GL SPECTIS 4.0 UV VIS NIR

Optimized solution for fast and accurate characterization UV-VIS-NIR radiation sources

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Precise testing of special lamps and sources

Increased usage of UV LEDs necessitates applications of accessible and reliable measurement tools. Radiant power at exact wavelength value is very important to design and to evaluate systems involving UV radiation.
On the other hand, inferred LEDs used in sensor technology and machine vision systems require dependable performance testing to help optical engineers and system engineers develop better solutions.
Our light spectrometers are individually calibrated to deliver precise results quickly; with options to include our industry leading Spectrosoft Analysis suite for advanced analysis and reporting.
Usable spectral working range of GL Spectis 4.0 starts at 200nm and goes up to the 1050nm. Dedicated thermal adjustment allows stable readings at different application temperatures up to 35 °C . Due to proper calibration, absolute UV spectral values are free of stray light impact. Wavelength and linearity correction are verified with the use of an optical bench. Absolute readings are well aligned to the black body radiation standard and checked with the deuterium lamp for short UV range. UV and IR measurements with GL Specis 4.0 can fill the gap in a variety of new LED applications.

Accurate. Compact. Traceable

The GL Spectis 4.0 optical light meter features a large laboratory grade back thinned CCD sensor from Hamamatsu delivering extraordinary stability over longer exposure times. The device is calibrated with the use of reference standards which are traceable to National Laboratories and confirmed by the globally recognized factory calibration. Electronic dark current levels are monitored automatically with intelligent compensation for any drift due to temperature fluctuations.

The Latest Technology

The GL Spectis 4.0 USB spectroradiometer features the latest photonics solutions for precise light quality control in a variety of applications. For demanding measurement applications in the laboratory or production, this fully calibrated optical spectrometer is the ideal solution. Just connect it to a PC to be used in the lab, production or other industrial location where light or any other optical radiation must be measured.

Flexibility for Leading Industry

With the universal design of Spectis 4.0 , you can easily build a dedicated measurement system. By adding any of our optical probes, this instrument can measure irradiance with standard diffusor or fiber optic probes. When connected to an integrating sphere, the measurement of total luminous flux and radiant power is available. When combined with luminance / radiance telescopic probes, specialized evaluation of optical radiation hazards and quality can be obtained.

Accessible Laboratory Optical Spectroradiometer

Beyond the General Lighting Applications

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Disinfection lamps

Optical radiation in UVC range is widely used for air, water or surface disinfection. The effectiveness of the UVC radiation against viruses, bacteria, yeasts and fungi depends on the wavelength. The LED binning and batch to batch variation can be verified when working with UV LEDs in purification systems. Read more about UV measurements for disinfection of air, water and surfaces on our blog

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Pest control

Peak wavelengths shifts, even within the same LED bins, can reduce the catch rate by half. Insect traps with UVA radiation need to be properly measured since the catch rate strongly depends on the wavelength and intensity distribution of the lamps.

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Medical lamps

At UVB medical skin treatment, applications controlling narrow band emission at 311 nm is critical due to hazardous side effects. A spectroradiometer which is stable in time, repeatable and calibrated is the answer for safe production of UV radiation products.

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Radiant Intensity Distribution (RID)

Medical lamps manufacturers and other technology companies use the GL Spectis 4.0 optical spectrometer in a combination with our table top goniometer system GLG 4-500 for the verification of spatial intensity distribution of light sources in UV or IR range. This helps in improved optical radiation characterisation of speciality systems and ensures proper distribution of UV radiation or IR signal.

GL Spectis 4.0 Usage

This measuring instrument was designed to meet specific requirements in advanced applications. It covers an extended spectral range from 200-1050nm (UV VIS to IR). It features high performance optical components and is delivered with a multi-step and traceable factory calibration. Its compact housing helps with easy integration with stationary laboratory measuring stands or production testers. As being USB controlled, it can be connected to a PC whilst SMA fiber optic connection allows easy connectivity.

Extraordinary Optical Performance

The GL Spectis 4.0 spectroradiometer has been optimized for demanding tests and measurements and has consistently delivered the accuracy comparable to a lot more expensive and complicated metrological instruments. Stray light rejection system and automatic temperature compensation helps to achieve accurate and precise results.

Professional LED characterization

This Spectroradiometer is ideal for LED measurements and for this it can be paired with any of our integrating spheres and goniometer systems for advance measurements in accordance with CIE 127:2007 and CIE 025/E:2015. The high accuracy and resolution make it an ideal instrument for measurements confirming to (IES) LM-79-08 and other international standards.

