SPECIFICATIONS
Range:
–58 to 572°F (–50 to 300°C)
Resolution: 0.1° from –20° to 200°, 1° otherwise
Accuracy:
Cat. No. 4038 and 4039
±1.0°C between –20 and 100°C
Cat. No. 4339
±0.5°C between –20 and 100°C
at tested points, ±1°C otherwise
ULTRA™ THERMOMETER ACCURACY
Ultra™ thermometers are tested at selected test
points to be within tighter than normal tolerances
to assist in providing improved accuracy. Other
points will not necessarily fall within the same ac-
curacy as those found at the selected test points,
but will be within an accuracy of ±1 °C.
OPERATION
1. Press the ON/OFF button to turn the unit on.
Press the °F/°C button to switch between
Fahrenheit and Celsius.
2. Insert the probe into the material to be
measured and read the display.
3. Press the ON/OFF button to turn the unit off.
To conserve battery life, always turn the unit
off when not in use.
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