Configure Pressure Compensation Using Prolink Iii - Emerson Micro Motion 1500 Configuration And Use Manual

Tip
Not all sensors or applications require pressure compensation. The pressure effect for a specific
sensor model can be found in the product data sheet located at www.emerson.com. If you are
uncertain about implementing pressure compensation, contact customer service.
Prerequisites
You will need the flow factor, density factor, and calibration pressure values for your
sensor.
•
•
4.7.1

Configure pressure compensation using ProLink III

1.
2.
3.
4.
5.
6.
7.
Configuration and Use Manual
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.
Choose Device Tools > Configuration > Process Measurement > Pressure
Compensation.
Set Pressure Compensation Status to Enabled.
Set Pressure Unit to the appropriate unit.
If you will use an external pressure value, set Pressure Unit to match the pressure
unit used by the external pressure device.
Enter Flow Calibration 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.
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.
Enter Density Factor for your sensor.
The density factor is the change in fluid density, in g/cm
value, reverse the sign.
Example:
If the density factor is 0.000006 g/cm
Set Pressure Source to the method that the transmitter will use to obtain pressure
data.
Option
Poll for external value
3
/PSI, enter −0.000006g/cm3/PSI.
Description
The transmitter will poll an external pressure device, using
HART protocol over the primary mA Output.
Configure process measurement
3
/PSI. When entering the
45