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     EPP2000-NIR InGaAs Portable NIR Spectrometers 

 

EPP2000-NIR InGaAs Models
Range 900-1700nm
StellarNets’ high performance InGaAs spectrometers cover the NIR wavelength range from 0.9-2.3 μm.  The units are exceptionally robust with no moving parts and are packaged in small rugged metal enclosures (2.75” x 4” x 6”) for portable, process, and lab applications.  The InGaAs detector is a Sensors Unlimited linear photo diode array with 512 pixels (1024 optional) 25μm by 500μm tall to provide maximum sensitivity. The detector has an integrated thermo electric cooler (TEC) maintained at –10 °C, stabilized within +/-0.1 °C.  The EPP2000-NIR-InGaAs spectrometers use single strand SMA 905 fiber optic input.  Several models provide a variety of operational ranges and resolutions suitable for both spectroscopy and optical spectrum analysis.



EPP2000-NIR InGaAs-
SpectraWiz Software displaying a time series increase of  NIR water absoprtion bands.


Extended Range
Extended range systems for 1.5-2.2μm are available in 512 or 1024 element InGaAs PDA’s with 25 x 250um tall pixels. Because of reduced sensitivity and higher dark noise, the extended range InGaAs spectrometers are primarily used for measuring tunable lasers, characterizing optics, or chemical absorption & transmission thru cuvettes, flow cells, and dip probes.

 

         EPP2000-NIR InGaAs Price List
     EPP2000-NIR InGaAs PDF Download


NIR applications include chemical ID and moisture analysis, SpectroRadiometry and optical power measurements, laser characterization, microsensor applications, and thicker thin-film measurements

Optional Configurations
Several units may be daisy chained via a parallel cable or USB-2 hub allowing simple configurations for dual and multi-beam process applications.  


Free SpectraWiz Software
The powerful SpectraWiz® 32 bit spectrometer software is provided free of charge with every spectrometer instrument.  This includes drivers and customizable software for operation on Win95 / Win98 / WinNT / WinME / Win2000 /WinXP.    The SpectraWiz software is considered the "Swiss Army Knife of Spectroscopy and may be used to accurately measure wavelength emissions, reflectance, transmission, absorption, concentrations, and absolute intensities.  In addition to real-time spectroscopy,  SpectraWiz® has built-in applications for SpectroRadiometry, SpectroColorimetry, ChemWiz chemistry lab concentration analyzer, and UV level monitors.

Interface
The system includes a high speed plug & play interface using USB-2 connection.

      EPP2000-NIR InGaAs Example Spectra

   
 

EPP2000-XNIR3-InGaAs-  Telecom Laser Diode at 1.3 um

  EPP2000-NIR-InGaAs- silver film for reference surface 
       
       
   
  EPP2000-NIR-InGaAs-25-
Absorbance spectrum of almond extract
  EPP2000-NIR-InGaAs-25-
 Absorbance spectrum of fuel injector and cleaner
     
  EPP2000-NIR-InGaAs-
Low level signal detection with high dynamic range
   


 

        Specifications                 StellarNet Detector Information                How to Determine Spectral Resolution

 

Specifications           Zero defect 512 detector EPP2000-NIR-InGaAs Spectrometer $13,125

Dynamic range:                    4000:1 with 5 decades

Dimensions:                            150 x 100 x 68.8 mm

Resolving resolution:            3.1nm with 25μm slit

Power consumption:               2 Amps @ 5 VDC

InGaAs Detector:               512 pixel cooled PDA array

Interface:                                USB-2 and Parallel

Detector range:                   0.9-1.7μm   (900-1700nm)

Data transfer speed:               40x faster than USB-1

Pixel size:                           25um x 500um

Detector Integration:               1 millisecond to 30 secs

Pixel well depth:                 130 x108 electrons

Slit size options:                      25, 50,100, or 200μm

Selectable well control:       130 x108  or  5 x106 el.

Operating systems:                 Win98/NT/Me/00/XP

Signal to noise:                   4000:1 with TEC cooling

Software included:                  SpectraWiz program & apps

Digitizer:                            14 bit @ 2.5 MHz rate

Also free programs for:          LabView,Excel+VBA,Delphi

The SpectraWiz software is included to accurately measure wavelength emissions, reflectance, transmission, absorption, concentrations, and absolute intensities.
 

      Standard Models

 

InGaAs Model

Number of Elements

Spectrometer   Range (nm)

Grating      (g/mm)

Grating Range (nm)

Dispersion (nm/pixel)

Estimated Resolving Resolution

NIR

512

900-1700

250

800nm

1.562

3.1nm

NIRb

512

900-1600

300

650nm

1.269

2.5nm

NIR2

512

1250-1575

600

325nm

0.634

1.3nm

NIR2b

512

1150-1475

600

325nm

0.634

1.3nm

NIR

1024

1000-1700

600

700nm

0.683

1.4nm

NIR3-HR

512

1530-1605

1200

70nm

0.195

0.4nm

NIR3-HR

1024

1500-1640

1200

140nm

0.195

0.4nm

NIRX

512

1500-2200

300

700nm

1.367

2.8nm

NIRX

1024

1500-2200

600

700nm

0.683

1.4nm

NIRX-SR

512

900-2300

300

1400nm

5.3

<13nm

NIRX-SR

1024

900-2300

600

1400nm

2.7

<7nm

StellarNet SpectraWiz Software                                   (PDF needs Acrobat Reader ver4+)  
StellarNet Spectrometer Features to Compare
             (PDF needs Acrobat Reader ver4+)
EPP2000 Portable Spectrometer General Information   (PDF needs Acrobat Reader ver4+)
StellarNet Spectrometer Accessories                            (PDF needs Acrobat Reader ver4+)

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