Dual channel / display
Automatic pH calibration up to 5 points using NIST, USA, or Custom pH buffers
Switchable pH resolution – 0.1, 0.01, 0.001 pH
Offset and slope display
Automatic / Manual temperature compensation and temperature calibration function
Automatic and manual conductivity calibration up to 4 points
Adjustable reference temperature and temperature coefficient
Selectable cell constant and measurement unit
Conductivity and total dissolved solids (TDS) conversion
Four (4) TDS calibration curves for wide range of applications: EN27888, Linear, 442, NaCl
Two (2) salinity calibration curves: NaCl, Seawater 
Auto log data; Built-in memory can store up to 1000 data
Real-time clock and date / time stamp
Auto shut-off (programmable: 1 to 30 minutes)
Auto-Hold / Auto-Stable measurement
Calibration alarm (programmable: 1 to 400 days)
Custom black and white static LCD
RS232 and USB output for connecting to computer or printer
Security (password setting)