Hanna Instruments HI-9812-51 pH Meter, 0.1pH Accuracy, 0.1pH Resolution, 14pH Max, +70 °C Max

The Hanna Instrument provides a HI-9811-51 series of meters consist of a pH/EC/TDS and temperature instrumentation for agriculture, greenhouse and hydroponics applications. These meters feature a large LCD which displays temperature readings along with tutorial instructions. It consist of a pH readings which displayed with a 0.1 resolution and an accuracy of ±0.1 pH and 2% full scale accuracy.

Waterproof
Automatic temperature compensation
No probe changes are required when switching your measured parameter between pH, conductivity and TDS
Low battery indicator