Toxic gases have always been a safety hazard around us, so the correct measurement of toxic gas detectors can ensure our safety. So what are the classifications of toxic gas detectors?
1 portable toxic gas detector
The instrument integrates sensors, measuring circuits, displays, alarms, rechargeable batteries, air pump, etc. into a single housing, making it an integrated instrument that is compact and lightweight, easy to carry, pumped and sampled, and can be tested anytime, anywhere.
The pocket-sized instrument is a kind of portable instrument. Generally, there is no diffusion pump for sampling, and the battery is powered by a dry battery.
2 fixed toxic gas detector
This kind of instrument is fixed at the scene, and it automatically detects the corresponding harmful gas (vapor) continuously, and the harmful gas exceeds the limit automatically alarm, and some can also automatically control the exhaust fan. Stationary instruments are available in both integrated and split versions.
Integrated fixed harmful gas detector: Like portable instruments, the difference is that it is installed in the field, 220V AC power supply, continuous automatic detection of alarms, mostly for diffusion sampling.
Split-type fixed toxic gas detector: sensor and signal transmission circuit are assembled in an explosion-proof housing, commonly known as probe, installed on site (hazardous location); the second part includes data processing, secondary display, alarm control and power supply, assembled into The controller, commonly known as the secondary instrument, is installed in the control room (safe place). Probe diffusion sampling detection, secondary instrument display alarm.
This is the classification of the toxic gas detectors used by the method of use. With this knowledge, we can save a lot of trouble in future purchases.
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