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KL 1500 Compact halogen cold light source

The SCHOTT KL 1500 Compact is a powerful and reliable halogen cold light source designed for demanding industrial and scientific environments. Offering high-intensity visible light without infrared radiation, it guarantees optimal lighting for microscopy, precision inspection or imaging. Equipped with an electronic dimmer, an integrated heat filter and a silent ventilation system, it combines performance, safety and ease of use. Compact, stable and compatible with a wide range of light guides and filters, the KL 1500 Compact is ideal for all applications requiring powerful, continuous light without excessive heat.



Description

KL 1500 Compact: the high-performance cold light source for precision applications

The KL 1500 Compact from SCHOTT embodies the perfect combination of light output, safety and compact design. Specially designed to meet the requirements of laboratories, industrial environments and scientific applications, it provides powerful lighting without direct heat emission on the objects being observed. Thanks to its cold light source technology and its architecture designed for maximum efficiency, it is an indispensable tool in the fields of microscopy, macro observation, quality control and life sciences research.

This model uses a 150 W halogen reflector lamp combined with a high-performance heat filter to eliminate most infrared radiation. The visible light produced is then transmitted via flexible or rigid light guides, ensuring uniform and precise light intensity over the area to be illuminated. This system guarantees the protection of heat-sensitive samples while offering excellent user comfort. Whether for the analysis of sensitive materials or prolonged observation under a microscope, the KL 1500 Compact ensures continuous reliability without compromising optical quality.

The KL 1500 Compact also stands out for its ease of use and high robustness. Its electronic dimmer allows continuous adjustment ofthe light intensity, distributed over 6 levels. The integrated soft start significantly extends the lamp life while preventing harmful current peaks in the electronics. Efficient and quiet ventilation ensures that the operating temperature is maintained at an optimum level, further enhancing the system's durability. The user benefits from a stable, durable device that is perfectly suited for intensive use.

Designed to fit easily into any workspace, the KL 1500 Compact features a compact design with an integrated carrying handle, excellent stability thanks to an internal ballast, and standard connectors compatible with a wide range of SCHOTT accessories. The filter drawer can accommodate various optical filters, making it easy to adapt to specific applications such as fluorescence, phase contrast or environments requiring an adjusted colour temperature. Its sturdy, well-ventilated structure allows it to be used both on a bench top and as a mobile station.

The KL 1500 Compact is CE and CSA certified, ensuring compliance with the most stringent safety and performance standards. It is manufactured in Europe by SCHOTT, a world-renowned expert in optics, technical materials and precision lighting solutions. Thanks to its modularity, high-quality construction and constant light intensity, this cold light source is a reliable, versatile and durable investment for all professionals who value visual performance and thermal safety.

Features

  • High-intensity halogen lighting with integrated infrared filtration
  • Continuous dimming (6 brightness levels)
  • Soft start to preserve lamp life
  • Filter holder drawer with fixed positions and interchangeable filter
  • Visual safety indicators (hot surfaces, filter position)
  • Optimised internal ventilation for quiet and safe operation
  • Compact design with integrated carrying handle
  • Stable construction with internal ballast for better stability on the table
  • Compatible with a wide range of SCHOTT light guides and optical accessories
  • Easy maintenance with direct access to the lamp compartment

Technical Details

  • Product type: Halogen cold light source
  • Designation: KL 1500 Compact
  • Dimensions (W x D x H): Approx. 185 × 260 × 135 mm
  • Weight: approx. 3 kg
  • Cooling: Silent axial fan
  • Power supply: 90–264 V ~ / 50–60 Hz
  • Maximum power consumption: 180 VA
  • Protection class: I
  • Overvoltage category: II
  • Lamp type: Halogen reflector (Philips 6423, 6423 XHP / Osram HLX 64634)
  • Nominal lamp voltage: 15 V
  • Nominal power: 150 W
  • Average service life: 1500 hours (level 4) / 200 hours (level 5)
  • Operating temperature: +5 °C to +40 °C
  • Permissible relative humidity: Up to 85% (31 °C)
  • Permissible atmospheric pressure: 700 to 1060 hPa
  • Max. light guide diameter: 9 mm
  • Light output (typical): 250 lm (level 4) / 450 lm (level 5)
  • Light input angle: ≈ 53°
  • Heat-resistant filter: SCHOTT KG2, 45 × 45 mm, thickness 2 mm, tempered
  • Compliance: CE, CSA
  • EMC class: A

Compatible Accessories

  • Light guides: flexible or semi-rigid, in various diameters and lengths
  • Optical filters: for insertion into the filter holder or mounting on the optical output
  • Ring and linear lighting
  • Spare socket: Reference 974.12-011
  • Replacement lamps: 15 V / 150 W (Philips 6423, 6423 XHP or Osram HLX 64634)
  • Focuser: for adapting external filters

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