Density Meter LB 444 SECTION 1. INTRODUCTION
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1.2 Overview
The Density Meter LB 444 is designed for density measurements of liquids, sus-
pensions, pulps and bulk materials. The measurement may be made directly in-
line or in a product container or tank.
The density measuring system LB 444 utilizes the radiometric measurement
method, i.e. the attenuation of Gamma radiation passing through the product
being measured.
In order to obtain the optimum measurement effect at a minimum source activity,
the measurement geometry is optimized for the specific measuring location and
the source is designed accordingly. The installation details and the source and
detector design are specified when preparing the quotation, and documented by
drawings, sketches and descriptions. To ensure the proper function of the
measurement, it is therefore important to observe these documents closely
when installing the shielding with the source and positioning the detectors.
Radiometric measuring systems utilize
radioactive
substances
which are
manufactured in compliance with regulations and which are protected by suit-
able shieldings. When handled properly, no hazard to persons due to normal
operation of the device exists.
The hardware and software of the LB 444 system makes it easy to adapt the
system to a variety of measurement geometries and measuring tasks. There-
fore, the settings and parameters of the measuring instrument must be defined
with care for each specific measuring task when commissioning the system. Im-
portant parameters may not easily be changed once the system is operational.
The system should commissioned and set-up only by persons who are familiar
with the instrument. Therefore, all users should read these operating instructions
carefully. In addition, we recommend documenting all settings in a setup proto-
col (see Appendix).
This instruction manual describes several measuring configurations and instru-
ment versions. The optimum system configuration is selected for each measur-
ing task during the planning stage. Therefore, the specific project documentation
must be used to configure the system.
Before starting any work, please read this operating manual carefully!
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