitive part of the probe vertically against a smooth steel ball (bearing steel) with a diameter of 20mm from far to near Move continuously until the alarm signal is sent, and note the distance between the probe and the metal ball. This test is repeated three times and the minimum value is taken. The results shall meet the requirements of Section 4.2.2.
5.3.3 Alarm indication inspectionbzxZ.net
The handheld metal detector detects metal objects, and the results should meet the requirements of Article 4.2.3. 5.3.4 Power supply inspection
5.3.4.1 The working voltage and power supply working status indication of the handheld metal detector shall comply with the requirements of Articles 4.2.4.1 and 4.2.4.2. 5.3.4.2. Use an adjustable DC stabilized power supply to power the handheld metal detector and change its operating voltage. When the voltage drops to the lower limit of the specified value, it shall comply with the requirements of Article 4.2.4.3. 5.3.4.3 Install a new battery, turn on the power switch, keep the detector in the alert state for 10 minutes, then cause the detector to alarm for 1 minute, then switch to the alert state, and cycle continuously for 8 hours. After the test is completed, the requirements of Article 4.2.4.4 shall be met. 5.3.5 Working current test
GB12899-91
Use an ammeter with an accuracy of 0.5 and a range of 1.5 times the rated value to monitor the working current of the handheld metal detector. The results should comply with Article 4.2.5 requirements.
5.4 Environmental adaptability test
5.4.1 During the environmental adaptability test, install the battery into the complete machine and evaluate it together with the complete machine. 5.4.2 The climate environment adaptability test items and test methods are shown in Table 1. Table 1
Yan
Test items
Group
High temperature Bh
Constant mixed heat Ca
Low temperature Ab
Cool
Extent
Test method
Group
+55±2℃,2h
+40±2C.93±%RH48h
—10±3℃
2h
—25±3℃
2h
5.4.3 Mechanical environment adaptability test items and test methods are shown in Table 2. Table 2
Test items
Pregnancy Fc
Impact Ea
Free fall Ed
5.5 stability test
Severity level|| tt||Sweep frequency: 10~55Hz (sinusoidal vibration)
Amplitude: 0.35mm
Rate 1 octave/min
Direction: XY, z three output directions each Vibration 30min peak value
Acceleration: 150m/s
Duration: 11ms
Impact pulse: half sine wave
Impact direction: X, Y, Z three axes , three times in each direction (18 times in total)
Height 1000mm, free to fall once in any four directions, falling on a 5cm thick hard board
GB2423.2|| tt||GB2423.3
GB2423.1
Test method
GB2423.10
GB2423.5
GB2423.8
Inspection items and methods
After each test, inspections must be carried out immediately in accordance with the requirements of Article 4.2.2 of
, but the test conditions must be maintained. The detection distance is allowed to vary by ±25%
Inspection items and methods
After each test, appearance and function inspection shall be carried out
After all tests are completed, it shall comply with 4.1.1| |tt||Requirements of Articles 4.2.1, 4.2.2 and 4.2.3
For samples that have been initially tested, use a DC stabilized power supply to apply the rated power supply voltage, and in the alert state, comply with Article 4.4 Test according to the regulations. Carry out at least two functional checks during the test. The test results shall comply with the requirements of Article 4.4. 5.6 Anti-interference test
The test samples are tested in the alert state and alarm state respectively according to the test methods specified in GB6833.3 and GB6833.5. There will be no false alarms or missed alarms.
