Portable pH/ORP meter with automatic or manual temperature compensation (between 0 and 100 ° C). Range: -2.00 – 20.00 pH, accuracy ± 0.01 pH. ORP range: ± 1.999 mV, accuracy ± 1 mV. BNC standard connector for pH or redox electrodes and Phone Plug (3.5 mm) for the CAT probe. Up to 3 calibration points according to the USA (pH 4.01, 7.00 and 10.01) or NIST (pH 4.01, 6.86 and 9.18). Backlit LCD screen and auto-off function. Stability indicator that recognizes the measurement as stable and expanded memory with a capacity of 100 transferable readings via USB interface. Indication of the electrode calibration slope that helps the user to decide when to replace it. Power supply 3 x 1,5 V AA batteries (included) or DC5V adapter (not included). Includes transport case, buffer solutions (pH 4.01 and 7.00), METRIA PHEL-GB1-001 (maximum service temperature 80 ºC) electrode and ATC probe. Warranty 2 years