Rate, total and grand total scaling, K-factor (scaling factor), Rate unit – AW Gear Meters RT-30EX User Manual
Page 20: Rate time base, Rt-30ex flow transmitter

RT-30EX Flow Transmitter
Operation and Programming Manual
20
RT-30EX User Manual, Rev. 1.7 02/07/2012
RATE, TOTAL and GRAND TOTAL scaling
K-factor (scaling factor)
The RT-30EX uses only one K-factor for scaling all displays. This value is always entered in units of Pulses
per Gallon. Once the rate and total units are selected, the RT-30EX uses internal calculations to
automatically correct the displayed values to match the user selected units. When the correct K-factor
value has been programmed, press
ENT
to continue.
RATE unit
Use the
UP
and
DN
buttons to scroll through the available units to scale the RATE screen.
The available units are:
GAL
(US gallons)
LIT
(Liters)
CC
(Cubic centimeters)
BBL
(Barrels)
ML
(Milliliters)
M3
(Cubic meters)
OZ
(Liquid ounces)
PUL
(Pulses)
Once the desired unit is showing, press
ENT
to continue.
RATE time base
Use the
UP
or
DN
buttons to select the time base to use in conjunction with the previously selected
RATE units to define the flow rate unit.
The available time units are:
Seconds
Minutes
Hours
Days
When the correct time base is showing, press
ENT
to continue.
NOTE: If the rate unit & time base are selected as PUL & Seconds, the RATE screen will show the unit
as Hz, NOT PUL/SEC.
Enter K-Factor in
Pulses per Gallon :
000001.000
Select RATE Units
> _____________
Select RATE Time Base
_____________
Select TOTAL units
_____________
Select RATE Units
_____________
Select RATE Time Base
> _____________
ENT
ENT
ENT
EXIT
Figure 22: Scaling menu