Specifications

• 	RANGE	RESOLUTION	ACCURACY
  pH	-2.00 to 16.00 pH	0.01pH	± 0.1% ± 1 LSD
  ORP	-1999 to 1999 mV	1 mV	± 0.1% mV ± 1 LSD
  Temp	-10.0 to 120.0 °C	0.1 °C	±0.5 °C

• General

  • pH buffer recognition: pH 7.00, 4.01, 10.01 or pH 6.86, 4.00, 9.18 
  • pH Temperature compensation: auto or manual -10.0°C to 120.0 °C 
  • pH buffer temperature range: 0°C to 60.0°C 
  • pH electrode offset recognition: ±90 mV at pH 7.00 or 6.86 
  • pH electrode slope recognition: ±30% at pH 4.00, 4.01, 9.18 and 10.01 
  • Input impedance: >10 exp(12) Ohms 
  • Temperature sensor: thermistor, 10 k Ohms at 25°C 
  • Power: 4 “AAA” batteries Battery life: ~1000 hours 
  • Calibration back-up: EEPROM 
  •  Audio feedback: all keys 
  •  End point sensing & hold: yes 
  •  Display (pH /mV : temp): 11mm : 7mm high LCD 
  •  Ambient temperature range: 0 to 50 °C 
  •  Relative humidity: up to 90% 
  •  Case: IP67 water-tight case 
  •  Dimensions (W x D x H): 75mm x 157mm x 35mm 
  •  Weight: 230 grams (batteries included)