HandHeld 2: Hand-held VNIR Spectroradiometer

A versatile and durable hand-held spectroradiometer  for accurate analysis in the 325 nm – 1075 nm spectral range.

Product description

It  is a versatile and durable hand-held spectroradiometer that utilizes the FieldSpec 4 VNIR spectrometer for accurate analysis in the 325 nm – 1075 nm spectral range.

The HandHeld 2 provides the ideal combination of performance, portability, and durability. It employs a high-sensitivity detector array, a low stray light grating, a built-in shutter, DriftLock dark current compensation, and second-order filtering to produce a high signal-to-noise spectrum in under a second.

Field data acquisition is streamlined with embedded remote sensing software. The results are shown on an integrated, high-visibility color display making sample collection simple, in challenging areas without the worry of carrying a computer.

The optional GPS accessory accelerates data collection, simplifies location/spectrum correlation and eliminates the need for external location record keeping. In addition, it can serve as a VNIR-only hand-held spectrometer when used with a fiber optic cable and contact probe accessories.

Technical Specifications

Wavelength Range325-1075 nm
Wavelength Accuracy±1 nm
Spectral Resolution <3.0 nm @ 700 nm
Noise Equivalence Radiance (NEdL) Standard: 5x10-9W/cm2/nm/sr @ 700 nm,
Pro: 5x10-10W/cm2/nm/sr @ 700 nm
Integration Time8.5 ms minimum (selectable)
Field of View25° (optional fore optics available)
Memory Storage Up to 2,000 spectrum files
PowerFour AA batteries (standard or rechargeable) or 5 V 1.5A AC/DC
Battery LifeFactory supplied rechargeable: up to 2.5 hrs,
Lithium: up to 5 hrs (manufacturer dependent),
Alkaline: approximately 1.5 hrs
Display6.8 cm (2.7 in) diagonal, tilting color LCD
InterfacesOne Mini B USB (PC communications), One Mini TRS jack (Remote
trigger), Two Type A USB (Future use)
ComputerSoftware RS3 controlling software ViewSpecPro post processing
software HH2 Sync interface software
TargetingIntegral red laser (available with optional sighting scope)
Weight1.2 kg (2.6 lbs) (w/batteries)
Dimensions (H x W x D)90 x 140 x 215 mm (3.5 x 5.5 x 8.5 in)
Temperature Range 0° to 40° C
Tripod Mount¼”-20 Mounting hole
Standard AccessoriesPelican™ travel case (meets FAA carry-on requirements), Spectralon® white panel, 4 rechargeable batteries, battery charger, AC/DC power supply, USB cable, USB memory stick and D-handle


Hi-Brite Contact Probe:

For non-destructive contact measurements and characterization of mineral and ore samples.

Fore Optics:

Foreoptics control the field-of-view and maximize data collection to better meet specific application requirements. A wide selection of foreoptics lenses are available for use with the FieldSpec® 3 and FieldSpec® HandHeld 2 spectroradiometer systems.Ideal for analysis of grain, food, and other irregularly or non-homogeneous material samples.

Leaf Clip:

Use with ASD’s family of Contact Probes for non-destructive, one-handed functionality, and improved analysis of live vegetation and other thin heat sensitive targets

Reference Panel:

Reference panels are available in calibrated and non-calibrated diffuse white and gray, in varying sizes and reflectance levels, including encapsulated gray scale (NIST/NRC traceable) wavelength and USP standards for USP 1119.


  • Airborne Remote Sensing Measurements
  • Atmospheric Remote Sensing Research and Spectral Irradiance Studies
  • Climate Effects
  • Landscape Ecology and Ecology Research
  • Field Spectroscopy and Field Spectroradiometry Research
  • Remote Sensing and Geology
  • Ground Truthing
  • Spectral Remote Sensing for Hyperspectral and Multispectral Imagery Analysis
  • Remote Sensing of Water – Oceans, Coastal and Inland Water Bodies
  • Ice Characteristics Research and Snow Research
  • Spectroradiometry and Radiometric Calibration
  • Agriculture and Soil Analysis
  • Optics and Photonics Applications Using Vis/NIR Spectroradiometers
  • Commercial Agricultural and Vegetation Analysis
  • Crops and Soils Research for Soil Nutrients Analysis
  • Light Energy Measurement and Satellite Sensor and In-flight Calibration
  • Optical Radiation Measurement in Optics and Photonics

Technical Resources

Information Request

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