Key Points for the Use of Four-in-One Gas Detectors
1. Charge the four in one gas detector before first use. It is recommended to charge the detector every working day to ensure its battery life.
2. If the combustible gas sensor has been exposed to any catalyst pollutants/toxins (such as sulfides, silicon vapors, halogen compounds, etc.), it is recommended to test it with a standard gas of known concentration.
3. Before the first use, the four in one gas detection instrument should be calibrated. Afterwards, regular calibration should be carried out based on the usage and exposure of the instrument to harmful gases or pollutants. It is recommended to calibrate every 180 days (6 months).
4. It is recommended to conduct a "shock test" on the sensor of the four in one gas detector before daily use, which involves exposing it to gas with a concentration exceeding its upper limit alarm point to confirm that the detector can respond to the gas and activate auditory and visual alarms. If the reading of the detector exceeds the specified range, it should be calibrated.
5. In certain environments, electromagnetic interference may cause the instrument to malfunction - precautions for using a four in one gas
detector!
6. Avoid using combustible gas. Gas sensors are exposed to lead containing compounds, silicone resin, and chlorinated hydrocarbons. Although some organic vapors (such as leaded gasoline, halogenated hydrocarbons) may temporarily stop the sensor from working properly, in most cases, its function can be restored through calibration.
7. The sudden rise and then fall or unstable reading of the four in one gas detector may indicate that the concentration of a gas exceeds the upper limit of the range, which may be dangerous.
