ASD – Fieldspec – NIR Analyzers

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    Ho Chi Minh Branch: 5th Floor, Viettel Complex Building, 285 Cach Mang Thang Tam, Ward 12, District 10, Ho Chi Minh City.

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ASD pioneered the science of field spectroscopy over 25 years ago and continues to lead the industry with the world’s most trusted field-portable UV/Vis/NIR/SWIR spectroradiometers covering the full solar reflected spectrum.

The ASD FieldSpec 4 line of full-range spectroradiometers delivers the fastest and most accurate spectral field measurements available from any commercial field-portable spectroradiometer. Continued enhancements to core instrument spectrometers and other critical components have dramatically improved overall performance, signal, and integration speeds compared to earlier models.

ASD FieldSpec 4 spectroradiometers are designed specifically around the challenges researchers face when collecting spectral measurements in the field.

Technical Specifications

Model4 Hi-Res NG Spectroradiometer4 Hi-Res: High Resolution Spectroradiometer4 Standard-Res Spectroradiometer
Spectral range350-2500 nm350-2500 nm350-2500 nm
Spectral resolution3 nm @ 700 nm
6 nm @ 1400/2100 nm
3 nm @ 700 nm
8 nm @ 1400/2100 nm
3 nm @ 700 nm
10 nm @ 1400/2100 nm
Spectral sampling (bandwidth)1.4 nm @ 350-1000 nm
1.1 nm @ 1001-2500 nm
1.4 nm @ 350-1000 nm
1.1 nm @ 1001-2500 nm
1.4 nm @ 350-1000 nm
1.1 nm @ 1001-2500 nm
Scanning time100 milliseconds100 milliseconds100 milliseconds
Wavelength reproducibility0.1 nm0.1 nm0.1 nm
Wavelength accuracy0.5 nm0.5 nm0.5 nm
Maximum radianceVNIR 2X Solar, SWIR 10X SolarVNIR 2X Solar, SWIR 10X SolarVNIR 2X Solar, SWIR 10X Solar
Channels215121512151
Weight5.44 kg (12 lbs)5.44 kg (12 lbs)5.44 kg (12 lbs)

Available Models

Enhanced spectral resolution to support accurate analysis of the next generation of hyperspectral sensors.

The enhanced 6 nm SWIR spectral resolution of the FieldSpec 4 Hi-Res NG spectroradiometer provides both the sampling interval (bandwidth) and the spectral resolution to support accurate calibration and image classification analysis with the next generation high spectral resolution hyperspectral sensors.

Higher resolution hyperspectral sensors yield greater precision for remote sensing classification applications, producing more information from every pixel generated in an image than ever before. To help maximize the full potential of these next generation sensors, measurements from ground based instrumentation need to meet or exceed the sensor’s spectral resolution. In the absence of this resolution equality, data is interpolated during post processing and vital spectral information can be smoothed and lost.

The enhanced spectral resolution of the FieldSpec 4 Hi-Res NG spectroradiometer has been designed to meet the rigorous demands of the next generation hyperspectral imaging systems such as AVRIS-NG and HySpex ODIN-1024. In addition to superior spectral resolution the FieldSpec 4 Hi-Res NG, like all ASD spectroradiometers, incorporates graded index InGaAs photodiode SWIR detectors to provide the smallest available spectral sampling interval in a field portable device with 1,875 measured wavelengths over the full 350 to 2,500 nm spectral range, ensuring detection of even the most subtle spectral features.

High resolution spectral data from a ruggedized field-portable spectroradiometer.

With 8 nm SWIR spectral resolution the FieldSpec 4 Hi-Res spectroradiometer is the instrument of choice for geological studies and atmospheric research.

The FieldSpec® 4 Hi-Res is a high resolution spectroradiometer designed for faster, more precise spectral data measurements for a wide array of remote sensing applications.

