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Spectrolux Specifications

Spectral range 340-780nm
Detector CMOS sensor
Number of pixels 256
Physical resolution ~ 1.7nm
Wavelength reproducibility 0.5nm
Integration time 5ms to 10s
A/D conversion 16 bits
Signal to noise ratio 1000:1
Stray light 2*10E-3
Spectroradiometric accuracy* 4%
Illuminance** 1 lx to 200.000 lx
Irradiance 0.03 to 600 w/m2
Measurement uncertainty of color coordinates (x.y) 0.0015

*Absolute measurement uncertainty after calibration. The expected uncertainty corresponds to a coverage probability of 95% and the coverage factor k=2

**Measurement below 5 lx may require customization to obtain noted specification. Please discuss with technical sales.

Note: Instrument, firmware and software specification are subject to change without prior notice. All information included in GL OPTIC datasheets and product information available in any form are carefully prepared and included information believed to be true. Please note that discrepancies may occur due to text and/or other errors or changes in the available technology. We advise to contact GL Optic before the use of the product to obtain the latest product specification.

GL Spectrolux Metrics

The GL Spectrolux allows you to measure:

  • LUX – Illumination level lux [lx]
  • foot candles [fc]
  • SPD – Spectral Power Distribution from 380 -780nm
  • CRI – Color rendering index according to CIE – and IES TM30
  • CCT – Correlated Color Temperature [K]
  • COLOR – Color coordinates according to CIE 1931
  • PAR/ PPFD – Calculations of photon flux density and photosynthetically active radiation [µmol]

Plus many more on board the instrument and in our powerful Spectrosoft Analysis Suitesoftware! Contact us for a full list of metrics.

GL Spectrolux Features

Reliable, precise and intuitively operated spectral instrument

The Spectrolux spectral light meter delivers reliable and accurate optical performance with a budget friendly price. Dependable light measurement is no longer restricted to only experts or external laboratories. Our preconfigured, individually calibrated light measurement instruments deliver fast and precise results.

Class Leading Features:

  • Self Contained Handheld Spectrometer
  • Dark current compensation
  • DIN Class B measurement head
  • Photometric and Radiometric calibration

Powerful Reporting and Analysis Capability

The included Spectrosoft Connect software enables basic analysis and reporting capabilities that deliver the results that matter. Take your analysis to new heights by upgrading to our industry leading Spectrosoft Analysis Suite software. This flexible, easy-to-use tool offers completely custom reporting options, extended analysis capabilities, and unique tools like Lighting Audit Automation and Spectrum mixer.

Spectrolux Usage

At GL, we focus on developing professional instruments for light measurement in wide ranging applications that break the normal technical boundaries. Our portable light meters are built for everyday users, and not just for high end laboratories, R&D or incoming quality control. As the LED lighting market becomes more competitive and more professional installations and solutions are provided to the market, the need for reliable on-site measurements is increasing. Our compact devices have many practical applications, offering lighting professionals a simplified, yet dependable, spectral light meter.

This handheld spectral lux meter can be used to evaluate lighting installations, quick control of LED lamps and luminaires or even to support application and sales engineers to quantitatively highlight the advantages of modern lighting systems to customers. Finally, it can also be used for competitive insights by evaluating competitors’ products and installations.

Results At The Touch of A Button

Modern electronics and efficient design yield highly accurate results in seconds…every time. All important metrics are displayed instantly on the LED display, allowing you to make better assessments, faster.

Low Price, High Performance

The industry best DIN Class B cosine corrected measurement head is a standard accessory allowing for optimal measurement of light from the 180° measurement condition, according to Lambert’s Cosine Law.

Built To Last

Despite its attractive price, the Spectrolux illuminance light meter does not sacrifice quality of materials. Designed and manufactured in Europe, these solidly constructed devices are in a class of their own and ready for the rigors of field audits.


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