Chapter 2 Starting Measurement
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2.8.2 V-method Installation
V-method installation is the moswidely used mode for daily measurement with pipe
inner diameters ranging from 20 millimeter to 300 millimeter. It is also called
reflective mode or method.
2.8.3 Z-method Installation
Z-method is commonly used when the pipe diameter is between 300 millimeters
and 500 millimeters
2.8.4 w-method Installation
w-method is usually used on plastic pipes with a diameter from 10 millimeters to
100 millimeters
