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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 regulations and requirements of relevant standards:
According to Article 5.5 of the Verification Regulations for Combustible Gas Alarm Devices (JJG693-2011), the calibration cycle for combustible gas detection and alarm devices is generally not more than one year. If there are doubts about the measurement data of the instrument, or if the main components of the instrument are replaced or repaired, it should be promptly sent for inspection.
According to Article 3.5 of the "Specification for the Use of Combustible Gas Detection and Alarm" (SY6503-2000), combustible gas detection and alarm devices in use should be calibrated regularly according to regulations
According to Article 7.2.1 of the "Specification for the Installation of Toxic Gas Devices in the Workplace" (GBZ/T223-2009), the detection and alarm devices shall be calibrated regularly according to the manufacturer's specified time and procedures.
According to Article 3.4 of the "Specification for the Use of Combustible Gas Detection and Alarm Devices" (SY6503-2000), the combustible gas detection and alarm devices installed and used should be manufactured with measuring instruments recognized by national institutions and have explosion-proof performance**
Testing items:
1. Installation spacing of inspection (probing) points
2. Installation height of the detector (probe)
3. Indication error (concentration)
4. Repeatability (concentration)
5. Alarm error (concentration)
6. Response time (seconds)
Testing standards:
GB/T50493-2019 "Design Standard for Combustible Gas and Toxic Gas Detection and Alarm in Petrochemical Industry"
GB12358-2006 General Technical Requirements for Workplace Gas Detection and Alarm Devices
JJG693-2011 "Verification Regulations for Combustible Gas Detection and Alarm Devices"
Detection object:Various types in useFixed installation, handheld, portableGas alarm, gas alarm, toxic and harmful gas detector/alarm, combustible gas detector/alarm, gas detector, etc.
Testing method: on-site testing
Quotation data requirements:
1. Distribution diagram and quantity of equipment locations
2. Types of gas detectors (what types of gases are detected)
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