User Manual

• When the reading is stable and close to the selected standard, the

Confirm functional key is displayed.

• Press Confirm to confirm calibration.

ERROR SCREENS

Wrong standard

The calibration cannot be confirmed.

The EC reading is not close to the selected standard or the temperature

is out of the 0 - 60 °C window. Select another standard using the

ARROW keys or change the temperature value.

CLEAR CALIBRATION

Press Clear functional key when displayed to clear old calibrations.

All old calibrations, are cleared and the instrument returns to measurement

mode.

NaCl CALIBRATION

NaCl calibration is a one-point procedure in 100.0% NaCl solution. Use

the HI 7037L calibration solution (sea water solution) as a 100% NaCl

standard solution.

• To enter NaCl calibration select the Salinity % range and press CAL.

• The measured % NaCl, the temperature and the 100% NaCl

standard are displayed.