The 3 nm VNIR, 8 nm SWIR spectral resolution of the FieldSpec 4 Hi-Res spectroradiometer provides superior spectral performance across the full range solar irradiance spectrum (350 – 2500 nm). The enhanced spectral resolution in the SWIR range (1000 – 2500 nm) is particularly useful for detecting and identifying compounds with narrow spectral features in the longer wavelengths such as alteration mineralogy and gases for atmospheric analysis.

Additionally the 8 nm resolution meets or exceeds the spectral resolution of most hyperspectral sensors making the FieldSpec 4 Hi-Res spectroradiometer an excellent choice for sensor validation and calibration, as well as ground truthing and building spectral libraries.

The go-to standard for trusted portable field spectroscopy.

The FieldSpec 4 Standard-Res spectroradiometer, with 10 nm SWIR resolution is perfectly suited for characterizing spectral features with a resolution of 10 nm to 50 nm, which covers the technical requirements of most field researchers. The FieldSpec 4 Standard-Res spectroradiometer has long been the industry’s go-to workhorse instrument for trusted field spectroscopy and the scope of potential applications is broad.

The 3 nm VNIR, 10 nm SWIR spectral resolution of the FieldSpec® 4 Standard-Res portable spectroradiometer is ideal for characterizing spectral features with a resolution down to 10 nm. The FieldSpec 4 Standard-Res is well positioned to meet a majority of the technical needs of field researchers who require dependable and trusted results from a field portable spectroradiometer.

The FieldSpec 4 Standard-Res portable spectroradiometer is the right choice for a wide range of remote sensing applications, including multispectral sensor ground truthing and calibration, agricultural analysis, and snow and ice studies. In addition to being a world class spectroradiometer, the FieldSpec 4 Standard-Res is equally suited to serve as a rugged, portable spectrometer for accurate contact reflectance or non-solar stand-off measurements.

Key Features

Fieldspec – NIR Analyzers

  • Higher resolution hyperspectral sensors
  • Full-range detection capacity (350 nm – 2500 nm) provides uniform Vis/NIR/SWIR
  • Faster integration speed allows more measurements in a limited solar collection time window.
  • Graded index InGaAs photodiode SWIR detectors ensure seamless measurements in the 1001 nm – 2500 nm spectral range
  • Provide the smallest available spectral sampling interval (bandwidth) in a field portable device.
  • Seamless measurements in the 1001 nm – 2500 nm spectral range
  • Superior signal throughput and greatly improved radiometric calibration accuracy over signal-to-noise
  • Long-range wireless increases collection coverage potential from a stationary base of operations.
  • Permanent fiber optic cable design provides superior signal throughput over detachable fiber optic cable systems

FieldSpec – Dual Collection Software

The FieldSpec® Dual collection software system leverages the value and utility of the world’s most trusted line of portable field spectrometers. The software intercalibrates and wirelessly synchronizes two ASD FieldSpec spectroradiometers to collect near simultaneous white reference and sample target radiance spectra. The system virtually eliminates errors associated with time varying atmospheric conditions, one of the biggest challenges to collecting accurate field spectra range.

System Requirements

Compatible instruments include all FieldSpec 4’s and FieldSpec 3’s serial number 16178 and higher. FieldSpec Dual system configuration requires at least one FieldSpec 4. Spectroradiometers must be of the same spectral resolution.

Required Accessories

Dual Reference Mount and a Wave Length Calibration Puck are required for operating the FieldSpec Dual software. To ensure accuracy and a convenient, efficient workflow ASD also recommends factory re-calibration of existing instruments, a heavy duty tripod, and the tripod instrument hook.

Key Industries

  • Agriculture
  • Education & Academics
  • Environmental
  • Food & Beverage
  • Mining & Minerals
  • Oil & Gas
  • Pharmaceutical

Brand

ASD

ASD Inc., a Malvern PANalytical company, is the global leader in high-performance analytical instrumentation solutions, solving some of the most challenging real-world materials measurement problems. ASD spectrometers — unparalleled in providing laboratory-grade results in the field or on-site — are the instruments of choice for remote sensing, environmental sciences, agricultural, mining, pharmaceutical and pulp and paper industry applications, where results drive paradigm-changing insights, efficiency and profit.

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