GB 15322.5-2003 Combustible gas detectors Part 5: Independent combustible gas detectors for measuring artificial gas

This part specifies the definition, classification, technical requirements, test methods, marking, inspection rules and instructions for use of independent combustible gas detectors for measuring artificial coal gas. This part is applicable to independent combustible gas detectors for measuring artificial coal gas installed in general industrial and civil buildings. GB 15322.5-2003 Combustible gas detectors Part 5: Independent combustible gas detectors for measuring artificial coal gas GB15322.5-2003 Standard download decompression password: www.bzxz.net

The installation requirements, test methods, markings, inspection rules and instruction manual of this part are mandatory: G15322 Combustible gas detection is divided into seven parts: Part 1: Point-type combustible gas detectors for measuring temperatures between 10% and 100C. Part 2: Vertical combustible gas detectors with a measuring range of 1.1-10% ET. Part 3: Portable combustible gas detectors with a measuring range of 1.1-10% ET. Part 4: Point-type combustible gas detectors for measuring artificial gas Part 5: Transformer combustible gas detectors for measuring artificial gas Part 6: Linear transducer combustible gas detectors for measuring 1% ET. 15322.5—2003
This part is the 5th part of G15322. In the process of implementation, the group reported the technical requirements of this part and carried out the corresponding tests and verification work. Appendix A of this part is the normative part proposed by the Ministry of Public Security of the People's Republic of China. The sixth technical committee of the National Fire Protection Standardization Technical Committee is under the jurisdiction of the public security department. The responsible drafting unit for this part is the Ministry of Public Security Chemical Fire Protection Research Institute. Participating drafting units: Beijing Keji Safety Equipment Co., Ltd., Beijing Dianbo Technology Development Co., Ltd., Fuyang Huaxin Electronics Co., Ltd., Shenzhen Chian Electronics Co., Ltd., and the drafting persons of this part are Gan Qiuyang, Guo Taohou, Zhao Yingran, Gui Cunyang, Su Weidong, Ding Nongzhi, Mi Yin, and Zhongdi. The standard version replaced is: GB153221994
Combustible Gas Detector
CK15322 .5—2003
Part 5: Independent flammable gas detectors for measuring artificial coal gas This part of GB15322 specifies the definition, classification, technical requirements, test methods, marking, inspection rules and instructions for use of independent flammable gas detectors for measuring artificial coal gas. This part is applicable to independent flammable gas detectors for measuring artificial coal gas (hereinafter referred to as optional gas detectors) installed and used in industrial and civil buildings. Detectors with special performance installed in other environments shall also comply with this part unless special requirements are otherwise specified in relevant standards.
2 Normative references||tt ||The clauses in the following documents become clauses of this part through reference in this part (1522). The referenced documents of the date of reference and all subsequent amendments (excluding errata) or revisions shall not be included in the referenced documents; however, all parties involved in the preparation of this part are encouraged to use the latest versions of these documents.
GR1rxR8—1997
Environmental test methods and severity ratings for fire protection electronic products
This part adopts the following definitions:
alarm setting ralue
alarm setting value
the value of the combustible gas alarm,
the action value of the alarm
the value of the detector alarm to a certain amount of combustible gas. 4 Classification
4.1 According to explosion-proof requirements, it can be divided into:
1) explosion-proof type;
4.2 According to the use environment, it can be divided into:
2) indoor use type;
3) outdoor use type.
4.3 According to the gas concentration:
a) gas sensitive type;
l) sulfoxide sensitive type
5 Technical requirements
5.1 Performancewww.bzxz.net
CB15322.5-2003
5.1.1 When the concentration of combustible gas in the monitored area or inside reaches the set alarm signal, the detector shall send out the required signal. 5.1.2 Alarm setting value
When the detector has two alarm setting values, low limit and commercial limit, its alarm setting value shall meet the requirements of low limit alarm setting value range in Table 1. If there is a detector with this setting value, its alarm setting value shall meet the requirements of low limit alarm setting range in Table 1.
Test gas
Chemical prison
5.1.3 Alarm action value
Operation limit alarm setting range (Physical effect 1RFX-*~Y0> J0
5G x1c --33x 13*
Upper limit alarm setting value (volume efficiency)
300×:0
5.1.3.1 In all test items specified in this section, the alarm action signal of the detector should not be lower than the lower limit of the alarm storage setting value range.
