Press and hold down the
HOLD
button for approximately 8 seconds until “CAL” is displayed. “CAL” will
display for approximately 2 seconds and then the 310C will return to normal operation. Calibration is complete.
Note: If the temperature reading was not within 23°F to 41°F (-5°C to 5°C) when step 3 was performed no
change in calibration occurred. The 310C was designed with this feature to prevent improper calibration.
This Instrument
Is in compliance with EN 50 081–1:1992, EN 50 083-1:1992, IEC 801-2:1984, IEC 801-3:1984, IEC 801-
4:1988,
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