Filtec FT-70c, Service And Technical Reference Manual

Page: 86 / 243

Chapter 4: Configuring the FT-70 for Operation
4-17
Configuring the Inspection Looktime Gate
The Inspection Looktime Gate defines the time interval when the
radiation measurement is taken. This interval coincides with the
moment the container passes through the inspection beam.
Figure 4-8. The Inspection Looktime Gate.
1.
Activate the X-ray Generator by pressing Key 1 until X-RAY
SOURCE appears and then press the Arrow Key to activate the
generator.
2.
Start the conveyor and run it at the maximum production
speed.
3. If your FT-70 is not in the Calibrate Mode, Press Key 5 until you
reach SYSTEM DISPLAY and then press the Arrow Key to
enter the CALIBRATE MODE.
4. Press Key 5 until TIME WIDTH OF CAN appears.
5. Place a sample production container on the conveyor far
enough upstream of the FT-70 so that it does not slip on the
chain and is positioned correctly as it passes through the
inspection tunnel.
6.
Record the value that appears in the TIME WIDTH OF CAN
display.
1
2 3
5
4
No. Description
1 X-ray Counts
2 Container enters x-ray beam
3 Container exits x-ray beam
4 Time Width of Container
5 Looktime Gate
Industrial Dynamics Company, Ltd. © Form
40256-0600