GL SPECTIS 4.0 M

The primary goal in designing the new spectroradiometer was to develop a new modular technology for optical radiation measurements. The idea was to design an instrument which could be tailored to customers individual needs and still maintain laboratory grade accuracy.

Thermal stabilization applied directly to the detector reduces noise and the values of dark current, which directly improves the measurement capabilities of low-level signals, especially in the ultraviolet range (e.g. LED UV-C). The solution will also ensure independence from the ambient temperature in the application range.

The variable optical path module ensures flexibility in adjustment of the optical properties of the system to the nature of the measured signal by changing the aperture and filters. This solution allows the user to quickly adapt the instrument to particular measurement needs, often eliminating the need to install a dedicated measuring probe for each application. All while maintaining calibration parameters for all optical path configurations.

GL SPECTIS 4.0 M high-end spectroradiometer features the latest optical solutions for precise light quality control in a variety of applications. For demanding measurement applications in the laboratory or production environment, it is equipped with Peltier module, which reduces measurement uncertainty due to lower signal noise and minimized dark current levels.

With its universal modular design, GL SPECTIS 4.0 M is a perfect choice to easily build a dedicated measuring instrument. By adding an extra filter it is possible to extend spectral range for specific needs. When connected to an integrating sphere, the measurement of total luminous flux and radiant power is possible. When combined with luminance / radiance telescopic probes, specialized evaluation of optical radiation related hazards and light quality can be performed.

We value proper calibration procedures and smart system design. Each spectroradiometer is individually calibrated and before the Absolute Spectral Calibration process, various pre-calibration stages are performed, such as wavelength calibration, non-linearity correction, and stray-light examination.

Key Features:

• Spectral range from 200 nm to 1050 nm
• Measurement uncertainties of only ±0.0015 for standard chromaticity coordinates
• Integration times from 10 ms to 60 s
• Measurements illuminance levels of 1 lx feasible
• Dynamic range of the device is increased towards lower signal levels
• Cooled back-thinned detector to minimize dark current & noise levels
• Variable optical path for specific applications
• Shutter – for automatic dark current compensation
• Additional probes with quick connector and automatic detection
• Ethernet connection
• Dedicated GL AUTOMATION 4.0 M software for spectral analysis
• Optional filters on demand
• Rack housing available
• Increasing the dynamic range can be increased towards higher signal levels using advanced filters

Applications include laboratory and industrial measurements, daily quality control of LED production, UV and photobiological safety assessment and development of new designs of lighting fixtures.

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