GB 15322.4-2003 Combustible gas detectors Part 4: Point type combustible gas detectors for measuring artificial gas
Some standard content:
Normative references Technical data Semi-component performance test Trial test Test reduction Important component inspection test De-energized storage test Alarm value test Position test Alarm recovery test High-speed airflow test Self-operation test Full-scale indication test High-speed test Insulation resistance test Test
Limited test
Radio frequency test
Electrostatic discharge test
Electrolytic pulse overload test
Compressed temperature test
Low temperature test
Constant mixed potential test
Vibration test
Fall test
Long-term total qualitative test
Gas 1 disturbance test
Product cup forget
Quality single loose test mark
Inspection execution rules.
, 1 product factory inspection
B 15322.4—2003
GB15322.4—2003
! Instructions for use
Appendix A (Normative Appendix) Point type combustible gas detector test equipment A.? Point type combustible gas detection end avoidance test box A.2 Point step called general gas operation lake device low control test box 15
This part of the European requirements are not required, the test is, standard state, inspection plan period, fast film instructions for crying control, B gas:
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. The first mail tooth: the plan record medicine is -10rE more situation can be detected by the point gas detector
The first part: 1 good one vertical gas detector European people use
GH 15J22. 4—2502
This increase in points: 115322's 4th mid-term production group report monthly national standard R1402334 can be banned
The standard support single demand for the solid year standard and the country's current technology core test N55N5C055.EN56E535750059 (1295 with your registration department's internal technology to upgrade and disassemble the good certificate 1. f.:
This section of the environmental protection
personnel by the People's Republic of China public branch mountain production part by the Jinhui Qing production standardization society on the sixth section of the Chinese public change department of the economic blade automobile standard flow, Xuan part of the draft single work Beijing Li An Lan equipment general company can also Beijing An Bo technology limited company single business letter on the document book has a company. Shenzhen Ben Te Qian has a letter of capital company, divided from single person: "Year Sanxing Ping
part of the implementation of the world's sun standard history of the drink technical development special record: ts1522-1:94.
1 Fan Tian
combustible gas detector
Part 4, measuring artificial gas
point type combustible gas detector
B 16322. 4—2003
Special prohibition of measuring the type of gas measuring instrument for the environment, the requirements of fast technical safety, the risk of change, standard test rules and the use of the rate of 3,
This part uses a special mine Asia and the safety of the delivery partner to measure the type of gas measuring instrument for the environment (hereinafter referred to as the depth of the instrument), which also has the advantages of environmental safety, except for the special requirements of the document, the implementation of this 2 normative reference points
The following recording adjustment of the introduction of the thick number, note the reference for a long time, the subsequent changes (not to indicate the need for new pregnancy) or the supervision of the short are not the son Ding public, but the teaching mountain product this help and the effective parties to the discussion is to use these documents limited to this: any not noted H for the introduction of the month female design its most suitable for the external currency. 1199 consumption The following research is adopted by this department for the protection of electronic products and the need for environmental protection or monitoring.
Resistance positioning
abarmsettinevabue
Internal combustion gas resistance pipe breaking position,
Push the general action position
ahrnvulue
Recognize the road push alarm mountain site of the station can be dense and fast courtyard
4 classification
4. Wave limited safety requirements,
n boost explosion:
L》anti-pass.
4.2 To make the environment recordable
a) air has a quick heat,
h room use month double
4.3 The version of the few types:
, oxygen type:
b long carbon system pregnancy type,
C 15322.4—2003
5 Technical requirements
5.1 Performance
5.1.1 When the concentration of combustible gas in the detection area of the detector reaches the alarm set value, the detector should be able to send out an alarm signal. 5.1.2 Alarm setting value
When the test case has two alarms, the alarm setting value shall be consistent with the provisions of the low-limit alarm setting value in Table 1; if the instrument has a detector with an alarm setting value, its alarm setting value shall comply with the requirements of the low-limit alarm setting value in Table 1.
Test gas permit
Austrian chemical embedding
5.1.3 Alarm action value
Alarm setting value total: Any value: 125×13-+~+MX (0-
5n×10:~300×IG-
High alarm setting value method)
1 250× 10
500×10*
5.1.3.1 In all tests specified in the vehicle, the alarm action value of the detection end shall not be lower than the lower limit of the alarm setting value in Table 1.
