Berthold Duo Xpert - GPC

LB 470 Level 7 Main Menu Device Setup
56925BA2 Rev. 03, 11/2017
117
GPC
Device settings | 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.
1
2
3
4
5
6
7
8
Gas
Point source / shield
Point source / shield
Product
Point detector
Rod detector
Master EVU
Slave module
Fig.
97 GPC example measurement arrangement
NOTICE
This functionality presuppose comprehensive knowledge and should only be ac-
tivated by a Berthold service technician or a specially trained and instructed
person.
You can make the following settings in the submenu GPC (gas properties compen-
sation) (Fig. 98):
• GPC calibration
o Reference count rate
o Background
o Factor M
o Max. GPC factor
• GPC settings
• Reset GPC