Detector for detecting ammonia gas leakage

The utility model relates to the technical field of ammonia gas detection, and discloses a detector for detecting ammonia gas leakage, which comprises a detector main body, a protective cover plate is arranged on the front side wall of the detector main body, a clamping component is arranged at the top of the detector main body, and a connecting frame is arranged on the rear side wall of the detector main body. According to the detector for detecting ammonia gas leakage, the clamping assembly is arranged, and a disc, a clamping shaft, a connecting spring and a protective cover plate are matched, so that the clamping shaft can be clamped with a clamping hole in the outer part of the protective cover plate, and at the moment, the protective cover plate can shield a key and a screen on the front side of the detector main body, so that the key and the screen are prevented from being damaged by foreign matters; the ammonia gas detector can be arranged at other positions outside through the arrangement of a limitin