The Extech PH220 waterproof pH/mV meter is a microprocessor-based device that is ideal for field use. It simultaneously displays pH and temperature and has features such as a protective holster and built-in memory.
This manual provides instructions for the Extech PH220 waterproof palm pH meter, a microprocessor-based device designed for field use. It features a dual LCD display for simultaneous pH and temperature readings, automatic temperature compensation (ATC), and a built-in memory capable of storing up to 25 readings.
| Range (Resolution) Accuracy mV (ORP) | ± 1999 mV DC (1 mV) ± 2mV |
|---|---|
| Temperature Range | 32 to 212°F (0 to 100°C) |
| pH Range | 0.00 to 14.00pH (0.01pH) |
| pH Accuracy | ± 0.02pH |
| Power Source | 9 volt alkaline battery |
| Built-in Memory | 25 readings |
| Dimensions / Weight | 4.25 x 3.00 x 1.18" (108 x 75 x 30mm) / 4.8 oz. (135g) |
The instrument has the ability to store up to 25 measurement readings.
With the power on, press and hold the on/off button for 2 seconds until 'oFF and AtP' displays.