5.1.3.2 When the test gas is fire or gas, the difference between the alarm action low of the detector and the alarm stage setting value should not exceed ±125×10. When the test gas is a chemical, the difference between the root action value of the detector and the alarm setting value shall not exceed 20×1. 5.1.4 Full volume indication bias
For the detector with flammable gas concentration display, when the test gas is hydrogen, the difference between its product indication value and the actual value should not exceed ±2 10 For a gas that is more than 10 times the actual value, the difference between the displayed value and the actual value shall be calculated as 80%. 5.1.5 Response time
For a detector with a combustible gas concentration display function, the response time when the displayed value reaches 90% of the actual value shall not exceed 30. For a detector without a combustible gas concentration display function, the response time shall not exceed 30. 5.1.6 The detector shall have the following functions:
5.1.6.1 When the combustible gas concentration in the monitoring area is detected, the alarm timer shall be able to send out a light alarm signal, and then be placed in clean air. It shall be able to automatically return to the monitoring state within 30. 5.1.6.2 The detector shall have a sensing element circuit or a short-circuit 5.1.6.3 The detector shall emit a sound and light indicating signal which is clearly distinguishable from the alarm signal, charge and discharge fault signal, etc. 5.1.6.4 For the detector with input control function, when the detector emits a batch control signal, the sensor can be used for white control function. 5.1.7.1 When the detector indicates that the battery power is low, it will work for 2 hours. When the test gas is hydrogen, the difference between the alarm action value of the detector and the alarm setting value should not increase by more than 1. When the test gas is carbon monoxide, the difference between the alarm action value of the detector and the alarm setting value should not increase by more than 1. The difference between the set values ​​shall not exceed ±0.10
5.1.7.2 The battery of the detector shall be kept dry for at least 60℃ when it is continuously operated. 5.1.8 The detector shall be placed in an environment with a temperature of -25°C for 24 hours without power on, and then restored under normal environmental conditions for at least 24 hours at a temperature of 55°C. After the test, the detector shall show no signs of corrosion and deterioration, and its functions shall be normal. When the test gas level is hydrogen, the difference between the detector's response action value and the replacement setting value shall not exceed 125°C-1. When the test medium is monoxide, the difference between the detector's replacement action value and the operating setting value shall not exceed 50°C-1. 5.1.9 Position (except suction type detector) rotate 45 degrees on three parallel axes XYZ respectively. When the test gas is natural gas, the difference between the alarm action value of the detector and the alarm setting value should not exceed ±0.10. When the test gas is carbon monoxide, the difference between the alarm action value of the detector and the alarm setting value should not exceed ±10.5.1.10 Commercial filter performance (instrument with high-performance anti-bake detection function) 2
GD 15322.5—2003
During the fall, the detector shall send out an alarm signal or a fault signal or an obvious indication signal that the gas concentration exceeds the measurement range. In addition, the detection intelligence shall meet the following requirements: a) The detector cannot be in the monitoring state. b) If the operator is in the normal visual state (can be operated manually), when the test gas is hydrogen, the difference between the rated action value of the detector and the alarm setting value shall not exceed 200<10-(, test When the test gas is hydrogen, the difference between the alarm action value of the detector and the alarm setting value shall not exceed ±10.5×10.
5.1.11 Alarm Reliability
Under normal environmental conditions, the alarm value of the same detector is measured 6 times. When the test gas is hydrogen, the difference between the rated action value and the low setting value shall not exceed ±125×10. When the test gas is hydrogen, the difference between the alarm action value of the detector and the alarm setting value shall not exceed ±10.5.1,12 High-speed airflow
The airflow velocity in the test chamber is /, when the test gas is spot gas, the difference between the alarm action value of the detector and the alarm setting value shall not exceed 200×10-\, when the test gas is mainly chemical, the difference between the alarm action value of the detector and the set value shall not exceed +8210*5.1.13 The power supply voltage of the passive electric detector (except the detector powered by the central battery) is 315% of the rated power supply voltage. When the test gas is hydrogen, the difference between the alarm action value of the detector and the alarm setting value shall not exceed =125×11" When the test gas is carbon monoxide, the difference between the detector's action value and the alarm setting value should not exceed 5×10
5.1.14 Long-term stability performance
The detector should be able to operate continuously under the above conditions. During the test, the detector should send out an alarm signal or a warning signal: After the test, when the test gas is hydrogen, the difference between the detector's alarm action value and the alarm setting value should not exceed 20×10. When the test gas is carbon monoxide, the difference between the detector's alarm action value and the alarm setting value should not exceed 80×10. 5.1.15 Insulation resistance performance
The detector has a single-stage zero-voltage external terminal. The isolation resistance between the power tap and the external range should be not less than 10MQ under normal ambient conditions. It should be not less than 1M under thermal environment. The above-mentioned test should also be based on the rated frequency of 50Hz and an effective voltage of 1500V (when the rated voltage exceeds 50) or an effective value of 500V (when the rated voltage exceeds 50V). During the test period, the detector should not discharge or break down, and the detector function should be restored. 5.1.16 The detector should be able to withstand the tests under the electrical conditions specified in Table 2, and the test period and test month should meet the following safety requirements: a) During the test period, the detector shall not send out an alarm signal or an unrecoverable fault signal; b) When the test gas is hydrogen, the difference between the alarm action value of the detector and the alarm setting position shall not exceed ± 200 × 10-10; when the test gas is micro-monoxide, the difference between the alarm action value of the detector and the alarm setting value shall not exceed ± 100 × 10-10. 2
Type name
Car radio combustion test
Static electric test
Electrical transient protection test technology
Test team
Collection rate: M
Cause TV model
Connected variable hot shock Kkv
Test version of the most parts
2(.AC power cord)
1(common ground connection line)
positive, total
each up to 1 m:n
1 flexible flashlight power supply, and no external detector is involved in this test. . CB15322.5—2003 5.1.17 The detector should be able to withstand various tests under the specified climatic and environmental conditions, and meet the following requirements during and after the test. During the test, the detector should not emit any alarm or fault signals: After the test, the detector should be free from the phenomenon of damage and failure. When the test gas is oxygen, the difference between the alarm action value of the detector and the alarm setting value should not exceed ±40.510-1. When the test gas is monocarbonate, the difference between the alarm action value of the detector and the alarm setting value should not exceed ±16×1.
