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Summary of Contents for Digi-Sense 20250-91
- Page 1 User Manual 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 THE STANDARD IN PRECISION MEASUREMENT...
- Page 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.
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Page 4: Key Features
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 •... -
Page 5: Meter Description
9. Up () button 4. MIN button 10. Temperature sensor 5. User-selectable temperature input units (all models); backlight 11. Type JKT button button (20250-91 only) (20250-91 only); 6. Power on/off button backlight button (20250-93 and -95 only) 20250-91 20250-93 and -95... -
Page 6: Display Layout
Display Layout 1. Thermocouple type JKT icon (20250-91 only) 2. HOLD icon 3. Low-battery indicator 4. User-selectable temperature units (°C or °F) 5. Primary display (current or Hold readings) 6. MAX icon 7. MIN icon 8. Secondary display (Max or Min readings) -
Page 7: Setup And Operation
J, K, or T. Backlight Function 1. Press Backlight/°C/°F button for 2 seconds to turn on or off the backlight (20250-91 only). 2. Press Backlight button to turn on or off the backlight (20250-93 and -95). Temperature Units Function 1. - Page 8 Setup and Operation (continued) Hold Function 1. Press the HOLD button to freeze the readings on the display. The display shows the HOLD icon. 2. Press the HOLD button again to turn off the Hold function. 3. The Hold function does not freeze the Max or Min function or stop the meter from updating.
- Page 9 Offset/Calibration Function Using the Offset to Adjust for Probe Errors Use the offset/calibration function to adjust the meter’s readings to compensate for the errors of a specific sensor. The allowable adjustment range is ±9.0°F or ±5.0°C. 1. Plug the probe into the meter’s input connector. 2.
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Page 10: Specifications
Specifications Range Resolution Accuracy Thermocouple meter 20250-91 Type J: –328 to 1832°F (–200 to 1000°C) ±1 of reading + 1.8°F (1°C) 0.1°F (0.1°C) from –148 to Type K: –418 to 2501°F below –148°F (–99.9°C); 1832°F (–99.9 to 999.9°C); (–250 to 1372°C) ±1 of reading + 0.9°F (0.5°C) - Page 11 Note: If you do not intend to use thermometer for a long time, remove the batteries. 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.
- Page 12 For Product and Ordering Information, Contact: sales@novatech-usa.com www.novatech-usa.com Tel: (866) 433-6682 Fax: (866) 433-6684 Tel: (281) 359-8538 Fax: (281) 359-0084 1065DGMAN_20250-91,-93,-95 Manual Part No. 00100-21...
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