GB/T 47441-2026Fire emergency rescue equipment - General specification for detection equipment (English PDF)

5.1.1 Identification

5.1.1.1 Chinese labels should be provided on the switches, buttons, indicator lights, displays, and other locations of the detection equipment.

5.1.1.2 Key locations of the detection equipment (such as power supply, ports, etc.) should be marked with Chinese prompts or warnings.

5.1.2 Appearance and Assembly

5.1.2.1 The appearance of each component of the detection equipment should be clean and flat, without obvious defects such as cracks or deformation.

5.1.2.2 All components of the detection equipment should be assembled completely and securely, without any defects or looseness, and should be easy and reliable to operate.

5.2 Safety Requirements

5.2.1 Explosion-proof requirements Individual protective detection equipment and fire detection equipment that needs to be carried into dangerous areas, along with their associated long-range communication transmission devices and gas-generating equipment. All collection devices must have corresponding explosion-proof functions. This is necessary in situations where explosive gas environments are continuously, frequently, or for extended periods. Detection equipment used in such locations should meet the explosion-proof rating requirements of Ex(ia).

5.2.2 Protection Requirements Fire detection equipment used in open-air operations should meet the IP65 protection rating in GB/T 4208-2017 and should be resistant to steam condensation. Function.

5.2.3 Insulation performance Under normal temperature conditions, the insulation resistance between the AC live terminals and the outer casing of the detection equipment should not be less than 20MOmega.

5.2.4 Dielectric Strength Under normal temperature conditions, the AC energized terminals and the casing of the detection equipment should be able to withstand a frequency of 50Hz ± 0.5Hz. A withstand voltage test of 500V±50V for 60s±5s is conducted. No surface arcing or breakdown should occur during the test. It should then be able to work normally.

5.3.1 Hazardous Chemicals Firefighting and Detection Equipment

5.3.1.1 Types of Detectable Substances 5.3.1.1.1 Portable fire detection equipment used for detecting hazardous chemical gases should be able to detect no fewer than 50 types of hazardous chemical gases (covering...). The "Classification Information Table of Hazardous Chemicals" includes qualitative detection and identification capabilities for all gases marked "highly toxic," applicable to portable disinfectants for liquids or solids. The detection and defense equipment should be capable of handling no fewer than 500 types of hazardous chemicals, both liquid and solid (covering all notes in the "Hazardous Chemicals Classification Information Table"). It has the capability to detect and identify highly toxic liquids and solids. 5.3.1.1.2 Gas chromatography-mass spectrometry, liquid chromatography-mass spectrometry, etc., should be able to qualitatively identify no less than 20,000 chemical substances (covering the categories listed in the "Hazardous Chemicals Classification"). The list includes all hazardous chemicals marked "highly toxic" in the "Chemical Classification Information Table," and concisely displays the physicochemical properties of the detected substances. and handling methods. 5.3.1.1.3 Fire detection equipment nominally capable of quantitative analysis shall have a resolution not exceeding 0.005% or the lowest possible risk of harm to the human body. The value is 10%, and its indication error should not exceed 5%FS. 5.3.1.1.4 The response time of the detection equipment should not exceed 10 seconds.

5.3.1.2 Performance of remote fire detection equipment 5.3.1.2.1 Fire remote detection equipment should be able to detect day and night, and visible light video and infrared thermal imaging video should support manual and automatic switching. 5.3.1.2.2 The fire-fighting remote detection equipment shall be capable of detecting at least 100 types of hazardous chemical gases (covering those listed in the "Hazardous Chemicals Classification Information Table"). It possesses qualitative detection and identification capabilities for gases marked as "highly toxic," and has the function of monitoring and judging spread trends. It can be vehicle-mounted, ship-mounted, and airborne, and can dynamically detect and identify such gases. Implement wide-area detection with a detection distance of no less than 500m. Detection equipment nominally equipped with on-the-move detection capabilities should be able to perform detection while in motion. Investigation. 5.3.1.2.3 The fire-fighting remote detection equipment should be able to instantly identify the names and relative concentrations of hazardous chemical gases, and be able to display the detection and monitoring results on video. The results, including the names, values, and location images of hazardous chemical gases, should be able to dynamically display the distribution and diffusion trends of the gases and provide real-time alarms. 5.3.1.2.4 Fire remote detection equipment should be able to identify multiple mixed gases simultaneously. 5.3.1.2.5 Remote detection equipment for fire protection used for gas leaks should be able to remotely detect and monitor gas leaks in urban areas, and quantitatively identify the leaks. The detection distance for combustible gas concentration should not be less than 100m.