Other name
City monitoring medical
Low value test
Constant air condition heat
Test effect
Sustaining time
Sustaining time/h
Density code
Group for coagulation degree: state
Waiting time
Medical system
Indoor credit type
Outdoor use type
"Operation status check
Normal monitoring fast log
Normal monitoring state
Recovery state
Detector can withstand the various tests specified in Table 4. During the test, the detector should meet the following requirements: 5. 1. 18
During the test, the detector should not send out alarm signals. After the test, the detector should not have any loose parts. When the test gas is hydrogen, the difference between the alarm action value and the alarm setting value of the detector should not exceed ±2Uyi1\. When the test gas is carbon monoxide, the difference between the zero action value of the detector and the alarm setting value should not exceed +310
Test name
Volume reduction test
Gas interference test
Happy number
Average frequency/netmm
Store single axis door frequency
High activity/u
European fire release
Type of test
10-15c
25(small volume 1 kg)
3. Operation status
Normal state
No operation
When the detector is used for a long time at home, it shall be placed in a low temperature environment with a volume fraction of 0.1% for 10 minutes, and then placed in a high temperature environment with a frequency of 1000 nm.im
3) During the test, the detector shall not emit an alarm signal or a fault signal;) ​​After the test, when the test gas reaches hydrogen, the difference between the detector's alarm action value and the alarm setting value shall not exceed 200°C: When the test gas is oxygen, the difference between the detector's reset value and the reset setting value shall not exceed 80°C*5.2 Performance of main components
5. 2. 1 Indicator lights
5.2. 1. 1. The light-emitting diode indicator light should be used; GH 15322.5—2003
5.2.1.2 The indicator light should be marked with colors, red for the signal of refusal, yellow for the signal of failure and green for the signal of normal operation. 5.2.1.3 All indicator lights should clearly indicate their functions. Under normal ambient light, the indicator lights should be clearly distinguishable in the distance of m2 in front of the vehicle.
5.2.2 Power supply appliances
5.2.2.F The grid should adopt a double contact structure
5.2.2.2 The relay should be used in the following way:
5.2.2.3 The same contact should not be used to control the internal and external appliances of the detector. 5.2.3 Electronic components should be subjected to three-proof (anti-lake, anti-emission, and anti-harm) treatment. 5.2.4 Sound components 5.2.4.1 Under rated working voltage, the sound level of the sound component at a distance of 111 meters from the front should be no less than 75dB and 1.5dB. 5.2.4.2 At 85% of the rated voltage, the sound component should make a sound. 5.2.5 Switches and buttons should be strong and durable, and their functions should be clearly marked. 5.2.6 The detection alarm should be made of non-flammable materials or flame-retardant materials (oxygen index containing 2). 6 Test method 6.1 Test outline The test sequence is shown in Table 3: F
Color Xiao Topic Garden
Visual inspection and sound test
Main component inspection test
Function test
Electric model cell test
No power supply circuit
Report hip action position test
Direction test
Education and management efficiency test
High-pressure gas test
Electric wave test
Full quantity guarantee test
Internal response time
High concentration re-cleaning
Deep electric current test
Endurance test
GB15322.5—2003
Test scope
Radio medium field test
Rolling electric glass test
Electrolytic taste test Monitoring
Business test
Low speed test
World standard humidity test
Reporting test
Professional test
Long term qualitative test
Gas interference test
5 (wisp)
There are 13 test samples, and they are fully charged before the test: Protective equipment number
If there is no explanation in the relevant provisions, all tests are carried out under the following atmospheric conditions: 6.1.3
Temperature: 15.~53
centimeter, a certain value between 0%RH~70%RH±10%RH; Atmosphere: 86a--106kPa
6.1.4 If there is no explanation in the relevant provisions, the tolerance of all test data is 25%. The tester shall be inspected before the test. The test can be carried out only when the following requirements are met. 6.1.5
The symbols and markings are clear and complete:
b) There is no corrosion, coating delamination and pooling on the surface; there is no obvious scratch, crack, flying, etc.; ) There is no looseness in the fixed parts.
6.1.6 Test gas distribution accuracy
The purity of the combustible gas used to prepare the test gas should not be less than 5%; the air used to prepare the test gas should be fresh air without dust and oil, the distribution humidity should meet the normal humidity conditions, and the distribution error should not be greater than +2% of the set value. 6.1.7 Detection calibration
Before the test, the alarm point of the detector should be calibrated according to the alarm setting value according to the product manual, and a check should be performed to confirm. No calibration will be performed after this. It is allowed to calibrate the detector with a calibration factor. E.1.8 Before the start of the detector test, the detector should be preheated for 1. or according to the time specified in the product manual), and then zeroed according to the instructions. No adjustment will be made after the start of the test (except for special requirements for individual tests). 6.2 Main unit inspection and test
6.2.1 Purpose
Check the performance of the main components of the controller.
