Instructions
© PCE Instruments 
35 
English 
Z method 
The Z method is recommended for pipe diameters of 300 to 500 mm. 
Top view of pipe 
1  Upstream transducer 
2  Spacing 
3  Flow direction 
4  Downstream transducer 
W method 
The W method is suitable for measurements of plastic pipes with diameters of 10 to 100 mm. 
Top view of pipe 
1  Upstream transducer 
2  Spacing 
3  Downstream transducer 
4  Flow direction 










