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Safety Precautions
Element Basic User Guide
Page 8 of 21
2.5 RADIATION SAFETY
The electron microscope generates ionizing radiation when the electron beam is energized. The
detector is designed to have radiation leakage far less than the allowable level when properly
mounted with all covers and shielding in place.
EDAX warrants that its detectors and microscope interfaces when assembled and installed per EDAX
Engineers or Representatives, will provide Radiation Safety performance levels that will be in
compliance with the original Microscope design specifications.
Removal of any of the system's covers must be done by qualified EDAX Factory trained service engineers
or representatives. Opening covers or bypassing interlocks may expose users to radiation.
If the EDAX detector is removed from the microscope, it should be replaced by the original blanking port
cover provided by the microscope vendor.
Modification of covers or shielding or use of any other material than provided by EDAX or the
microscope vendor must be reviewed by a certified radiation expert and EDAX Inc. before use.
Caution: The radiation levels should be checked around the instrument after any service in
which covers or any radiation containment parts were removed.
2.6 EXTENDING DETECTOR WINDOW LIFE
Introduction
The detector is sealed with a very thin window to permit light element x-rays to easily pass through it.
When the window is damaged, this contaminates the atmosphere surrounding the X-ray detector which
in turn can degrade detector performance or cause detector failure. Damage to the window can be
caused by physical contact, excess vibration, exceeding pressure or temperature specifications, vapor
condensation, electrical discharge to the detector or other factors.
2.6.1 DO NOT ALLOW THE DETECTOR TO COME INTO CLOSE PROXIMITY OR CONTACT
WITH HIGH VOLTAGE COMPONENTS
Do not allow the detector to come into close proximity or contact with high voltage components inside the
electron microscope, e.g. the extraction grid of a video detector. This can lead to an unsafe electrical discharge to
the detector which may damage the window.