Excelitas X-Cite 200DC Metal Halide Fluorescence Illuminator

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DC Stabilized Fluorescence Light Source & Illumination System

The X-Cite 200DC fluorescence microscopy illumination system offers the ultimate combination of optical performance, short term stability and a built-in fast shutter. With the convenience and superior illumination uniformity found in all X-Cite systems, the X-Cite 200DC’s intuitively easy-to-use design also includes light guide auto-detection to ensure optimized light coupling – every time. Novice and experienced microscopists will enjoy the flexibility provided by the smooth 0-100% intensity adjustment and expanded spectral range of this advanced DC stabilized fluorescence light source.


  • DC lamp: Exceptional short and medium term intensity stability
  • Adjustable iris, 0-100%: Intensity control to avoid photobleaching and optimize illumination levels
  • Internal high speed shutter: Limits photobleaching and mechanical vibration transferred to microscope during automated imaging for better image quality
  • Liquid Light Guide: Superior illumination uniformity and elimination of heat transfer to microscope
  • Automatic Light Guide Detection: Ensures proper/complete insertion of light guide to optimize performance and extend lifetime
  • Pre-aligned 2000 hour lamp: Easy lamp replacement with no alignment required
  • Intelli-Lamp Technology: Maintains optimum lamp temperature; Monitors lamp hours


  • X-Cite 200DC Microscope Illumination System includes: Lamp module, liquid light guide with adaptor, foot pedal, grounded and shielded power cord, user guide (on CD), quick-start guide
  • Lamp: 200W Mercury Vapor Short Arc, DC
  • Lamp Life: 2000 hours guaranteed, 2500 hours typical
  • Adaptors: Compatible with microscopes from all major manufacturers
  • Filter: Bandpass, 340-800nm, non-removable
  • Shutter: Front panel button, foot pedal, TTL input/sync output. Response time: 5-6 ms trigger to open/close (TTL)
  • Iris: ND (Neutral Density) mesh, manual dial control, continuous non-detent motion from 0-100%
  • Warm-up Period: 4 minutes (typical)
  • Panel Controls: Power on/off, shutter open/close, manual iris adjustment dial
  • Panel Display: Accumulated lamp hours, status messages
  • Panel Status: Indicators Lamp on, shutter open, light guide insertion
  • Power Supply: Power Factor Corrected, Universal Input
  • Input Voltage: 100-240VAC, 50/60Hz
  • Current: 3.5A max at 120VAC, 2.0A max at 240VAC
  • Input Surge: 50A max (cold start)
  • Fuse Rating: Dual fuse: each rated at F5.0A 250V, 5x20mm type
  • Dimensions: 13.5″ x 7″ x 8″ / 34cm x 18cm x 20cm
  • Weight: 10.8lbs / 4.9kg
  • Certifications: CE marked, certified to IEC, Canadian and US Standards
  • Warranty: 1 year (Fluorescence illumination system, excluding lamp and light guide)

Additional information


Equipment Condition


X-Cite 200DC

Fluorescence Type

Metal Halide

Microscope Type

Stereo / Dissecting, Upright, Inverted