Automatic Potentiometric Titrator, "Hanna Instrument" Model HI932, mV Range: -2000.0 to 2000.0 mVpH Range: -2.000 to 20.000 pH; -2.00 to 20.00 pH; -2.0 to 20.0 pH, Temperature Range: -5.0 to 105.0°C; 23.0 to 221.0°F; 268.2 to 378.2K, dimensions: 315 x 205 x 375 mm, unused, still in the box