pH Checker Plus, pH 0-14 x 0.01

The Hanna pH Checker and pH Checker Plus provide fast and accurate readings from pH 0 to 14. These compact testers feature easy to read LCD displays and simple to perform one or two-point automatic calibration. The pH electrode of the Checker can be easily replaced, when required, by simply unscrewing the electrode from the meter body and screwing on a new one. The Checkers are fast, accurate, lightweight and have up to 1000 hours of battery life, so you don't have to worry about frequent battery replacement. Supplied complete with pH electrode.
Two versions are available: pH Checker, which has a resolution of 0.1 pH; pH Checker Plus, with a resolution of 0.01 pH.