SCHOTT KL2500 Fiber Optic LED Light Source Illuminator

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SCHOTT KL2500 Fiber Optic LED Light Source Illuminator (250.400)

Introducing the SCHOTT KL 2500 LED Fiber Optic Light Source Illuminator – the ultimate innovation in cold light technology by SCHOTT. This cutting-edge illuminator boasts the industry's most powerful LED light engine, making it a top choice for advanced applications in life science and industrial stereo microscopy and macroscopy.

With its high light output and distinctive features, the SCHOTT KL 2500 LED is designed to meet the stringent demands of various applications. The exceptional brightness, equivalent to a 250-watt halogen cold light source, positions it as unrivaled in its class.

In industrial and life science scenarios, the SCHOTT KL 2500 LED Fiber Optic Light Source Illuminator utilizes cold light to illuminate objects with precision. Its multiple LED light engine offers a compelling alternative to traditional halogen cold light sources. Generating 1100lm brightness at the end of a flexible 9 mm Ø light guide, it matches the performance of a 250 W halogen cold light source, all while consuming less than 40 watts – a true environmentally friendly solution.

The illuminator ensures optimal heat management and operates near-silently, thanks to an extremely quiet fan. Specifically designed for microscopy, the Schott KL series illuminators offer a wide selection of Fiber Optic light guides within the KL series. Choose the SCHOTT KL 2500 LED for unparalleled brightness, efficiency, and versatility in your microscopy applications.

Single gooseneck and dual gooseneckRinglights, and Flexible bundles. Please contact our customer support team if you need assistance selecting the correct illumination components or package for your specific application. We are lighting experts who can help you with any microscope or illumination scenario. 


  • Multiple-chip white LED light engine
  • Continuous dimming from 0 to 100%
  • Compact high-quality housing with integrated handle
  • Small footprint and additional iron ballast for stability when used with goosenecks
  • 1,000 Lumens output at light guide end (light guides with active diameter of 9 mm)
  • PC controllable via USB
  • Connection for foot switch and remote control
  • Intensity control at three sensitivities (fine, standard, and coarse tuning)
  • LCD indicates brightness setting, operation mode, or error code
  • Electronic shutter function

General Data:

  • Part number: 250 400
  • Dimensions (WxDxH) | (mm) / (inch): 114 x 231 x 4.5” x 137/9.1” x 5.4"
  • Weight (kg): Approx. 3.6
  • Cooling: Low noise fan

Electrical Data:

  • Operating voltage, frequency: 90 - 264 V ~, 47 - 63 Hz
  • Input voltage (V): 24 V
  • Power consumption (VA): max. 80
  • Protection class: II
  • Overvoltage category: II
  • LEDs: 9 High-Power-LED white
  • Average LED lifetime (h): 50,000¹

Illumination Data:

  • Light flux (Im): 1,000²
  • Color temperature (K): Approx. 5,600
  • Light control: Electrical
  • Active light guide diameter: (mm) / (inch) Max. 9 / Max. 0.35"

Certification Marks:

  • Marking / Approval: CE / (power supply CE, UL, PSE)
  • EMV-class: B
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Product Brochure
KL Series System Diagram