Share the introduction of basic parameters of portable toxic gas detector.
Publication Date:2021/06/02Portable toxic gas detectors are widely used to produce toxic and harmful gases and poisoning hazards, especially in limited space operating environments, such as underground pipelines, basements, tunnels, sewers, culverts, mines, sewage pools (wells), Biogas digesters, cesspools, storage rooms, cabins, etc., effectively helping field staff to detect toxic and harmful gases correctly and quickly.
Today, let us understand the basic parameter factors of portable toxic gas detectors.
1. interference between sensors.
Generally, the sensor and the detected gas have a 1 relationship. However, in the multi-gas detector, one of the gas sensors is used, and other gases interfere with the sensor. Under the premise of understanding the site, the multi-integrated gas detector should be used correctly to ensure correct detection results.

2. the life of the sensor.
Strictly speaking, the life of gas sensors is different. Generally, the use time of the combustible gas sensor is longer, the life of the electrochemical specific gas sensor is shorter, and the life of the oxygen sensor is shorter, and it needs to be replaced for about 1 year.
3. the check range.
Each sensor has its detection range. If the detection range is exceeded, the detector cannot detect toxic and harmful gases. When we use it, we should also know its measurement procedure.
For example, the normal range of portable combustible gas detector is 100%LEL. If it is used in an environment with more than 100%LEL, it may burn the sensor inside the body and affect the detection. Toxic gas detectors working at high concentrations for a long time can also damage the sensor. The use of gas detectors in overrun will seriously affect the normal detection of the instrument.
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