Endress+Hauser Proline t-mass A 150, Operating Instructions Manual, Page: 92 / 134

Maintenance Proline t-mass A 150 HART
92 Hauser
14 Maintenance
14.1 Maintenance tasks
No special maintenance work is required.
14.1.1 Exterior cleaning
When cleaning the exterior of measuring devices, always use cleaning agents that do not
attack the surface of the housing or the seals.
14.1.2 Interior cleaning
Cleaning the transducer
In applications with dirty gases, it is advisable to inspect and clean the device regularly to
minimize measured errors caused by fouling or buildup.
The inspection and cleaning intervals depend on experience and the field of application.
NOTICE
The use of unsuitable equipment or cleaning liquids can damage the transducer.
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Do not use pigs to clean the pipe.
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Use an oil-free cleaning agent that does not form a film to clean the sensor. Gently
clean the surface using a soft brush.
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When cleaning make sure that the transducers are not damaged.
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Never use cleaning agents that can corrode the material and the seal.
Sensor-specific information:
• If the sensor gland is opened, the accuracy specifications of the measuring device no
longer apply. In such situations, the measuring device must be removed and returned for
recalibration and to the manufacturer.
• Follow the safety instructions when removing the sensor →  8.
14.2 Measuring and test equipment
Hauser offers a wide variety of measuring and test equipment, such as W@M or
device tests.
Your Hauser representative can provide detailed information on the services.
For a list of some of the measuring and test equipment, refer to the "Accessories"
chapter of the "Technical Information" document for the device.
14.3 Hauser services
Hauser offers a wide variety of services for maintenance such as recalibration,
maintenance service or device tests.
Your Hauser representative can provide detailed information on the services.