Model PH51: An accurate and reliable waterproof handheld pH/°C tester you can depend on, made by Milwaukee Instruments.
The Milwaukee Sharp pH51 model provides a range of 0.0 - 14.0 pH with a resolution of 0.1 pH. It offers manual calibration of 2 points and is accurate at ± 0.1 pH. Environment 0 – 50°C / 100% RH.
The Sharp pH51 has a battery life of 1500 hours of continuous use. Takes three (3) 1.5V batteries which are included.
Has replaceable probe and double junction pH glass electrode (part #MA73600). Includes carrying case. Two year warranty.