KL-98102 portable pH Meter

Product description Designed with a 0.01 pH resolution and one-point manual calibration through easy-to-reach trimmers, it immediately displays pH variations to reflect the smallest change in the sample. With only two operation buttons, it allows immediate and precise response in a concise design. This is a rugged unit that can be used again and again. The probe is even durable enough to be used as a stirrer. The HOLD button will freeze the display reading for your documentation requirements. Measuring range: 0.00-14.00PH Resolution: 0.01PH Accuracy: 0.1pH( @ 20 ) ; 0.2PH Power Supply: 3 1.5V( AG13) Operating Temperature: 0 ^ 50 Dimensions: 97mm 29mm 36mm Weight: 200g