5.3.2 Performance of Biological Contamination Firefighting Detection Equipment

5.3.2.1 Firefighting detection equipment with biological agent detection capabilities should be able to detect and identify, but not limited to, Bacillus anthracis, Yersinia pestis, and Clostridium difficile. Rungellella, Meredithromyces, Tularemia, Ricin, Abrus precatorius, Staphylococcal enterotoxin B, Botulinum toxin type A, Shigella neurotoxin I. Thirteen biological warfare agents, including Ebola virus, Marburg virus, and smallpox virus.

5.3.2.2 Biological pollution fire detection equipment should be able to complete the quantitative analysis of the detected substance within 20 minutes.

5.3.3 Performance of Nuclear Radiation Firefighting and Detection Equipment

5.3.3.1 Firefighting detection equipment with nuclear radiation detection capabilities should at least have gamma-ray detection capabilities, displaying gamma dose rate and gamma dose, and classifying... It features low and high gamma dose rate and low and high gamma dose alarm functions.

5.3.3.2 The gamma-ray energy response error should not exceed ±50%.

5.3.4 Performance of Individual Soldier Protective Reconnaissance Equipment

5.3.4.1 Individual soldier protective detection equipment should have corresponding explosion-proof functions and meet the explosion-proof level requirements of Ex(ia).

5.3.4.2 Individual soldier protective detection equipment should have oxygen content and combustible gas alarm functions, and its technical requirements should respectively comply with JJG365- The relevant regulations of.2008 and JJG693-2011.

5.3.4.3 For individual soldier protective detection equipment with gamma-ray radiation alarm function, its technical requirements shall comply with the relevant provisions of JJG393-2018. Regulation.

5.3.4.4 The detection performance of individual protective detection equipment with other hazardous chemical detection functions should meet the relevant national or industry standards. Require.

5.3.5 Performance of accessories and other measuring instruments

5.3.5.1 Fire detection equipment accessories such as gas composition collection devices should meet the relevant standards or technical requirements and must be carried into hazardous areas. It should have corresponding explosion-proof functions.

5.3.5.2 Auxiliary measuring instruments for fire detection and monitoring of various types of gases, temperatures, acids and alkalis, water quality, etc., and for fixed monitoring of known hazardous chemicals. Four-in-one, six-in-one, and other monitoring instruments, as well as other biological pollution detection and nuclear radiation pollution detection instruments, should meet the relevant standards or technical requirements. Technical requirements.

5.3.6 Operation and display performance

5.3.6.1 Fire detection equipment that can detect and identify fewer than 2,000 substances should be able to display the name of the identified substance in Chinese.

5.3.6.2 Portable fire detection equipment should be easy to operate, and all operations should be completed within 3 steps.

5.4 Communication Transmission Performance Non-vehicle-mounted fixed fire detection equipment should have communication transmission capabilities, and the transmission distance should not be less than 1km.

5.5 Continuous working time The continuous working time of fire detection equipment should not be less than 2 hours.

5.6 Quality Portable fire detection equipment should not weigh more than 15 kg, and individual protective detection equipment with explosion-proof communication transmission function should not weigh more than [amount missing]. 800g.

5.7 Alarm Performance The detection equipment should have audible and visual alarm functions. The visual signal should be clearly visible at 25 meters under ambient light conditions of 100 lx to 500 lx; the audible signal... The sound pressure level at 3m in any direction should be no less than 75dB (A-weighted).

5.8 Environmental adaptability requirements

5.8.1 The environmental safety and electrical safety of detection equipment shall comply with the relevant standards or technical requirements.

5.8.2 The fire detection equipment should be able to withstand the climatic environment tests shown in Table 2, and there should be no condensation or other factors affecting the fire detection equipment after the tests. The performance phenomenon is normal and it can work normally.

6.2 Safety Performance Test

6.2.1 Explosion-proof test According to the intended use of explosion-proof equipment and the provisions of GB/T 3836.1-2021, determine whether the explosion-proof certification inspection results of the detection equipment comply with 5.2.1. According to the regulations.

6.2.2 Protection Test Conduct protection tests according to GB/T 4208-2017 and determine whether the results comply with the provisions of 5.2.2.

6.2.3 Insulation performance test The insulation resistance between the external live terminals and the casing of the detection equipment was measured using an insulation resistance meter with an accuracy of not less than ±5% under a 500V DC voltage. The insulation resistance between the components should be tested in accordance with the requirements of 5.2.3.

6.2.4 Dielectric strength test A withstand voltage test device with an accuracy of not less than ±10% is used to apply a frequency of 50Hz ± 0.5Hz between the external live terminals and the casing of the detection equipment. The AC voltage is 500V±50V, held for 60s±5s, and the test results should meet the requirements of 5.2.4.