5.7 Reliability test
The test sample shall be tested according to the test method specified in Article 5.10 of GB10408.1 and shall meet the requirements of Article 4.6. 6 Inspection rules
GB12899--91
The inspection rules for handheld metal detectors should comply with the provisions of Chapter 6 of GB10408.1, and the inspection items, test sequence, technical requirements, test methods and Unqualified classification shall be as specified in Table 3. Table 3
unqualified
serial number
1
2
3
4
5
6
8
9
1
12
13
14
15
16| |tt||Inspection items
Appearance inspection
Mechanical structure inspection
Functional test
Detection distance test
Alarm indication inspection
Power supply Inspection
Operating current test
High temperature test
Constant damp and heat test
Low temperature test
Vibration test
Impact test
Free drop test
Stability test
Anti-interference test
Reliability test
Technical requirements
4. 1. 1
4.1 .2
4.2. 1
4.2.2
4.2.3
4.2. 4
4.2.5
4.3.1
4.3.2
4.3.1
4. 3. 2
4. 3. 2
4.3.3
4 . 4
4.5
4.6
Note: "()\indicates items that must be inspected; "·\indicates that only the tests specified in 5.3.4.2 are done. 7 Marking, packaging, transportation and storage
Test methods
5.2.1
5.2.2
5.3.1
5.3.2||tt ||5.3.3
5.3. 4
5.3.5
5.4.2
5.4.2
5.4.2
5.4.3
5.4.3
5.4.3
5.5
5.6
5.7
Classification
C| |tt||B
B
B
B
c
C
B
B||tt ||B
B
B
B
B
Authentication and inspection
O
0||tt| |0
0
0
Q
O
Q
Q
0
0
O
0
O
Q
O
Group A
O
Q| |tt||C
0
·
Quality consistency inspection
Group B
0
0
0
O
O
0
The marking, packaging, transportation and storage of handheld metal detectors shall comply with the provisions of Chapter 7 of GB10408.1. Additional notes:
This standard is proposed by the Ministry of Public Security of the People's Republic of China. This standard is under the jurisdiction of the National Security Alarm System Standardization Technical Committee. This standard is drafted by the Third Research Institute of the Ministry of Public Security. Li Xiangfa, the main drafter of this standard.
c group
o
Q
Q
Q
o
O
0| |tt||Q
0
o
Group D
@
Q
0
0|| tt||o
0
0
0
O
O
O
0||tt| |1. During the environmental adaptability test, the battery is installed into the complete machine and assessed together with the complete machine. 5.4.2 The climate environment adaptability test items and test methods are shown in Table 1. Table 1
Yan
Test items
Group
High temperature Bh
Constant mixed heat Ca
Low temperature Ab
Cool
Extent
Test method
Group
+55±2℃,2h
+40±2C.93±%RH48h
—10±3℃
2h
—25±3℃
2h
5.4.3 Mechanical environment adaptability test items and test methods are shown in Table 2. Table 2
Test items
Pregnancy Fc
Impact Ea
Free fall Ed
5.5 stability test
Severity level|| tt||Sweep frequency: 10~55Hz (sinusoidal vibration)
Amplitude: 0.35mm
Rate 1 octave/min
Direction: XY, z three output directions each Vibration 30min peak value
Acceleration: 150m/s
Duration: 11ms
Impact pulse: half sine wave
Impact direction: X, Y, Z three axes , three times in each direction (18 times in total)
Height 1000mm, free to fall once in any four directions, falling on a 5cm thick hard board
GB2423.2|| tt||GB2423.3
GB2423.1
Test method
GB2423.10
GB2423.5
GB2423.8
Inspection items and methods
After each test, inspections must be carried out immediately in accordance with the requirements of Article 4.2.2 of
, but the test conditions must be maintained. The detection distance is allowed to vary by ±25%
Inspection items and methods
After each test, appearance and function inspection shall be carried out
After all tests are completed, it shall comply with 4.1.1| |tt||Requirements of Articles 4.2.1, 4.2.2 and 4.2.3
For samples that have been initially tested, use a DC stabilized power supply to apply the rated power supply voltage, and in the alert state, comply with Article 4.4 Test according to the regulations. Carry out at least two functional checks during the test. The test results shall comply with the requirements of Article 4.4. 5.6 Anti-interference test
The test samples are tested in the alert state and alarm state respectively according to the test methods specified in GB6833.3 and GB6833.5. There will be no false alarms or missed alarms.
