Liquid Controls T650N SERIES User Manual
Page 7
Sponsler, Inc.
T650N Series Cryogenic Truck Totalizer
pg
7
DOC# MN-650
S7 POSITION
DIVIDER
1
2
3
4
5
1
10
100
1000
10000
(does not move decimal)
(moves decimal right 1 place)
(moves decimal right 2 places)
(moves decimal right 3 places)
(moves decimal right 4 places)
Example #1:
K-Factor = 230 pulses per gallon
Engineering Units = Gallons
1/230 = .0043478
Set S7 in Position 3 (100 divider; moves decimal right 2 places)
Set S3 at 4, S4 at 3, S5 at 4, S6 at 8 (Rounding 4
th
digit)
Set S2 on “0” position
Accuracy: Using the “System Test” the electronic accuracy can be verified incorporating the following
formula for a timed test.
QTY. Displayed =
500 X Time In Seconds X Calibration Factor
Divider
Example #2:
Time = 2 Minutes (120 sec.), CF = .4348, Divider = 100
QTY. Displayed =
500 X 120 X .4348
100
= 260.88 = 261
Universal Formula –
QTY. Displayed =
Hz X Time In Seconds X Calibration Factor
Divider
“0-1” Function for Calibration:
The “0-1” function provides a greater degree of accuracy when totalization encompasses a large quantity such as SCF
produced in a 24 hour period.
Example #3:
Assume a turbine flowmeter has a K-Factor of 79.58 pulses per SCF and a product demand of
520,000 SCF is the customer’s daily usage.
A delivery of 520,000 SCF = 41,381,600 total pulses (520,000 X 79.58).
C.F. = 1/79.58 = .012566
Without the “0-1” function
S7 in Position #2 (10 divider; moves decimal right 1 place)
S3 at 1, S4 at 2, S5 at 5, S6 at 7 (rounding the fourth digit)
S2 in “0” position
The meter would indicate a total quantity of 520,166.7 SCF
(41,381,600 X .1257)
for a difference of 166.7 SCF
10