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Easy, user-friendly operation pH/C electrodes are connected via a single plug-in connection Robust and splashwater-proof (IP 54) Easy-to-read large 2 line display Latest probe technology for almost every application Displays calibration data and error messages pH and temperature meter in one Measures 168 mm length by 72 mm width by 27 mm height Measuring range: 0 to 14 pH Accuracy: +/-1 digit +/-0.01 pH (0 to +14 pH) Resolution: 0.01 pH Operating temperature: 0 to 40° C Storage temperature: -20 to 70° C Battery life: 100 h manual -10 to +150° C; auto -50 to +150° C temperature compensation

pH universal set include analysis instrument with 2 electrode clips and battery Testo buffer set pH 4 and 7, 50 ml each, universal plastic electrode with temperature sensor plastic set case and batteries Testo 230 combines a complete pH measuring instrument and a high standard thermometer in a compact, waterproof housing The instrument has automatic temperature compensation and can be calibrated in the pH range with standard and also with DIN buffers Measures 168 mm length by 72 mm width by 27 mm height Measuring range: 0 to 14 pH Accuracy: +/-1 digit +/-0.01 pH (0 to +14 pH) Resolution: 0.01 pH Operating temperature: 0 to 40° C Storage temperature: -20 to 70° C Battery life: 100 h manual -10 to +150° C; auto -50 to +150° C temperature compensation Battery type: 9V block battery Material/housing: ABS Display: LCD, 2 lines