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Calibrating the EC meter
Watch the How-to videos at Aqua Master Tools' website.
1. Press the On/off button to start the meter.
2. Press the MODE button to switch to EC on the display.
3. Insert the meter in an upright position in calibration solution (μS/cm
1413) EC 1.4 (make sure this is 25 ºC or 77 ºF) and stir gently.
4. Wait until the value on the display is stable.
5. Press and hold the C/F button for 5 seconds. Then release the button.
The value EC 1.4 will now blink on the display. As soon as the meter
switches back to the standard mode, calibration is complete.
6. Rinse the meter with clean water.
7. The meter is now ready for use.
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.
Replacing the electrode
Watch the How-to videos at Aqua Master Tools' website.
1. Properly unscrew the sealing ring in the lower part of the meter.
2. Remove the defected/old electrode by gently pulling it.
3. Carefully place the new electrode with the recess in the correct
position so that the connectors properly connect and do not damage
the meter or electrode.
4. Check that the rubber seal is properly placed.
5. Tightly tighten the sealing ring.
6. Calibrate the meter as described in this manual.
7. The meter is now ready for use.
EN
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