A gas detector is an instrument that detects gas concentration. The instrument is suitable for hazardous locations where flammable or toxic gases exist, and can continuously detect the content of the measured gas within the lower explosion limit of the air for a long time. It can be widely used in various industries where flammable or toxic gases exist in gas, petrochemical, metallurgy, iron and steel, coking, electricity, etc. It is an ideal monitoring instrument to ensure the safety of property and personal life.
The incident particles ionize the gas between the high-voltage electrode and the collection electrode, and the generated electron ions drift toward the two poles under the action of the electric field. An output pulse is generated on the collection electrode, which is fed back to the measurement system as a specific electrical signal and displayed on the screen. (False. This is the principle of the gas nuclear radiation detector, not the principle of the combustible gas detector. The general principle of the combustible gas detector is to detect the measured gas electrochemically. The gas nuclear radiation detector uses the working gas to detect the incident Counters for the number of particles, things like Geiger counters, proportional counters, etc.)
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