Specifications

• 	RANGE	RESOLUTION	ACCURACY
  pH	0.0 to 14.00	0.01	± 0.01 pH
  Conductivity	0 uS/cm to 20.00 mS/cm	1 uS / 0.01 mS	± 1 FS
  TDS	0 mg/L to 20.00 g/L	1 mg/L / 0/01 g/L	± 1 FS
  Salinity	0.0 to 10.0 ppt	0.1 ppt	± 1 FS
  Temperature (°C)	-5.0 to 60.0 °C	0.1 °C	± 0.5 °C
  Temperature (°F)	23 to 140 °F	0.1 °F	± 0.9 °F
  pH calibration	1, 2 and 3 point calibration. Uses USA and NIST buffer sets
  Conductivity calibration	1 point calibration
  Temperature compensation range	-5.0 to 60.0 °C
  Reference temperature	15 °C to 25 °C
  Temperature coefficient	0.00 to 4.00 % ,Default at 1.91%/ °C
  TDS coefficient	0.30 to 1.00. Default at 0.65
  Temp sensor	Thermistor, 10k ohms, at 25 °C
  Temp unit	°C and °F
  Display	Graphic LCD
  Storage of calibration data	Yes
  Data memory storage	50 sets
  Auto shutoff	After 10 minutes of inactivity
  Power	4 x LR-44 batteries
  Working environment	0 to 50 °C, relative humidity < 95%
  Dimensions	200 × 44 × 25 mm
  Weight	About 110g (excluding batteries)