ILT950 Spectroradiometer System

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Most Cost-Effective, Fully Calibrated, Turn-Key, Portable, CCD-Based Spectroradiometer Available.

  • Range 250 nm to 1050 nm
  • 1.4 nm Resolution
  • NIST-Traceable Calibration Included
  • ILT950 Applications include:
    • LED Illumination and Color Analysis
    • Characterization of UV Curing Systems
    • Photostability Testing
    • Accelerated Weathering
    • Solar Simulation
    • Photobiology and Photochemistry

Improving on the RPS900 and ILT900 spectrometers, the ILT950 NIST-Traceable Spectroradiometer is capable of measuring 250 to 1050 nm down to 1.4 nm resolution (with 25 micron slit installed).

The ILT950 is equally at home on the production floor as well as the laboratory, combining high performance, accuracy, ease of use, and a wide array of features all in a rugged, compact, portable design.

ILT950 Calibrated Spectrometer

ILT950 Shown with Integrating Sphere & Laptop Computer
(Sphere and computer sold separately)

The ILT950 comes as a turn-key package complete with NIST-traceable calibration for making the widest array of standard irradiance and color measurements straight out of the box.

Typical applications include characterization of UV curing systems, photostability testing, accelerated weathering, solar simulation, photobiology and photochemistry, LED illumination and color analysis.

The ILT950 comes complete with input optics, software, cables, instruction manual, and NIST-traceable irradiance calibration with certificate. A long list of optional accessories (below) can tailor the ILT950 to almost any application.

Interested in the ILT950 Spectroradiometer and want to know if it will work for your application? Please tell our applications engineers more about your application - click to download our Spectroradiometer Inquiry Form

PLEASE NOTE: A lower cost, uncalibrated version of the ILT950 for light measurements that do not require NIST traceability is available. Please call ILT at 978-818-6180 and ask for Systems Sales for product and pricing details.

 

ILT950 Spectroradiometer Specifications

Spectral range: 250 to 1050 nm

Stray light rejection: 0.1%

Resolution: 1.4 nm (with 25 micron slit installed)

Radiometric Accuracy:

  • 400 - 1050 nm: ±9.5%
  • 250 - 400 nm: ±10.0% *

Sensitivity: 40 photons per count at 600 nm

Focal Length: 75 mm

Dynamic Dark Correction: yes, electronic DSP.

Dark current from the first 30 pixels of the CCD is measured and dynamically subtracted from the overall signal.

Non-Linearity Calibration: yes

CCD Array: Sony ILX554B

Temperature Range: 15 - 40°C

Input/Output:

  • Extended I/O
  • Digital and Analog
  • Signal Processing
  • External Sync.
  • External Trigger

Size: 1-3/5” H x 5” W x 7” L

System includes:

  • ILT950 Wideband Spectroradiometer
  • SpectriLight III Software (Requires: Windows XP or 7, Pentium II 300 MHz or better)
  • Carrying Case
  • FFO600SC 1 meter long fiber
  • W2 cosine correcting receptor
  • OCAL/N/VS950 calibration

 

Optional Accessories

 
10-inch integrating sphere INS250N 10-inch Integrating Sphere
The INS250N Integrating Sphere is a versatile 10-inch integrating sphere capable of measuring a wide variety of light sources from small miniature sources such as miniature halogen lamps, LEDs, small neon lamps up to larger sources such as high power LED modules and many automotive lamps.

The large 37.5 mm (1.5”) diameter ports can accommodate a wide variety of light sources including high power LED modules and most automotive lamps.

The included built-in standard transfer lamp and 5VDC power can be used to accurately adjust calibration for almost any application.

Calibration required (sold separately)

Also available: 12", 6", 4", 2" diameter Integrating Spheres.
 
6-inch Integrating Sphere for use with rps900, ilt900, and ilt950 spectroradiometers INS150 6-inch Integrating Sphere
The INS150 6-inch integrating sphere was designed as a powerful accessory to the ILT950 spectrometer for LED measurements.

It is equipped with a precision 1 cm2 area input aperture, facilitating measurements of flux, irradiance, or beam candela according to CIE procedure 127.

Includes a MagPro magnetic mounting blanchard for quick connection/disconnection of any of the available MagPro LED/Lamp holders.

Calibration required (sold separately)

Also available: 12", 10", 4", 2" diameter Integrating Spheres.
 
R2 Radiance Barrel for use with rps900, ilt900, and ILT950 spectroradiometer systems with additional calibration

R2 Radiance Barrel Specialized input optic for making luminance and radiance measurements with the ILT950.

Calibration required (sold separately)

 
Spot Finder

A706 Spot finder light source used to determine the measurement area of the R2 (ILT950) radiance head

 

W4 Mini Cosine Correcting Diffuser with 6.35 mm OD and ~10.92 mm length.

Screws onto ILT950 fiber optic via the standard SMA connector for tight-clearance applications requiring improved spatial response while maintaining the absolute smallest fiber diameter possible.

Calibration required (sold separately)

 

RAA2 Right-Angle Cosine Receptor special Quartz cosine receptor in a clear anodized aluminum housing permits measurement of light sources 90º to the fiber normal.

Calibration required (sold separately)

Currently Unavailable - Please contact ILT Sales for More Info.

 

SpectriLight III Software

SpectriLight III Software
Click on Photo to Open Larger Image
 

SpectriLight™ III is a LabView™ based software package for Windows that allows you to acquire spectral and color data. Analysis of the data is now calculated instantly within the same program - no exporting required! The NEW version of SpectriLight™ III (vastly improved from earlier RPS900 and first generation ILT900 control software) provides easy setting of all operating controls of the ILT950 spectrometer with an integrated data analysis package (previously an Excel™ export module) making your spectral analysis fast and simple. Wavelength range, integration time, scan average and other controls can be easily set through pop up windows, menus and tool bars. Absolute Irradiance and chromaticity are calculated instantly.

SpectriLight™ III comes standard with the ILT950 Spectrometer. The ILT950 is a high-speed, high-precision spectrometer intended for measuring irradiance in a production/laboratory environment. The ILT950 is calibrated with our NIST calibrated light source. Color data is calculated according to the human eye response (CIE 1931) and verified against NIST traceable data. The user interface of SpectriLight™ III is very powerful and easy to use minimizing the learning curve to operate the ILT950 spectrometer. SpectriLight™ III is LabView™ based software and can be easily customized for specific OEM applications. For API applications, Multiple DLL’s are available. Please contact our software engineer at ilsupport@intl-lighttech.com for more information.

Controls:

  • Real Time Screen Display: Instant display of Dark, Raw Data and calibrated Irradiance,
    Radiance and Power data. The %T/R and Absorption can be calculated.
  • Integration Time: 3 ms to 2 min
  • Scan Average: 1 to 999
  • External Trigger
  • Peak Find
  • Data smoothing
  • Scaling and zoom capabilities
  • Save to ASCII Text File
  • Export to Excel File
  • Data collection mode: Single scan, Continuous scan, Pre-Programmable Timer (TimeLine)
  • Print output: Print Screen and Report

Real Time Analysis:

  • Power analysis: Total, Visible, UVA, UVB, UVC and Photopic. LUX, Lumens and Radiance calculations.
  • Chromaticity analysis: x, y, u, v coordinates and display in CIE color spaces. Dominant and Complementary Wavelength and Color Purity. General Color Rendering Index (CRI) and 14 Special Color Rendering Indices, Correlated Color Temperature (CCT) and Duv.

Computer, Operating System Requirements:

  • Windows XP, 7; Pentium II 300 MHz or better

Technical Information

* Consult factory for more details on UV accuracy

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