... displaying, operation easy;To select one or more PH buffer solutions to calibrate the meter; Characteristic: 2.To ... select one or more PH buffer solutions to calibrate the meter;4.RS- ... be stored, deleted, viewed,communicated and printed. Specification: pH: (-2.000~18.000)pHmV: (-1999.9~1999. ... FS) ±1 bitT: ±0.2°C±1 bit3. Resolution:pH: ±0.001pHT: ±0.1°C4. Range of temp. ...