RadOMA GS-1220 spectroradiometers are optimized for quality control and high speed LED testing applications, with up to 100 ms optical integration time.
The GS-1220 spectroradiometer features a proprietary optical design and back illuminated CCD technology that provides exceptional low-light measurements, superior blue light sensitivity and highly accurate measurements of wavelength, color and power.
The 2048 pixel back illuminated CCD is temperature cooled for superior instrument repeatability.
Original system calibration is performed in Gamma Scientific’s NVLAP accredited laboratory (NVLAP Lab Code 200823-0) using NIST-traceable standards.
Multiple models covering UV, visible and near-IR wavelength ranges
Superior wavelength and color accuracy
Large dynamic range and low stray light
High sensitivity and spectral resolution
Exceptional accuracy via high-resolution bandwidth coverage
Near real time measurement speed(millisecond)
High resolution,temperature cooled-back illuminated 2048 pixel CCD Sensor
Production-line and R&D software solutions
NIST-traceable fieldcalibration
Windows based control/analysis software with Excel integration
Integrated neutral density filter wheel
Hardware input/output trigger
Wide variety of test sockets available for many LED types
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Model Number | GS-1220-0 | GS-1220-1 | GS-1220-2 | GS-1220-3 |
Spectral Range (nominal) | 250-900nm UV-VIS | 360-900nm VIS | 360-1100nm VIS-NIR | 200-1100nm UV-VIS-NIR |
Datapoint Interval | 0.32nm | 0.32nm | 0.35nm | 0.52nm |
Spectral Bandwidth | Built-In User Selectable Half-Power Bandwidth (HPBW) Bold is factory setting | |||
10 nm | 10 nm | 10 nm | 20 nm | |
5.0 nm | 5.0 nm | 5.0 nm | 10 nm | |
2.5 nm | 2.5 nm | 2.5 nm | 5.0 nm | |
1.4 nm | 1.4 nm | 1.4 nm | 2.7 nm | |
1.0 nm | 1.0 nm | 1.0 nm | 1.8 nm | |
Wavelength Repeatability | 0.02 nm | 0.02 nm | 0.02 nm | 0.03 nm |
Wavelength Accuracy | +/-0.1 nm | +/-0.1 nm | +/-0.1 nm | +/-0.1 nm |
Accuracy | ||||
Luminous Intensity | ±1% | ±1% | ±1% | ±1% |
Luminous Flux | ±1% | ±1% | ±1% | ±1% |
Chromaticity (CIE1931 xy)² | x,y=±0.0015 | x,y=±0.0015 | x,y=±0.0015 | x,y=±0.002 |
Dominant Wavelength² | ±0.5 nm | ±0.5 nm | ±0.5 nm | ±0.5 nm |
Sensitivity | ||||
Luminous Intensity (10:1 signal-to-noise) | 0.02 mcd-15 kcd | 0.02 mcd-15 kcd | 0.02 mcd-15 kcd | 0.02 mcd-15 kcd |
Luminous Flux⁴ (12" sphere ; 10:1 signal-to-noise) | 1 mlm - 240 klm | 1 mlm - 240 klm | 1 mlm - 240 klm | 1 mlm - 240 klm |
Illuminance Sensitivity (10:1 signal-to-noise) | 0.02 mlux - 15,000 lux | 0.02 mlux - 15,000 lux | 0.02 mlux - 15,000 lux | 0.02 mlux - 1,5000 lux |
Measuring time (range) | 3µsec-2.67s | 3µs-2.67s | 3µs-2.67s | 3µs-2.67s |
Measuring Time at 1 mcd (10:1 signal-to-noise) | 40ms | 40ms | 40ms | 40ms |