6.2.2 Requirements
The main components required for detection should meet the requirements of 5.2. 6.2.3 Method
6.2.3.1 Check and record the color marking, visibility and function marking of the indicator lights. 6.2.3.2 Check and record the function marking of each switch and key of the detector. 6.2.3.3 Check and record the status of each relay, 2.3.4 Check and record the status of the three defenses, GB 15322,5-2Q03 6.2.3.5 Make the detector in the state of replacement, measure and record the voltage level of the detector alarm signal, and then the detector power supply voltage circuit reaches 85% of the center pressure, observe and record the alarm situation of the detector. 6.2.3.6 Check the shell of the detector and measure the external filling index of the flame retardant material. 6.3 Function test 6.3.1 Purpose Test the function of the transformer. 6.3.2 Requirements The function of the detector should meet the requirements of 5 and the above. 6.3.3 Method
6.3.3.1 After the detector is in the normal monitoring state for 10m, switch it to the alarm state, observe and record the sound and light alarm of the detector, and the detector with output control function should also check the output control function. 6.3.3.2 Remove the detector in the alarm state from the sensible gas environment (automatically or automatically restore), observe and record the recovery of the detector and the light alarm signal,
6.3.3.3 Check the disconnection and disconnection of the transmission element of the detector, and observe and record the working status of the detector. 6.3.3.4 Operate the self-check mechanism of the detector, observe and record the sound and light alarm of the detector. 6.4 Battery performance test
6.4.1 Purpose
To test the electrical performance of the detector.
6.4.2 Requirements
The battery performance of the detector shall meet the requirements of 5.7. 6.4.3 Method
6.4.3.1 Check the low battery indicator of the detector. 6.4.3.2 Allow the detector to operate continuously until the low battery indicator is raised, and then operate for 24 hours. Then, test the detector according to the method in 6.5.3.
6.4.3.3 Install the battery-powered detector with a charged battery and put it in a positive state to monitor the detector for 60 days.
6.5 Storage test without power supply
6.5.1 Check the adaptability of the detector to the storage environment. 6.5.2 Requirements
The detector shall meet the requirements in 5, =, 8.
6.5.3 Method
6.5.3.1 Place all the detectors that have been calibrated and zeroed and are functioning normally in a low temperature test chamber, and reduce the temperature in the test chamber to 25℃±12℃ at a cooling rate of no more than 1°C/min and maintain it for 21 hours. 6.5.3.2 Take out all the detectors from the low temperature test and place them in the normal environment indoors to recover to the original temperature for 24 hours. 6.5.3.3 Place the detectors in the high temperature test range and increase the temperature in the test chamber by 5% at a heating rate of no more than 1°C/min and maintain it for 21 hours. E.5.3.4 Take out the detectors from the high temperature test chamber and place them in the normal environment indoors to recover to at least 21°C. 6.5.3.5 After the test, measure the alarm value of the detector under the normal environment conditions according to the method in E.6.3. 6.5.4 Test equipment
Meet the requirements of GB1GR38-1997 Section 4. 8.6 Alarm and action value test
6. 6. Purpose
GB 15322.5--2003
Check the accuracy of the detector alarm zero setting. 6.6.2 Requirements
The alarm and action value of the detector shall meet the requirements of Article 5.1.3. 6.6.3 Method
G.6.3.1 Install the detector in the test box according to the normal working state requirements, and keep the detector in the normal monitoring state for 20 min.
2 Start the fan to stabilize the air flow density in the test box. 8s > 1.2m/s, then add the test gas at a rate of 100% and a fraction not greater than 1C0×6. 6.3.2
-: from the detector to the alarm tube signal, and the measuring device reaches the action value. 6.6.1 Test equipment
The test equipment meets the requirements of Appendix A of this part.
6.7 Orientation test
6.7.1 Check the influence of the detector orientation on the alarm action value. 6.7.2 Requirement
The detector orientation can be fully specified in 5.1.9. 6.7.3 Methods
6.7.3.1 Install the detector in the test box under normal working conditions, turn on the power supply, and keep the detection end in the positive monitoring state for 20 min
6.7.3.2 Start the fan, make the airflow gradually increase to 0.8/s-0.2/s, and then increase the test gas at a rate not exceeding 10010-/- by volume fraction until the detector sends out an alarm signal. Take the detector's position on the 7 axis as the position for the test, and conduct a test once, measuring the alarm action value of each position on the 7 axis. 6.7.3.3 Measure the alarm action value of each position on the Y and X axes respectively. If the external structure and internal components of the detector on the Y and X axes have no effect on the airflow velocity, the test on the X axis can be omitted. 6.7.4 Test equipment
The test equipment shall comply with the provisions of Appendix A of this part. 6.8 General reliability test
6.8.1 Purpose
To check the stability of the detector in the desired position. 6.6.2 Requirements
The reliability of the detector alarm shall meet the requirements of 5.1.1. 6.8.3 Method
The detection device alarm action shall be measured according to the method of 6.6.3. 6.8.4 Test equipment
The verification equipment shall comply with the provisions of Appendix A of this Part. 6.9 High-speed airflow test
6.9.1 Purpose
To check the adaptability of the detector to high-speed airflow. 6.9.2 Requirements
The high-speed airflow performance of the detector shall meet the requirements of 5.1.12. 6.9.3 Method
6.93! Install the detector in the test box A according to the requirements of the positive lead test state, and turn off the power. The positive lead point signal is displayed at the end of the detector for 23 minutes.
