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Operation as pH-level-meter
To assess the pH-level the device must be turned „off". Turn the rotary switch all the way to the right
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until it engages at point „PH".
Put the probe up to the rubber stop into the checking water.
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Wait until the indicator stops. Now you can read actual value of the pH-level on the upper scale.
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If necessary add now soda or acid and repeat the measuring.
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The recommended pH-level for swimmingpools is bewtween 7.2 to 7.8 ppm.
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Operation as Chlorine-level-meter
Before measuring the chlorine-level for the first time you must calibrate the device for yor swimmingpool as
follows:
Measure the chlorine-level of your poolwater with a coventional liquid test kit and keep the actual value.
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Insert the 1.5 V battery into the battery compartment of the device.
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Put the probe up to the rubber stop into the checking water.
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Stir the checking water a little bit with the probe.
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Turn the rotary switch to the left until it hits the point „CL".
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With the probe in water still, turn the rotary switch back to the right slowly until the indicator hits the
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chlorine-level-value you have measured before manually.
If you take the probe out of the water now the indicator will continue to move to the right until it stops
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on one letter of the scale A to E. This letter is your adjustment point.
To measure the actual chlorine-level of your pool you have to do as follows:
Switch-on the device.
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Use the rotary switch to put the indicator on the adjustment point on the scale A to E. Start every
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chlorine-level-measuring by doing this !
Immerse the probe up to the rubber stop into the checking water.
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Wait until the indicator stops. Now you can read actual value of the chlorine-level on the lower scale.
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The recommended chlorine-level for swimmingpools is 1.2 to 1.7 ppm.
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The cleaning of the probe.
Use the extrafine sandpaper, provided with your device, to rub off all residua from the metal of the
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probe gently.
Afterwards you rinse the probe in some soap-water.
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Then you dry the probe with a clean soft tissue.
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Finally you wait 5 seconds to let the probe gets discharged from possible static electricity.
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A d d
A c i d
C a u t i o n
C a u t i o n
ETT Distribution GmbH Schmalbachstraße 16 38112 Braunschweig
Nachdruck oder Vervielfältigung nur mit ausdrücklicher Genehmigung Stand 12/2016
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