SPECIFICATIONS:
Display: ¼” LCD
Range: –58.0 to 536.0 °F (–50.0 to 280.0 °C)
Accuracy: Cat. No. 4149— ±1°C –20 to 100 °C
Cat. No. 4349— ±0.4°C –20.0 to 100.0 °C
at tested points, otherwise ±1°
Resolution: 0.1° above –20.0° and below 200.0°
1.0° below –20.0° and above 200.0°
Sampling
Rate: 1 second
Features: Protective sleeve with pocket clip, 8” stain-
less steel probe, 180 degree rotating digital
display, extra-wide temperature range.
CONTROLS/INDICATORS
°F/°C button and ON/OFF button.
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 accuracy as those found at the selected test points, but will
be within an accuracy of ±1° between –20.0 and 100.0°C.
OPERATION
1. Press the “ON/OFF” button to turn the thermometer on.
2. Press the “°F/°C” button to toggle between displaying the
temperature in Fahrenheit and in Celsius.
3. Remove the thermometer from the protective plastic sleeve
and insert the probe into the material to be measured.
4. The head of the thermometer rotates 180 degrees in order to
read the display at various angles.
5. Press the ON/OFF button to turn the unit off.
ALL OPERATIONAL DIFFICULTIES
If this unit does not function properly for any reason, replace the
battery with a new high-quality battery (see “Battery Replacement” section). Low battery power can occasionally cause any
number of “apparent” operational difculties. Replacing the battery with a new fresh battery will solve most difculties.
BATTERY REPLACEMENT
Erratic readings, a faint display, or no display are all indicators
that the battery must be replaced. Remove the battery cap by
turning ¼ turn counter clockwise. Replace exhausted battery with
a new 1.5 volt battery. Make certain that positive (+) side is face
up. Replace battery cap. Do not overtighten the cap.
5 Commonwealth Ave
Woburn, MA 01801
TestEquipmentDepot.com
© 2015 92-4149-40 Rev. 1 032415
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ROBO
®
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THERMOMETER
INSTRUCTIONS
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