
User Manual
THE STANDARD IN PRECISION MEASUREMENT
Single-Input Thermometers
with NIST-Traceable Calibration
Thermocouple Meter, Type J/K/T Input
Model 20250-91
Thermistor Meter
Model 20250-93
RTD Meter
Model 20250-95

3
Introduction
The Digi-Sense Professional Single-Input Thermometers
(20250-91, -93, -95) offer fast response and laboratory
accuracy. Features include automatic backlight, Max/Min
readings, 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
Carefully unpack the instrument and accessories from shipping package. Check individual parts against the list of
items below. If anything is missing or damaged, please
contact your instrument supplier immediately.
1. Meter
2. Soft carrying case
3. Lanyard
4. One 9 volt battery
5. User manual
6. NIST-traceable calibration report with data

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Key Features
• Large backlit display
• Max and Min readings
• Data Hold
• Electronic Offset function allows compensation
of errors to maximize overall accuracy
• User-selectable readout in °C or °F
• Automatic power-off (sleep) mode to conserve
battery life
• Accept a wide range of probes