Huazheng HZSF-641, Руководство пользователя

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8
V.Remarks
1. The instrument should be placed in a safe position to prevent damage and avoid
severe vibration.
2.Before using the instrument, it should be charged in time.
When charging, just plug the power cord into the 220V socket. The instrument will
automatically charge without turning on the power switch. The charging time usually takes
more than 20 hours.
3. 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.
4. The instrument is calibrated once a year with standard gas. Can be sent to the
manufacturer or authorized unit for calibration to ensure accuracy.
5. When the concentration of SO2 and H2S in the test gas is high, the gas remaining in
the airway should be removed before the next measurement.
6. When the concentration of SO2 or H2S in the detected device exceeds the normal
value, it is recommended to measure twice to confirm the result.