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FT-50 Fill Level Inspector Service Manual
6-42
The Dynamic Reject Point Test
The Dynamic Reject Point Test is used to verify the inspection
accuracy under production conditions. You need thirty 100 percent
reject production containers to perform this test.
1. Start the conveyor and run it at production speed.
2. Press the Arrow Key and you are instructed to run thirty 100
percent reject containers through the FT-50. Start them far
enough upstream so they do not slide on the conveyor as they
pass through the inspection area.
The FT-50 must reject all 30 containers in order to establish the
Dynamic Reject Margin. The Dynamic Reject Margin
compensates for fill level variance due to conveyor motion.
3. If during this test the message LOW MARGIN, RAISE 1 TICK
appears, then a container has failed the test. You must raise the
inspection head 1 tick and then press the Arrow Key to repeat
the test.
4. When the test is completed the Dynamic Reject Margin is
displayed. The margin is typically 2-3 sigma. If the sigma is out
of this range, you may be instructed to repeat the test at a lower
setting. Press the Arrow Key to repeat the test.
5. If the margin is within the 2-3 sigma range, COMPLETE is
displayed. Press Key 1 to proceed to the Dynamic Product
Good Test.
Industrial Dynamics Company, Ltd. Document 40255-0600
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