Shenzhen ZhongNuo Testing Technology Co., Ltd. specializes in the calibration, certification, and metrological services for gas alarms, flammable gas detectors, toxic and harmful gas detectors, and other equipment in various locations. We offer services nationwide, providing solutions for electrical safety and explosion-proof fire prevention issues to our clients, contributing to safe production.
Power-on inspection
After power is applied to the instrument, it should operate normally with clear and complete display. Check the alarm function and alarm setpoint.
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 Instrument Control
Instrument control includes calibration, follow-up calibration, and in-use inspection.

Gas alarm regular inspection content
Installation spacing of testing points
2. Installation Height of Detector
3. Indicated Error (Concentration)
4. Repeatability (Concentration)
5. Alarm Error (Concentration)
6. Response Time (seconds)

Which gas detectors require regular calibration and verification?
Fixed-installed, handheld, portable gas detectors, gas alarm instruments, toxic and harmful gas detectors/alarm, flammable gas detectors/alarm, gas detection instruments, etc.
Shenzhen Zhongnuo Testing Technology Co., Ltd. is a third-party service provider specializing in electrical safety, electrical explosion-proofing, gas detectors, and toxic gas alarm instruments for regular inspections, metrological measurements, and calibrations. We hold the necessary qualifications to assist customers in addressing fire and explosion prevention issues.