Fluke Biomedical TNT 12000 - Manual (Page 49)

Operation
How to Use the Dosimeter Detector (TNT 12000 DoseMate)
2
2-21
1. Move the HVL filter tray up the rod until the top scribe mark aligns with the top of
the filter tray. Tighten the thumbscrew.
2. Move the ion chamber holder up the rod until the top of the holder aligns with the
middle scribe mark. Tighten the thumbscrew.
3. Loosen the thumbscrew that holds the test stand rod to the base.
4. Hold the test stand rod and lift it away from the base. Turn the rod upside down and
re-attach it to the base and tighten the thumbscrew.
5. Attach the ion chamber to its holder.
6. Attach the triaxial cable to the ion chamber.
7. Use the cable clips to attach the cable down the rod.
W Caution
To prevent damage to the test equipment, attach the cable near
the bottom of the test stand. Make sure that the cable is not in
the X-ray beam between the tube and the ion chamber.
8. Put the test stand in the middle of the X-ray beam.
9. Attach the loose end of the triaxial cable to the input connector of the Dosimeter
Detector.
Note
To do an HVL test, put the HVL filters in the test stand filter tray.