User Manual Digital Pocket Thermometer Model 20250-32

User Manual Digital Pocket Thermometer Model 20250-32
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
3
4
5
2
4
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 1⁄2" into the
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.
5
Specifications
Temperature range
Full usable range: –40 to 482°F (–40 to 250°C)
NIST certified range: 32 to 482°F (0 to 150°C)
Resolution
Accuracy
0.1°F (0.1°C)
1.5% ±4°F (±2°C) full scale
Display
LCD
Response time
20 seconds
Auto power-off
Unit shuts off automatically after 20 minutes
to preserve battery life
Weight
1.5 oz (42.5 g)
Dimensions (L x W x D)
6" x 11⁄2 " x 11⁄8 " (150 x 40 x 28 mm)
Power
One LR44 (1.5V) battery
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 measurements; however, your quality system or regulatory body may
require more frequent calibrations. To schedule your recalibration, please contact InnoCal, an ISO 17025 calibration
laboratory accredited by A2LA.
Phone: 1-866-INNOCAL (1-866-466-6225)
Fax: 1-847-327-2993
E-mail: [email protected]
Web: InnoCalSolutions.com
For Product and Ordering Information, Contact:
Toll-Free: 1-800-323-4340
Phone: 1-847-549-7600
Fax: 1-847-247-2929
ColeParmer.com/Digi-Sense
1065DGMAN_20250-32 Rev.1
Toll-Free: 1-800-358-5525
Phone: 1-847-327-2000
Fax: 1-847-327-2700
Davis.com/Digi-Sense
Manual Part No. 00100-63
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