Common faults and solutions of combustible gas detectors
1. The construction process is not standardized
If the flammable gas detector is not located near the equipment that is prone to leakage, or is installed adjacent to the exhaust fan, the leaked gas cannot fully diffuse to the vicinity of the flammable gas detector, so that the dangerous leakage cannot be flammable in time. Sexual gas detector detection. If the flammable gas detector is not reliably grounded, it cannot eliminate electromagnetic interference, which will inevitably affect the voltage and cause inaccurate detection data. Therefore, the flammable gas detector should be reliably grounded during the construction process. The flammable gas alarms and wiring terminals are located in places prone to collision or water entry, resulting in open circuit or short circuit of electrical circuits. Welding must use non-corrosive flux, otherwise the joints will be corroded and detached or the line resistance will increase, which will affect the normal detection. Do not drop or drop the detector on the ground. Debugging should be carried out after construction to ensure that the body alarm is in normal working condition.
2. Improper use by users
When the user uses the gas detector, install the air conditioner and heating equipment close to the combustible gas detector. When using the air conditioner and heating equipment, if the cold and warm air flow directly through the alarm, it may cause the alarm platinum There is an error in the change of the resistivity of the wire, so the alarm should be kept away from the air conditioner and heating equipment to avoid malfunction caused by improper setting. Users should also pay attention to preventing electromagnetic interference when using the combustible gas detector. The installation position, installation angle, protective measures and system wiring of the body alarm should be protected against electromagnetic interference. When using the combustible gas detector, users should pay attention to factors that may cause failure, such as dust, high temperature, humidity, rain, etc.
When an exhaust fan needs to be installed in the field where the combustible gas alarm is installed, if the exhaust fan is installed adjacent to the combustible gas detector, the leaked combustible gas will not be able to fully diffuse to the vicinity of the combustible gas alarm, resulting in failure to detect in time. Yi missed the fighter. When using the flammable gas detector, users should also pay attention to avoid places where high temperature, high humidity, steam and oil fumes can be reached. Do not place or hang objects on the detector. The installed flammable gas detector cannot move the position of the device arbitrarily. When using the alarm, users should try to choose products with replaceable sensor probes for ease of use.
3. Maintenance of the body detector to detect the concentration of the body
The working environment of flammable gas detectors is relatively harsh, and many are installed outdoors. Poor maintenance will lead to errors or no detection of flammable gas detectors. Therefore, regular cleaning and maintenance of the combustible gas detector is an important task to prevent failures.
The grounding should be checked regularly. If the grounding fails to meet the standard requirements, or is not grounded at all, the flammable gas detector will also be susceptible to electromagnetic interference and cause failure.
It is recommended to perform response detection on the standard gas used in the instrument before various instruments are used to ensure that the instrument truly plays a protective role. Flammable gas alarms and toxic gas alarms are also measured by a relative method like other analytical testing instruments: first, use a zero gas and a standard concentration of gas to calibrate the instrument, and get the standard curve and store it in Among the instruments, during the measurement, the instrument compares the electrical signal generated by the gas concentration to be measured with the electrical signal of the standard concentration, and calculates the accurate gas concentration value. Therefore, zero calibration of the instrument at any time and frequent calibration of the instrument are to ensure the accurate measurement of the instrument.
The gas detector can continuously and quickly detect the gas concentration in the surrounding environment or closed space. The instrument has the advantages of fast response speed, high measurement accuracy, good stability and repeatability, and the performance of the whole machine ranks at the leading level in China. The shell of the instrument is made of high-strength engineering plastic, and its shape design and dazzling color matching redefine the detection method of gas concentration; in addition, the friendly operation interface and the recovery function of misoperation bring users an intelligent gas detector New Experience.