5.1.3.2 When the test gas is ferrous gas, the difference between the alarm action value of the detector and the alarm setting value shall not exceed ±125×10-. When the test gas is magnetic oxide: the difference between the alarm action value of the detector and the alarm setting value shall not exceed 10 50×10-! 5.1.4 Compensation error
For detectors with combustible gas concentration display function, when the test gas is hydrogen, the difference between the displayed value and the true value should not exceed ±10-10°C. When the test gas is carbon dioxide, the difference between the displayed value and the true value should not exceed ±10°C. 5.1.5 Response time
For detectors with combustible gas micro-display, the response time (%) of the time when the false indication value reaches the true value should not exceed 3%. For detectors without combustible gas concentration display function, the response time should not exceed 35°C. 5.1.6 Storage
The detector should first be placed in an environment with a temperature of 25°C ± 2°C for 24 hours. Then it should be restored under normal environmental conditions for at least 24 hours. It is tested at a temperature of 5.2°C for 24 hours and then recovers to at least 24°C under normal environmental conditions. After the test, the detector shall function normally without any failure or quality phenomena. When the test gas is oxygen, the difference between the alarm action value of the detector and the alarm setting value shall not exceed 125×10-19. When the test gas is carbon monoxide, the difference between the alarm action value of the detector and the alarm setting value shall not exceed 150×10-19. 5.1. When the test gas is oxygen, the difference between the alarm action value of the detector and the alarm setting value shall not exceed 120×10-19. When the test gas is carbon monoxide, the difference between the alarm action value of the detector and the alarm setting value shall not exceed 150×10-19. 5.2. When the test gas is oxygen, the difference between the alarm action value of the detector and the alarm setting value shall not exceed 120×10-19. When the test gas is carbon monoxide, the difference between the alarm action value of the detector and the alarm setting value shall not exceed 150×10-19. 5.1.8, high concentration performance (not used for protection type detector) during the run, the detector should send out an alarm signal or a fault signal or a clear indication signal of the gas concentration exceeding the normal value. After the test, the detector should meet the requirements of a) or b); a) The detector cannot be in the normal monitoring state b) If the detector is in the normal monitoring state (can be recorded), when the test gas is a gas, the difference between the alarm action value of the detector and the alarm setting value should not exceed 20%, when the test gas is a chemical, the difference between the alarm action value of the detector and the alarm setting value should not exceed 10%. 5.1.9 Alarm again t||GB15322,4—2003
Under normal environmental conditions, for the same detector, when the test gas is atmospheric, the difference between the simulated action value of the detector and the set value should not exceed ±125×10-\; when the test gas is carbon dioxide, the difference between the detection alarm action value and the alarm setting value should not exceed 150×10-
5.1.10 High-speed gas washing
The gas flow rate in the test box is 6/6, when the test gas is hydrogen, the difference between the vibration tube action value of the detector and the alarm setting value should not exceed ±5×10-; when the test gas is carbon dioxide, the difference between the alarm action value of the detector and the alarm setting value should not exceed ±8×105.1.11 Voltage fluctuation
The power supply voltage of the detector is rated power supply voltage ±15°. When the test gas is hydrogen, the difference between the alarm action value of the detector and the alarm setting value shall not exceed 10 × 125 × 10; when the test gas is oxidizing and burning, the difference between the alarm action value of the detector and the alarm setting value shall not exceed 51
5. 1. 12 Long-term stability The detector should be able to operate continuously for 28 hours under normal environmental conditions without sending out alarm signals or fault signals. After the test, when the test gas is carbon monoxide, the difference between the detector's alarm action value and the alarm setting value should not exceed 200℃. When the test gas is carbon monoxide, the difference between the detector's alarm action value and the alarm setting value should not exceed 0.010-5.1.13 The single-insulation voltage drop between the power supply terminals of the external live terminals required by the embedded pressure tester and the shell should not be less than M under normal environmental conditions, and should not be less than 1M in a hot environment. The above-mentioned steps should also be tested for an AC voltage with an effective value of 1500V (rated voltage exceeds 50V when the rated voltage is 0V) for 1min. The test During the test, the detector should not discharge or break down, and the detector should work normally after the test. 5.1.14 The detector should be able to withstand the various tests under the electrical interference conditions specified in Table 2. During the test and after the test, the following requirements shall be met: During the test, the detector should not send out a temporary alarm signal or an irreversible fault signal: 6) After the test, when the test gas is hydrogen, the difference between the alarm action value and the alarm setting position of the detector should not exceed 200×10-1; when the test gas is carbon monoxide, the difference between the alarm action value and the alarm setting value of the detector should not exceed 200×10-1. Appendix C-Table 2
Test conditions
Pre-circuit electrical test
Electrical transient pulse test
Test conditions
Intensity/V/m
Frequency range/MHz
Effective voltage range
Test object
1 -1 x3
21.A power line:
1(fast walking method)
stop, negative
1 each time mn
Working decision
Working status of monitoring
Normal monitoring status
Normal status
5.1.15 The controller can withstand the various tests under the gas environment conditions specified in Table 3. During the test and at the test point, the following requirements shall be met:
During the test, the detector shall not send out an alarm signal or send out a fault signal. After the test, the detector shall not have any damage or corrosion. When the test gas level is atmospheric, the difference between the alarm action value of the detector and the set value shall not exceed 400>10-: When the test gas level is monoxide, the difference between the alarm action value of the controller and the alarm setting value shall not exceed 1163×10.
