Features:
Built-in stirrer with 30, 60, and 120 minute timer or continuous operation
Large backlit dual LCD simultaneously displays measurement and temperature
2 or 3 point pH calibration for better accuracy (4, 7, and 10pH)
Manual salinity (0-50ppt) and altitude (0-20k ft) compensation for DO measurements
One point Conductivity calibration - automatically recognizes 4 calibration solutions
Adjustable Conductivity to TDS ratio from 0.5 to 1.0
Automatic Temperature Compensation
Memory stores up to 150 readings
Complete with pH, conductivity & DO probes & calibration/fill solutions, temperature probe, electrode clamp and rod, software and USB cable and AC adapter