Aquasafe WSL50 Pro, Instruction Manual

Page: 182 / 193

9.1 DO Calibration in mg/L or ppm Mode
9.2
9.1.1 Press MODE key until the meter shows indicator and
measurement unit “mg/L” or “ppm”.
9.1.2 Ensure that 1 point calibration is selected in the setup menu.
9.1.3 If necessary, set the salinity and atmospheric pressure coefficient
in the setup menu (Refer to Setup Menu section).
9.1.4
Press CAL key, the display shows “8.25mg/L/CAL1” (@25
o
C).
9.1.5 Dip the dissolved oxygen probe into the air-saturated water for 3 to
5 minutes.
9.1.6 Press ENTER key to confirm,
“Calibration” indicator begins
flashing.
9.1.7
Wait for the measured value to stabilise, the display shows “END”.
Once calibration is complete, the meter returns to measurement mode
automatically.
Enter