Emerson Rosemount 3308 Series Reference Manual page 206

Configuration parameters
February 2020
allows you to calculate dielectric constants based on measurements of the Upper Product
Thickness.
If the dielectric constant of the lower product is significantly smaller than the dielectric
constant of water, you may need to make special adjustments. The dielectric constant of
water is 80.
Related information
Interface measurements
Example 2: Interface peak not found
Use the Dielectric Constant Guide
In case the dielectric constant is unknown, then use the Dielectric Constant Guide
embedded in the AMS Wireless Configurator as help when configuring the DC.
Procedure
1. Select Configure → Manual Setup → Level Setup → Environment.
2. Select Dielectric Constant Guide and follow the on-screen instructions.
Maximum product level rate
Fastest rate that may occur in the monitored process to (partially) fill or empty this tank.
Will be used to calculate the maximum level change between updates. Note that product
level rate may be higher during upset conditions.
Note
If the tank is filling or emptying at a high rate, set a faster Update Rate to make sure there
is enough safety margin in the system for High/Low Alerts. Run Check Level Response to
make sure that configured Update Rate is sufficient for the application.
Related information
Consider optional setup
Tank material
Select material of construction of the tank.
Typical interface condition
The typical interface condition in the tank. Select one of the following conditions:
206
Reference Manual
00809-0100-4308
Rosemount 3308 Series