
Cannot select the
required wavelength
Check that the wavelength ranges of instrument and DRA
are compatible. Refer to the Specifications
table.
Spare parts
The following spare parts are available from Varian for the Diffuse Reflectance
accessory. Only Varian-supplied parts should be used, unless specified otherwise:
Item Description Part number
1 x Mirror Alignment target 2010062590
1 x Ball driver
M4 3mm hexagonal ball driver
for horizontal mirror alignment
7210020800
1 x 5.5 mm AF nut drive
For vertical mirror alignment 7210024300
1 x Polarizer mount (already installed)
1 x Large PTFE
reference plate
1 ¾“ diameter 0410143990
1 x Protruding PTFE
reference plate
0410198890
1 x Alignment target Translucent mylar film 2418004400
1 x Sample clamp Spring clip sample clamp 0110335990
1 x Paddle clamp White plastic sample clamp 0110612200
1 x Small clamp Black plastic sample clamp 0818014600
2” Reflectance standards
Reflectance standards
(Spectralon) 2”, for use with
Diffuse reflectance accessories
9910080900,
9910081000, 9910081100
1” Color standards
Calibrated diffuse color standards
set for DRA. Set includes four 1”
D diffuse color standards. Red,
green, blue and yellow
9910084300
Alignment targets
l (nm) R l (nm) R l (nm) R
250 0.973 700 0.994 1900 0.985
260 0.976 750 0.994 1950 0.984
270 0.978 800 0.994 2000 0.981
275 0.979 850 0.994 2010 0.979
280 0.980 900 0.994 2020 0.978
290 0.982 950 0.994 2030 0.976
300 0.984 1000 0.994 2040 0.975
310 0.985 1050 0.994 2050 0.973
320 0.987 1100 0.994 2060 0.972
325 0.988 1150 0.994 2070 0.971
330 0.988 1200 0.993 2080 0.970
340 0.989 1250 0.993 2090 0.969
350 0.990 1300 0.992 2100 0.968
360 0.990 1350 0.991 2110 0.967
370 0.991 1400 0.991 2120 0.966
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