PH/ORP tester FPH221-C

portable

FEATURES pH: 1. 1 to 5 points push-button calibration with auto-buffer recognition. 2. Selectable pH buffer group or using the custom calibration solutions. 3. Automatic electrode diagnosis with pH slope and offset display. 4. Automatic Temperature Compensation provides accurate reading over entire range. 5. Calibration Due Reminder prompts user to calibrate the meter regularly. ORP: 1. 1 point offset calibration allows adjusting the displayed value to a known standard. 2. Relative and absolute milivolt modes provide the reliable ORP meas