GA15322.4—2003
Test requirements Name
High-speed test
False danger
But sufficient test format
Test rubber change
Number of degrees/generation:
Duration time 7h
Quality generation
Special duration time/
Relative plasticity/%
Special use
Indoor use type
Outdoor use
Working state
Normal monitoring state
Positive monitoring state
Positive monitoring state
The detector should be able to perform the tests specified in Table 4 and meet the following requirements during and after the test 5.1.16
During the test, the detector should not send out a quasi-alarm or fault signal. After the test, the detector should not have mechanical acceleration and loose fastening parts. When the test gas is argon, the difference between the alarm action value of the detector and the alarm setting value shall not exceed 1200×1C-. When the test gas is chlorine, the difference between the alarm action value of the detector and the alarm temporary setting value shall not exceed 10%. Table 4 Test name Test order Test data 5.1.17 Gas pressure test Test method Acceleration 6 Sweeping bottle speed/(sxt/min) Number of continuous beats per person Fast drop height/mma Drop effect Adjustment conditions 250 (fat content less than 1 kg)
03 mass in 1-.10 direction)
5m weight 10g)
"Working state
Main normal monitoring state
No power state
When the detector is used for home alarm, work in 0.1% ethanol ring for 0min. Then put the detector under normal environmental conditions for 1min
During the test, the auxiliary device should not send out alarm or fault signal: after the test, when the test gas is and gas, the detector The difference between the alarm action value and the alarm setting value of the detector shall not exceed 20x10-b. When the test gas is oxidizing gas, the difference between the alarm action value and the alarm setting value of the detector shall not exceed 5.2 Main components performance 5.2.1 The components shall be subjected to three-proof (medical protection, dew and salt insulation) treatment 5.2.2 The outer skin of the detector shall be made of non-combustible or flame-retardant materials (oxygen index ≥ 32). 6 Test method 6.1 Test conditions ||6.1.1 Test sequence table 5
Test supervision items
Environmental inspection
Quick inspection of soil properties
No-power test
Supervisory action test
Partial inspection test
Repeated test
Necessary gas distribution test
Voltage selection test
Blue range indicator test
Bottom time test
High current test
Explosion test, electric variable pulse dynamic test, dangerous temperature test, low temperature test, constant ... 1.3
Temperature: 15℃~35
Humidity: 30℃~T%RH, a constant value between RH~T%RH=10 times RH: atmospheric pressure.aGkPa.1oekPa
6.1.4When there is no explanation in the relevant text, the tolerance of each test data is 5%. 6.1.5The detector should be inspected for appearance before testing. The test can be carried out when it meets the requirements of the following: The symbols and signs are clear and complete. 1
b Installation There shall be no corrosion, layer shedding and blistering, no obvious scratches, cracks, burrs and other mechanical damages, especially in the parts. 6.1.6 Test gas preparation The purity of the gas used to prepare the test gas shall not be less than 99.5%. The air used to prepare the test gas shall be fresh gas without dust and oil. The gas quality shall meet the normal working conditions. The gas preparation shall not be much different from the set value. 6.1.7 Detector calibration Before the test, the detector shall be calibrated according to the product specification according to the set value and re-checked. After that, calibration is not allowed. It is allowed to calibrate the detector with the calibration cover. 61.8 Preheat the detector before use for 1 hour (or according to the specified time in the product manual). After that, it can be read in accordance with the instructions. After the acceptance test begins, no adjustment is required (except when there are special requirements for individual tests!). 6.2 Inspection of main components 6.2.1 Purpose Check the performance of the main components of the detector 6.2.2 Requirements The main performance of the detector should meet the requirements of Article 52. 6.2.3 Method 6.2.3.1 Check and record the three conditions 6.2.3.2 Check the external light of the detector and measure the oxygen index of the external filling material: 0.3 No power on storage test 6.3.1 And the inspection and testing of this area should meet the requirements of 6.3.2. The detection should meet the requirements of 6.3.3. Method 6.3.3.1 All detectors should be calibrated and zeroed. The detectors with normal working temperature should be placed in a low temperature test box and the temperature should be reduced to -25℃ at a rate of no more than 1./rri and maintained at >4℃. 6.3.3.2 Take the detector out of the low humidity test chamber and place it in the room under normal environmental conditions for at least 24 hours. 6.3.3.3 Place the detector in the high humidity test chamber and read the test result at a rate of not less than 1/mm for 24 hours at a temperature above 55°C. 6.3.3.4 Take the detector out of the high temperature test chamber and place it in the room under normal environmental conditions for at least 24 hours. 6.3.3.5 After the test, measure the detector's activation value in the normal operating environment. E.3.4 Test equipment
Meet the requirements of Section 4 of 1907.
