Tanks With Dish-Shaped And Conical Bottoms; Mounting Restrictions; General Notes - Ametek DR6500 Handbook

80 ghz radar (fmcw) level transmitter for powders and dusty atmosphere
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DR6500

3.6.2 Tanks with dish-shaped and conical bottoms

Dish-shaped or conical bottoms have an effect on the measuring range. The device cannot
measure to the bottom of the tank. If possible, install the device as shown in the illustration that
follows:
Figure 3-7: Tanks with dish-shaped or conical bottoms
1 Axis of radar beam
2 Minimum level reading

3.7 Mounting restrictions

CAUTION!
Follow these recommendations to make sure that the device measures correctly. They have an
effect on the performance of the device.
We recommend that you prepare the installation when the tank is empty.

3.7.1 General notes

LPR and TLPR devices
WARNING!
LPR (Level Probing Radar) devices measure level in the open air or in a closed space (a metallic
LPR (Level Probing Radar)
LPR (Level Probing Radar)
LPR (Level Probing Radar)
tank etc.). TLPR (Tank Level Probing Radar)
can use LPR devices for TLPR applications. For more data, refer to Radio approvals on page 9
Causes of interference signals
• Objects in the tank or silo.
• Sharp corners that are perpendicular to the path of the radar beam.
• Sudden changes in tank diameter in the path of the radar beam.
DR6500-PM-English-Issue 1
TLPR (Tank Level Probing Radar) devices measure level in a closed space only. You
TLPR (Tank Level Probing Radar)
TLPR (Tank Level Probing Radar)
www.drexelbrook.com
INSTALLATION
3
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27

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