Operation And Use - AquaMaster Tools E300 Pro Benutzerhandbuch

Operation and use

1. Connect the PIN connector of the electrode to the EC meter.
2. Rinse the electrode with running water and dry it using clean
kitchen paper.
3. Press the on/off button to turn on the meter.
4. Place the electrode in the (soft) substrate (make sure the substrate
is well wet/damp, otherwise the meter will not work properly) or
liquid to be measured.
5. Wait for the value to stabilise. The measurement is now complete.
6. Press the HOLD button to save the measurement. Do not forget to
press the HOLD button again when the meter is used once more.
7. Rinse the meter with clean water after use, so that no residue is left
on the electrode.
8. Press the on/off button to turn off the meter.
Calibrating the EC meter
1. Press the On/off button to start the meter.
2. Gently clean the electrode with distilled water and dry it off.
3. Insert the meter in calibration solution (μS/cm 1413) EC 1,41
(make sure this is 25°C) and stir gently.
4. Wait until the value on the display is stable.
5. Press and hold the CAL button for 5 seconds. Then release the
button. The value CAL EC 1.4 will now blink on the display.
Calibration is complete as soon as a tick sign appears on the screen.
6. Gently clean the electrode with distilled water and dry it off.
Calibrating the meter is now complete.
When is calibration required?
• If the electrode has been replaced.
• If the meter was last calibrated over a month ago.
• If the meter is used on a regular basis.
• If high precision is needed.
EN 9