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11
Temperature Calibration
During the measurement process, if the temperature reading displayed differs from that of an accurate thermometer, the meter needs to be calibrated.
1.
Press and hold the
°C
key for 3 seconds to enter the temperature calibration mode.
2.
Press the
or
key to set the temperature value.
3.
Press the
Enter
key to confirm. Calibration is completed.
During the setting process, press the
or
key once, the setting value will increase or decrease by 0.1. Press and hold the
or
key, the
setting value will increase or decrease by 1.
DO901 Portable Dissolved Oxygen Meter