Spectral Evolution SR-3501 Spectroradiometer

SR-3501 Portable Spectroradiometer with Expanded Spectral Range

The SR-3501 Spectroradiometer by Spectral Evolution is a portable and versatile instrument designed for radiance and irradiance measurements, as well as testing and measuring solar simulators. It boasts an expanded spectral range from 280-2500nm, providing high sensitivity and a wide dynamic range. The SR-3501 features autoexposure, autoscaling, and auto dark shutter for fast and accurate scans. Its compact and lightweight design makes it easy to integrate into various laboratory settings. Additionally, the spectroradiometer is factory calibrated to NIST traceable irradiance sources, ensuring reliable and precise measurements

It is well-suited for radiance/irradiance measurements as well as test and measurement of solar simulators.

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Key Features of Spectral Evolution SR-3501

The SR-3501 Spectroradiometer by Spectral Evolution is ideal for a variety of applications, including radiance and irradiance measurements, as well as testing and measuring solar simulators. Its expanded spectral range from 280-2500nm makes it highly sensitive and versatile for different light measurement tasks. The spectroradiometer’s autoexposure, autoscaling, and auto dark shutter features ensure fast and accurate scans, making it suitable for both laboratory and field use. Additionally, its factory calibration to NIST traceable irradiance sources guarantees reliable and precise measurements, essential for scientific research and industrial applications.

The SR-3501 provides the following benefits:

Expanded spectral range from 280-2500nm.
High sensitivity with a high signal-to-noise ratio and an unmatched wide dynamic range
Fast and easy operation
Autoexposure, autoscaling, and auto dark shutter for fast, accurate, one-touch scans
Compact, lightweight design – easy to fit into your lab
NIST traceable calibration for irradiance or spectral radiance measurements and calibration transfer
No internal fiber optics or movable gratings that can break, drift, or fail during mission critical experiments
Fiber optic or optional integrating sphere input

Specifications of SR-3501 Spectroradiometer

Model	SR-3501
Spectral Range	280–2500nm
Spectral Resolution	4nm @ 280-1000nm 9.5nm @ 1500nm 7nm @ 2100nm
Sampling Interval	Data output in 1nm increments; 2221 channels reported
Si Photodiode Detector	512 element Si array (280–1000nm)
InGaAs Photodiode Detectors (TE-cooled)	256 element extended wavelength array (970–1900nm) 256 element extended wavelength array (1900-2500nm)
Suggested FOV Options	Right angle diffuser with fiberoptic, integrating sphere
Calibration	Factory calibrated to NIST traceable irradiance source
Integration Time	1 -1000 ms
Wavelength Reproducibility	0.1nm
Wavelength Accuracy	±0.5 bandwidth
Communications interface	USB or Class I Bluetooth– laptop or PDA compatible
Size	8.5” x 11” x 3.5” 22x28x9 cm
A/D Converter	16 bit
Weight	7.5 lbs (3.4kg)
Power	7.5V, 23W
Spectral Match	AM0, AM1.5, AM 1.5 global tilt
TTL	Yes
Phototriggering	No