High-Resolution Field Portable UV-Vis-NIR Spectroradiometers
for Remote Sensing

Spectral Evolution is a leading manufacturer of field-portable and laboratory UV-Vis-NIR spectroradiometers and spectrometers for remote sensing applications including geological remote sensing, ground-truthing, spectral remote sensing, environmental and climate research, crop and soil research, vegetative studies, forestry and canopy studies, radiometric calibration transfer, upwelling and downwelling measurement and more. Our UV-Vis-NIR spectrometers and spectroradiometers provide the best combination of high resolution and high sensitivity resulting in the most precise field portable instruments available on the market.

Spectral Evolution UV-Vis-NIR spectroradiometers provide:

  • Fast, full-spectrum UV-Vis-NIR measurements – 350-2500 nm with just one scan
  • Superior reliability in the field with 100% diode array optics with no moving parts
  • Bluetooth interface
  • Lithium-ion rechargeable batteries for field use
  • Lightweight and rugged
  • Standalone operation – internal memory holds 1000 scans (PSR+)
  • Rugged handheld tablet for field use running DARWin™ LT on Windows 10 with digital camera, and GPS
  • Field switchable optics for varying target sizes and measurement modes

All Spectral Evolution UV-Vis-NIR spectroradiometers include our exclusive DARWin™ SP Data Acquisition and Analysis software for one-touch, full range spectroscopic analysis of samples. DARWin™ SP automatically saves data as ASCII files for use with 3rd party software without post-processing.

High-Resolution Field Portable UV-Vis-NIR Spectroradiometers
for Remote Sensing

Spectral Evolution is a leading manufacturer of field-portable and laboratory UV-Vis-NIR spectroradiometers and spectrometers for remote sensing applications including geological remote sensing, ground-truthing, spectral remote sensing, environmental and climate research, crop and soil research, vegetative studies, forestry and canopy studies, radiometric calibration transfer, upwelling and downwelling measurement and more. Our UV-Vis-NIR spectrometers and spectroradiometers provide the best combination of high resolution and high sensitivity resulting in the most precise field portable instruments available on the market.

Spectral Evolution UV-Vis-NIR spectroradiometers provide:

  • Fast, full-spectrum UV-Vis-NIR measurements – 350-2500 nm with just one scan
  • Superior reliability in the field with 100% diode array optics with no moving parts
  • Bluetooth interface
  • Lithium-ion rechargeable batteries for field use
  • Lightweight and rugged
  • Standalone operation – internal memory holds 1000 scans (PSR+)
  • Rugged handheld tablet for field use running DARWin™ LT on Windows 10 with digital camera, and GPS
  • Field switchable optics for varying target sizes and measurement modes

All Spectral Evolution UV-Vis-NIR spectroradiometers include our exclusive DARWin™ SP Data Acquisition and Analysis software for one-touch, full range spectroscopic analysis of samples. DARWin™ SP automatically saves data as ASCII files for use with 3rd party software without post-processing.

Common Remote Sensing Applications:

  • Ground truthing – validating hyperspectral data
  • Environmental research
  • Precision agriculture
  • Ecosystem change
  • Forestry research & canopy studies
  • Glacial change & climate studies
  • Atmospheric research
  • Calibration transfer & satellite sensor validation
  • Water body studies
  • Plant species identification
  • Urban development
  • Crop health
  • Irrigation assessment
  • Soil analysis
  • Soil degradation, mapping, & monitoring
  • Geological remote sensing
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Model

  • Smallest and lightest portable instrument

  • Spectral range is ideal for vegetation and water analysis

  • Internal memory – no need for external PC to operate

  • Tripod mountable

  • Compatible with all fore optics and accessories

  • Tried and true full-range model

  • Standard spectral resolution

  • Lightweight and portable for field research

  • Compatible with all fore optics and accessories

  • Lightest, most portable full-range instrument

  • Internal memory & onboard controls - no need for external PC to operate

  • Option for direct attach lens or fiber optic

  • Tripod mountable

  • Compatible with all fore optics and accessories

  • Built-in computer with IoT operating system to control instrument with smartphone

