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Shenzhen Zhongnuo Detection Technology Co., Ltd. specializes in the detection, calibration, measurement and other services of gas alarms, combustible gas detectors, toxic and harmful gas detectors and other equipment in various places. With complete qualifications, we serve the whole country and solve various electrical and explosion-proof fire problems for our customers.
Testing standards:GB12358-2024 General Technical Requirements for Workplace Gas Detection and Alarm Instruments

Detection object:Various gas detectors, gas alarms, and gas detection alarms (including flammable gases, toxic and harmful gases, oxygen, etc.) in the workplace

Regular testing cycle:Not exceeding once every 3 years

Regular testing items:

1. Alarm sound and light (if any)

2. Zui small response value

3. Indication error (limited to gas detectors/gas detection alarms only)

4. Instrument drift (limited to portable instruments)

5. Alarm error (limited to gas detection alarm/gas alarm)

6. Gas collection distance and flow rate of pump suction instruments (limited to pump suction instruments only)

7. Power supply (limited to instruments powered by batteries)

8. Response time

9. Status indication (with wireless communication function)
Test results:If the regular inspection items do not meet the requirements of this document, the result of the regular inspection will be unqualified; All items that meet the requirements of this document shall be inspected regularly, and the results of the regular inspection shall be deemed qualified.