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Spectroscopy > Portable Handable UV Vis Nir Spectroradiometer

Airbourne and Field Spectroradiometer.


Spectra Vista Corporation is dedicated to the manufacturing, delivery and support of Airborne Imaging Spectrometers & Field Portable Spectroradiometers for the Remote Sensing Community

 

 

 

 

 


 

GER 1500

Field Portable Spectroradiometers

GER 1500 Specifications

Spectral Range

350 nm to 1050 nm

Internal Memory

470 scans

Channels

512

Linear Array

512 Si

Bandwidth Sampling / FWHM & Spectral Region

1.5 nm /3 nm: 350 nm-1050 nm

Scan Time

5 ms and up (selectable)

FOV

4° to 25° options with fiber optic

Head Size

8.3 cm x 15.2 cm x 19.7 cm
3.25" x 6" x 7.75"

Weight

2 kg, 4.5 lbs.

Battery Type

6 Volt NiMH

Battery Life

4 hours

Digitization

16 bit

Wavelength Repeatability

+0.1 nm

Noise Equivalent Radiance

0.5 s integration time
400 nm: 6.0 x 10-10W · cm-2 ·nm-1· sr-1
700 nm: 5.7 x 10-10W · cm-2 ·nm-1· sr-1
900 nm: 1.7 x 10-9 W · cm-2 ·nm-1 · sr-1

Maximum Radiance Levels

12 ms integration time
700 nm: 1.5 x 10-4W · cm-2 ·nm-1· sr-1

Radiometric Calibration
(Traceable to NIST)

400nm : ± 5%
700nm : ± 4%
1000nm : ± 5%

Dark Current Correction

automatic

Spectrum Averaging

selectable

Humidity

to 90% RH (non-condensing)

Temperature

-10° to 50°C

Sighting

Laser

The GER 1500 is supplied in a sturdy, weather-tight field case, with batteries, battery charger and cables. System components can also be easily carried in a lightweight backpack.

The GER 1500 system offers the user the greatest possible ease of operation for hand-held or tripod operation. Simple menu-driven programs control the set-up, acquisition, and data manipulation functions, allowing the user to be effective within one hour of introduction to the instrument. Data is stored in ASCII format for easy transfer to other software programs.

 

HR786

Specifications

Spectral Range

350 nm- 2500 nm

Internal Memory

500 scans

Channels

768

Linear Array

(1) 512 Si array 350 - 1000 nm
(1) 128 InGaAs array 1000 - 1890 nm
(1) 128 Ext InGaAs array 1890 - 2500 nm

Spectral Resolution (FWHM)

≤ 3.5 nm,  700 nm
≤ 16 nm,  1500 nm
≤ 14 nm,  2100 nm

Bandwidth (nominal)

≤ 1.5 nm, 350 - 1000 nm
≤ 7.5 nm, 1000 - 1890 nm
≤ 5 nm, 1890 - 2500 nm

Minimum Integration

1 millisecond

FOV - Standard

4º standard

FOV - Optional

8° or 14º optional  foreoptic
25º optional armored fiber optic
Irrandiance Sphere
Reflectance Probe

Noise Equivalent Radiance
(1.0 sec. scan)

≤ 1.2 x 10 -9 W/cm2/nm/sr @ 400 nm
≤ 2.2 x 10 -9 W/cm2/nm/sr @ 1500 nm
≤ 2.2 x 10 -9 W/cm2/nm/sr @ 2100 nm

Maximum Radiance

  

1.3 x 10 -4 W/cm2/nm/sr@ 700 nm

Calibration Accuracy (NIST Traceable)