6.9. 3. 2
Start the ventilator in the test box to make the air velocity in the test box reach 10.n/: Then increase the test gas dust change rate at a rate greater than 8
GB15322.5—2003
19×10\/m. The detector sends a zero signal and the detector sends a general action value. 6.9.4 Test equipment
The test equipment shall comply with the provisions of Appendix A of this part. 6.10 Voltage fluctuation test
6.10.1 The adaptability of the detector to the voltage fluctuation of the bird network is small. 6.10.2 Requirements|| The performance of the detector shall meet the requirements of 3.1.13: 6.10.3 Method
Supply the detector with a working voltage of 85% of the power supply and stabilize it for 20 minutes. Then measure the alarm value of the detector. After that, remove the combustible gas in the test box and verify that the detector has returned to normal monitoring state. Adjust the detector voltage to the working voltage of 1/10 and stabilize it for 20 minutes. According to 6.3 method, measure the alarm action of the detector. 6.10.4 Test equipment
The test equipment shall comply with the provisions of this part except for A. 6.11 Indication deviation test
6.11.1 The detection of the detector is to test the indication deviation of the detector.
6.11.2 Requirements
The full range of the depth sounder should meet the requirements of 5.1 and 1.6.11.3 Methods
6.11.3.1 Turn on the detector and make sure it is in the normal monitoring state for 201mim6.11.3.2 Adjust the flow rate of the incoming gas including the clean air, prepare the test gas with the standard volume L/i to reach the full degree of the operator respectively 11, 25%, 50%, 5%. 9 concentration, then after the test, respectively put the prepared test gas on the sensor element of the detector for at least 1mim. Record the detection situation under this situation. 6.11.4 Test equipment
) Gas analysis right:
1.) Gas diluter,
6.12 Response time test
6.12.1 The response time of the deep sounding ticket shall be tested on the day of the test.
6.12.2 Requirements
The response time of the detector shall meet the following requirements: 1.5 requirements, 6, 12.3 requirements
6.12.3.1 Put the detector 16.12.3.2 For the detector with combustible gas indication function, prepare test gas with a volume of nml/mi and a concentration of 50% of the full range of the detector. After verification, deliver the prepared test gas to the sensor element at the detection end, start the timing device when measuring, and wait until the detector displays the real value! 5%, stop timing and record the detector response time. 12.3. For the deep reducer with not only flammable gas concentration but also display function, adjust the flow rate of flammable gas and clean air entering the human body degasser. The minimum flow rate is 55)T/m, and the concentration is 1. times the alarm action fear of the detector. After the prepared or aged gas is sent to the sensor element of the detector, start the reset at the same time. When the detector sends a zero signal, stop timing and record the alarm response time of the detector. 6.12.4 Test equipment CB15322.5-2DC3 a) Gas analyzer; 2) Gas analyzer; 3) Timer. 6.13 High concentration case test 6. 13. 1 Purpose
To test the adaptability of the detector to high-energy variable-temperature explosions. 6.13.2 Requirements
The high-concentration performance of the detector shall meet the requirements of 5.1.10. 6.13.3 Methods
6.13.3.1 Install the detector in an explosion-proof test cabinet and keep it in a normal state. 2 Product: 6.13.3.2 Send a 100% combustible gas with a flow rate of 5mT/min to the sensor element of the detector through a calibration sheet. Keep for 2 \i, remove the gas or oil from the test box, and then place the detector in clean cold air for 3) minutes. During the test, observe and record the working status of the detector; after the test, if the detector is in normal condition, measure the resistance value of the detector according to the method in 6.6.3.
|6.13.4 Test equipment
Explosion-proof test box:
6.14 Insulation resistance test
|6.14.1 Test the insulation performance of the detector according to the national standard.
|6.14.2 Requirements
The insulation performance of the detector shall meet the requirements of 5.1.2.5. 6.14.3 Method
|6.14.3.1 Under normal environmental conditions, use the test kit to add 50)V and 55V DC voltage to the active parts of the detector for 0 ± 9 seconds to measure its insulation resistance. ) Between the external live terminal with insulation requirement and the external competition: b) Also between the source head and the external charger (the power switch should be in the open position: do not turn on the power) 6.14.3.2 Place the detector in a dry oven at a temperature of 43℃ + 5℃ for 6 hours, then place it in a damp heat or humidity test environment with a temperature of 10% + 12 and a humidity of 9% - 95% for 96 hours, and then place it in the environment under the same conditions for 60 minutes and measure its insulation depth according to the above method. t||6.14.4 Test equipment
Continuous voltage drop test device meeting the following technical requirements (megameter or hysteresis meter can be used for test) Test voltage: 59V5cV,
Test product range: cMo-500Me
Small quantity.M;
Note: 609
6.15 Withstand voltage test
Inspect the withstand voltage of the detector.
