HI2211 Benchtop pH/mV Meter offers precise measurement with a clear, easy-to-read display, automatic one or two-point calibration using 5 standard buffers, and temperature compensation. Includes refillable double junction glass pH electrode and separate thermistor temperature probe. Features mV mode for ORP electrode use, stability indicator, and convenient storage and recall of measurements. Ideal for laboratories requiring reliable and straightforward measurement.