SEOH Checker Pocket Sized pH Meter

High accuracy with 0.01 pH resolution; Two point fast and accurate calibration; Usable with virtually any electrode that shares the same connector; 3000 hours of battery life; Small diameter probe fits easily into a test tube. The pH Checker series supplies users with fast and accurate readings from 0 to 14 pH with a resolution of 0.01 pH. This compact tester features an easy to read LCD and simple to perform two point calibration. The pH electrode of the Checker can be easily replaced. You only need to unscrew the electrode from the meter body and screw on a new one. The Checker is fast accurate lightweight and with 3000 hours of battery life you don't have to worry about frequent battery replacement. Included: HI 98103 Checker is supplied with pH electrode; batteries; and instructions. Specifications: Range: 0.00 to 14.00 pH. Resolution: 0.01 pH. Accuracy: ±0.2 pH. Calibration: manual: 2 points. Electrode: HI 1270 (included). Battery Type; Life: 1.5V (2): approximately 3000 hours of continuous use. Environment: 0 to 50 deg C (32 to 122 deg F); RH max 95%. Dimensions: 66 x 50 x 25 mm (2.6 x 2.0 x 1.0 inch) - without probe. Weight: 50 g (1.8 oz.) without probe. All measurements are approximate.