Toxic gas alarm selection should be considered gas physical, corrosive, detector adaptability, stability, reliability, accuracy, environmental impact and service life, and according to the installation of the detector gas The cross-reactivity of the ingredients and the resistance provided by the manufacturer to the instrument cross-select the appropriate detector. The use of electrochemical detector, due to the temperature is too low will cause physical changes in the electrolyte, should pay attention to the use of temperature does not exceed the manufacturer's specified ambient temperature. When the ambient temperature is not suitable, measures should be taken or switch to other types of detectors. In the installation of gas alarm, especially when the installation of gas detectors is very important, in different environments have different gases have different installation requirements.
In the installation of gas alarm, especially when the installation of gas detectors is very important, in different environments have different gases have different installation requirements. The so-called open-air layout refers to the equipment layout without a plant, outdoor without a ceiling. Semi-outdoor layout means the device is arranged outdoors, but there is a ceiling above the device. The position of the combustible gas detector is when the detection point is located on the leeward side of the wind direction of the minimum frequency of the release source, that is, the point of detection is in the upwind direction of the release source all year round, and the distance is 5m from the lower limit of the diffusion distance.
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