Installing Prosonic Flow W Sensor - Endress+Hauser Proline Prosonic Flow 91W Brief Operating Instructions

Installation
2.7

Installing Prosonic Flow W sensor

2.7.1 Installing Prosonic Flow W (DN 15 to 65 / ½ to 2½")
Prerequisites
• The installation distance (sensor distance) is known ä 8.
• The sensor holder is already mounted ä 9.
Material
The following material is needed for mounting:
• Sensor incl. adapter cable
• Connecting cable for connecting to the transmitter
• Coupling fluid for an acoustic connection between the sensor and pipe
Procedure
Set the distance between the sensors as per the value determined for the sensor distance. 
1.
Press the sensor down slightly to move it.
Fig. 10: Setting the distance between the sensors as per the value for the sensor distance
a) Sensor distance
Coat the contact surfaces of the sensors with an even layer of coupling fluid 
2.
(approx. 0.5 to 1 mm / 0.02 to 0.04 inch) thick.
3. Fit the sensor housing on the sensor holder.
14
b) Contact surface of the sensor
Proline Prosonic Flow 91W
b
Endress+Hauser
A0011529