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Reference Manual
00809-0700-4530, Rev AA
Section 5: Troubleshooting Procedures
September 2013
Troubleshooting procedures
Figure 5-14. Installation error - level/interface range is not covered adequately
The connections between the vessel and the chamber must allow for flow of the product.
Clogging should be avoided.
Figure 5-15. Inlet-pipe clogged
The radar transmitter is not temperature-dependent. However, the fluid is, and it expands and
contracts with increased and decreased temperatures. With certain fluids, the effect on level is
noticeable in hot applications with large differences in temperature between the chamber and
the tank. Insulating the chamber minimizes the temperature changes. This is especially
important for applications with saturated steam, since the radar measurement is dependent on
the dielectric properties of the steam. See “Incorrect static vapor compensation” on page 78 for
details.
Figure 5-16. Temperature drop in the chamber without insulation
Error
Error
Error
Inlet-pipe clogged
Error
300 °F (150 °C)
SG=0.80
150 °F (65 °C)
SG=0.85