pH Mode  
Range -2.000 to 20.000
Resolution 0.1, 0.01, 0.001
Relative Accuracy ±0.002
Calibration Points up to 5
ISE Mode  
Range 0 to 19999 in ppm, M, mg/L, %, ppb or unitless
Resolution up to 3 significant digits
Relative Accuracy ±0.2mV or ±0.5% of reading, whichever is greater
Calibration Points up to 5; Calibration point editing, timed nd point, linear point to point, non-linear selectable auto-blank, low concentration range stability
mV Mode  
Range ±2000.0
Resolution 0.1
Relative Accuracy ±0.2mV or ±0.05% of reading whichever is greater
Calibration Points 1
Temperature Mode  
Range 23° to 221°F (-5° to 105°C)
Resolution 0.1
Relative Accuracy ±0.1
Display Graphic LCD; simultaneous display of measurement, temperature, date/time, and more
Inputs BNC, reference pin, 8-pin mini-DIN
Data Management 2000 points with date/time stamp
Relative Humidity 5 to 85% non-condensing
Output RS-232, USB
Power Supply Four “AA” batteries or optional universal AC line voltage