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Calibration cycle of combustible gas detection alarm

SINO Testing Services

| 2025-02-18|Return

The calibration cycle for combustible gas detection alarms is usually once a year.

According to the national standard JJG 693-2011 "Combustible Gas Detection Alarm", the calibration cycle of combustible gas alarms generally does not exceed one year. This means that under normal circumstances, a comprehensive inspection and testing of combustible gas alarms is required once a year to ensure that their performance indicators meet relevant requirements. ?

Factors affecting the calibration cycle
Manufacturer's requirementsCombustible gas alarms from different manufacturers may have different inspection cycle requirements. Therefore, when purchasing equipment, one should carefully review the product manual to understand the specific requirements of the manufacturer.
Equipment usage environmentThe usage environment of the alarm will directly affect its inspection cycle. If the equipment is exposed to environments with high concentrations of harmful gases, high humidity, high or low temperatures for a long time, its inspection cycle may be correspondingly shortened.
Equipment maintenance statusThe maintenance status of the equipment is also an important factor affecting the inspection cycle. If the device faces long-term problems such as battery shortage and sensor aging, its inspection cycle will also be correspondingly shortened.

Verification cycle under special circumstances

In high-risk areas or key locations such as chemical and petroleum flammable and explosive sites, it is recommended to shorten the testing cycle appropriately according to the actual situation, such as conducting testing every six months or even every quarter, to ensure safety and security.

Testing content and methods

Regularly inspect the probes of industrial and commercial alarm devices every year, mainly to check whether the indication error, repeatability, drift, and response time of the alarm device meet the standards, and issue a testing report. At the same time, check whether the installation position of the alarm is appropriate and whether it is disturbed by other devices.


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