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Maintenance

Oxymax H COS21

10

Hauser

To replace the electrolyte, proceed as follows:

1.

Remove the membrane cap.

2.

Replace the electrolyte and, if necessary, the membrane cap.

3.

Place the membrane cap back on the sensor and screw the cap closed to the stop.

5.2.3

Replacing the membrane cap

Removing the old membrane cap

1.

Remove the sensor from the medium.

2.

Clean the outside of the sensor.

3.

Unscrew the membrane cap.

4.

If necessary, clean the cathode or replace the sealing ring if it is damaged.

5.

Rinse the electrode holder with drinking water.

Installing the new membrane cap

1.

Make sure that there are no dirt particles on the sealing surface.

2.

Using the pipette supplied, fill approx. 1.5 ml (0.05 fl.oz.) of electrolyte into the membrane 
cap.

3.

Hold the sensor body 

straight

 and carefully screw the membrane cap onto it 

until the 

stop.

!

Note! 
After replacing the membrane cap, polarize and recalibrate the sensor. Then insert the sensor 
into the medium and check that no alarm is displayed on the transmitter.

Содержание Oxymax H COS21

Страница 1: ...BA244C 07 en 09 06 71032330 Operating Instructions Oxymax H COS21 Dissolved oxygen sensor...

Страница 2: ...tified electrician Technical personnel must have read and understood these Operating Instructions and must adhere to them Before commissioning the entire measuring point check all the connections for...

Страница 3: ...e contents are undamaged Inform the supplier about damage to the delivery contents Keep the damaged products until the matter has been settled Check that the scope of delivery is complete and agrees w...

Страница 4: ...2 2 Mounting location Select the installation location so that there is easy access for later calibration Make sure that upright posts and assemblies are secured safely and vibration free For immerse...

Страница 5: ...ll and connect the oxygen sensor Caution Do not install the sensor suspended from the cable Screw the sensor into the assembly so that the cable is not twisted Avoid exerting excessive tensile force o...

Страница 6: ...Wiring Warning The electrical connection must only be carried out by a certified electrician Technical personnel must have read and understood the instructions in this manual and must adhere to them...

Страница 7: ...eric air The air should be saturated with water vapour Therefore install the sensor as close to the water surface as possible When calibrating the sensor membrane make sure the membrane remains dry Th...

Страница 8: ...peration by taking it out of the fluid drying it and then measuring the oxygen saturation index at air after 10 minutes Decide using the results a If the measured value is not at 102 2 SAT you have to...

Страница 9: ...ing proceed as follows Caution After cleaning rinse the sensor with copious amounts of clean water 5 2 Regenerating the sensor 5 2 1 Replacing the sealing ring Replacing the sealing ring is only neces...

Страница 10: ...the membrane cap 4 If necessary clean the cathode or replace the sealing ring if it is damaged 5 Rinse the electrode holder with drinking water Installing the new membrane cap 1 Make sure that there a...

Страница 11: ......

Страница 12: ...www endress com worldwide BA244C 07 en 09 06 Printed in Germany FM SGML 6 0 DT 71032330...

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