GE PanaFlow MV80 User Manual page 156

Vortex volumetric and mass flowmeters
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Appendix D. Glossary
Hz
Hertz, cycles per second
In-Line Flowmeter A flowmeter which includes a short section of piping which is put in-line with the user's piping
Insertion
A flowmeter which is inserted into a hole in the user's pipeline
FlowMeter
Joule
A unit of energy equal to one watt for one second; also equal to a Newton-meter
LCD
Liquid crystal display
Mass flow rate
m
mA
Milliampere, one thousandth of an ampere of current
Viscosity, a measure of a fluid's resistance to shear stress. Honey has high viscosity, alcohol has
µ
low viscosity
nm3/hr
Normal cubic meters per hour (flow rate converted to normal conditions,
as shipped 101 kPa and 0° C). User definable.
ΔP
Permanent pressure loss
P
Line pressure (psia or bar absolute)
ρ
The density of a fluid at the actual temperature and pressure operating conditions
act
ρ
The density of a fluid at standard conditions (usually 14.7 psia and 20° C)
std
Permanent
Unrecoverable drop in pressure
Pressure Loss
Piezoelectric
A material which generates an electrical charge when the material is put under stress
Crystal
PRTD
Resistance temperature detector (RTD) with platinum element. Used because of high stability
psia
Pounds per square inch absolute (equals psig + atmospheric pressure). Atmospheric pressure is
typically 14.696 psi at sea level
144
PanaFlow™ MV80 & MV82 User's Manual

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