Dwyer UFM - Manual (Page 22)

F - UFM
Issue 1.4 Page 22
If the Total is turned on then the display will alternate between the flow reading and the total.
Either display can be held for 30 seconds by pressing the key.
Figure 16 Current Output & Calibration Menus
>
Select 4-20 mA:
ON | OFF
Flow @ 20mA
1000.0
Flow @ 4mA
0000.0
OFF & 
ON & 
CURRENT OUTPUT MENU
Valid & 
Valid & 
Damping Time [s]:
20
Zero Cut-off:
0.10 m/s
Zero Offset
0.000 USgal/min
Range 0.00 – 0.50
0.10 m/s
Done
71360
Zero Offset:
Averaging…9
^ To Clear
v To Set
Valid & 
Invalid & 


Calibrat. Factor:
1.000
Range 0.500–1.500
1.000
NO |YES
CALIBRATION MENU
Invalid & 
Valid & 
Set Zero cut-off to
0.00 before using
Zero Offset and
restore to 0.05 or
more afterwards