Turbimax CUS51D
Endress+Hauser 11
Pipe installation The following figure illustrates various installation positions in pipes and indicates whether they are permitted
or not.
a0013011
Orientation and installation positions (with retractable assembly CUA451)
• The pipeline diameter must be at least 100 mm (4") if reflective materials (e.g. stainless steel) are used. An
onsite calibration is recommended.
• Install the sensor in places with uniform flow conditions.
• The best installation location is in the ascending pipe (it. 1). Installation is also possible in the horizontal pipe
(it. 5).
• Do not install the sensor in places where air may collect or foam bubbles form (it. 3) or where suspended
particles may settle (it. 2).
• Avoid installation in the down pipe (it. 4).
• Turbidity measurement < 200 FNU will result in erroneous measuring results due to backscattering of pipe
wall. Therefore a multipoint calibration is recommended.
• Avoid installations behind pressure reduction steps which can outgas.
Environment
Ambient temperature -20 to 60 °C (-4 to 140 °F)
Storage temperatur -20 to 70 °C (-4 to 158 °F)
Ingress protection IP 68 (test conditions: 1 m (3.3 ft) water column during 60 days, 1 mol/l KCl)
Process
Process temperature -5 to 50 °C (23 to 120 °F)
max. 80 °C (175 °F) short term(1 h)
Process pressure 0.5 to 10 bar (7 to 145 psi) absolute
Minimum flow No minimum flow required.
Make sure that there is a sufficient turbulence for solids with a tendency to sedimentation.
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