Using The Simulation Mode; Using The Verification Method; Application Challenges; Resolving Thin Oil Layers - Emerson Rosemount 3308A Reference Manual

Service and Troubleshooting
August 2017
Figure 6-9. Locate Device Pattern
6.4.6

Using the simulation mode

This function can be used to simulate measurements and alerts.
1. Select Service Tools > Simulate.
2. Select desired variable and follow the on-screen instructions.
6.4.7

Using the verification method

The Verification method is used to verify distance measurement with the Rosemount VeriCase.
1. Select Service Tools > Maintenance > Routine Maintenance.
2. Select Verification and follow the on-screen instructions.
Refer to the Rosemount VeriCase
6.5

Application challenges

6.5.1

Resolving thin oil layers

Thin oil layer on top of water might cause jumpy surface readings. Because of the thin oil layer, the
transmitter varies between detecting oil and water. Sometimes the oil layer gets too thin to be detected.
See Figure
Figure 6-10. Thin Oil Layer on Top of Water, Peak Detection Method Set to Peak Center
A. Oil peak detected as surface
B. Water peak
C. Surface Threshold
D. Too thin oil layer, no peak
E. Water peak detected as the surface
100
PRELIMINARY
User Guide
6-10.
B
A
for instructions on how to use the mobile verification tool.
E
C
D
Reference Manual
00809-0100-4308, Rev CA
Service and Troubleshooting