Safety instructions Turbimax CUS71D
4 Endress+Hauser
1 Safety instructions
1.1 Designated use
CUS71D is an immersion sensor designed for interface measurement in water and wastewater.
The sensor is particularly suited for use in the following applications:
• Wastewater treatment: primary clarifier, sludge thickener, secondary clarifier
• Water purification: settling basin after flocculant dosage, sludge height in contact sludge process
• Chemical industry: static separation process
Any other use than the one described here compromises the safety of persons and the entire
measuring system and is 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.
Trained 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. 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 organization.
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.
1.4 Return
If the sensor has to be repaired, please return it cleaned to the sales center responsible.
Please use the original packaging, if possible.
Before returning the device, please clarify all formalities - such as obtaining an identification number
- with your sales center.
Please enclose the completed "Declaration of Hazardous Material and De-Contamination" (copy the
second last page of these Operating Instructions) with the packaging and the transportation
documents. No repair without completed declaration!
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