  • See field of view in real-time & record GPS, distance to
    target, solar elevation angle, and capture picture of fov
    with exclusive accessory Sensaprobe™

  • Compatible with all fore optics and accessories

  • Best signal to noise compromise in a field instrument

  • High resolution & sensitivity

  • Better data quality of any field spectrometer

  • The new standard for remote sensing

  • The highest spectral resolution of any field
    spectroradiometer

  • Enables field validation and calibration of even the
    highest resolution hyperspectral cameras and satellites by
    bringing lab quality hyperspectral data into the field.

  • The optimum instrument to build high-resolution libraries
    and to push the limits of spectral analysis

Spectral Range

320-1100nm

350-2500nm

350-2500nm

350-2500nm

350-2500nm

350-2500nm

Spectral Resolution

3.0nm@600nm

2.8nm@700nm

8nm@1500nm

6nm@2100nm

2.8nm@700nm

8nm@1500nm

6nm@2100nm

3nm@700nm

8nm@1500nm

6nm@2100nm

2.7nm@700nm

5.5nm@1500nm

5.8nm@2100nm

1.5nm@700nm

3nm@1500nm

3.8nm@2100nm

Spectral Sampling Bandwidth (nm)

Data output in 1nm increments;
781 channels reported

Data output in 1nm increments;
2151 channels reported

Data output in 1nm increments;
2151 channels reported

Data output in 1nm increments;
2151 channels reported

Data output in 1nm increments;
2151 channels reported

Data output in 1nm increments;
2151 channels reported

Detector(s)

512-element Si Array

512-element Si Array

Two 256-element TE-cooled InGaAs Arrays

512-element Si Array

Two 256-element TE-cooled InGaAs Arrays

512-element Si Array

Two 256-element TE-cooled InGaAs Arrays

1024-element UV-enhanced Si Array

512-element TE-cooled InGaAs Array

512-element extended TE-cooled InGaAs Arrays

1024-element UV-enhanced Si Array

512-element TE-cooled InGaAs Array

512-element extended TE-cooled InGaAs Arrays

Calibration

Spectral and radiometric calibration for radiance/irradiance measurements using NIST traceable sources.

Spectral and radiometric calibration for radiance/irradiance measurements using NIST traceable sources.

Spectral and radiometric calibration for radiance/irradiance measurements using NIST traceable sources.

Spectral and radiometric calibration for radiance/irradiance measurements using NIST traceable sources.

Spectral and radiometric calibration for radiance/irradiance measurements using NIST traceable sources.

Spectral and radiometric calibration for radiance/irradiance measurements using NIST traceable sources.

Noise Equivalence Radiance

W/cm2/nm/sr

(1.2m fiber optic)

0.8x10-9 @ 700nm

0.8x10-9 @ 400nm

1.2x10-9 @ 1500nm

1.8x10-9 @ 2100nm

0.5x10-9 @ 400nm

0.8x10-9 @ 1500nm

1.0x10-9 @ 2100nm

0.8x10-9 @ 400nm

1.2x10-9 @ 1500nm

1.8x10-9 @ 2100nm

0.3x10-9 @ 400nm

0.1x10-9 @ 1500nm

2.5x10-9 @ 2100nm

0.4x10-10 @ 400nm

0.2x10-10 @ 1500nm

4.0x10-9 @ 2100nm

Software Included

DARWin™ SP Data Acquisition

DARWin™ SP Data Acquisition

DARWin™ SP Data Acquisition

DARWin™ SP Data Acquisition

DARWin™ SP Data Acquisition

DARWin™ SP Data Acquisition

Power (volts/watts)

7.5v, 2.5w

7.5v, 22.5w

7.5v, 22.5w

7.5v, 22.5w

7.4v, 28w

7.4v, 28w

Dimensions (in/mm)

