Shenzhen Zhongnuo Testing Technology Co., Ltd. specializes in calibration, certification, and metrological services for gas alarms, combustible gas detectors, toxic and harmful gas detectors, and other equipment in various locations. We serve nationwide, providing solutions to electrical safety and explosion-proof fire prevention issues for customers, promoting safe production.
Regular inspection items for environmental gas detection and alarm instruments in work场所:
Alarm sound and light (if applicable)
2. Low response value
3. Indication Error (for Gas Detectors/Gas Detection Alarms)
4. Instrument Drift (in Portable Instruments)
5. Alarm Error (for Gas Detection Alarm / Gas Alarm)
6. Pump-actuated instrument gas collection distance and flow rate (for pump-actuated instruments)
7. Power Supply (for battery-powered instruments)
8. Response Time
9. Status Indicator (with wireless communication function)

Gas Alarm Detector Regular Inspection Content
Installation spacing of inspection (probe) points
2. Installation Height of the Detector
3. Indicated Error (Concentration)
Repetitive (Concentration)
5. Alarm Error (Concentration)
6. Response Time (Seconds)

Power-on inspection
After power on, the instrument should operate normally with clear and complete display. Check the alarm function and alarm action values.
Alarm function and alarm action value verification
The instrument's audio-visual alarm should be functioning normally. Insulation resistance.
Insulation resistance for instruments using AC power should not be less than 20MΩ.

Measurement Equipment Control
Instrument control includes calibration, follow-up calibration, and in-service inspection.
Shenzhen Zhongnuo Testing Technology Co., Ltd. is a third-party institution specializing in electrical safety, electrical explosion-proofing, gas alarms, and toxic gas detection equipment for regular inspections, metrological measurements, and calibrations. We hold the necessary qualifications to assist clients in solving fire and explosion prevention issues.