Spectral Evolution PSR+ 3500 Portable Spectroradiometer

The Ultimate in the Field Portability

The PSR+ spectroradiometer sets a new standard in portability. The sleek, compact design results in a full range NIR spectroradiometer that’s simple and easy to use. The PSR+ is ideal for applications in ground truthing satellite or flyover hyperspectral data, engaging in vegetation studies, performing canopy research, studying crop health and climate change, doing soil analysis – potential applications are virtually endless.

KEY FEATURES
SPECIFICATIONS
ACCESSORIES
APPLICATIONS
RESOURCES

Key Advantages of Spectral Evolution PSR+ 3500

Fast, full-spectrum UV/VIS/NIR measurements (350-2500nm) with just one scan
Highest (FWHM) resolution in a field portable:
≤2.8nm @ 700nm
≤8.0nm @ 1500nm
≤6.0nm @ 2100nm
Proprietary Sotex™ filter technology for improved sorting and smoother transitions
Improved NER for the best available signal-to-noise ratio at the best available resolution
Improved cooling and performance with combined integral heat sinks and optimized cooling pipes
One touch operation with auto-shutter, autoexposure, and auto-dark correction before each new scan—no manual optimization needed
No moving optical parts and improved optical path for reliable, superior operation
Lightweight—7 lbs. (3.17 kg) for field use
Compact— 8.5” x 11.5” x 3.25”
Lightweight (4oo grams), rechargeable Li-ion batteries for up to 4 hours of field operation per battery
Removable fiber optic cable—field swappable
Switchable direct mount lens for maximum signal throughput—available in a wide range of FOV options for varying target sizes
Built-in laser targeting
Standalone operation—internal memory/1,000 scans
Rugged optional handheld tablet provides sunlight readable screen and stores spectra, digital photos, and GPS data for each scan
Operates with mobile devices via Bluetooth (Class 1)
Instrument control software includes multiple vegetative indices, USGS geological library, solar simulation software, CIE 1931 colorimeter, and energy measurement module
Optional EZ-ID sample identification software with Custom Library Builder module
Wide operating temperature range: -10 to 40° C

Specifications of PSR+ 3500 Spectroradiometer

Spectral Range	350–2500nm
Spectral Resolution—FWHM	2.8nm @ 700nm 8nm @ 1500nm 6nm @ 2100nm
Si Detector	512 element Si photodiode array (350–1000nm)
InGaAs Detectors (cooled)	256 element extended wavelength photodiode array (970–1910nm) 256 element extended wavelength photodiode array 1900-2500nm)
FOV Options (direct mount)	4°, 8°, or 14° lens, 25° fiber optic, diffuser, integrating sphere
Fiber Mount Options (4° lens)	0.5×10-9 W/cm2/nm/sr @400nm 0.8×10-9 W/cm2/nm/sr @1500nm 1.0×10-9 W/cm2/nm/sr @2100nm
Max Radiance @ 700nm (4° lens)	1.5×10-4 W/cm2/nm/sr
Minimum Scan Speed	100 milliseconds
Wavelength Reproducibility	0.1nm
Wavelength Accuracy	±0.5 bandwidth
Communications Interface	USB or Class I Bluetooth– laptop or PDA compatible
Size	8.5” x 11.5” x 3.25” 21.6cm x 21.29cm x 8.26cm
Tripod Mounting	2 each ¼-20 mounting holes provided
Weight	7.6 lbs (3.5 kg)
Batteries	Lithium ion; 7.4V; 7200mAh; 400g/battery
Battery Operation	Removable battery; typically up to 4 hour operation/battery (2 provided)
On Board Memory	Storage of 1000 spectra