Connecting The Power Supply; Mechanical Preparation - Endress+Hauser Proline Prosonic Flow 91W Brief Operating Instructions

Proline Prosonic Flow 91W
2.5

Connecting the power supply

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Warning!
Risk of electric shock. Components carry dangerous voltages.
• Never mount or wire the measuring device while it is connected to the power supply.
• Before connecting the power supply, check the safety equipment.
• Route the power supply cable so that it is seated securely.
• Seal the cable entries and covers tight.
technical information etc. of the related Ex documentation must be observed 
• When wiring Ex-certified measuring devices, all the safety instructions, wiring diagrams,
 Ex documentation on the CD-ROM.
"
Caution!
Risk of damaging the electronic components!
Connect the power supply in accordance with the connection data on the nameplate.
2.6

Mechanical preparation

The way in which the sensors are secured differs on account of the pipe nominal diameter and
the sensor type. Depending on the type of sensor, users also have the option of securing the
sensors with strapping bands or screws such that they can be later removed, or permanently
fixing the sensors in place with welded bolts or welded retainers.
Overview of possible ways to secure the various sensors:
Prosonic Flow Measuring range
DN 15 to 65 
91W
(½ to 2½")
DN 50 to 4000 
91W
(2 to 160")
2.6.1 Mounting the sensor holder with U-shaped screws (small nominal diameters)
For mounting on a pipe with a nominal diameter of DN  32 (1¼")
Sensors: Prosonic Flow (DN 15 to 65 / ½ to 2½")
1. Disconnect the sensor from the sensor holder.
2. Position the sensor holder on the pipe.
3. Put the U-shaped screws through the sensor holder and slightly lubricate the thread.
4. Screw nuts onto the U-shaped screws.
5. Set the holder to the exact position and tighten the nuts evenly.
Endress+Hauser
Pipe nominal diameter Secured by
DN  32 (1¼") Sensor holder with U-shaped screws 
(small nominal diameters)
DN 32 (1¼") Sensor holder with strapping bands 
(small nominal diameters)
DN  200 (8")
Strapping bands (medium nominal diameters)
Welded bolts
DN 200 (8")
Strapping bands (large nominal diameters)
Welded bolts
Installation
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