Typical window applications are shown below: |
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Line focus | Point focus |
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| Debye - | Scherrer camera | |
Powder | diffractometer | ||||
Guinier | camera | Texture | goniometer | ||
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| Laue camera |
Weissenberg camera
Precession camera
Reciprocal lattice explorer
3.6.CHANGING THE
To change the
1. Switch off by pressing the GENERATOR 0
3. Drain water from the instrument by opening the air inlet valve next to the water inlet and outlet connections, and wait until air has filled the system. Some water may run from the air inlet valve.
4. Loosen the two captive screws at opposite corners on the top of the tube shield. The
!DO NOT TOUCH THE BERYLLIUM WINDOWS. These windows are thin, and can be poisonous to the skin. Do not remove the
(safety circuit actuated) see Service section.
5. Select | the new tube and insert into the | tube | shield, | after first | checking the condition of the | “0” rings | |
for | the | water tubes. There is a locating | pin | on the | top of the | tube shield to ensure correct | positioning of |
the tube. Tighten the two fixing screws. |
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NOTE: | The tube shield is designed to accept |
For other tubes a spacer ring, such as PW 1043, will be necessary when the dimension from the underside of the tube base to the centre of the tube base to the centre of the tube window exceeds 21 mm. Note that dimension "a" must not exceed 120 mm.
Fig. 3.3.