Digi-Sense 90205-21 User manual

SPECIFICATIONS:

Display: Ǫ” LCD
Range: –58 to 572°F/

–50 to 300°C

Resolution: 0.1° for –20.0° to 200.0°

and 1.0° elsewhere

Accuracy: Cat. No. 4377 - ±1.0°C

between –20 to 100°C
Cat. No. 4368 - ±0.5°C
at tested points between –20 to 100°C
±1.0°C otherwise

Sampling
Rate: 1 second

Features: Clip and protective sleeve

CONTROLS/INDICATORS

ON/OFF, °F/°C, H/T (Hold/Test), MAX/MIN, HI
ALM (High Alarm) and LO ALM (Low Alarm)

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 ±1.0°C between –20 to
100°C.

OPERATION

1. Press “ON/OFF” button to turn on thermometer.

2. Press “°F/°C” button to select Fahrenheit or
Celsius.

3. Press the “H/T” (HOLD/TEST) button to retain
reading for recording purposes. Press the “H/T”
button again to resume testing.

4. Press “MAX/MIN” button ONCE. The minimum
temperature tested will display. Press again and
maximum temperature tested will display. The
display will return to testing position automati­cally after three seconds.

TEMPERATURE ALARM SETTING:

1. Press and hold the “LO ALM” or “HI ALM” button
for setting alarm at desired minimum or maxi­mum temperature limit. When near the desired
alarm setting release the button and increment
by one degree by pressing the button once
for each degree. When the set temperature is

achieved wait 3 seconds, and the temperature
will be set and the display will return to current
temperature. “LOW” or “HIGH” will show on the
display indicating the alarm has been set.

2. Alarm will sound 4 beeps per minute when the
measured temperature equals or is greater than
the maximum or less than the minimum set
values. To stop beeping, press any button while
the unit is beeping.

3. To delete the alarm setting, press the
“°F /°C” or “ON/OFF” button.

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

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battery power can occasionally cause any number

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BATTERY REPLACEMENT

Erratic readings, a faint display, no display, or a
battery icon on the display are all indicators that
the battery must be replaced. Remove the battery
cap by turning ¼ turn counter clockwise. Replace
exhausted battery with new 1.5 volt battery. Make
certain that the positive (+) side is face up. Replace
battery cap. Replacement battery Cat. No. 1039.

2-4377-0 Rev.  

TRACEABLE

FULL-SCALE

PLUS

THERMOMETER

INSTRUCTIONS

®

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