Xylem FM500 ULTRASONIC FLOW METERS - Manual (Page 45)

Page 45
4) Fold the paper so that the top edge and the marked circumference point touch.
5) Unfold and place a mark on the folded edge. This mark will be exactly one half of the
circumference. This mark is the location for the second transducer.
6) Once again, wrap the paper around the pipe starting with the top edge corner
positioned at the second transducer location (separation distance point B).
7) Align the side edges of the paper.
8) Place a mark on the pipe at the one half circumference mark.
CIRCUMFERENCE
C
FULL CIRCUMFERENCE
ONE HALF
CIRCUMFERENCE FOLD
TOP EDGE
ONE HALF
CIRCUMFERENCE
A
B
C
ONE HALF
CIRCUMFERENCE
FOLD
TOP EDGE
CORNER
A
B
ALIGN SIDE
EDGES
Ultrasonic Flowmeter