5. Operation
5.3. Transmitter PV display
20 OneWireless XYR 6000 ISA100.11a Compliant Pressure Transmitter User's Manual Revision 3
March 2012
Description Pressure
INH20 Inches H2O
INH20_4C Inches H2O referenced to 4˚C
INH20_68f Inches H2O referenced to 68˚F
MMH20 millimeters H2O
MMH20_4C millimeters H2O referenced to 4˚C
MMH20_68F millimeters H2O referenced to 68˚F
FTH20 Feet H2O
FTH20_4C Feet H2O referenced to 4˚C
FTH20_68F Feet H2O referenced to 68˚F
INHG Inches mercury
INHG_0C Inches mercury referenced to 0˚C
MMGH millimeters mercury
MMGH_0C millimeters mercury referenced to 0˚C
For Pressure
The upper and lower calibration points indicate the upper and lower pressure value that will correspond the
upper and lower scale value respectively.
Flow = (scale EU100 – scale EU0) * sqroot(( DP – Cal Lower) / (Cal Upper – Cal Lower)) – scale EU0 for
DP > cal Lower
Flow = (scale EU100 – scale EU0) * sqroot((Cal Lower - DP) / (Cal Upper – Cal Lower)) – scale EU0 for
DP < -cal Lower
Flow = 0 for DP < abs ( cal lower)
Where scale EU100 and scale EU0 are in flow units and Cal Upper and Cal Lower are in pressure units.
The square root function is automatically employed for conversion from pressure to flow scale units.
Calibration units are always in pressure units.
Table 5-4 XYR 6000 Flow units
FLOW Description
CMPS cubic meters per second
CMPM cubic meters per minute
CMPH cubic meters per hour
CMPD cubic meters per day
LPS liters per second
LPM liters per minute
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