Doc. No. 06EN003291 Rev. A B - 3 Model ST98 Flow Meter
APPENDIX B - GLOSSARY FLUID COMPONENTS INTL
applications. Minimum flow is for non-zero based applications.
Sensor This lets the user know what resistance is being used for the RTD's. A 2
indicates a 1K ohm resistance.
Tslp Slope coefficient for the temperature equation. Caltemp = (Ref R)(tslp + Toff)
Refr Abbreviation for Reference Resistance.
Caltemp Temperature at calibration. Caltemp = (Ref R)(tslp) + toff
Toff Temperature offset.
Tcslp The second slope coefficient for the temperature compensation equation.
Tcslp0 The third slope coefficient for the temperature compensation equation.
Tcslp2 The first slope coefficient for the temperature compensation equation.
Maxflow Maximum calibrated flow in Standard Feet Per Second (SFPS).
Minflow Minimum calibrated flow in Standard Feet Per Second (SFPS).
Density The molecular weight of media is entered here. The software back calculates to the
standard density of the media which is used when converting from mass to
volumetric units.
M' = r • Q. M' = Mass Flow Rate
r = Density
Q = Volumetric Flow Rate.
Line size0 This field indicates the diameter of a round duct or the length of a rectangular duct.
The shape of the duct is dependent on the next field.
Line size1 This field indicates the width of a rectangular duct if it contains a value greater than
zero. If the value is zero, then it indicates a round duct.
F.S. This is the full scale value, in customer units, which gives the maximum output
signal (20mA, 5 VDC, or 10 VDC).
E. SENSOR CURRENT
SELECT Menu Function.
Sensor Current Select 2.0 ma - 1k ohm is always displayed.
F. K-FACTOR Menu Function.
K.F. An abbreviation for K-Factor. A factor the user can input to modify the final flow
reading from the calibrated flow rate.
G. EEPROM Menu Function.
EEPROM Only the factory has access to this area.
H. HEATER Menu Function.
Heater Off The user can turn the heater off.
Heater On The user can turn the heater on.
I. OUTPUT CURRENT
ADJUST Menu Function.
Enter # Entering a number (0-1000) will force the output to a corresponding level.
DAC Digital to Analog Converter number corresponds to output level.
J. SERIAL NUMBER,
CUSTOMER ORDER
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