Chemiluminescence No Fluorescence* Yes Colorimetry/densitometry Yes Gel documentation Yes Hardware Specifications Maximum sample size 28 x 36 cm Maximum image area 19.4 x 26 cm Excitation source Epi-white light and trans-UV (302 nm) are standard (optional 365 nm lamp available); optional trans-white conversion screen and XcitaBlue™ UV/blue conversion screen available Illumination control 3 modes (trans-UV, trans white, epi-white) Detector CCD Image resolution 4 megapixels Pixel size (H x V) 4.65 x 4.65 µm Filter holder 3 positions (2 for filters, 1 without filter) Emission filters 1 included (standard), 3 optional Dynamic range >3.0 orders of magnitude Pixel density (gray levels) 4,096 Dynamic flat fielding Application specific, for all applications Instrument size (L x W x H) 36 x 60 x 96 cm Instrument weight 32 kg Operating Ranges Operating voltage 110/115/230 V AC nominal Operating temperature 10–28°C (21°C recommended) Operating humidity <70% noncondensing Automation Capabilities Workflow automated selection Application driven; user selected or recalled by a protocol Workflow automated execution Controlled by a protocol via application specific setup for image area, illumination source, filter, analysis, and reporting Workflow reproducibility 100% repeatability via recallable protocols; from image capture to quantitative analysis and reports Autofocus (patent pending) Precalibrated focus for any zoom setting or sample height Image flat fielding** Dynamic; precalibrated and optimized per application Autoexposure 2 user-defined modes (intense or faint bands) *Use the optional XcitaBlue kit if performing SYBR® Safe DNA applications, because the UV to blue conversion screen allows you to visualize DNA samples while protecting against UV damage.

**U. S. patent 5,951,838.