Variable Angle Reflectance Attachment
The curve shown above has been scanned at an angle of reflection of 60°.
It contains maxima of zeroth to fourth order.
18.8 Care and maintenance
Caution! Contamination of reflectance attachment!
Take care not to damage the mirrors by contamination. Observe the instructions on the
care of mirrors.
• Keep all mirrors of the reflectance attachment free of dust and grease!
Don't touch mirror surfaces with bare fingers!
• Remove dust particles on mirrors using a soft, clean and grease-free brush.
• Carefully wipe off traces of grease from mirrors using a cotton swab soaked
with distilled water and curd soap. Don't exert any pressure in wiping.
Then, wipe with a new cotton swab soaked with distilled water only.
Finally, dab metal mounts dry.
• Carry and store the absolute reflectance attachment only in a closed box.
18.9 Technical data
Angle of reflection 11° – 60°
Graduation of angular scale 1°
Accuracy of angular adjustment 0.5°
Vignetting of beam in angular range 11° ... 15°
Minimum sample size 12 mm x 10 mm
Maximum sample thickness 30 mm
Illuminated sample area 2.5 mm x 6 mm to 2.5 mm x 12 mm, depending
on adjusted angle of reflection
Reference sample Aluminized mirror with protective coating
Dimensions 165 mm x 115 mm x 135 mm
Size of large tabletop 115 mm x 80 mm
Size of small tabletop 70 mm x 80 mm
Weight ca. 2 kg
User’s Manual SPECORD 200/205/210/250 – Accessories 07/2005 123
Analytik Jena AG
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