GS-1290 Spectroradiometers

GS-1290 Spectroradiometers provide high accuracy and near perfect repeatability. Multiple models cover UV, Visible and near-IR wavelengths for use in a wide range of testing applications. GS-1290 spectroradiometers are designed for laboratory use and quality control applications.

GS-1290 Spectroradiometers feature millisecond measurement speed, exceptional low-light measurement capability and superior blue-light region sensitivity at least two times greater than conventional front illuminated CCD-based systems. GS-1290 Spectroradiometers are ideally suited for testing LED color and luminance, flat panel displays, retroreflected color, reflectance, transmittance

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Testing Applications
  • LED Testing
  • Display Measurement
  • Reflectance and Transmission Testing
  • NVIS Testing

Features

  • Multiple models covering UV, Visible and near-IR wavelength ranges
  • Large dynamic range and low stray light
  • Exceptional accuracy via high-resolution bandwidth coverage
  • Near real time (millisecond) measurement speed
  • High sensitivity and spectral resolution
  • High-quality TE cooled back-thinned CCD detector for high sensitivity and stability
  • Superior wavelength and color accuracy
  • Thermal and mechanical stability
  • NIST-traceable field-calibration
  • Self-calibration (system never has to be returned for calibration)

Accessories

Integrating Spheres

2M-Integrating-Sphere

 

Available in a wide range of sizes from 25mm to 3m in diameter. Multi-purpose integrating spheres provide maximum flexibility and are custom built to meet your exact testing requirements. Light measurement spheres for LED testing are optimized for capturing total flux measurements of LEDs.

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Goniometers

940 LED 1200 Goniometer

 

Gamma Scientific’s 940 LED-1200 and 940 LED-1850 Goniometers are designed to analyze angle dependent spatial radiation properties of LED luminaires, lamps and modules.

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Calibration Light Sources

RS-14 Uniform Light Source

 

Gamma Scientific manufactures a wide range of calibration light sources. The RS-10D is a precision source of radiant flux used to calibrate spectroradiometers and other light measurement instrumentation. The RS-12 is a versatile light source that can be used as a white light standard of spectral radiance or luminance, with optimal near-infrared output for spectroradiometer calibration.

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Data Sheet (PDF)

 

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GS-1290 Spectroradiometer Specifications

 

Detector and Wavelength Specifications
Spectroradiometer GS-1290-1 GS-1290-2 GS-1290-3
Nominal Spectral Range 200-800 nm 200-1100 nm 360-940 nm
Datapoint Interval 0.6 nm 0.9 nm 0.6 nm
Spectral Bandwidth
(Built-in User Selectable Half-Power Bandwidth
(HPBW). Factory Setting in Bold)
10 nm
5.0 nm
2.5 nm
1.4 nm
1.0 nm
20 nm
10 nm
5.0 nm
2.7 nm
1.8 nm
10 nm
5.0 nm
2.5 nm
1.4 nm
1.0 nm
Wavelength Repeatability 0.02 nm 0.03 nm 0.02 nm
Wavelength Accuracy ± 0.1 nm ± 0.2 nm ± 0.1 nm
Accuracy
Luminous Intensity ± 1% ± 1% ± 1%
Luminous Flux ± 1% ± 1% ± 1%
Chromaticity (CIE 1931 xy)² x,y = ± 0.0015 x,y = ± 0.002 x,y = ± 0.0015
Dominant Wavelength ± 0.5 nm ± 0.5 nm ± 0.5 nm
Sensitivity
Luminous Intensity (10:1 signal-to-noise) 0.002 mcd to 15 kcd 0.002 mcd to 15 kcd 0.002 mcd to 15 kcd
Luminous Flux (12″ sphere; 10:1 signal-to-noise) 0.1 mlm – 250 klm 0.1 mlm – 250 klm 0.1 mlm – 250 klm
Measuring Time (range) 5 msec to 300 sec 5 msec to 300 sec 5 msec to 300 sec
Measuring Time at 1 mcd (10:1 signal-to-noise) 40 msec 40 msec 40 msec
Specifications for All Spectroradiometers
Stray Light Less than 1 x 10-4
Spectral Sensor Temperature-Stabilized Back-Thinned 1024x128 element CCD Array
Electrical Resolution 16 bit
Dynamic Range (single scan) 64,000:1
Computer Interface USB 2.0
Control Software Lightouch LED software for Windows
Dimensions 5.25″ H x 17.25″ W x 16.25″ L
13.34 cm H x 43.8 cm W x 41.28 cm L
Weight 30 lbs (13.6 kg)

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