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What gases can fixed combustible gas detectors detect?

2022-03-14View Original

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What gases can fixed combustible gas detectors detect? For example, our company currently has o-xylene; can a CH4 probe be used? It is still necessary to install a probe specifically designed to detect o-xylene.
Reply #22022-03-15
It is recommended to check GBT-50493-2019; When testing a single type of medium, the detector is calibrated using the standard gas corresponding to that medium. If the gas indicated on the detector as being used for detection is CH4, then methane is used as the standard gas for calibration; using it to detect xylene results in inaccurate readings. Based on personal experience, the error is approximately 5 times ; In this case, it only requires recalibration using xylene standard gas.
Reply #32022-03-15
Hello, the pump area I’m working with currently involves o-xylene, m-xylene, p-xylene, and p-chlorotoluene. If dedicated probes are used, does it mean that 4 probes need to be installed at each location on site?
Reply #42022-09-30
For combustible gas detectors, the effective coverage range is 10 meters outdoors and 5 meters indoors for each detector.
Reply #52022-10-10
Ortho, meta, and para – they are all one type of probe.
Reply #62022-10-10
Benzene wrapped in flammable cloth? ? We all set it as toxic.

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