Hanna Instruments HI-9813-51 pH Meter, 0.1pH Accuracy, 0.1pH Resolution, 14pH Max, +60 °C Max

The Hanna Instrument provides a versatile, water resistant multiparameter portable meter which is specifically designed for agriculture, hydroponics, greenhouses, and nurseries. It features an extra large LCD that clearly displays the parameter being measured as well as calibration instructions. This meter features a large LCD which displays either pH, EC, TDS or temperature readings along with tutorial instructions. The pH readings are displayed with a 0.1 resolution and an accuracy of ±0.1 pH.

Waterproof
Automatic temperature compensation
Simple calibration
Low battery indicator
Fast response multi-parameter probe