Ludlum Measurements 3100, Руководство пользователя

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2-8
Figure 2-10. Prevent Moisture Build-up
CAUTION
Although this instrument will operate at very high ambient
temperatures, battery seal failure may occur at temperatures as
low as 100 °F (37 °C). Should battery seal failure occur,
corrosion on the battery contacts may appear and battery
chemicals may damage interior components.
2.4.3 Desiccant. An airflow desiccant is provided to optionally dry the incoming air in the tritium chamber. A
switch on the instrument places this desiccant “IN-LINE” or “OFF-LINE” to the incoming airflow. A clear window
is provided to view the desiccant.
An electrometer desiccant is also used internally to ensure dryness of the electrometer board and gamma chamber.
A small window is provided internally to view the desiccant.
If either desiccant remains blue, when visually checked, it can then absorb moisture from the airstream. If the
desiccant becomes pink, it should be replaced. See Section 6.3 and 6.4 for the procedures to replace the desiccant.
The pink desiccant can be re-used once it is heated to dry off the moisture. See Section 6.3.2 or 6.4.2 on
rejuvenation.
WARNING
The silica used may cause irritation to the skin if handled
directly. Please take necessary precautions to avoid long-term
physical contact with the silica. Should handling of the
product be required, avoid rubbing your eyes or placing your
hands in or around your mouth, as the silica may also cause an
irritation of the digestive tract. Wash hands with mild soap and
water after handling.
2.4.4 Grease.
In order for the instrument to remain watertight, dielectric silicone grease must be applied to the
front-panel gasket. Anytime the instrument front panel is opened, grease should be reapplied in the front-panel
gasket slot.