Automation Direct ProSense VFS50-10-1001 Gebruiksaanwijzing - Pagina 7
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Disturbance
Non-ideal bend
Ideal bend
Multiple bends (2 x 90°)
Reduction of internal pipe diameter
Valve or pump
► Mount the unit in a way that no mechanical forces are exerted on the pipe. To
do so, use angle brackets if required.
- For direct installation fix the unit on the surface utilizing the four corner holes
on the underside of the unit. Mounting holes are 3.6 mm in diameter with a
57 mm x 16.5 mm on center pattern. Maximum insertion depth in the housing
is 5.5 mm. Use self-tapping M4 DIN 7500 screws. Center holes are not usable
due to risk of damaging sensor.
► Avoid the following installation positions:
- Directly in front of a falling pipe.
- In a falling pipe.
- At the highest point of the pipe system, when the pipe is open.
- Directly before the outlet of the pipe.
- On the suction side of a pump.
2
F
DN = nominal width of the pipe
R = radius
Inlet pipe length
(1)
≥ 5 x DN
≥ 0.5 x DN
≥ 15 x DN
≥ 15 x DN
≥ 25 x DN
Outlet pipe length
(2)
≥ 1 x DN
≥ 15 x DN
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