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Rule 1 : Before using
1.Checking the measure range of the thermometer: Estimate the temperature of the measured media. If the estimated temperature is over the max range of the thermometer or lower the min range of the thermometer , should change the thermometer with the suitable range.
2.Clear the minimum division for reading the tempearture fast and correct.
Rule 2: During the measurement
1.Put the sensor part in the media completely , do not touch the bottom or wall of the container.
2.Waiting for reading until the pointer is stable
3.Do not take the thermometer from the media during reading the temperature .Keep the level with the dial when reading the temperature .