HM Digital Pen style pH/Temp meter

The PH-80 has proven to be the MOST reliable pH meter in its price range. It has become a favorite in such applications as hydroponics & gardening, pools & spas, aquariums & reef tanks, water ionizers, drinking water and more.

Features Measures pH and Temperature
One-touch automatic digital calibration
Water resistant
Simultaneous temperature display
Large LCD display
Automatic Temperature Compensation (ATC)
Auto-off function, data-hold function and low-battery indicator
Factory Calibrated: The PH-80 meter is factory calibration to pH 7.0.
Includes a translucent cap, batteries, storage solution and pH 7.0 buffer (powder)

Specifications
pH Range: 0 – 14
Temperature Range: 1-55 °C; 32-130 °F
Resolution: 0.1 pH; Temperature resolution is 0.1 °C/F
Accuracy: +/- 0.2 pH; Temperature accuracy is +/-2%
Calibration: Digital automatic calibration (one point)
Minimum EC/TDS: 10 µS/5 ppm
Electrode: Glass sensor and reference tube electrodes
Power source: 3 x 1.5V button cell batteries (model LR44 or equivalent; included)
Dimensions: 15.3 x 3.2 x 1.8 cm (6.0 x 1.3 x 0.7 inches)
Weight: 53.9 g (1.9 oz)