5.7 Reliability test
The test sample shall be tested according to the test method specified in Article 5.10 of GB10408.1 and shall meet the requirements of Article 4.6. 6 Inspection rules
GB12899--91
The inspection rules for handheld metal detectors should comply with the provisions of Chapter 6 of GB10408.1, and the inspection items, test sequence, technical requirements, test methods and Unqualified classification shall be as specified in Table 3. Table 3
unqualified
serial number
1
2
3
4
5
6
8
9
1
12
13
14
15
16| |tt||Inspection items
Appearance inspection
Mechanical structure inspection
Functional test
Detection distance test
Alarm indication inspection
Power supply Inspection
Operating current test
High temperature test
Constant damp and heat test
Low temperature test
Vibration test
Impact test
Free drop test
Stability test
Anti-interference test
Reliability test
Technical requirements
4. 1. 1
4.1 .2
4.2. 1
4.2.2
4.2.3
4.2. 4
4.2.5
4.3.1
4.3.2
4.3.1
4. 3. 2
4. 3. 2
4.3.3
4 . 4
4.5
4.6
Note: "()\indicates items that must be inspected; "·\indicates that only the tests specified in 5.3.4.2 are done. 7 Marking, packaging, transportation and storage
Test methods
5.2.1
5.2.2
5.3.1
5.3.2||tt ||5.3.3
5.3. 4
5.3.5
5.4.2
5.4.2
5.4.2
5.4.3
5.4.3
5.4.3
5.5
5.6
5.7
Classification
C| |tt||B
B
B
B
c
C
B
B||tt ||B
B
B
B
B
Authentication and inspection
O
0||tt| |0
0
0
Q
O
Q
Q
0
0
O
0
O
Q
O
Group A
O
Q| |tt||C
0
·
Quality consistency inspection
Group B
0
0
0
O
O
0
The marking, packaging, transportation and storage of handheld metal detectors shall comply with the provisions of Chapter 7 of GB10408.1. Additional notes:
This standard is proposed by the Ministry of Public Security of the People's Republic of China. This standard is under the jurisdiction of the National Security Alarm System Standardization Technical Committee. This standard is drafted by the Third Research Institute of the Ministry of Public Security. The main drafter of this standard is Li Xiangfa.
c group
o
Q
Q
Q
o
O
0| |tt||Q
0
o
Group D
@
Q
0
0|| tt||o
0
0
0
O
O
O
0||tt| |1. During the environmental adaptability test, the battery is installed into the complete machine and assessed together with the complete machine. 5.4.2 The climate environment adaptability test items and test methods are shown in Table 1. Table 1
Yan
Test items
Group
High temperature Bh
Constant mixed heat Ca
Low temperature Ab
Cool
Extent
Test method
Group
+55±2℃,2h
+40±2C.93±%RH48h
—10±3℃
2h
—25±3℃
2h
5.4.3 Mechanical environment adaptability test items and test methods are shown in Table 2. Table 2
Test items
Pregnancy Fc
Impact Ea
Free fall Ed
5.5 stability test
Severity level|| tt||Sweep frequency: 10~55Hz (sinusoidal vibration)
Amplitude: 0.35mm
Rate 1 octave/min
Direction: XY, z three output directions each Vibration 30min peak value
Acceleration: 150m/s
Duration: 11ms
Impact pulse: half sine wave
Impact direction: X, Y, Z three axes , three times in each direction (18 times in total)
Height 1000mm, free to fall once in any four directions, falling on a 5cm thick hard board
GB2423.2|| tt||GB2423.3
GB2423.1
Test method
GB2423.10
GB2423.5
GB2423.8
Inspection items and methods
After each test, inspections must be carried out immediately in accordance with the requirements of Article 4.2.2 of
, but the test conditions must be maintained. The detection distance is allowed to vary by ±25%
Inspection items and methods
After each test, appearance and function inspection shall be carried out
After all tests are completed, it shall comply with 4.1.1| |tt||Requirements of Articles 4.2.1, 4.2.2 and 4.2.3
For samples that have been initially tested, use a DC stabilized power supply to apply the rated power supply voltage, and in the alert state, comply with Article 4.4 Test according to the regulations. Carry out at least two functional checks during the test. The test results shall comply with the requirements of Article 4.4. 5.6 Anti-interference test
The test samples are tested in the alert state and alarm state according to the test methods specified in GB6833.3 and GB6833.5, and there are no false alarms or missed alarms.
