pH Mode  
Range -2.00 to +19.999pH
Resolution 0.1/0.01/0.001pH
Relative Accuracy ±0.002
Calibration Points 1 to 6
Standards Recognized US, NIST, DIN, Custom
Ion Concentration Mode  
Range 0.0001 to 19,999mV; readout ppm, mg/mL, mole/L, %, unitless
Resolution 3 sig digits
Relative Accuracy ±2mV or 0.05%
Calibration Points 6
mV Mode  
Range ±1999.9mV
Resolution 0.1mV
Relative Accuracy ±2mV or 0.05%
Calibration Points -5.0° to +105.0°C
Temperature Mode  
Range 23° to 221°F (-5° to 105°C)
Resolution 0.1°C
Relative Accuracy ±0.1°
Data Management 1000 data-points with time/date stamp by one of six reading methods, last 10 calibrations per channel, up to 10 user methods per channel and password protection
Data Output USB or RS-232
Display Backlight (5 levels) graphic LCD
Power Supply Universal AC power adapter