7 x 3.3 x 5.8 (in)

177.8 x 82.5 x 147.3 (mm)

8.5 x 12 x 3.5 (in)

215.9 x 304.8 x 88.9 (mm)

8.5 x 11.5 x 3.5 (in)

215.9 x 292.10 x 82.5 (mm)

12.4 x 9 x 15 (in)

314.9 x 228.6 x 381 (mm)

12.4 x 8.7 x 4.4 (in)

314.9 x 220.9 x 111.7 (mm)

12.4 x 8.7 x 4.4 (in)

314.9 x 220.9 x 111.7 (mm)

Weight (lbs/kg)

4 lbs | 1.8 kg

7.3 lbs | 3.3 kg

7.6 lbs | 3.5 kg

9.4 lbs | 4.2 kg

12 lbs | 5.5 kg

12 lbs | 5.5 kg

Interface

USB, Wireless Connection

USB, Wireless Connection

USB, Wireless Connection

USB, Wireless Connection

USB, Wireless Connection

USB, Wireless Connection

Minimum Scan Speed

100ms

100ms

100ms

100ms

100ms

100ms

Wavelength Reproducibility (nm)

0.1nm

0.1nm

0.1nm

0.1nm

0.1nm

0.1nm

Wavelength Accuracy (nm)

±0.5nm bandwidth

±0.5nm bandwidth

±0.5nm bandwidth

±0.5nm bandwidth

±0.5nm bandwidth

±0.5nm bandwidth

Automatic Data

Data Optimization | One Touch Operation | Automatic Exposure | Detector Integration | Dark Current Correction

Data Optimization | One Touch Operation | Automatic Exposure | Detector Integration | Dark Current Correction

Data Optimization | One Touch Operation | Automatic Exposure | Detector Integration | Dark Current Correction

Data Optimization | One Touch Operation | Automatic Exposure | Detector Integration | Dark Current Correction

Data Optimization | One Touch Operation | Automatic Exposure | Detector Integration | Dark Current Correction

Data Optimization | One Touch Operation | Automatic Exposure | Detector Integration | Dark Current Correction

Input

1m fiber optic (25° field of view); optional fore optics
and optional longer fiber optic cables available

1.5m fiber optic (25° field of view); optional fore optics
and optional longer fiber optic cables available

4° lens as standard optic; optional fore optics and fiber
optic cables available

1.5m fiber optic (25° field of view); optional fore optics
and optional longer fiber optic cables available

1.5m fiber optic (25° field of view); optional fore optics
and optional longer fiber optic cables available

1.5m fiber optic (25° field of view); optional fore optics
and optional longer fiber optic cables available

Operational temperature range (°C)

0 to 40 degrees

0 to 40 degrees

0 to 40 degrees

0 to 40 degrees

0 to 40 degrees

0 to 40 degrees

Maximum Radiance

VNIR 2x Solar | SWIR 10x Solar

VNIR 2x Solar | SWIR 10x Solar

VNIR 2x Solar | SWIR 10x Solar

VNIR 2x Solar | SWIR 10x Solar

VNIR 2x Solar | SWIR 10x Solar

VNIR 2x Solar | SWIR 10x Solar

All instruments in the Spectral Evolution Remote Sensing Series feature:

  • Fast, full-spectrum UV-VIS-NIR measurements – 350-2500 nm with just one scan

  • Superior reliability in the field – 100% diode array optics with no moving parts

  • Freedom of movement with no cumbersome cables – Bluetooth connectivity

  • Lithium-ion rechargeable batteries for field use

  • Lightweight and rugged

  • Field switchable optics for varying target sizes and measurement modes

  • Automatic exposure control and auto-shutter for error-free operation

  • NIST- traceable calibration for spectral radiance & irradiance measurements

  • Exclusive DARWin™ SP Data Acquisition and Analysis software for one-touch, full range spectroscopic analysis of samples