5.7 Reliability test
The test sample shall be tested according to the test method specified in Article 5.10 of GB10408.1 and shall meet the requirements of Article 4.6. 6 Inspection rules
GB12899--91
The inspection rules for handheld metal detectors should comply with the provisions of Chapter 6 of GB10408.1, and the inspection items, test sequence, technical requirements, test methods and Unqualified classification shall be as specified in Table 3. Table 3
unqualified
serial number
1
2
3
4
5
6
8
9
1
12
13
14
15
16| |tt||Inspection items
Appearance inspection
Mechanical structure inspection
Functional test
Detection distance test
Alarm indication inspection
Power supply Inspection
Operating current test
High temperature test
Constant damp and heat test
Low temperature test
Vibration test
Impact test
Free drop test
Stability test
Anti-interference test
Reliability test
Technical requirements
4. 1. 1
4.1 .2
4.2. 1
4.2.2
4.2.3
4.2. 4
4.2.5
4.3.1
4.3.2
4.3.1
4. 3. 2
4. 3. 2
4.3.3
4 . 4
4.5
4.6
Note: "()\indicates items that must be inspected; "·\indicates that only the tests specified in 5.3.4.2 are done. 7 Marking, packaging, transportation and storage
Test methods
5.2.1
5.2.2
5.3.1
5.3.2||tt ||5.3.3
5.3. 4
5.3.5
5.4.2
5.4.2
5.4.2
5.4.3
5.4.3
5.4.3
5.5
5.6
5.7
Classification
C| |tt||B
B
B
B
c
C
B
B||tt ||B
B
B
B
B
Authentication and inspection
O
0||tt| |0
0
0
Q
O
Q
Q
0
0
O
0
O
Q
O
Group A
O
Q| |tt||C
0
·
Quality consistency inspection
Group B
0
0
0
O
O
0
The marking, packaging, transportation and storage of handheld metal detectors shall comply with the provisions of Chapter 7 of GB10408.1. Additional notes:
This standard is proposed by the Ministry of Public Security of the People's Republic of China. This standard is under the jurisdiction of the National Security Alarm System Standardization Technical Committee. This standard is drafted by the Third Research Institute of the Ministry of Public Security. Li Xiangfa, the main drafter of this standard.
group c
o
Q
Q
Q
o
O
0| |tt||Q
0
o
Group D
@
Q
0
0|| tt||o
0
0
0
O
O
O
0||tt| |2
GB2423.3
GB2423.1
Test method
GB2423.10
GB2423.5
GB2423.8|| tt||Inspection items and methods
After each test, the inspection shall be carried out immediately according to the requirements of Article 4.2.2 of
, but the test conditions must be maintained. The detection distance is allowed to vary by ±25%
Inspection items and methods
After each test, appearance and function inspection shall be carried out
After all tests are completed, it shall comply with 4.1.1| |tt||Article 4.2.1, 4.2.2 and 4.2.3 requirements
For samples that have been initially tested, use a DC stabilized power supply to apply the rated power supply voltage, and in the alert state, press Article 4.4 Test according to the regulations. Carry out at least two functional checks during the test. The test results shall comply with the requirements of Article 4.4. 5.6 Anti-interference test
The test samples are tested in the alert state and alarm state according to the test methods specified in GB6833.3 and GB6833.5, and there are no false alarms or missed alarms.
