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Prerequisites
You will need the flow factor, density factor, and calibration pressure values for your
sensor.
• For the flow factor and density factor, see the product data sheet for your sensor.
• For the calibration pressure, see the calibration sheet for your sensor. If the data is
unavailable, use 20 PSI.
Procedure
1. Choose View > Preferences and ensure that Enable External Pressure Compensation is
checked.
2. Choose ProLink > Configuration > Pressure.
3. Enter Flow Factor for your sensor.
The flow factor is the percent change in the flow rate per PSI. When entering the
value, reverse the sign.
Example:
If the flow factor is 0.000004 % per PSI, enter −0.000004 % per PSI.
4. Enter Density Factor for your sensor.
The density factor is the change in fluid density, in g/cm
3
/PSI. When entering the
value, reverse the sign.
Example:
If the density factor is 0.000006 g/cm
3
/PSI, enter −0.000006 g/cm3/PSI.
5. Enter Cal Pressure for your sensor.
The calibration pressure is the pressure at which your sensor was calibrated, and
defines the pressure at which there is no pressure effect. If the data is unavailable,
enter 20 PSI.
6. Determine how the transmitter will obtain pressure data, and perform the required
setup.
Option Setup
A user-configured
static pressure val-
ue
a. Set Pressure Units to the desired unit.
b.
Set External Pressure to the desired value.
Configure process measurement
52 Micro Motion
®
Model 1500 Transmitters with Analog Outputs