6.15.2 Requirements
The performance of the transformer should meet the requirements of 5.1.15. 6.15.3 Methods
CB15322.5—2003
6.15.3.1 Use the test device to apply 50Hz 1500V10V (rated voltage exceeds 5V) or 5(15500V10V (rated voltage exceeds 0V) AC voltage to the following parts of the transformer at a rising rate of 1V/1V/= for 5 seconds and record the phenomena that occur during the test. b) Insulate the external live terminals from the external terminals (the power supply is turned off and the power is not connected). 6.15.3.2 Test and inspection. Perform functional inspection according to the test data specified in 5.1.1. 5.15.4 Test equipment
The test equipment shall meet the following technical requirements, test parameters: voltage: 0V~1500V (effective value) continuously, frequency: 5)Hz±%, voltage rise (fall) rate: 003--5c5V/s.
Recording time: 60±5%
6.16 Radio electromagnetic field test
6.16.1 Purpose
To check the adaptability of the detector to work under radio electromagnetic field conditions: 6.16.2 Requirements
The radio electromagnetic field performance to be tested shall meet the requirements of Article 5.1.1. 6.16.3 Method
6.16.3.1 Place the detector on each stand and turn on the power supply to make the detector in normal monitoring state for 20min. 6.16.3.2 Arrange the test equipment according to Figure 1, place the transmitting radio in the middle, and place the detector and the impedance measuring instrument at the two ends of the transmitting line.
6.16.3.3 Adjust the power signal of 1MHz~1UUMHz to make the output of the transmitter to make the impedance meter reading 1uV/m. During the test, the frequency should be changed slowly within the efficiency range of 1MHz～1000MHZ at a rate greater than 0.0050ct/m. The detector should be rotated at any time, and the working condition of the detector should be recorded. If the transmitting antenna used is electromagnetic, the transmitting line should be reversed and the test should be conducted on the detector. In the frequency range of 1MHz--10CCMTz, the antenna should be used for horizontal and vertical polarization test respectively.
6.16.3.4 During the test, observe and record the working status of the detector. 6.16.3.5 The test should be carried out within the test range. To avoid large measurement errors, the position of the antenna should be consistent with the requirements of Figure 2. 6.16.3.6 After the test is completed, the alarm action value of the detector should be measured according to the method in 6.3.3. 6.16.4 Test equipment
The test equipment is in accordance with the provisions of Chapter 1 of GB16938-1. Longsi people sit
Electric interference measurement receiver
Figure 1 Test equipment layout5-2DC3
a) Gas analyzer;
) Gas analyzer
) Timer.
6.13 High concentration test
6.13.1 Purpose
To test the adaptability of the detector to high energy variable temperature. 6.13.2 Requirements
The high concentration range performance of the detector shall meet the requirements of 5.1.10. 6.13.3 Method
6.13.3.1 Install the detector in the explosion-proof test box and keep it in a normal state. 6.13.3.2 Send the combustible gas with a volume fraction of 100% to the sensor element of the detector at a flow rate of 5mT/min through the calibration sheet. Keep for 2 \i, remove the gas or oil from the test box, and then place the detector in clean cold air for 3) minutes. During the test, observe and record the working status of the detector; after the test, if the detector is in normal condition, measure the resistance value of the detector according to the method in 6.6.3.
|6.13.4 Test equipment
Explosion-proof test box:
6.14 Insulation resistance test
|6.14.1 Test the insulation performance of the detector according to the national standard.
|6.14.2 Requirements
The insulation performance of the detector shall meet the requirements of 5.1.2.5. 6.14.3 Method
|6.14.3.1 Under normal environmental conditions, use the test kit to add 50)V and 55V DC voltage to the active parts of the detector for 0 ± 9 seconds to measure its insulation resistance. ) Between the external live terminal with insulation requirement and the external competition: b) Also between the source head and the external charger (the power switch should be in the open position: do not turn on the power) 6.14.3.2 Place the detector in a dry oven at a temperature of 43℃ + 5℃ for 6 hours, then place it in a damp heat or humidity test environment with a temperature of 10% + 12 and a humidity of 9% - 95% for 96 hours, and then place it in the environment under the same conditions for 60 minutes and measure its insulation depth according to the above method. t||6.14.4 Test equipment
Continuous voltage drop test device meeting the following technical requirements (megameter or hysteresis meter can be used for test) Test voltage: 59V5cV,
Test product range: cMo-500Me
Small quantity.M;
Note: 609
6.15 Withstand voltage test
Inspect the withstand voltage of the detector.
