Deltapilot M 4...20 mA HART Installation
Endress+Hauser 11
4.5.1 General installation instructions
• Do not clean or touch process isolating diaphragms with hard or pointed objects.
• The process isolating diaphragm in the rod and cable version is protected against mechanical
damage by a plastic cap.
• If a heated Deltapilot M is cooled during the cleaning process (e.g. by cold water), a vacuum
develops for a short time, whereby moisture can penetrate the sensor through the pressure
compensation (1). If this is the case, mount the Deltapilot M with the pressure compensation
(1) pointing downwards.
• Keep the pressure compensation and GORE-TEX
®
filter (1) free from contamination.
• The device must be installed as follows in order to comply with the cleanability requirements
of the ASME-BPE (Part SD Cleanibility).:
4.5.2 FMB50
Level measurement
• Always install the device below the lowest measuring point.
• Do not install the device at the following positions:
– in the filling curtain
– in the tank outflow
– in the suction area of a pump
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