6.3.1 Performance Test of Firefighting Detection Equipment for Hazardous Chemicals

6.3.1.1 Testing or verification of the types of substances to be detected 6.3.1.1.1 Randomly sample 5% of different categories of hazardous chemicals from the non-detection equipment to test their detection performance. Test. The test should be conducted indoors, and the released substance should be at least 30cm away from the intake or probe of the fire detection equipment. For remaining items... Visual inspection is used to determine the types and quantities of detectable substances and to assess whether the results meet the requirements of 5.3.1.1.1. 6.3.1.1.2 Visually inspect the quantity of substances that the fire detection equipment can detect and identify, and determine whether the results meet the requirements of 5.3.1.1.2. 6.3.1.1.3 Randomly sample 5% of different categories of hazardous chemicals that can be quantitatively analyzed and detected by the anti-detection equipment. Perform a quantitative detection performance test. The test should be conducted indoors, and the released substance should be at least [distance missing] from the intake or probe of the fire detection equipment. For a 30cm sample, prepare standard substances at concentrations of 0.005%, 10%, 50%, and 90% for quantitative analysis, and determine whether the results meet the requirements of 5.3.1.1.3. Require. 6.3.1.1.4 Use a stopwatch to measure the response time of the detection equipment and determine whether the result meets the requirements of 5.3.1.1.4.

6.3.1.2 Remote fire detection equipment 6.3.1.2.1 Conduct the experiment at night, automatically and manually switching between visible light video and infrared thermal imaging video, and determine whether the results meet the requirements of 5.3.1.2.1. Requirements. 6.3.1.2.2 At the nominal detection distance of the hazardous chemical fire detection equipment, release no less than the nominal detection material of the fire detection equipment. For 5% of different categories of hazardous chemical substances by mass, there must be no reflective objects behind the test substances; fire-fighting detectors with on-the-go detection capabilities. The testing equipment was mounted on the test vehicle, which was then driven at a constant speed of 15 km/h to 20 km/h using a wireless rangefinder with an accuracy of at least 1 meter. The distance between the fire detection equipment on the test vehicle and the location of the gas being detected was measured. Any type of equipment was placed directly in front of the test vehicle in the direction of travel. The remote gas detection equipment can detect standard gases within a gas range and determine whether the results meet the requirements of 5.3.1.2.2. 6.3.1.2.3 During the test, check whether the fire detection equipment can instantly identify the names and relative concentrations of hazardous chemical gases, and whether it can directly display the information via video. Can the detection and monitoring results (including the name, value, and location image of hazardous chemical gases) dynamically display the distribution and diffusion trend of the gases? Can it generate real-time alarms and determine whether the results meet the requirements of 5.3.1.2.3? 6.3.1.2.4 At the nominal detection distance of the hazardous chemical fire detection equipment, release at least three types of fire detection equipment (as indicated by the equipment's specifications). When testing hazardous chemicals, there must be no reflective material behind the test substance. Check whether it can be identified simultaneously and determine whether the result complies with 5.3.1.2.4. Require. 6.3.1.2.5 At the nominal detection distance of the combustible gas fire detection equipment, release

1.5 times the nominal value of the minimum detectable combustible gas concentration. For flammable gases, there must be no reflective objects behind the test material. Determine whether the result meets the requirements of 5.3.1.2.5.

6.3.2 Performance Test of Biological Pollution Firefighting Detection Equipment

6.3.2.1 Visually inspect the types of biological contamination detection equipment and determine whether the results meet the requirements of 5.3.2.1.

6.3.2.2 Verify the detection and identification capabilities of each biological pollution fire detection equipment according to its stated capabilities for detecting and identifying microorganisms, viruses, infectious substances, or toxins. Verify whether the result meets the requirements of 5.3.2.2.

6.3.3 Performance Test of Nuclear Radiation Firefighting and Detection Equipment

6.3.3.1 Visually inspect the types of nuclear radiation detection equipment, and conduct individual protective detection equipment inspections in accordance with the relevant provisions of JJG393-2018. Test the gamma-ray radiation alarm function, check the display and alarm status, and determine whether the results meet the requirements of 5.3.3.1.

6.3.3.2 Test the energy response value of the nuclear radiation detection equipment according to the relevant provisions of JJG393-2018, and determine whether the results comply with the requirements. Requirements of 5.3.3.2.

6.3.4 Testing of Individual Soldier Protective Reconnaissance Equipment

6.3.4.1 In accordance with the provisions of GB/T 3836.1-2021, determine whether the explosion-proof certification inspection results of individual soldier protective detection equipment comply with 5.3.4.1. Regulation.

6.3.4.2 In accordance with the relevant provisions of JJG365-2008 and JJG693-2011, the oxygen content and combustible gas content of individual protective reconnaissance equipment shall be measured. Test the alarm function and determine whether the results meet the requirements of 5.3.4.2.

