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Safety instructions

Oxymax H COS21

2

Hauser

1

Safety instructions

1.1

Designated use

The sensor is suitable for continuous measurement of dissolved oxygen in water.

Major applications:

• Process control in enzyme production
• Control of culture growth
• Biotechnological production
• Food industry
• General process applications

Any other use than the one described here compromises the safety of persons and the entire 
measuring system and is, therefore, not permitted.
The manufacturer is not liable for damage caused by improper or non-designated use.

1.2

Installation, commissioning and operation

Please note the following items:
• Installation, commissioning, operation and maintenance of the measuring system must only 

be carried out by trained technical personnel. 
The technical personnel must be authorized for the specified activities by the system operator.

• Electrical connection must only be carried out by a certified 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 

correctness. Ensure that electrical cables and hose connections are not damaged.

• Do not operate damaged products and secure them against unintentional 

commissioning. Mark the damaged product as being defective.

• Measuring point faults may only be rectified by authorized and specially trained 

personnel.

• If faults can not be rectified, the products must be taken out of service and secured against 

unintentional commissioning.

• Repairs not described in these Operating Instructions may only be carried out at the 

manufacturer’s or by the service organisation.

1.3

Operational safety

The sensor has been designed and tested according to the state of the art and left the factory in 
perfect functioning order.
Relevant regulations and European standards have been met.

As the user, you are responsible for complying with the following safety conditions: 
• Installation instructions
• Local prevailing standards and regulations.

Summary of Contents for Oxymax H COS21

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

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 11: ......

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

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