103158-01EN [U8998465], Rev. A, April 2012
4 Safety Information
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DO NOT USE the workstation if it exhibits any sign of damage, as doing so could result in unintentional emission of
stray radiation. If any damage is found or suspected, have a qualified professional perform a radiation safety test and
repair the workstation.
Figure 2-1 Caution radiation label on top of test stand
2.2
Safety Interlock Structure
This mandatory feature ensures that the DELTA Portable Workstation functions as a closed-beam X-ray system. To
establish a radiation-safe test chamber, the lid must be completely closed over the test platform. Until this condition is met,
no test analysis or Cal Check procedures can be initiated.
Examples of the safety interlock structure:
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If the lid is not closed (the safety interlock structure is not engaged for X-ray emission), the Cal Check button or Start
Test button is disabled (grayed out). It is not possible to force the X-ray On condition.
•
If the lid is opened during an active test, the X-ray tube turns off immediately, and a “Test Aborted” message is
displayed.
The instrument turns off.
2.3
X-Ray Indicator
The X-ray indicator is located on the top of the test stand (see Figure 2-1 on page 4). This indicator consists of a four-
element amber LED array and has two key functions:
X-ray indicator continuously On (solid amber LED array)
This signifies that the X-ray tube is enabled.
X-ray indicator flashing On (blinking amber LED array)
This signifies that the analyzer is emitting X-ray radiation through the analysis window.
2.4
Software Proximity Sensor
Within one second of the start of a test, the analyzer detects the sample in front of the measurement window. If no sample
is detected, the X-rays automatically turn off.
2.5
Shut Down Under Emergency Conditions
If you believe that the analyzer is locked up in an On condition, and the amber LED array continues to blink, perform the
following procedure.
X-ray indicator cutout
