Honeywell SMV800, User Manual

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Revision 1.0 SMV800 Modbus User's Guide Page 21
SP Engineering Units
The Static Pressure Config tab displays the Lower Range Value (LRV), Lower Range Limit (LRL),
Upper Range Value (URV) and Upper Range Limit (URL) for SP in the unit of measure selected in the
Engineering Units field.
Table 2-2: Pre-programmed Engineering Units for SP*
Engineering Unit Meaning
inH2O @ 39F Inches of Water at 39.2
°
F (4
°
C)
inH2O @ 68F Inches of Water at 68
°
F (20
°
C)
mmHg @ 0C
Millimeters of Mercury at 0
°
C (32
°
F)
psi d Pounds per Square Inch
kPa Kilopascals
M Pa Megapascals
mbar Millibar
Bar Bar
g/cm
2
Grams per Square Centimeter
Kg/cm
2
Kilograms per Square Centimeter
inHg @ 32F Inches of Mercury at 32 ° F (0 ° C)
mmH2O @ 4C Millimeters of Water at 4
°
C (39.2
°
F)
mH2O @ 4C
Meters of Water at 4
°
C (39.2
°
F)
ATM Normal Atmospheres
inH2O @ 60F Inches of Water at 60 ° F (15.6 ° C)
* Static pressure may be absolute or gauge pressure, depending on the SMV model type.
NOTE: Depending on the SMV transmitter model type, SP will measure static pressure in either
absolute or gauge values.
SMV Models - SMA810 and SMA845 SP —Absolute Pressure
-SMG870 SP —Gauge Pressure
SP Engineering Units. Select one of the preprogrammed engineering units in Table 2-2 for display of
the SP measurements.