
User Manual
THE STANDARD IN PRECISION MEASUREMENT
Infrared Thermometer
with 10:1 Distance-to-Sight Ratio
with NIST-Traceable Calibration
Model 20250-04

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Introduction
The Digi-Sense Infrared Thermometer (Model 20250-04)
with 10 to 1 distance-to-sight ratio offers fast response
and high accuracy. Advanced features include data Hold,
Max/Min readings, and auto 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. Meter
2. One 9 V battery
3. User manual
4. NIST-traceable calibration report with data

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Key Features
• 10:1 Distance-to-sight ratio
• 2.5% basic accuracy
• Fixed emissivity (0.95)
• Precise noncontact measurements
• Laser sighting
• User-selectable °C or °F units
• Automatic data Hold
• MAX/MIN temperature displays
• Automatic selection range and display resolution
• Trigger lock
• Backlight LCD
• Automatic power-off to conserve battery life

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Meter Description
1. IR sensor
2. Laser pointer beam
3. LCD
4. °C/°F button
5. MAX/MIN button
6. Laser / Backlight button
7. Measurement trigger
8. Battery cover
9. Handle grip
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