−
5
−
ME12044A
4.
SPECIFICATIONS
4.1
Goniometer Section
(1)
Spectrometer section
(a)
Optical system
: Curved-crystal spectrometer system
(b)
Rowland circle radius
: 320 mm
(c)
Scanning method
: Biaxial link pulse-motor driven
(d)
Scanning range
: 2
θ
= 30
°
to 90
°
(2)
Monochromator section
Movable range (Min. step)
:
ω
-axis
±
3
°
(1/1000
°
)
tilt-axis
±
3
°
(1/1000
°
)
Z-axis
±
3 mm (1/100 mm)
(3)
Slit section
Movable range (Min. step)
: Divergence slit: 0 to 8 mm (1/100 mm)
Receiving slit:
0 to 8 mm (1/100 mm)
4.2
Counter and Electronic Circuit Section
(1)
Proportional counter (S-PC)
I
0
(Incident X-ray intensity) detection
(a)
Amplifier
: Fixed gain
(b)
High-voltage power supply and pulse-height analyzer (HV/PHA)
(i) Lower level
: 0 to 5 V
(ii) Upper level
: 0 to 5 V
(iii) Output voltage
: 0 to 1500 V
(c)
Filled gases
Ne
: For the low-energy region (5 to 7 keV)
Ar
: For the medium-energy region (6 to 15 keV)
Xe
: For the high-energy region (Over 15 keV)
(2)
Scintillation counter (SC)
For measurement of transmission X-rays and florescence (common use)
: Diameter: 1.5 inches
(a)
Amplifier
: Fixed gain
(b)
Pulse-height analyzer (PHA)
(i) Lower level
: 0 to 5 V
(ii) Upper level
: 0 to 5 V
(c)
High-voltage power supply for detectors
Output voltage
: 0 to 1500 V