5.7 Reliability test
The test sample shall be tested according to the test method specified in Article 5.10 of GB10408.1 and shall meet the requirements of Article 4.6. 6 Inspection rules
GB12899--91
The inspection rules for handheld metal detectors should comply with the provisions of Chapter 6 of GB10408.1, and the inspection items, test sequence, technical requirements, test methods and Unqualified classification shall be as specified in Table 3. Table 3
unqualified
serial number
1
2
3
4
5
6
8
9
1
12
13
14
15
16| |tt||Inspection items
Appearance inspection
Mechanical structure inspection
Functional test
Detection distance test
Alarm indication inspection
Power supply Inspection
Operating current test
High temperature test
Constant damp and heat test
Low temperature test
Vibration test
Impact test
Free drop test
Stability test
Anti-interference test
Reliability test
Technical requirements
4. 1. 1
4.1 .2
4.2. 1
4.2.2
4.2.3
4.2. 4
4.2.5
4.3.1
4.3.2
4.3.1
4. 3. 2
4. 3. 2
4.3.3
4 . 4
4.5
4.6
Note: "()\indicates items that must be inspected; "·\indicates that only the tests specified in 5.3.4.2 are done. 7 Marking, packaging, transportation and storage
Test methods
5.2.1
5.2.2
5.3.1
5.3.2||tt ||5.3.3
5.3. 4
5.3.5
5.4.2
5.4.2
5.4.2
5.4.3
5.4.3
5.4.3
5.5
5.6
5.7
Classification
C| |tt||B
B
B
B
c
C
B
B||tt ||B
B
B
B
B
Authentication and inspection
O
0||tt| |0
0
0
Q
O
Q
Q
0
0
O
0
O
Q
O
Group A
O
Q| |tt||C
0
·
Quality consistency inspection
Group B
0
0
0
O
O
0
The marking, packaging, transportation and storage of handheld metal detectors shall comply with the provisions of Chapter 7 of GB10408.1. Additional notes:
This standard is proposed by the Ministry of Public Security of the People's Republic of China. This standard is under the jurisdiction of the National Security Alarm System Standardization Technical Committee. This standard is drafted by the Third Research Institute of the Ministry of Public Security. Li Xiangfa, the main drafter of this standard.
group c
o
Q
Q
Q
o
O
0| |tt||Q
0
o
Group D
@
Q
0
0|| tt||o
0
0
0
O
O
O
0||tt| |2
GB2423.3
GB2423.1
Test method
GB2423.10
GB2423.5
GB2423.8|| tt||Inspection items and methods
After each test, the inspection shall be carried out immediately according to the requirements of Article 4.2.2 of
, but the test conditions must be maintained. The detection distance is allowed to vary by ±25%
Inspection items and methods
After each test, appearance and function inspection shall be carried out
After all tests are completed, it shall comply with 4.1.1| |tt||Requirements of Articles 4.2.1, 4.2.2 and 4.2.3
For samples that have been initially tested, use a DC stabilized power supply to apply the rated power supply voltage, and in the alert state, comply with Article 4.4 Test according to the regulations. Carry out at least two functional checks during the test. The test results shall comply with the requirements of Article 4.4. 5.6 Anti-interference test
The test samples are tested in the alert state and alarm state respectively according to the test methods specified in GB6833.3 and GB6833.5. There will be no false alarms or missed alarms.
