Trace2O AquaSafe WSL25 Plus, Instruction Manual

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2.4 Press ENTER key; the default calibration value begins flashing.
2.5 Press CAL key to set each digit, press ENTER key to confirm. When the setting is done, ensure the
displayed value matches the chosen calibration standard.
2.6 Press ENTER key to start the calibration. Wait for the reading to stabilise; the display shows “END”.
The unit returns to measurement mode. Second point calibration is completed.
3 POINT CALIBRATION:
3.1 If 3 point calibration is selected in the setup menu, when second calibration point is done, the display
will immediately show “CAL3”. The unit prompts to continue with third point calibration.
3.2 Repeat the above steps until the display shows “END”, the unit returns to measurement mode.
Calibration is completed.
Note: Performing the conductivity calibration will simultaneously calibrate the corresponding TDS and
salinity values.
Temperature Calibration
During the measurement, if the temperature reading displayed differs from that of an accurate
thermometer, you need to calibrate the unit.
1. Press and hold the CAL key for 3 seconds to enter setup menu.
2. Press ENTER key until unit shows the “
o
C/CAL” or “
o
F/CAL”.
3. Press CAL key to enter the temperature calibration mode.
4. Press CAL key again to set temperature value (Resolution: 0.5
o
C).
5. Press ENTER key to confirm, the display shows next option.
uS
Enter