Specifications

• 	RANGE	RESOLUTION	ACCURACY
  pH	-2.00 to 20.00 pH	0.01pH	± 0.01 pH ± 1 LSD
  ORP	-2000 to 2000 mV	1.0 mV	±0.05% mV of rdg(range) ± 1 LSD
  Temp	-10.0 to 120.0 °C	0.1 °C	±0.5 °C ± 1 LSD

• General

  • pH temp compensation: Auto/manual -10.0 to 120.0 °C
  • pH buffer recognition: (4.01,7,10.01) or (4.00,6.86,9.18)
  • 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 4.01,9.18 or 10.01
  • Input impedance: >10exp(13) ohms
  • Power supply: Batteries or AC adapter
  • Calibration backup: Eeprom
  • Audio feedback: All touch keys
  • End point sensing & hold: Yes
  • LCD size (ph/mV:temp): 16 mm: 21 mm high LCD
  • Ambient temp. range: 0 to 50 °C
  • Relative humidity: Up to 95%
  • ATC probe: Thermistor,10k ohm
  • RS-232 communication: Bate rate 9600
  • Dimensions (w x d x h): 230 x 165 x 80 mm