Endress+Hauser Turbimax CUS51D - Maintenance; Maintenance Tasks; Cleaning the Sensor

Turbimax CUS51D Maintenance
Endress+Hauser 39
10 Maintenance
L
CAUTION
Acid or medium
Risk of injury, damage to clothing and the system!
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Switch off cleaning before the sensor is removed from the medium.
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Wear protective goggles and safety gloves.
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Clean away splashes on clothes and other objects.
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You must perform maintenance tasks at regular intervals.
We recommend setting the maintenance times in advance in an operations journal or log.
The maintenance cycle primarily depends on the following:
• The system
• The installation conditions
• The medium in which measurement takes place
10.1 Maintenance tasks
NOTICE
Disassembly at sensor head
Sensor can leak!
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Turn by the shaft only.
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Never turn by the sensor head!
10.1.1 Cleaning the sensor
Sensor fouling can affect the measurement results and even cause a malfunction.
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To ensure reliable measurements, clean the sensor at regular intervals. The frequency
and intensity of the cleaning depend on the medium.
Clean the sensor:
• As specified in the maintenance schedule
• Before every calibration
• Before returning it for repairs
Type of fouling Cleaning measure
Lime deposits
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Immerse the sensor in 1 to 5% hydrochloric acid (for several minutes).
Dirt particles on the optics
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Clean the optics with a cleaning cloth.
After cleaning:
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Rinse the sensor thoroughly with water.