1.2 Overview
6
1.2 Overview
The Radiometric Bulk Flow Meter LB 442 is designed for non-
contacting measurements of material on conveyor belts, screw
conveyors or chain belt conveyors as well as free fall installations.
The measuring system LB 442 utilizes the radiometric measure-
ment method, i.e. the attenuation of Gamma radiation passing
through the product being measured.
In order to obtain an optimum measuring effect at minimum
source activity, the ideal measuring geometry is calculated for the
respective measuring location and the source is designed accord-
ingly.
Radiometric measuring systems utilize radioactive substances
that are manufactured in compliance with official regulations and
which are protected by suitable shieldings. When handled prop-
erly, any hazards to personnel due to built-in radioactive
substances can be ruled out. As prescribed by law, these
measuring facilities may be operated only by specifically li-
censed persons with sufficient expertise and training.
The hardware and software of the LB 442 system makes it easy to
adapt the system to rather different measuring geometries and
measuring tasks. Therefore, the settings and parameters of the
measuring instrument have to be defined with care for the respec-
tive measuring task when taking the system into operation. The
system should be taken into operation and settings changed only
by persons who know how to work with the instrument. Therefore,
all users should read these operating instructions carefully. We
recommend documenting all settings in a setup protocol (see Ap-
pendix).
This instruction manual describes several possible measuring con-
figurations and instrument versions. The best system configuration
is selected for each measuring task during the planning stage.
Therefore, the respective project documentation has to be ob-
served and taken into account.
Before starting any work, please read this operating manual
carefully!
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