Specifications

• 	Range	Resolution	Accuracy
  pH	-2.00 to 16.00 pH	0.01 pH	± 0.01 pH
  ORP	-1999 to 1999 mV	1 mV	± 0.05 % full scale
  Temp.	-10.0 to 120.0 °C	0.1 °C	±0.3 °C

• General

  • pH buffer recognition: Selectable (4.01,7, 10.01) or (4.00,6.86, 9.1
  • pH calibration: 1point, 2 points or 3 points
  • pH temp. compensation: Auto/manual -10.0 to 120.0 °C
  • pH buffer temp. range: 0 to 60 °C
  • pH electrode offset recognition: ±90 mV at pH 7.00 or 6.86
  • pH electrode slope recognition: ±30% at pH 4.00,9.18 or10.01
  • Input impedance: Greater than 10exp(12) ohms
  • ATC probe: Thermister, 10 kilo ohms
  • End sensing & hold: Yes
  • Power backup: Memeory backup
  • Audio feedback: All touch keys
  • Display pH/me/temp: 12.5mm/7.5mm high LCD
  • Ambient temp. range: 0 to 50.0°C
  • Relative humidity: Up to 95%
  • Power supply: battery/adaptor: 6AAA batteries/ac adaptor
  • Battery life (alkaline): Greater than 400 hours
  • Dimensions: 83mm x 241mm x71mm
  • Weight: 350 grams (including not batteries)