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EXVC Collimator Kit

In order to accommodate applications where the X-ray flux is too high for both the detector and the electronics that process the X-ray spectrum, Amptek has developed a "Collimator Kit" to collimate the primary X-ray beam. This system is comprised of the EXVC Collimator Housing which slides over the 1.5 inch extender of either the XR100 box or the X-123.

The EXVC Collimator Housing can accommodate up to two Tungsten (W) collimator disks that are placed inside a bayonet holder in front of the detector. By selecting the appropriate Tungsten collimator disks, the user can reduce the incoming X-ray flux and allow the detector and electronics to process the X-ray spectrum. Seven different Tungsten collimator disks are provided with different size holes in order to allow for a wide range of applications.

The EXVC Collimator Housing is made of stainless steel and can also be used inside a vacuum chamber.

exvc collimator kit for the xr100 detector
Figure 1. EXVC Collimator Kit.

collimator kit for use with xr100
Figure 2. Mechanical dimensions. All dimensions are in inches except as noted.

The EXVC - Collimator Kit Includes

Stainless steel collimator housing
Brass Spacer
Tripod and mounting plate (included when ordering for use with standard 1.5 inch extender box)
Laser pointer
7 Tungsten (W) Collimator disks:

1 mm thick with 25 µm hole
1 mm thick with 50 µm hole
2 mm thick with 100 µm hole
2 mm thick with 200 µm hole
2 mm thick with 400 µm hole
2 mm thick with 1000 µm hole
2 mm thick with 2000 µm hole

All Tungsten disks are made of alloy HD17 (90% W, 6% Ni, 4% Cu).

All Tungsten disks and spacers have a diameter of 0.625 inches.

Optional: EXVC-W-SPACER
This Tungsten (W) Spacer /Collimator is 36 mm thick with a 300 µm hole. It is designed to stop and collimate x-rays greater than 150 keV that are produced from high energy tubes.

exvc collimator kit with XR100
Figure 3. EXVC collimator kit on the XR100.

exvc collimator kit with X-123
Figure 4. EXVC collimator kit on the X-123.

EXVC Collimator Kit Specifications in PDF format - 750 k

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Revised July 11, 2011