6.3.4.3 Conduct a gamma-ray radiation alarm function test on individual soldier protective detection equipment according to the relevant provisions of JJG393-2018, and judge the result. Does it meet the requirements of 5.3.4.3?

6.3.4.4 Conduct hazardous chemical detection function tests according to the national or industry standards corresponding to the nominal hazardous chemical detection substances, and determine the results. Does the result meet the requirements of 5.3.4.4?

6.3.5 Testing or verification of accessories and other measuring instruments

6.3.5.1 Verify the relevant technical documents of fire detection equipment accessories such as gas composition collection devices, and determine whether the results comply with 5.3.5.1. Require.

6.3.5.2 Validate various auxiliary measuring instruments used for fire detection, such as those for measuring flue gas, temperature, acid and alkali, and water quality, as well as those used for measuring known hazardous chemicals. Refer to the relevant technical documents for monitoring instruments such as four-in-one and six-in-one instruments used for monitoring, and determine whether the results meet the requirements of 5.3.5.2.

6.3.6 Operation and display performance test

6.3.6.1 Visually inspect whether there is a Chinese display function, and determine whether the result meets the requirements of 5.3.6.1.

6.3.6.2 Inspect each operating step of portable fire detection equipment and determine whether the results meet the requirements of 5.3.6.2.

6.4 Communication Transmission Performance Test The communication transmission performance of non-vehicle-mounted fixed fire detection equipment was tested, its transmission distance was measured, and the results were determined to meet the requirements of 5.4. Requirements.

6.5 Continuous Working Time Test The system operates continuously under rated conditions. The results are then used to determine whether the system meets the requirements of 5.5.

6.6 Quality Inspection Use an electronic scale to measure the fire detection equipment and determine whether the results meet the requirements of 5.6.

6.7 Alarm Performance Test The detection equipment emits a light alarm signal; its visibility is observed at a distance of 25 meters. The ambient noise level should not exceed 30 dB. Under certain conditions, to trigger an alarm on the detection equipment, use a sound level sensor directly facing the detection equipment from a horizontal distance of 3 meters from the center of the detection equipment in any direction. The maximum sound level intensity measured is the alarm sound level intensity.

6.8 Environmental adaptability test

6.8.1 Overview Conduct tests according to the relevant standards or technical requirements, or verify the relevant documents, and determine whether the results meet the requirements of 5.7.1.

6.8.2 Low-temperature performance test The detection equipment shall be tested according to the low-temperature test conditions in Table 2 and the provisions of GB/T 2423.1-2008, and the test results shall meet the requirements of 5.7.2. According to the regulations.

6.8.3 High-Temperature Performance Test The detection equipment shall be tested according to the high-temperature test conditions in Table 2 and the provisions of GB/T 2423.2-2008, and the test results shall meet the requirements of 5.7.2. According to the regulations.

6.8.4 Constant Humidity and Heat Performance Test The detection equipment shall be tested according to the constant damp heat test conditions in Table 2 and the provisions of GB/T 2423.3-2016.The test results shall meet the requirements. The provisions of 5.7.2.

7.3 Type Testing

7.3.1 Type testing shall be conducted in any of the following circumstances.

a) Trial production and type approval of new products or old products transferred to another factory for production;

b) Changes in the product's design, structure, materials, components, parts, manufacturing processes, or production conditions may affect product quality. Measure time;

c) When the technical requirements specified in the product standard change;

d) When production resumes after a shutdown of one year or more;

e) When the product quality supervision department requests type testing;

f) Other situations where product quality can only be proven through type testing.

7.3.2 The inspection items shall include at least the type test items specified in Table 3.

7.4 Judgment Rules All technical requirements must be met for the inspection to be deemed (qualified).

8.2 Packaging

8.2.1 The product packaging box should be sturdy and reliable, and have anti-vibration and moisture-proof measures.

8.2.2 The packaging box shall be labeled with the product name, trademark, product model, manufacturing date, manufacturer's name, address, dimensions, net weight, gross weight, and Upward-facing, moisture-proof sign.

8.2.3 The packaging box should include a product instruction manual and a product certificate. The product instruction manual should include the product's main technical parameters, operating procedures, and instructions. It includes precautions, warnings, troubleshooting, and maintenance information.

8.3 Transportation The product should be protected from sunlight, rain, and collisions during transportation.

8.4 Storage The product should be stored in a well-ventilated area, protected from rain, moisture, and sunlight, away from corrosive gases, radioactive radiation, high temperatures, and vibration. The product packaging should include all necessary documentation, such as an instruction manual, certificate of conformity, and packing list.