Routine maintenance of fixed detectors

1. Keep the outside of the detector in good condition and clean. It is necessary to keep all parts free of dust and oil to prevent corrosion. When used in harsh environments such as dusty and corrosive gases, it should be cleaned and cleaned in time, especially the detection device should not be blocked by foreign objects.
2. The gas detector in use must not be subject to collision or impact, so as not to damage the internal components and cause malfunctions after being subjected to severe external forces.
3. The detector should pay attention to waterproofing. Waterproof covers should be installed in the outdoor and indoor areas that are easy to be washed by water or thick plastic should be used to wrap the non-detecting parts; waterproof and sealing measures should be taken if the connecting cable is higher than the detector.
4. The installation and wiring of the detector shall be carried out in accordance with the requirements specified by the manufacturer, and shall comply with the requirements for installation and wiring of explosion-proof instruments.
5. The detector is an explosion-proof and explosion-proof equipment, and should not be used beyond the specified scope. The detector must not be used in places containing sulfur. The detector should be used under conditions where the concentration of combustible gas is lower than the lower explosive limit, otherwise, the components may be burnt out.
6. Turn off the power when overhauling or moving, otherwise it will easily burn out the components.
7. Do not install the detector close to steam or oily smoke.
8. Do not immerse the detector in water or other liquids for use.
9. Do not use substances with pungent odors such as pesticides, paints, and large amounts of alcohol near the detector to avoid false alarms.
10. Avoid frequent high-concentration combustible gas impacting the sensor during use.
11. Under normal conditions, the service life of the combustible gas sensor is 2-3 years, and the toxic gas sensor is about 2 years. Incorrect installation, use or adverse environmental influences will reduce the sensitivity of the sensor and shorten its service life.
12. Detectors stored in an environment below 0°C should be placed in a room temperature environment for more than 2 hours before being energized for use.
13. Detectors that have not been used for a long time can only be used normally after powering on for 2 hours.
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