Appendix a: technical specifications – Bio-Rad Gel Doc™ XR+ System User Manual
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Appendix A: Technical Specifications
Model Gel
Doc
™
XR
ChemiDoc
™
XRS
Application
Chemiluminescence No
Yes
Fluorescence Yes
Yes
Chemifluorescence No
No
Colorimetry/densitometry Yes
Yes
Gel documentation
Yes
Yes
Isotopic imaging
No
No
Hardware specifications
Maximum sample size (cm)
28 x 36
28 x 36
Maximum image area (cm)
25 x 26
25 x 26
Excitation source
Trans-UV 302, (254, 365 nm
and white, optional),
epi white light
Trans-UV 302, (254, 365 nm
and white, optional)
epi white light
Illumination modes
3
Trans UV and white,
epi white
3
Trans UV and white,
epi white
Detector CCD
Supercooled
CCD
CCD resolution (H x V)
1,392 x 1,040
1,392 x 1,040
Pixel size (H x V in microns)
4.65 x 4.65
6.7 x 6.7
Cooling system
No
Peltier cooled
Camera cooling temp.
NA
–50
°C
Filter holder
3 positions
2-emission filter
1-chemi
3 positions
2-emission filter
1-chemi
Emission filters
1 included (amber),
4 optional
1 included (amber),
4 optional
Dynamic range
>3.0 orders of magnitude
4.0 orders of magnitude
Pixel density (gray levels)
4096
65,536
Dynamic flat fielding
-
Yes, <5% CV
Instrument size (cm)
36(L) x 60(W) x 96(H)
36(L) x 61(W) x 96(H)
Instrument weight (kg)
32
32
Software specifications
Application driven
Yes
Yes
Windows XP
Yes
Yes
Windows Vista
Yes
Yes
Mac OS X
Yes
Yes
Image file size (MB)
~2.5
~2.5
Operating ranges
Operating voltage
100/115/230 V ACnominal
100/115/230 V AC nominal
Operating temperature
10–28°C (21°C
recommended)
10–28°C (21°C
recommended)
Operating humidity
<70% non-condensing <70%
non-condensing