Digi-Sense 20250-20 User Manual
User Manual
THE STANDARD IN PRECISION MEASUREMENT
Professional Thermocouple Thermometer
with Four Type K Inputs, Data Logging,
and Optional Infrared Wand
with NIST-Traceable Calibration
Model 20250-20
Enter
REC
DIF
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Introduction
The Digi-Sense Professional Thermocouple Thermometer (Model 20250-20)
with Four Type K Inputs, Data Logging, and Optional Infrared Wand offers fast
response and high accuracy. This heavy-duty meter works with up to four type K
thermocouples and one optional infrared probe*. Advanced features include
data logging, USB interface, relative time clock, offset compensation, temperature differential, data Hold, Max/Min/Avg 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
Check individual parts against the list of items below. If anything is missing
or damaged, please contact your instrument supplier immediately.
1. Meter
2. Four type K flexible probes
3. USB cable
4. Software
5. Carrying case
6. One 9 V battery
7. User manual
8. NIST-traceable calibration report with data
*Optional infrared wand (model 20250-24) must be ordered separately.
Key Features
• Large backlit display shows any combination of T1, T2, IR, T3, T4, T1–T2 , T1–IR,
T2–IR, T3–T4, IR–T3, IR–T4; plus Max, Min, and Avg readings
• Relative time clock on Max/Min/Avg provides a time reference for major events
• Electronic Offset function allows compensation of thermocouple errors to
maximize overall accuracy
• USB interface
• Data logging capacity of 10,000 sampling points
• User-selectable readout in °C, °F, or Kelvin (K)
• 0.1°C / 0.1°F / 0.1 K resolution
• Automatic power-off mode conserves battery life
• Accepts a wide variety of thermocouple type K probes (up to four)
• Optional IR wand available for safe, noncontact temperature measurements
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Enter
REC
DIF
Meter Description
1. Thermocouple type K input (T1, T2, T3, T4)
2. LCD
3. Enter button
4. Up button
5. Rec/ button
6. °C/°F/K button
7. HOLD button
8. DIF/T1–T2–T3–T4 button
9. Power on/off button
10. MAX/MIN button
11. Setup /
Backlight button
12. IR input*
* Optional infrared wand (model 20250-24)
must be ordered separately.
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Display Layout
1. Primary temperature display
2. Tertiary display (IR temperature or recording
time)
3. Min:Sec or Hour:Min display
4. T1 or T3 temperature display
5. Thermocouple type icon
6. Infrared IR TEMP icon (requires Optional IR wand
sku number 20250-24)
7. SETUP mode icon
8. Offset icon
9. Auto power-off icon
10. Low-battery icon
11. T2 or T4 temperature display
12. MAX, MIN, AVG icons
13. Secondary display (T1, T2, T3, or T4 reading)
14. Temperature unit icons (K, °F, °C)
15. Data transmitting to PC icon
16. Recording (data logging) icon
17. Data HOLD icon
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