Liquid Controls CIM100 - Manual (Page 14)

calibrating the cIM100
1...Calibrate.the.CIM100.with.a.volumetric.prover..
2...Determine.the.C-factor.
3...Enter.the.C-factor.into.the.CIM100.C-factor.field.
1. calibrate the cIM100 with a volumetric prover.
1... Remove.the.CIM100.cover.
2.. Scroll.to.the.Decimal.option.and.set.the.decimal.display.to.hundreths.
(0.00)
3.. Scroll.to.the.C-factor.option.and.enter.the.approximate.C-factor..Enter.
1.377410.3.for.gallons..Enter.5.208333.3.for.litres.
4.. Run.a.delivery.through.the.CIM100.and.into.the.volumetric.prover.at.
maximum.or.operating.flow.rate..
5.. Write.down.the.volume.delivered.into.the.volumetric.prover.and.the.
volume.displayed.on.the.CIM100..You.will.need.both.volumes.to.
determine.the.C-factor.
2. determine the c-factor.
1.. Calculate.the.%.Error.
2.. Calculate.the.K-Factor.
3.. Calculate.the.C-Factor.
x10 -1
Value to the right
of decimal point determines
the negative power
x10 -1 = One decimal place to the left
Real value move decimal
point to the left at x10 -x .
x = number at the far right
Sets decimal point on the
display counter to hundreths
calIbratIon
K-factor
K-factor = (1 - )Approximate K-factor ExamplE
191.997696 = (1 - )192
Approximate K-factor for the CIM100 is
726 pulses per gallons
192 pulses per litre
Approximate C-factor for the CIM100 is
726 = 0.001377410
192 = 0.005208333
c-factor
C-factor =
X
K-factor
ExamplE
0.005208396 =
1
191.997696
% Error
Prover Volume - Metered Volume
Prover Volume
% Error =
100 - 99.88
100
.0012 =
ExamplE
ThE C-FACTOR IS ThE INVERSE OF
ThE K-FACTOR If the K-factor is 100, the
C-factor is ¹⁄₁₀₀ or 0.01.
ThE K-FACTOR IS ThE NuMbER
OF PuLSES PER uNIT OF
MEASuREMENTS
A PuLSE OCCuRS EACh TIME A
TuRbINE bLADE PASSES ThE PICKuP
COIL
The series of equations apply the CIM100
totalizer volume and the prover volume
recorded during the proving run in order to
calculate the C-factor.
For the purposes of calibrating the
CIM100:
.0012
100
% Error
100
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