MU300 Rev1.0 Oct20
Page 34 of 54
Transmission Time
Display the average transmission time of
ultrasound measured (Unit: us) and
upstream/downstream transmission time
difference (Unit: ns). The two readings are the
main basis for the flowmeter to calculate the
flow velocity, especially the transmission time
difference could tell whether the flowmeter is
running stably or not the most. Under normal
conditions, the fluctuation ratio of the
transmission time difference should be less
than 20%, if it exceeds 20%, it indicates that
the system runs unstably, so you should
check whether the transducers are installed
is proper position or not and whether
parameter settings are correct or not.
10
Pipe Section Settings
Pipe Diameter
Enter the outer diameter and wall thickness.
Note: Pipe diameter of this type is from 25mm
to 1,200mm.
Select the pipe material in the menu as follows:
0.PVC
1.CS Carbon Steel
2.SSP (Stainless Steel Pipe)
3.CIP (Cast Iron Pipe)
4.DIP (Ductile Iron Pipe)
5.Copper (Copper Pipe)
6.
Alu (Aluminum Pipe)
7.
ACP (Asbestos Cement Pipe)
8.
FPG (Fiberglass Pipe)
9.
Others if you choose Item 9,please input the
material velocity.
04
Status
*R
Signal
Sound
Time
Total
185.0
us
Delta
30.5
ns
10
Pipe Setting
*R
M.
Size
OD
108.0
mm
thk
4.0
mm
10
Pipe Setting
*R
Size
M.
Options
0.PVC
Others
3200
m/s