5.7 Reliability test
The test sample shall be tested according to the test method specified in Article 5.10 of GB10408.1 and shall meet the requirements of Article 4.6. 6 Inspection rules
GB12899--91
The inspection rules for handheld metal detectors should comply with the provisions of Chapter 6 of GB10408.1, and the inspection items, test sequence, technical requirements, test methods and Unqualified classification shall be as specified in Table 3. Table 3
unqualified
serial number
1
2
3
4
5
6
8
9
1
12
13
14
15
16| |tt||Inspection items
Appearance inspection
Mechanical structure inspection
Functional test
Detection distance test
Alarm indication inspection
Power supply Inspection
Operating current test
High temperature test
Constant damp and heat test
Low temperature test
Vibration test
Impact test
Free drop test
Stability test
Anti-interference test
Reliability test
Technical requirements
4. 1. 1
4.1 .2
4.2. 1
4.2.2
4.2.3
4.2. 4
4.2.5
4.3.1
4.3.2
4.3.1
4. 3. 2
4. 3. 2
4.3.3
4 . 4
4.5
4.6
Note: "()\indicates items that must be inspected; "·\indicates that only the tests specified in 5.3.4.2 are done. 7 Marking, packaging, transportation and storage
Test methods
5.2.1
5.2.2
5.3.1
5.3.2||tt ||5.3.3
5.3. 4
5.3.5
5.4.2
5.4.2
5.4.2
5.4.3
5.4.3
5.4.3
5.5
5.6
5.7
Classification
C| |tt||B
B
B
B
c
C
B
B||tt ||B
B
B
B
B
Authentication and inspection
O
0||tt| |0
0
0
Q
O
Q
Q
0
0
O
0
O
Q
O
Group A
O
Q| |tt||C
0
·
Quality consistency inspection
Group B
0
0
0
O
O
0
The marking, packaging, transportation and storage of handheld metal detectors shall comply with the provisions of Chapter 7 of GB10408.1. Additional notes:
This standard is proposed by the Ministry of Public Security of the People's Republic of China. This standard is under the jurisdiction of the National Security Alarm System Standardization Technical Committee. This standard is drafted by the Third Research Institute of the Ministry of Public Security. The main drafter of this standard is Li Xiangfa.
c group
o
Q
Q
Q
o
O
0| |tt||Q
0
o
Group D
@
Q
0
0|| tt||o
0
0
0
O
O
O
0||tt| |6
Note: "()\ indicates the items that must be inspected; "·\ indicates that only the tests specified in 5.3.4.2 shall be done. 7 Marking, packaging, transportation and storage
Test methods
5.2.1
5.2.2
5.3.1
5.3.2||tt ||5.3.3
5.3. 4
5.3.5
5.4.2
5.4.2
5.4.2
5.4.3
5.4.3
5.4.3
5.5
5.6
5.7
Classification
C| |tt||B
B
B
B
c
C
B
B||tt ||B
B
B
B
B
Authentication and inspection
O
0||tt| |0
0
0
Q
O
Q
Q
0
0
O
0
O
Q
O
Group A
O
Q| |tt||C
0
·
Quality consistency inspection
Group B
0
0
0
O
O
0
The marking, packaging, transportation and storage of handheld metal detectors shall comply with the provisions of Chapter 7 of GB10408.1. Additional notes:
This standard is proposed by the Ministry of Public Security of the People's Republic of China. This standard is under the jurisdiction of the National Security Alarm System Standardization Technical Committee. This standard is drafted by the Third Research Institute of the Ministry of Public Security. The main drafter of this standard is Li Xiangfa.
c group
o
Q
Q
Q
o
O
0| |tt||Q
0
o
Group D
@
Q
0
0|| tt||o
0
0
0
O
O
O
0||tt| |6
Note: "()\ indicates the items that must be inspected; "·\ indicates that only the tests specified in 5.3.4.2 shall be done. 7 Marking, packaging, transportation and storage
Test methods
5.2.1
5.2.2
5.3.1
5.3.2||tt ||5.3.3
5.3. 4
5.3.5
5.4.2
5.4.2
5.4.2
5.4.3
5.4.3
5.4.3
5.5
5.6
5.7
Classification
C| |tt||B
B
B
B
c
C
B
B||tt ||B
B
B
B
B
Authentication and inspection
O
0||tt| |0
0
0
Q
O
Q
Q
0
0
O
0
O
Q
O
Group A
O
Q| |tt||C
0
·
Quality consistency inspection
Group B
0
0
0
O
O
0
The marking, packaging, transportation and storage of handheld metal detectors shall comply with the provisions of Chapter 7 of GB10408.1. Additional notes:
This standard is proposed by the Ministry of Public Security of the People's Republic of China. This standard is under the jurisdiction of the National Security Alarm System Standardization Technical Committee. This standard is drafted by the Third Research Institute of the Ministry of Public Security. The main drafter of this standard is Li Xiangfa.
c group
o
Q
Q
Q
o
O
0| |tt||Q
0
o
Group D
@
Q
0
0|| tt||o
0
0
0
O
O
O
0||tt| |
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