This document is the user manual for 20250-91, 20250-93, 20250-95 models of single-input thermometers. It mainly introduces the features of the products, including automatic backlight, maximum and minimum readings, and automatic power-off.
The Digi-Sense Professional Single-Input Thermometers (models 20250-91, -93, and -95) are designed for fast response and laboratory accuracy. These instruments feature automatic backlighting, Max/Min readings, data hold, and an electronic offset function to compensate for sensor errors. They are fully tested and calibrated to NIST-traceable standards.
| Sampling rate | Three times every two seconds |
|---|---|
| Auto power-off time | 15 minutes |
| Operating temperature | 32 to 122°F (0 to 50°C) |
| Weight | 6.2 oz (177 g) |
| Dimensions | 7" x 21⁄4" x 1" (17.8 x 5.7 x 2.6 cm) |
| Power source | One 9 volt battery |
| Accuracy (Thermocouple) | ±1 of reading + 1.8°F (1°C) below –148°F |
| Accuracy (Thermistor) | ±0.9°F (±0.5°C) from 32 to 158°F |
| Accuracy (RTD) | ±1.5°F (0.8°C) from –148 to 392°F |
It is recommended that Digi-Sense products are calibrated annually to ensure proper function and accurate measurements.
If no probe is plugged into the selected input or the probe is not connected properly, the display shows "- - - -".