6.4 Alarm action value test
6.4.1 Purpose
To check the accuracy of the detector's alarm setting value. 6.4.2 Requirements
The alarm action value of the detector shall be as specified in Article 5, 1.3. 6.4.3 Method
6.4.3.1 Install the detector in the test chamber according to the normal working requirements, and connect the reverse power. The detector terminal is in the working state for 23mn.
E.4.3.2 Start the fan. Set the air flow in the test chamber at 1).9m/4, 1).21m1/, and then add the test gas concentration at a rate not exceeding 123% of the normal rate until the detector emits an initial alarm value. Measure the normal operation of the detector. 6.4, 4 Test Equipment
The test equipment shall comply with the provisions of this part A, 6.5 Position Test
6.5.1 Test the influence of the detector position on the alarm action value. 6.5.2 Requirements
The detector performance should meet the requirements of 5.1. 6.5.3 Method
GB15322.4—2003
6.5.3.: Install the detector in the test chamber according to the working state requirements, connect the power supply, and start the air flow machine to stabilize the air flow rate at 0.8m/+0.2m/s. Then increase the test air flow rate at a rate that is not greater than 100×10-/min. 6.5.3.2
The detector should send out an alarm signal. The alarm action value of the detector at the position of 0\ on the auxiliary line is 0.01. Each case is rotated 45 degrees to conduct a test, and the alarm action value of each direction on the axis is measured. 6.5.3.3 Measure the alarm action value of each position on the Y and X lines respectively. If there is no shadow on the external structure and internal components of the detector on the Y and X axes, the Y and X lines are not tested. 6.5.4 Test equipment The test equipment shall comply with the provisions of Section 4 of this Part: 6.G Alarm severity test The detector alarm action value shall be replaced and the repeatability shall meet the requirements of Section 5.9. 6.6.3 Method According to Section 4.3, the alarm action value of the detector shall be measured each time. 6.6.4 Test equipment
The general test equipment shall be in accordance with Appendix A of this Part: 6.7 High-speed airflow test
6.1.1 Purpose
To test the adaptability of the detector to high-speed airflow. 6.7.2 Requirements
The high-speed airflow performance of the detector shall meet the requirements of 5.1.10. 6.7. Room method
6.7.3.1 Install the discriminator in the test box in normal working state, turn on the power, and keep the detector in the monitoring state for 25 minutes. The room ventilation plan is used to make the airflow velocity in the test box slightly fixed at 6m/3 ± 5n/9, and then increase the test gas concentration at a rate of 10-10mn until the detector sends a replacement signal and reaches the maximum detector alarm action value. 6.7.4 Test equipment
The test equipment shall be in accordance with the requirements of Appendix A of this part 5.8 Voltage trip test
5.8.1 Purpose
To check the detector's ability to withstand grid voltage fluctuations. 6.8.2 Requirements
The performance of the detector shall meet the requirements of 5.1.1. 6.3 Method
Adjust the common voltage of the detector to % of the rated working voltage: 0.1% and measure the alarm and action value of the detector according to the method in 4.3. Then remove the combustible gas level in the test chamber, quickly restore the detector to the normal visual state, lower the detection end supply voltage to 11.55% and stabilize it at 2C, and then simulate the alarm and action value of the detector according to the method in 6.4.3. GB15322.42003
6.8.4 Test equipment
The test equipment shall comply with the requirements of Appendix 4 of this part. 5.9 Full range indication deviation test
6.9.1
Test the full range indication deviation of the detector.
6.9.2 Requirements
The full range indication deviation of the detector shall meet the requirements of 5.1.4. 6.8.3 Method
6.9.3.1 Connect the detector to the power supply and put it in the normal monitoring state for 20min. 6.9.3.2 Adjust the flow rate of the combustible gas and clean air entering the gas detector respectively. Prepare the test gas with a volume of 500mL/m1in and a dose of 10%, 25%, 50%, 75% and 90% of the detector fullness. Then send the prepared test gas to the sensor at the control end to the minimum of 1m1m after calibration. The detector can show the following information under certain circumstances: 6.9.4 Test equipment 3) Gas analyzer: Gas storage and release device, 6.10 Response time test 6.10.1 Test the response time of the detector.
