Berthold DUO XPERT LB 470RID, Operating Manual

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LB 470RID Level 7 Main Menu Device Setup
56925-1BA2 Rev.02, 05/2021
121
GPC
2
Device Setup | Setup | Calibration | GPC
If the container is operating under gas pressure and the gas pressure is not con-
stant, then a continuous gas density compensation is recommended. For this
purpose, an additional measurement is required which is located above the level
measurement and which continuously measures the gas density in the container.
NOTICE
For the gas property compensation (GPC) an additional detector is mandatory to
measure the gas density. This detector is connected with the LB 470RID level eval-
uation unit, via a slave module, or via another LB 470RID evaluation unit.

Add this detector according the instructions in chapter 7.3.2 and activate it as
GPC detector Fig. 55.
1
2
3
4 Gas
Point source / shield
Point source / shield
Product 5
6
7
8 Point detector
Rod detector
Master EVU
Slave module
Fig. 92 GPC example measurement arrangement
NOTICE
This functionality presupposes comprehensive knowledge and should only be acti-
vated by a Berthold service technician or a specially trained and instructed person.
2
GPC = Gas Property Compensation