This is the user's guide of Extech's Big Digit Remote Probe Hygro-Thermometer. It contains the product features and usage methods, including temperature, humidity adjustment and calibration function, as well as the remote probe usage method.
This user guide explains how to operate the Extech 445715 Big Digit Remote Probe Hygro-Thermometer, including battery replacement, unit switching, and max/min functions. It also details calibration procedures using reference bottles or a humidity chamber. The device measures temperature and humidity with specified accuracy ranges and includes a wall mount and remote probe for flexible use.
| Temperature Range | -10 to 60 °C |
|---|---|
| Temperature Accuracy | +1.0 °C within -10 °C to 50 °C |
| Humidity Range | 10% to 99% |
| Humidity Accuracy | +4% RH within 25% to 85% RH |
| Battery Type | 1.5V 'AAA' cell |
Use the temperature units switch located in the battery compartment.
The basic instrument is warranted for one year from date of shipment; sensors and cables have a six-month limited warranty.