Chapter |
Operation
Confidential, limited rights
PN AA83865 | Revision A | 25-Oct-2019
Instruction Notice, ARL EQUINOX 5000-5500
Page
40
7.5 Sample Holder
All ARL EQUINOX 5000/5500 instruments are shipped with a basic non -spinning sample
holder suited for powder measurement in reflection mode. This sample holder is necessary for
adjustment and alignment and can be used for measurement as well.
1 -
Indicator of the incidence angle Ω
2 - Sample clamp
3 - Positioning pin
4 - Plate for analysis of sample
The non-spinning sample holder is designed to be easily used. The sample holder is equipped
with a positioning pin to avoid any position mistake, an incidence angle indicator to read the
incidence angle and a sample clamp to maintain the powder sample mount.
Insert the sample holder in the
sample holder mounting hole of the
instrument (5), do not use any
unnecessary force. The sample
holder and the mounting hole (ø 30
mm) are designed to avoid any
mechanical clearance resulting in
irreproducible results. The pin (3) of
the sample holder has to be inserted
in the reference hole (6).
The incidence angle indicator consists of two rings. One ring is fixed while the second one is
free. This allows the sample holder to rotate in order to change the incidence angle. This
second ring can be tighten to avoid changes of the incidence angle. The way of reading the
incidence angle indicator is described in the picture below. The longest line represents the
incidence angle equal to 0°. Each short line represents 2° of incidence angle. The medium
long lines represent 10° of incidence angle. The indicator then serves to read the total
incidence angle.
