This manual provides you with the necessary information for correct operation of the meter.
The Hanna Instruments HI 83140 is a hand-held portable meter designed for simplicity in taking pH, mV (ORP), and temperature measurements. It features a membrane keyboard for easy selection of ranges and includes a Probe Check feature to monitor electrode status. The device comes with a built-in temperature sensor for automatic compensation and a low battery detector.
| pH Range | 0.00 to 14.00 |
|---|---|
| mV Range | ±1999 |
| Temperature Range | 0.0 to 100.0 |
| pH Resolution | 0.01 |
| Battery Type | 1 x 9V alkaline |
| Dimensions | 164 x 76 x 45 mm |
| Weight | 250 g |
It is recommended to recalibrate at least once a month, whenever the electrode is replaced, or after testing aggressive chemicals.
If the reading is around pH 4.0 during the check, the probe is broken and has to be replaced.
The meter displays a blinking additional decimal point on the left side of the LCD.