d. Reading Dosimeters.
Perform reader adjustment according to instructions provided every 1/2
hour or when the ambient temperature changes more than 5F (2.8C).
Ensure that dosimeters and reader are at the same temperature. If
dosimeters have been transported recently from a different
environment, allow at least ten minutes for temperature stabilization
prior to reading. Ensure that dosimeters are clean, dry, and
undamaged prior to reading.
Refer to TM 11-6665-236-12, Table 3-1, if any of the following steps
cannot be performed as described.
Step 1.
Turn the selector switch (1) on front panels to READ
position and ensure that the indicator light (2)
comes on, (Figure 5-27).
Step 2.
Grasp drawer handle and pull out drawer 17).
Lift
drawer cover (8), (Figure 5-28).
Step 3.
Record serial marking from the dosimeter base (9),
(Figure 5-29).
Step 4.
Grasp the dosimeter by folding straps backward and
using the strap fittings (10), (Figure 5-30), as
finger holds.
Step 5.
Place dosimeter on the base of the drawer-fitting
locator slot (11) in the base of dosimeter over the
locator tab (12) on the dosimeter-locating plate,
(Figure 5-31).
Step 6.
Unscrew the dosimeter cover (13) by rotating it
counterclockwise a bout 1/2 turn. Carefully lift the
cover off and set it aside in a clean place.
Step 7.
Ensure that dosimeter base (16) is positioned
correctly and securely on the dosimeter locating
plate. If necessary, adjust the dosimeter base by
grasping the threaded edge, (Figure 5-31).
IS0345
5-32
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