Requirements for Regular Calibration and Measurement Standards of Combustible Gas Alarm Devices
Shenzhen Zhongnuo Detection Technology Co., Ltd. focuses on regular calibration and measurement services for combustible gas detectors and combustible gas detectors, providing protection for the production of various combustible gas workplaces.
Verification object:Initial calibration, subsequent calibration, and in-service inspection of combustible gas detection alarms and combustible gas detectors used in non mine operating environments.
Verification standard:JJG693-2011 "Verification Regulations for Combustible Gas Detection and Alarm Devices"
Verification cycle:The periodic calibration cycle for combustible gas detectors shall not exceed once a year
Verification method:Visual inspection, tactile sensation, instrument measurement, etc
Verification conditions:Environmental temperature: 0~40 ℃, relative humidity:<85%, good ventilation, no interference with the measured gas.
Verification equipment:Standard gases, flow controllers, stopwatches, insulation resistance meters, and other equipment and materials.
Verification items:Appearance and structure, marking and identification, power on inspection, alarm function and alarm action value inspection, insulation resistance measurement, indication error inspection, response time, repeatability, drift inspection, etc
Verification results:Instruments that have been verified as qualified according to the requirements of this regulation shall be issued a verification report; For instruments that fail the verification, a notification of the verification results shall be issued, and the unqualified items shall be indicated.
Partial cases:
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