FT-70 Fill Level Inspector Service Manual
1-4
Fill Level Inspection Basics
The FT-70 Fill Level Inspection system utilizes a
Container Radiation
Profile Comparison Principle
to create a radiation fingerprint of the
container.
To create a radiation profile a beam of x-ray radiation is directed
through the container. Some of the radiation is blocked by the
container material and container’s contents. The remaining
radiation emerges from the opposite side where the amount is
measured by a radiation detector.
Figure 1-2.
Scanning the container.
The amount of radiation measured is the containers radiation
profile, which is then compared against a master profile. Any
container that deviates from the master container profile fails
inspection and is tagged for removal from the production line.
A master container profile is created by scanning several normal
containers— containers that are filled to the proper level. The
average is then calculated and the median container profile is
determined.
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6
INDUSTRIAL DYNAMICS
Torrance, California USA
MODEL FT-50
FILL LEVEL INSPECTOR
4
3
5
1
2
1
3
2
No. Description
1 x-ray Source
2 x-ray Beam
3 x-ray Detector
Industrial Dynamics Company, Ltd. © 40256-0600
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