This document is an operating manual for Ohaus hand-held scale series. It introduces the use of hand-held scale, including battery installation, power on and off, unit selection, automatic shutdown, zero point calibration and zero point reset.
This manual provides operating instructions for the Ohaus HH 120 and HH 320 hand-held scales. It details the use of the four-button keypad for power, zeroing, unit conversion, and backlight activation. The document also explains the calibration process and lists the accessories supplied with the device.
| Capacity x Readability | 120.0 x 0.1g / 320.0 x 0.1g |
|---|---|
| Weighing units | g, oz, dwt, ozt |
| Power requirements | 2-AAA alkaline batteries |
| Auto shut-off | 6 minutes no activity |
| Optimum operating temperature | 18° to 26°C |
The scale requires two AAA size alkaline batteries.
Press the Light Button to turn on the EL back light for 10 seconds.
Press and hold the Unit/Cal button until CAL appears, then press On/Off to capture zero, place the calibration weight, and press On/Off again.