Measurement, verification, and calibration of gas dilution mixing and distribution devices

The metrological verification and calibration of gas dilution mixing and distribution devices can be carried out in accordance with the current national metrological verification regulations for portable and fixed alarms such as oxygen alarms, carbon monoxide alarms, combustible gas alarms, ammonia alarms, hydrogen sulfide alarms, and composite alarms

Measurement, verification, and calibration of gas dilution mixing and distribution devicesApplicable standard

national standard:

GB12358-2006 General Technical Requirements for Workplace Gas Detection and Alarm Devices

Verification regulations:

JJG693-2011 Combustible Gas Detection Alarm

JJG 915-2008 Carbon Monoxide Detection Alarm

JJG695-2019 Hydrogen Sulfide Gas Detector

JJG 365-2008 Electrochemical Oxygen Analyzer

JJG1105-2015 Ammonia Gas Detector

JJF1263-2010 Sulfur Hexafluoride Detection and Alarm Device

JJF1711-2018 SF6 decomposition product detector

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application field

Legal metrology verification institutions, third-party metrology calibration companies, and inspection and testing institutions (CMA) verify, calibrate, and test gas alarms

Petroleum systems, steel, gas companies, chemical and other enterprises establish measurement standards for combustible and toxic gas alarms

Gas alarm manufacturers use it for factory inspection and calibration

Calibration of sulfur hexafluoride detector for power system

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Functional characteristic parameters

■Measurement, verification, and calibration of gas dilution mixing and distribution devicesCapable of verifying portable and fixed alarm devices such as oxygen detectors, carbon monoxide detectors, combustible gas detectors, ammonia detectors, hydrogen sulfide detectors, and composite detectors in accordance with the current national metrological verification regulations.

High concentration gas standard substances such as carbon monoxide, oxygen, hydrogen sulfide, methane, ammonia, hydrogen, isobutene, etc. can be formulated into single component gas standard substances of any concentration; Multi component gas standard materials can also be configured with any one to four types of gas standard materials

Valve distribution error ± 1%

■ Gas concentration: 1 × 10-8～10-2（mol/mol）

Output flow rate (0-2000) mL/min

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after-sales service

Provide the Measurement Traceability Certificate from the China Institute of Testing Technology

Provide gas alarm measurement standard building services and measurement authorization services

Provide qualification training certificates for calibration personnel, and have relevant experts provide detailed training