User Manual
Digital Pocket Thermometer
with NIST-Traceable Calibration
Model 20250-32
THE STANDARD IN PRECISION MEASUREMENT
2
Introduction
The Digi-Sense Large-Head Pocket Thermometer (Model
20250-32) offers fast response and laboratory accuracy with
0.1°F (0.1°C) resolution over the entire measurement range.
Advanced features include °C/°F unit selection and
automatic power-off. The instrument is fully tested and
calibrated to NIST-traceable standards. Careful use of this
meter will provide years of reliable service.
Unpacking
Check individual parts against the list of items below.
If anything is missing or damaged, please contact your
instrument supplier immediately.
1. Pocket thermometer
2. One LR44 (1.5V) battery, installed
3. Protective sleeve
4. User manual
5. NIST-traceable calibration report with data
Key Features
• User-selectable °C or °F units
• Automatic power-off to conserve battery life
3
Meter Description
1. Protective cover
2. Temperature probe
3. LCD
4. °C/°F button
5. Power ON/OFF button
4
5
2
4
3
1
Setup and Operation
Power
1. Remove the thermometer from the protective sleeve.
2. Press the Power on/off button to activate.
Taking Measurements
Insert the stem of the thermometer at least
testing area.
Note: When the thermometer is initially powered on, the
LCD will display “- 0.0 °C” or “32.0 °F” for two seconds.
Then the actual temperature will display. To save battery
life, the thermometer will automatically turn off after
approximately 20 minutes.
Temperature Measurements
Press the °C/°F button to change the temperature
unit from °C to °F.
1
⁄2" into the
5
Specifications
Temperature range
Resolution
Accuracy
Display LCD
Response time 20 seconds
Auto power-off
Weight 1.5 oz (42.5 g)
Dimensions (L x W x D) 6" x 1
Power One LR44 (1.5V) battery
Full usable range: –40 to 482°F (–40 to 250°C)
NIST certified range: 32 to 482°F (0 to 150°C)
0.1°F (0.1°C)
1.5% ±4°F (±2°C) full scale
Unit shuts off automatically after 20 minutes
to preserve battery life
1
⁄2" x 11⁄8" (150 x 40 x 28 mm)
Maintenance, Recalibration, and Repair
Cleaning and Storage
• The thermometer should be cleaned with a damp cloth
and mild detergent when necessary. Do not use solvents
or abrasives.
• Store the meter in an area with moderate temperature
and humidity.
Battery Replacement
When the battery power falls low, open the battery
compartment on the rear of the unit and replace the
LR44 battery. Close the cover securely when finished.
6
7
It is recommended that Digi-Sense products are calibrated
annually to ensure proper function and accurate measure-
ments; however, your quality system or regulatory body may
require more frequent calibrations.
For Product and Ordering Information, Contact:
1065DGMAN_20250-32 Rev.1
Manual Part No. 00100-63
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