6.15.2 Requirements
The performance of the transformer should meet the requirements of 5.1.15. 6.15.3 Methods
CB15322.5—2003
6.15.3.1 Use the test device to apply 50Hz 1500V10V (rated voltage exceeds 5V) or 5(15500V10V (rated voltage exceeds 0V) AC voltage to the following parts of the transformer at a rising rate of 1V/1V/= for 5 seconds and record the phenomena that occur during the test. b) Insulate the external live terminals from the external terminals (the power supply is turned off and the power is not connected). 6.15.3.2 Test and inspection. Perform functional inspection according to the test data specified in 5.1.1. 5.15.4 Test equipment
The test equipment shall meet the following technical requirements, test parameters: voltage: 0V~1500V (effective value) continuously, frequency: 5)Hz±%, voltage rise (fall) rate: 003--5c5V/s.
Recording time: 60±5%
6.16 Radio electromagnetic field test
6.16.1 Purpose
To check the adaptability of the detector to work under radio electromagnetic field conditions: 6.16.2 Requirements
The radio electromagnetic field performance to be tested shall meet the requirements of Article 5.1.1. 6.16.3 Method
6.16.3.1 Place the detector on each stand and turn on the power supply to make the detector in normal monitoring state for 20min. 6.16.3.2 Arrange the test equipment according to Figure 1, place the transmitting radio in the middle, and place the detector and the impedance measuring instrument at the two ends of the transmitting line.
6.16.3.3 Adjust the power signal of 1MHz~1UUMHz to make the output of the transmitter to make the impedance meter reading 1uV/m. During the test, the frequency should be changed slowly within the efficiency range of 1MHz～1000MHZ at a rate greater than 0.0050ct/m. The detector should be rotated at any time, and the working condition of the detector should be recorded. If the transmitting antenna used is electromagnetic, the transmitting line should be reversed and the test should be conducted on the detector. In the frequency range of 1MHz--10CCMTz, the antenna should be used for horizontal and vertical polarization test respectively.
6.16.3.4 During the test, observe and record the working status of the detector. 6.16.3.5 The test should be carried out within the test range. To avoid large measurement errors, the position of the antenna should be consistent with the requirements of Figure 2. 6.16.3.6 After the test is completed, the alarm action value of the detector should be measured according to the method in 6.3.3. 6.16.4 Test equipment
The test equipment is in accordance with the provisions of Chapter 1 of GB16938-1. Longsi people sit
Electric interference measurement receiver
Figure 1 Test equipment layout5-2DC3
a) Gas analyzer;
) Gas analyzer
) Timer.
6.13 High concentration test
6.13.1 Purpose
To test the adaptability of the detector to high energy variable temperature. 6.13.2 Requirements
The high concentration range performance of the detector shall meet the requirements of 5.1.10. 6.13.3 Method
6.13.3.1 Install the detector in the explosion-proof test box and keep it in a normal state. 6.13.3.2 Send the combustible gas with a volume fraction of 100% to the sensor element of the detector at a flow rate of 5mT/min through the calibration sheet. Keep for 2 \i, remove the gas or oil from the test box, and then place the detector in clean cold air for 3) minutes. During the test, observe and record the working status of the detector; after the test, if the detector is in normal condition, measure the resistance value of the detector according to the method in 6.6.3.
|6.13.4 Test equipment
Explosion-proof test box:
6.14 Insulation resistance test
|6.14.1 Test the insulation performance of the detector according to the national standard.
|6.14.2 Requirements
The insulation performance of the detector shall meet the requirements of 5.1.2.5. 6.14.3 Method
|6.14.3.1 Under normal environmental conditions, use the test kit to add 50)V and 55V DC voltage to the active parts of the detector for 0 ± 9 seconds to measure its insulation resistance. ) Between the external live terminal with insulation requirement and the external competition: b) Also between the source head and the external charger (the power switch should be in the open position: do not turn on the power) 6.14.3.2 Place the detector in a dry oven at a temperature of 43℃ + 5℃ for 6 hours, then place it in a damp heat or humidity test environment with a temperature of 10% + 12 and a humidity of 9% - 95% for 96 hours, and then place it in the environment under the same conditions for 60 minutes and measure its insulation depth according to the above method. t||6.14.4 Test equipment
Continuous voltage drop test device meeting the following technical requirements (megameter or hysteresis meter can be used for test) Test voltage: 59V5cV,
Test product range: cMo-500Me
Small quantity.M;
Note: 609
6.15 Withstand voltage test
Inspect the withstand voltage of the detector.
6.15.2 Requirements
The performance of the transformer should meet the requirements of 5.1.15. 6.15.3 Methods
CB15322.5—2003
6.15.3.1 Use the test device to apply 50Hz 1500V10V (rated voltage exceeds 5V) or 5(15500V10V (rated voltage exceeds 0V) AC voltage to the following parts of the transformer at a rising rate of 1V/1V/= for 5 seconds and record the phenomena that occur during the test. b) Insulate the external live terminals from the external terminals (the power supply is turned off and the power is not connected). 6.15.3.2 Test and inspection. Perform functional inspection according to the test data specified in 5.1.1. 5.15.4 Test equipment
The test equipment shall meet the following technical requirements, test parameters: voltage: 0V~1500V (effective value) continuously, frequency: 5)Hz±%, voltage rise (fall) rate: 003--5c5V/s.
