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3-10
second). Valid ranges for this entry are 0.00 to 30.00
FPS. Two useful equations that relate liquid velocity to
volume:
GPM = 2.45 X I.D.
2
X FPS
FPS = ( GPM X 0.408) / I.D.
2
I.D. in inches
n If a UNITS code for metric measurement was made
the I.D. value will be entered in MPS (meters per
second). Valid ranges for this entry are 0 to 10.00
MPS. Two equations that relate liquid velocity to
volume are
LPM = 0.047 X I.D.
2
X MPS
MPS = ( LPM X 21.28) / I.D.
2
I.D. in inches
Note: Attempting to set a FULL SCALE value of less than
0.5 FPS [0.15 MPS] may result in an unstable transmitted
output. If flows are typically lower than this range, the
LOW FLOW FILTERS and higher DAMPing values may
be required.
UNITS
Utilized to set engineering units of measure. There are
twelve different selections possible. The Table 3.1 lists
the entry code number, flow rate unit of measure and
totalizer unit of measure.
Note: After changing the UNITS value, it may be
necessary to change other configuration values
accordingly. For example, FULL SCALE, I.D., HIGH/LOW
ALARM are influenced by the UNITS entry.
Note: Flow already accumulated will not be correctly
compensated for if the UNITS of measure changes.
PART 3 - KEYPAD CONFIGURATION