the distance between the ammonia gas detector and the release source:

1. in general, when the toxic gas is slightly lighter than the air, the ammonia gas detector detector should be installed above the release source. when the toxic gas is slightly heavier than the air, the detector shall be installed below the release source.

2. the gas release source is located in the equipment area arranged in the open air or semi-open air. when the detection point is located on the windward side of the small frequency wind direction of the release source, the distance between the probe of the ammonia detector and the release source should not be greater than 2m.

3. when the detection (detection) point of the ammonia detector is located on the downwind side of the low frequency wind direction of the release source, the distance between the probe and the release source should be less than 1m.The toxic gas release source is located in the closed or semi-closed plant, and the distance between the ammonia detector probe and the release source should not be greater than 1m.