... prompt. 2.Viewing of Electrode Slope:After calibration, the meter will indicate electrode slope, you can judge by the indicator ... automatic temperature compensation.4.Keypad and Electrode Holder:The meter with waterproof panel,The user can not worry for ... Temperature Compensation 0~100oC, Manual0~100oC, Manual0~100oC, Automatic Power Requirements DC9V, using AC adapters, 220VAC, 50Hz Dimensions 210( ...