The HI2300 is a durable benchtop EC/
TDS/Salinity and temperature meter
that features a four-ring potentiometric
probe, one-point calibration, and a USB
port for computer connectivity. The meter
is autoranging to choose the appropriate
conductivity and total dissolved solids (TDS)
range, and can easily be switched to salinity
mode to measure from 0.0 to 400.0% NaCl.