Key facts
- Brand
- EXTECH
- Model
- PH220
- Category
- Other Electronics
- Documents
- 3
- Languages
- EN
- Last added
- 2023-03-13
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Extech PH220 Waterproof pH Meter User Manual
This manual provides instructions for the Extech PH220 waterproof pH/mV meter, a microprocessor-based device ideal for field use. It features a dual LCD display for simultaneous pH and temperature readings, a built-in memory for 25 readings, and automatic temperature compensation (ATC). The device is powered by a 9V alkaline battery and includes a rubber holster with a magnetic backing for convenient mounting.
Read onlineEXTECH PH220 specifications
| pH Range | 0.00 to 14.00pH |
|---|---|
| mV Range | -1999mV to 1999mV |
| Temperature Range | 32 to 194°F (0 to 90°C) |
| Memory Capacity | 25 readings |
| Power Source | 9 volt alkaline battery |
| Dimensions | 4.25 x 3.00 x 1.18" |
All EXTECH PH220 documents by type
Day-to-day operation, settings and troubleshooting. Start here if the product is already set up.
Ratings, dimensions and ordering codes, for selection and design work.
Questions answered in these manuals
How often should the pH meter be calibrated?
To obtain the most accurate results possible, a pH meter should be calibrated at least once each day.
What happens if the electrode is disconnected during measurement?
The display will show 'HHH' to indicate an open input condition.
How many readings can the meter store?
The instrument has the ability to store up to 25 measurement readings.
From: EXTECH INSTRUMENTS PH220A Waterproof Palm pH Meter user manual
How do I disable the Auto Power OFF feature?
With the power on, press and hold the on/off button for 2 seconds until 'oFF and AtP' displays.
From: EXTECH INSTRUMENTS PH220A Waterproof Palm pH Meter user manual
What is included in the PH220-C kit?
The kit includes the waterproof meter, a cabled pH electrode (ATC polycarbonate, 12mm diameter with 39" cable), protective holster, pH 4 & 7 buffers, and a 9V battery.
What is included in the PH220-S kit?
The kit includes the waterproof meter, a stick type pH electrode (ATC polycarbonate, 12mm diameter), protective holster, pH 4 & 7 buffers, and a 9V battery.