Characteristic: 

1.With touching LCD displaying, operation easy;
2.To select one or more PH buffer solutions to calibrate the meter;

3.With more calibration functions (max/mum five points calibration);
4.RS-232 interface;
5.Protection from electricity cutting off;
6.Measuring results can be stored, deleted, viewed,communicated and printed.

Specification:

1. Measuring range:
pH: (-2.000~18.000)pH
mV: (-1999.9~1999.9)mV
        T:    (-5.0~105.0) °C
2. Accuracy :
pH:  ±0.002pH±1 bit
mV: ±0.03%(FS) ±1 bit
T:  ±0.2°C±1 bit
3. Resolution:
pH: ±0.001pH

        mV:±0.1mV
T:   ±0.1°C
4. Range of temp. compensation: (-5.0~105.0) °C
5.Measured solution temperature: (5~60) °C