Deltapilot M FMB50/51/52/53
Endress+Hauser 23
Operating conditions (installation)
General installation
instructions
• The position-dependent zero point shift can be corrected:
– directly at the device via an operating key
– directly at the device via operating keys on the display
– via digital communication if the cover is not open
Note!
In hazardous areas, comply strictly with the safety instructions when the housing cover is closed and open.
• The local display can be rotated in 90° stages.
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
– or at a point in the tank that can be affected by pressure pulses from the agitator
• The calibration and functional test can be carried out more easily if you mount the device downstream of a
shutoff device.
• Deltapilot M must be included in the insulation for media that can harden when cold.
Pressure measurement in gases
• Mount Deltapilot M with shutoff device above the tapping point so that any condensate can flow into the
process.
Pressure measurement in steams
• Mount Deltapilot M with siphon above the tapping point.
• Fill the siphon with liquid before commissioning.
The siphon reduces the temperature to almost the ambient temperature.
Pressure measurement in liquids
• Mount Deltapilot M with the shutoff device below or at the same level as the tapping point.
FMB51/FMB52/FMB53 • When mounting rod and cable versions, make sure that the probe head is located at a point as free as possible
from flow. To protect the probe from impact resulting from lateral movement, mount the probe in a guide
tube (preferably made of plastic) or secure it with a clamping fixture.
• In the case of devices for hazardous areas, comply strictly with the safety instructions when the housing
cover is open.
• The length of the extension cable or the probe rod is based on the planned level zero point. The height of
the protective cap must be taken into consideration when designing the layout of the measuring point. The
level zero point (E) corresponds to the position of the process isolating diaphragm.
Level zero point = E; top of the probe = L.
• Suspension clamp (FMB53 only)
Material: → ä 46 ff
Order number: 52010869 → ä 53 ff, feature 620 , "Accessory enclosed", version "PO".
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