Trace2O AquaSafe WSL25 Plus, Instruction Manual

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6. Press ON/OFF key, the unit returns to measurement mode. Calibration is completed.
EXIT THE CALIBRATION:
During the calibration process, if you want to exit the calibration, press ON/OFF key, the unit will return
to measurement mode.
Switching Measurement Mode:
1. In the conductivity mode, press ENTER key until the display shows “TDS”. The unit enters TDS
measurement mode.
2. Press ENTER key, the unit enters the salinity measurement mode.
3. Press ENTER key again, the unit returns to conductivity measurement mode.
Measurement:
Rinse the conductivity electrode with distilled water. Immerse the electrode into the sample solution. Stir
the solution gently. Wait for the reading to stabilise; record the measured value as displayed.
Hold Function:
The HL102 pocket EC/TDS/temperature tester contains two data hold modes. When the Auto-Hold
function is enabled, the unit will automatically sense a stable endpoint reading and freeze it; the “HOLD”
indicator appears on the display. If the Auto-Hold function is disabled, press HOLD key, the unit will
immediately freeze the currently displayed value. Press the HOLD key again to resume measuring.
Enter
ppm
Enter
ppt
Enter
uS