Specifications

• 	RANGE	RESOLUTION	ACCURACY
  pH	-2.00 to 16.00 pH	0.01 pH or0.001pH(selectable)	± 0.1% ± 1 digit
  mV	-1999 to 1999 mV	1 mV or 0.1mV(selectable)	± 0.1% ± 1 digit
  Ion	0.00 to 119.8 conc.,  over 3 ranges	0.05 to 0.2 conc.,  over 3 ranges	± 2 LSD
  Ion	0.00 to 25.00 conc.	0.05 conc.	± 2 LSD
  Ion	25.0 to 50.0 conc.	0.1 conc.	± 2 LSD
  Ion	50.0 to 119.8 conc.	0.2 conc.	± 2 LSD
  Temp.	-5.0 to 125.0 °C	0.1°C	± 0.5 °C

• General

  • pH buffer recognition model: 6250 - pH 7.00,4.01,10.01
    6250c - pH 6.86,4,
  • pH standardization: Dual point standardization
  • Ion standardization: Single or dual point standardization
  • pH temp. compensation: Auto/manual -5.0 to 125.0°C
  • pH buffer temp. range: 0 to 50.0°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 at 25°C
  • Communication: RS-232c output
  • Audio feedback: All touch keys
  • Display pH/me/temp: 15mm/7.5mm high LCD
  • Ambient temp. range: 0 to 50.0°C
  • Power supply: battery/adaptor: 6AAA batteries/ac adaptor
  • Power backup: Memeory backup
  • Battery life (alkaline): 25 hours or so
  • Dimensions: 83mm x 241mm x71mm
  • Weight: 450gms (batteries included)