1. The instrument should be placed in a safe place to prevent it from being broken and avoid violent vibration.
2. Before using the instrument, it should be charged in time.
3. When charging, you only need to connect the power cord to the 220V socket, without turning on the power switch, the instrument will automatically charge, and the charging time generally takes more than 20 hours.
4. When the instrument is not in use, it should be placed in an aluminum alloy packaging box and placed on the test bench or instrument rack to prevent dust and moisture.
5. The instrument is calibrated with standard gas once a year. Can be sent to the manufacturer or authorized unit for calibration to ensure accuracy.
6. When the concentration of SO2 and H2S in the detection gas is high, the gas remaining in the air duct should be removed before the next measurement.
7. When the SO2 or H2S concentration in the equipment is detected to exceed the normal value, it is recommended to measure twice to confirm the result.