8689 Digital pH Meter
  • 8689 Digital pH Meter

8689 Digital pH Meter

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High accuracy, compact IP65 waterproof housing with replaceable electrode.
This Digital pH pen displays both temperature and pH simultaneously on a dual LCD display.
The 8689 features automatic temperature compensation for accurate readings and includes easy one touch calibration.

Delivery time approx. 2 weeks



- Dual LCD displays temperature and pH measurements
- User selectable °F or °C
- Automatic temperature compensation
- One touch calibration with adjustable points
- Easily replaceable pH electrode module
- Data hold function
- Waterproof housing (IP65)
- Protective cap keeps sensor moistened
- Low battery indicator and auto shut off

What's included with the REED 8689

- Digital pH Meter/Pen
- Protective Cap
- Wrist Strap
- Batteries

Resources REED 8689 Digital pH Meter / Pen, 0.00 to 14.00 pH, Waterproof:

Technical data


Accuracy ±1.8°F (1°C)
Resolution 0.1°F/°C
pH -
Measuring Range 0.00 to 14.00
Accuracy. ±0.05 pH
Resolution. 0.01 pH

General Specifications

- Display Dual Display, LCD
Data Hold Yes
Auto Shut-off Yes (after 20 mins)
Waterproof Yes (IP65)
Low Battery Indicator Yes
Power Supply 4 x LR44 Cell Batteries
Product Certifications CE
Operating Temperature 32 to 140°F (0 to 60°C)
Storage Temperature 14 to 140°F (-10 to 60°C)
Operating Humidity Range 10-80%
Dimensions 6.9 x 1.5 x 1.5" (176 x 39 x 39mm)
Weight 3.9 oz (110 g)
Manual English / French

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