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.
 
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)