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78 Micro Motion
®
Model 1500 Transmitters with the Filling and Dosing Application
Pressure Compensation
Not all sensors or applications require pressure correction factors. For the pressure correction values
to be used, obtain the pressure effect values from the product data sheet for your sensor, then reverse
the signs (e.g., if the pressure effect is 0.000004, enter a pressure correction factor of –0.000004).
9.2.3 Pressure measurement unit
The default measurement unit for pressure is
PSI. In other words, the transmitter expects to receive
pressure data in psi. If you will use a different pressure measurement unit, you must configure the
transmitter to use that measurement unit.
See Table 9-1 for a complete list of pressure measurement units.
9.3 Configuration
To enable and configure pressure compensation with ProLink II, see Figure 9-1.
Table 9-1 Pressure measurement units
ProLink II label Unit description
In Water @ 68F Inches water @ 68 °F
In Mercury @ 0C Inches mercury @ 0 °C
Ft Water @ 68F Feet water @ 68 °F
mm Water
@ 68F Millimeters water @ 68 °F
mm Mercury @ 0C Millimeters mercury @ 0 °C
PSI Pounds per square inch
bar Bar
millibar Millibar
g/cm2 Grams per square centimeter
kg/cm2 Kilograms per square centimeter
pascals Pascals
Kilopascals Kilopascals
Torr
@ 0C Torr @ 0 °C
atms Atmospheres