6.10.2 Requirement
The confirmation time of the detector can be met. Requirement 1.5 of 6.10.3 Method
6.10.3.1 Re-power on the detector to put it in the normal monitoring state for 20mr.in. 6.10.3.2 For the detector with the function of displaying the combustible gas concentration, let the flow rate of combustible gas and clean air enter the gas dilution device, prepare the test gas with a flow rate of 500m/min and a C fire rate of full range of the detector, and send the prepared test gas to the sensor of the detector and start the device at the same time for 10 hours. When the detector displays 90% of the safe value, stop recording the response time of the detector ().
6.10.3.3 For the detector without the function of displaying the concentration of commercial combustion gas, two personnel shall adjust the flow rate of the combustible gas and clean air of the detector to 500ml/min., and the test gas shall be 1.6 times the value reported by the detector, and the gas data prepared by the calibration mask shall be transmitted to the transmitting element of the detector. At the same time, the timing device shall be started: when the detector sends out a signal, the timing shall be stopped, and the alarm response time of the detector shall be recorded.
6.10.4 Test equipment
a) Gas disconnector:
b) Gas hysteresis device:
Timer.
6.11 High-precision design test
6.11.1 Test the adaptability of the detector to high-throughput flow. 6.11.2 Requirements
The high-precision screening performance of the detector shall meet the requirements of 5.1.8. 6.11.3 Methods
6.11.3.1 The detector shall be placed in a test chamber empty and in a normal monitoring state for 20 minutes. 6.11.3.2 The combustible gas with a volume fraction of 10% shall be delivered to the sensor element of the detector at a flow rate of 300 μl/min through the calibration sheet. After 2 minutes, the combustible gas in the test chamber shall be extinguished, and then the detector shall be covered in clean air for 30 minutes. During the test, observe and allow! 8
CB 15322.4—20D3
After recording the working state test of the detector, the detector can be in the normal monitoring state, and the operating value of the detector can be measured according to the methods of 1, 1, and 3.
6.11.4 Test equipment
Explosion test chamber.
6.12 Running resistance test
6.12.1 Purpose
To test the insulation performance of the detector.
6.12.2 RequirementswwW.bzxz.Net
The insulation performance of the detector shall meet the requirements of 5.1.13. 6.12.3 Method
6.12.3.F Under normal environmental conditions, use an insulation resistance measuring device to apply 0V + 50V DC voltage for 602 + 58 seconds to the following parts of the detector to measure their insulation resistance. a) Between an external charged device and an external charger with insulation requirements; 1) Between a power source and an external light source (the power switch is in the on position, and the power is not connected). 6.12.3.2 Place the probe in a heat chamber at a temperature of 40°C ± 5°C, and then place it in a heat test chamber at a temperature of 43°C ± 2°C and a humidity of 90%-5%, and maintain it for 61°C. Then, place it in a positive temperature test chamber at a temperature of 60°C ± 5°C and a humidity of 90%-5% and measure its insulation resistance according to the above method:
6.12.4 Test equipment
Insulation resistance test device that meets the following technical requirements (megohmmeter or shaker can also be used for testing) Test voltage: 500V50V;
Test cell: 0.0Mn~500M2
Small division: 0.1M01
Timing, 60±%
6.13 Withstand voltage test
6. 13.1 Test the withstand voltage performance of the detector on the first day
6.13.2 Requirements
The withstand voltage performance of the detector shall meet the requirements of Article 5.1.13. 6.13.3 Method
6.13.3.1 Use a voltage tester to apply 50V~1500V:0 (rated voltage exceeds 5cV), minus 50H±1%, 500V±10% (rated voltage does not exceed 50V) AC self-voltage to the reverse part of the tester at a voltage increase rate of 10V/s~.50CV/g for 50s15. Observe and record the phenomena that occur during the test. =) Between the external live terminals with flameproof requirements and the external side; ) Between the power supply terminal and the external charger (the power switch is in the open position and the power is not connected). 6.13.3.2 After the test, perform a functional inspection on the tester according to the provisions of 5.1.1. 6.13.4 Test equipment
Test equipment that meets the requirements of the following technical requirements: Test power supply: voltage 0V~1500V (effective value), frequency 50Hz+1%, rise (fall) rate 100V/8--5CC V/s.
Timing: 60155:
6.14 Radio frequency carbon field test
6.14.1 Purpose
To test the adaptability of the radio frequency probe in the radio frequency magnetic field environment.
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