This document provides warranty information for Hanna products, including warranty period, coverage, and procedure. It also provides preliminary examination, general description, functional description, and specifications of the product.
This document is the instruction manual for the Hanna Instruments HI 8757 (Celsius) and HI 8758 (Fahrenheit) portable microprocessor-based K-type thermocouple thermometers. These devices are specifically dedicated to educational purposes and feature automatic resolution switching, battery level indication, and a Battery Error Prevention System (BEPS). The manual details the preliminary examination of the instrument upon receipt.
| Measurement Range (°C) | -50.0 to 199.9°C / 200 to 1350°C |
|---|---|
| Measurement Range (°F) | -58.0 to 399.9°F / 400 to 2462°F |
| Resolution (°C) | 0.1°C (-50.0 to 199.9°C); 1°C above |
| Accuracy | +0.5% FS. |
| Battery Type | 1 x 9V (IEC 6LR61) |
| Dimensions | 180 x 83 x 40 mm |
All Hono Instruments meters are warranted for two years against defects in workmanship and materials.
Sensors and probes are warranted for a period of six months.
When the battery level is less than 10%, a warning symbol blinks on the display to indicate a low battery condition.
It is generally recommended to have all thermometers recalibrated at least once a year.