Recording time: 60±5%
6.16 Radio electromagnetic field test
6.16.1 Purpose
To check the adaptability of the detector to work under radio electromagnetic field conditions: 6.16.2 Requirements
The radio electromagnetic field performance to be tested shall meet the requirements of Article 5.1.1. 6.16.3 Method
6.16.3.1 Place the detector on each stand and turn on the power supply to make the detector in normal monitoring state for 20min. 6.16.3.2 Arrange the test equipment according to Figure 1, place the transmitting radio in the middle, and place the detector and the impedance measuring instrument at the two ends of the transmitting line.
6.16.3.3 Adjust the power signal of 1MHz~1UUMHz to make the output of the transmitter to make the impedance meter reading 1uV/m. During the test, the frequency should be changed slowly within the efficiency range of 1MHz～1000MHZ at a rate greater than 0.0050ct/m. The detector should be rotated at any time, and the working condition of the detector should be recorded. If the transmitting antenna used is electromagnetic, the transmitting line should be reversed and the test should be conducted on the detector. In the frequency range of 1MHz--10CCMTz, the antenna should be used for horizontal and vertical polarization test respectively.
6.16.3.4 During the test, observe and record the working status of the detector. 6.16.3.5 The test should be carried out within the test range. To avoid large measurement errors, the position of the antenna should be consistent with the requirements of Figure 2. 6.16.3.6 After the test is completed, the alarm action value of the detector should be measured according to the method in 6.3.3. 6.16.4 Test equipment
The test equipment is in accordance with the provisions of Chapter 1 of GB16938-1.
Electrical interference measurement
Figure 1 Layout of test equipment1 Purpose
To test the adaptability of the detector to work under radio frequency conditions: 6.16.2 Requirements
The radio frequency performance of the tested vehicle shall meet the requirements of 5.1.1. 6.16.3 Method
6.16.3.1 Place the transmitter and receiver of the detector on each unit, turn on the power, and put the detector in normal monitoring state for 20 minutes. 6.16.3.2 Arrange the test equipment according to Figure 1, put the transmitting radio in the middle, and place the detector and the radio impedance measuring instrument at the two ends of the transmitting line respectively.
6.16.3.3 The output of the power signal transmitter of 1MHz~1UUMHz shall make the meter reading of the electric interference tester 1uV/m. During the test, the frequency shall be changed slowly within the efficiency range of 1MHz～1000MHZ at a rate greater than 0.050ct/, and the detector shall be turned at the same time, and the working conditions of the tester shall be recorded. If the transmitting antenna used is electromagnetic, the transmitting line shall be reversed and the test shall be conducted with the detector. In the frequency range of 1MHz--10CCMITz, the test shall be conducted with the horizontal polarization and vertical polarization of the antenna respectively.
6.16.3.4 During the test, observe and record the working status of the detector. 6.16.3.5 The test should be carried out in the vehicle. To avoid large measurement errors, the position of the antenna should be consistent with the requirements of Figure 2. 6.16.3.6 After the test, measure the alarm action value of the detector according to the method in 6.3.3. 6.16.4 Test equipment
The test equipment is in accordance with the provisions of Chapter 1 of GB16938-1. Long Si people sit
Electric interference measurement receiver
Figure 1 Test equipment layout1 Purpose
To test the adaptability of the detector to work under radio frequency conditions: 6.16.2 Requirements
The radio frequency performance of the tested vehicle shall meet the requirements of 5.1.1. 6.16.3 Method
6.16.3.1 Place the transmitter and receiver of the detector on each unit, turn on the power, and put the detector in normal monitoring state for 20 minutes. 6.16.3.2 Arrange the test equipment according to Figure 1, put the transmitting radio in the middle, and place the detector and the radio impedance measuring instrument at the two ends of the transmitting line respectively.
6.16.3.3 The output of the power signal transmitter of 1MHz~1UUMHz shall make the meter reading of the electric interference tester 1uV/m. During the test, the frequency shall be changed slowly within the efficiency range of 1MHz～1000MHZ at a rate greater than 0.050ct/, and the detector shall be turned at the same time, and the working conditions of the tester shall be recorded. If the transmitting antenna used is electromagnetic, the transmitting line shall be reversed and the test shall be conducted with the detector. In the frequency range of 1MHz--10CCMITz, the test shall be conducted with the horizontal polarization and vertical polarization of the antenna respectively.
6.16.3.4 During the test, observe and record the working status of the detector. 6.16.3.5 The test should be carried out in the vehicle. To avoid large measurement errors, the position of the antenna should be consistent with the requirements of Figure 2. 6.16.3.6 After the test, measure the alarm action value of the detector according to the method in 6.3.3. 6.16.4 Test equipment
The test equipment is in accordance with the provisions of Chapter 1 of GB16938-1. Long Si people sit
Electric interference measurement receiver
Figure 1 Test equipment layout
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