-79- 
5.2. Selection of mounting method 
There are 2 methods for mounting the detector; V method and Z method. (See Fig. 5-1.) 
 
Detector
D
V method
Detector
D
Z method
 
Fig. 5-1  Mounting method 
 
The Z method should be used in the following cases. 
 Where a V mounting space is not available. 
 When measuring fluid of high turbidity such as sewage. 
 When the pipe has a mortar lining. 
 Piping is old and presumed to have a deposit of a thick layer of scales inside the piping. 
 
Selection standard 
The Z method for large size sensor is recommended for outer diameter 300mm or more. 
 
 
 
 
5.3. Mounting method on the pipe 
Refer to the separate instruction manual “ULTRASONIC FLOWMETER DETECTOR”