Daniel 3410 Series Gas Ultrasonic Meter Operations Manual
Miscellaneous equations
3-9000-777 Rev E
January 2018
Miscellaneous conversion factors
141
A
Appendix B: Miscellaneous equations
B.1
Miscellaneous conversion factors
K-Factor and Inverse K-Factor
Equation B-1 Frequency Volumetric Flow Rate K-Factor
and
Equation B-2 Frequency Volumetric Flow Rate Inverse K-Factor
where
=
frequency “K-Factor” (pulses/m
3
or pulses/ft
3
) (
Freq1KFactor
and
Freq2KFactor
)
=
frequency “Inverse K-Factor” (m
3
/pulse or ft
3
/pulse)
(
Freq1InvKFactor
and
Freq2InvKFactor
)
=
frequency full-scale volumetric flow rate (m
3
/h or ft
3
/h)
(
Freq1FullScaleVolFlowRate
and
Freq2FullScaleVolFlowRate
)
=
maximum frequency (Hz = pulses/s) (Either 1000 or 5000 Hz)
(
Freq1MaxFrequency
and
Freq2MaxFrequency
)
KFactor
MaxFreq
(
)
3600
s hr
⁄
(
)
FreqQ
FullScale
----------------------------------------------------------
=
InvKFactor
FreqQ
FullScale
MaxFreq
(
)
3600
s hr
⁄
(
)
----------------------------------------------------------
=
KFactor
InvKFactor
FreqQ
FullScale
MaxFreq