± 5 % @ 400 nm
± 4 % @ 700 nm
± 7 % @ 2200 nm

Wavelength Repeatability

0.1 nm

Dark Current Correction

automatic/selectable

Spectrum Averaging

selectable

Physical Specifications

Head Size

8.5" x 11.5" x 3.25 "
22 cm x 29cm x 8 cm

Weight

7.3 lbs, 3.3 kg

Battery

7.4 V Lithium Ion

Battery life

3+ hours

Operating Environment

Humidity

to 90% RH, non-condensing

Temperature

-10° to +40° C

Sighting

diode laser

Features

  • Precise spectral measurements across the 350nm to 2500nm spectral range are acquired in seconds.
  • Small, lightweight & easily operated by one person.
  • Incorporates 100% linear array technology and cooled InGaAs detectors, providing superior wavelength and radiometric stability.
  • Leading edge detector arrays provide superior NER and low noise data.
  • Fixed foreoptics ensure a rugged and reliable optical path.
  • Critical optical components are hard mounted to the spectrometer platform.
  • Fast, full spectral measurements made with no moving gratings.
  • Designed for minimal set-up & warm-up time.
  • Internal CPU allows for measurements without a computer.
  • Supplied with rugged PDA with Bluetooth wireless & GPS.
  • Internal memory stores a full day's data.
  • Wireless communication facilitates canopy measurements.
  • Field changeable fiber optic light guide options available.
  • Integral, removable Lithium Ion battery reduces weight & enhances mobility.
  • Reflectance Probes and Cosine Receptors available.
  • Data is provided by channel in a columnar format.
  • Software tools for resampling are provided.

Applications:

  • Vegetative Stress Analysis
  • Forestry Analysis
  • Land and Crop Management
  • Marine and Wetland Studies
  • Environmental Monitoring
  • Geological Studies
  • Mineral Identification
  • Drilling Core Analysis
  • Ground Truthing
  • Industrial QC and Process Control
  • Surface Color Measurements

SVC HR-1024

Rugged PDA
The HR-1024 is furnished with two versions of SVC's proprietary software. One operates of SVC's proprietary software. One operates computers using Windows XP.

The second supports PDAs running the industry-standard Windows Mobile 2003 software for Pocket PC.

The DAP Technologies Microflex 2240 PDA provided with the HR-1024 is an extremely rugged, reliable, and lightweight unit. It is waterproof and drop resistant to IP67 and MIL-STD-810F ratings. 10+ hour battery life, light weight, easy to use keypad and compact size all contribute to ease of operation. Spectral data may be viewed in real time on the sunlight readable color display.

Non-volatile Flash memory guards against the loss of valuable field data. RS-232 and USB ports provide optimum connectivity in the field or in the lab.

Bluetooth wireless communication and embedded GPS card streamline and enhance your SVC HR-1024 data collections.

SVC can also supply optional, ruggedized laptop computers upon request.

Building on more than 20 years of experience in the remote sensing field, Spectra Vista Corporation has once again advanced the state of the art in full range field-portable spectroradiometers.

The new SVC HR-1024 achieves the highest level of spectral resolution in the full VIS-NIR-SWIR region.

The use of 100% linear array detectors ensures excellent wavelength stability, while the thermoelectrically cooled InGaAs and Extended InGaAs detectors provide superior radiometric stability.

Every design element of the SVC HR-1024 reflects an understanding of the demands of field data collection.

Fixed foreoptics and hard-mounted internal spectrometer elements provide a robust optical path. This ensures the SVC HR-1024 will deliver reliable data under the most demanding field campaigns for years to come.

An internal CPU enables a full day's data to be taken without an external computer, allowing the operator to concentrate on the subject and produce full spectral acquisitions in less than 5 seconds.

The rugged, lightweight PDA (provided) enables users to view data in real time via the wireless Bluetooth technology.

The SVC HR-1024 software automatically records the longitude, latitude and time of day, from the PDA's GPS receiver, for each spectral measurement. This greatly eases record keeping in the field while providing positive, coded identification during data analysis.

The SVC HR-1024, weighing less than 8 pounds, is the lightest and the most portable field spectroradiometer in its class.

The system is available with many optional optics and fiber optic bundles that are easily changed in the field. All system components are furnished in a rugged, waterproof field case.

