Oakton Type J - Canceling a Field Calibration14

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compensate for t hermocouple drift.
1. Pack
sensing end of probe in a
container
tig h tl y packed wi t h crushed
ice
and fill ed wi t h di still ed water.
All
ow temperatur e to stabiliz e.
2.
Press and hold the cal key for 3
seconds
to en ter the calibra ti on
mo de, the CAL annuncia tor on t he
display starts blinki ng. Release th e
cal
key .
3. If the
measured temperat ure is from
-
10° C to 10°C (14 to 50°F ) , when th e
temperatur e reading is sta b le, press
the cal ke y.
T he CAL indi cator will sto p blinking and
th
e reading will be se t to 0°C (32°F).
T
he CAL indica tor will remain turned on,
indicating a fiel d calibra tio n is active.
If “Err CAL” is displaye d, either the
displayed reading is out side th e above
limits
or the batteries are we ak.
16. CANCELING A FIELD
CALIBRATION
1. T urn the thermometer off.
2.
Hold th e cal key down while pressing
the on/off
key .
T
he field calibra tion is cancelled and the
thermometer reverts to the defa u lt factor y
calibratio n. T he CAL annunciator is now
turned off.