GL Spectis 4.0 Features

Extended Spectral Range

With a wide wavelength range from 200 to 1050nm, the Spectis 4.0 spectroradiometer allows for measurements in accordance with a number of standards, including Photobiological Safety (EN 62471) or measurement of SSL products (IESNA LM-79-08).

Photometric and radiometric calibration

An absolute spectral calibration is integrated into each spectrometer before the delivery. It enables the accurate measurement of different absolute values such as lux, candela or lumen together with radiometric values depending on the measurement accessory installed.

Dark Current Compensation

Despite the fact that it is not a cooled detector instrument, GL Spectis 4.0 light spectrometer is ready to provide very accurate measurements in different conditions. A temperature sensor installed on the electronic board monitors changes in temperature and automatically compensates for any change in the dark current level providing excellent measurement stability.

Variety of integrating spheres and probes available

With the universal concept and design of the Spectis 5.0 Touch, you can easily expand your measurement system by adding any of our integrating spheres or additional accessories.

GL SPECTIS 4.0 Metrics

Our preconfigured, individually calibrated spectral light meters deliver fast and precise results for nearly any practical light measurement application. It enables to measure in seconds and review the results with the included software.

Using the GL Spectis 4.0, you can measure any or all of the following optical quantities:

  • Lux – irradiance
  • Lumen – luminous flux
  • CRI – color rendering index according to the CIE
  • CCT – the color temperature according to standard CIE
  • Color – the chromatic coordinates of the CIE 1931 and CIE 1964
  • Fidelity and Gamut – method for evaluating light source color rendition according to TM-30 IES standard
  • PAR/PPFD – photosynthetic active radiation measurements for horticulture
  • EML – biological effects of light on humans in equivalent melanopic lux
  • mWatt – radiation energy
    + many more!
    Whatever your application, our precise Spectis 4.0 spectrometer is ideal.

GL SPECTIS 4.0 Specifications

APPLICATION
ApplicationHigh precision laboratory and industrial measurements
LED MEASUREMENT
Illuminance (lux)*5 lx – 150 000 lx (GL Spectis 4.0 UV-VIS-NIR)
Luminance [cd/m²]Available with optional GL Opti Probe
Luminous flux [lm]Available with optional GL Opti Probe
Luminous intensity [cd]Calculated in SPECTROSOFT
Illuminance classClass B – DIN 5032-7;
Class A on demand
Class AA – JIS C 1609-1:2006
Tolerance – cosine response (f2‘)< 3 % (1,9 %)
Spectral range**200 – 1050 nm (GL Spectis 4.0 UV-VIS-NIR)
200 – 430 nm (GL Spectis 4.0 UV)
PHOTOMETRY / RADIOMETRY
SensorBack-thinned type CCD
Number of pixels2048
Physical resolution / datapoint interval~ 0.5 nm
Wavelength reproducibility+- 0.5 nm
Integration time10 ms – 10 s
A/D converter16 bit
Signal-to-noise ratio1000:1 (GL Spectis 4.0 UV-VIS-NIR)
500:1 (GL Spectis 4.0 UV)
Stray light2*10 E-4
Optical resolution / FWHM2.5 nm (GL Spectis 4.0 UV-VIS-NIR)
0.3 nm (GL Spectis 4.0 UV)
Radiometric accuracy**/***/****6 % within range 200 – 220 nm
5 % within range 220 – 500 nm
4 % within range 500 – 1050 nm
Flicker compensation
Temperature sensor and dark current compensation
Uncertainty of color coordinates***+- 0.0015
Automatic accessory detectionN/A
Operating temperature5 – 35 °C
Dimensions [H x W x D]70 mm x 170 mm x 200 mm
Weight1660 g
Tripod adapter
INTERFACE & MEMORY
USBUSB 2.0
TriggerPluggable terminal block 4 pin
Data formatXML
Fiber optic connectorSMA with fixed position system
DISPLAY & OPERATION
Operationdedicated PC software
SOFTWARE
SoftwareGL SPECTROSOFT Basic / Pro / Lab /
Development kitDLL driver
ORDERING INFORMATION
Case
USB cable

* Dynamic range is spectrum related and should be calculated separately for any light source. Estimated dynamic range for typical 4000 K white LED.
Range estimated for optical system made to default specification. Alterations of that are often possible. Please consult technical support if you are looking for specific parameters.

** Spectral range of the sensor. Actual spectral range of system may be reduced due to limitations of used optical accessory.

*** Absolute measurement uncertainty immediately after calibration. The expanded uncertainty corresponds to a coverage probability of 95 % and the coverage factor k = 2.
Parameters valid in laboratory conditions 25deg C, relative humidity 45%.

**** Applies only within the spectral range of the given model.

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.

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