SVC HR-1024i


Features

  • One half the size and weight of other field spectroradiometers
  • Internal digital camera captures scene of target area
  • Internal GPS provides time and location coordinates for each data file
  • The internal memory stores up to a full day’s data
  • Instrument  touch screen provides data display
  • QVGA sunlight readable touch screen provides graphic data display
  • Dedicated Bluetooth receives data from 8 channel optional sensor suite
  • Provides exceptionally high spectral resolution operating across the full spectral region
  • Integral, removable  battery enhances mobility
  • Incorporates 100% linear array technology and cooled InGaAs detectors thus providing superior wavelength and radiometric stability
  • State of the art linear arrays provide low noise (improved data) across the 350 nm to 2500 nm range
  • Fixed foreoptics ensure a reliable optical path
  • Critical optical components are hard mounted to the spectrometer platform
  • Provides fast, full spectral measurements with no moving gratings
  • Internal 32- bit CPU allows measurements to be made without an external computer
  • Full spectral measurements can be acquired in 1 second
  • Designed for minimal set-up & warm-up time
  • Internal memory stores a full day's data
  • Supplied with rugged PDA/ Bluetooth for wireless operation
  • Field-changeable fiber optic light guide options available
  • Integral, removable Lithium Ion battery enhances mobility (no power cord)
  • Optional Reflectance Probe, Cosine Receptors, Back Packs, Reflectance Panels, Stands, etc. Are
    available

Applications

  • Forestry Analysis
  • Land and Crop Management Marine and Wetland Studies
  • Environmental Monitoring
  • Geological Studies
  • Mineral Identification
  • Drilling Core Analysis
  • Ground Truthing
  • Industrial QC and Process Control Surface Color Measurements

    SVC HR 1024i Specification

Spectral Range

350 – 2500nm

Internal Memory

1000 scans

Channels

1024

Spectral Resolution (RWHM)                         

3.5 nm @700 nm
9.5 nm @1500 nm
6.5 nm @2100 nm

Bandwidth (nominal)

1.5 nm 350 – 1000nm
3.8 nm 1000 – 1885nm
2.5 nm 1885 – 2500nm

Minimum Integration

1 millisecond

FOV

4º standard, 8º or 14ºoptional
25º  optional armored fiber optic

Head Size

8.5” x 11.5” x 3.0”
22cm x 29cm x 8cm

Weight

8.0lbs., 3.6 kg

Battery Type

7.4 V lithium ion

Battery Life

3hours

Digitization

16bit

Wavelength Reproducibility

0.1 nm

Noise Equivalent Radiance (1.0 sec scan)

<0. 8 x 10 -9 W/cm2/nm/sr @ 700nm
< 1.5 x 10 -9 W/cm2/nm/sr @ 1500nm
< 3.0 x 10 -9 W/cm2/nm/sr @ 2100nm

Radiometric Calibration Accuracy (NIST Traceable)

+/- 5 % @ 400 nm
+/- 4 % @ 700 nm
+/- 7 % @ 2200 nm

Dark Current Correction

automatic /selectable

Spectrum Averaging

selectable

Operating Environment Humidity

To 90% RH, non-condensing

Temperature

-10º C to + 40º C

Sighting

Diode laser

 

EPS Series

Airborne Systems

Spectra Vista Corporation manufactures a full range of new generation Airborne Hyperspectral and Multispectral Imaging Systems. There are three basic EPS Series scanners, with different aperture sizes. The baseline band configuration for each series is described in the table below. Systems can also be tailored to specific customer requirements.

 

 

Imaging System

EPS-M Series

EPS-A Series

EPS-H Series

Collection aperture (cm²)

28

115

460

Baseline number of bands in each region of the spectrum*

0.3 - 1.0µm (VIS/NIR)

2

28

76

1.0 - 2.0µm (SWIR)

-

1

32

2.0 - 2.5µm (SWIR)

-

1

28

8.0 - 12.0µm (TIR)

1

1

12

Configuration options and band substitutions are available for all regions.

Some of the unique and innovative features distinguishing our Imaging Systems are:

  • Kennedy Scanner design for high SNR and 90° field of regard
  • Coverage of the electromagnetic spectrum from the ultraviolet to the thermal infrared
  • Bandwidths as small as 5nm for excellent spectral discrimination
  • Scan speeds greater than 100 Hz for spatial resolution smaller than 0.5 meters
  • Precision control of continuously adjustable scan speeds for flight at any altitude
  • Accurate mirror calibration for excellent image quality and fidelity
  • VME bus architecture for high reliability and system flexibilty
  • Electronics immune from EMI, power fluctuations, and aircraft vibration
  • Modular processor UltraSPARC workstation for maximum performance
  • GUI software for real time image display and system control
  • Integrated GPS and 3-axis gyroscope data for image geometry and rectification
  • Full spectral, radiometric, thermometric, and spatial calibration for quantitative data analysis

 

 

Clients

http://fsf.nerc.ac.uk/instruments/svc_hr-1024i.shtml

 

 

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