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>> INSTRUMENT
> NIR Spectrometer |
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Spectrometer Systems VIS / NIR
- Rugged spectrometer for industrial and laboratory applications
(light sources, touch-pad display, fiber optics, ...)
- Highly efficient holographic gratings
- 16 bit diode line electronics
- USB port / RS232 port / Ethernet optional
- diode line electronics combined with
- transmission polychromators.
This concept allows to meet the requirements which are typical in - laboratory-,
- industrial-, as well as
- OEM
Spectrometer Plug-In Units 
The hardware of a spectrometer plug-in unit consists of a mounted combination of polychromator, detector electronics, and data acquisition board.
The components of the unit are mounted as plug-in unit for table racks and 19?industrial racks.
The spectrometer unit is spectrally calibrated and the calibration data are stored in the EEPROM of the data acquisition board.
The measured data and the calibration data can be read via USB, RS232, or Ethernet. Software routines for reading the data from a Windows software are given in a 32 bit DLL.
Hence, the unit is well suited for OEM customers, who want to integrate the unit into their own table- or 19? rack, and who want to use their own power supply.
Complete Spectrometer System 
These systems are well suited for industrial-, as well as for laboratory applications.
The hardware of a complete spectrometer system consists of a mounted and calibrated combination of polychromator, detector electronics, data acquisition board, table rack with power supply, software, and light source (optional). Included is the Windows spectrometer software ETA-STC (basic version) or the Windows spectrometer software ETA-STC2 (basic version for 2 channel applications).
ETA-CSS Standard Software Modules - Spectral Transmittance
- Spectral Reflectance
- Spectral Absorbance
- Spectral Emisson
Additional software modules 
- Color measurement
- Thickness measurement for single and multiple layers
- Peak detection
ETA-CSS Light Sources
HL 50 for VIS and NIR
Stability better 0.2%/h
HL 6-8 for NIR
(without picture)
Commonly used gratings from own production |
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VIS
- ETA-G 350/700 350 - 700 nm
- ETA-G 380/780 380 - 780 nm
- ETA-G 380/1050 380 - 1050 nm
- ETA-G 350/800 350 - 800 nm
- ETA-G 400/500 400 - 500 nm
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- ETA-G 850/1700 850 - 1700 nm
- ETA-G 1370/1700 1370 - 1700 nm
- ETA-G 1250/2500 1250 - 2500 nm
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| | Photodiode line array | Perkin Elmer (VIS)
Hamamatsu (NIR) |
| | Number of pixel | 512 or 256 (VIS)
512 or 256 (1.7µm version) NIR
256 (2.5µm version) NIR |
| | Pixel size | 2.5 mm x 25 µm (VIS)
0.5 mm x 25 µm/50 µm (1.7µm) NIR
0.5 mm x 50 µm (2.5µm) NIR |
| | Digitalization | 16 bit |
| | Dynamic range | > 1:10 000 |
| | Line array output | 16 bit data, parallel |
| | Line array input | clock (pixel clock) |
| | Integration time (VIS) | 6 ms ... 60 s (512 pixel line)
10µs steps
3 ms ... 60 s (256 pixel line)
10µs steps |
| | Integration time (NIR) | 0.01 ms ... 60 s
10µs steps |
| | Interface | USB / RS 232 / Ethernet (optional) |
| | Grating | holographic transmission grating |
| | Stray light | < 0.1 % |
| | Optical resolution | 2 pixel |
| | Focal length (VIS) | 50 mm(512 pixel) or 25 mm (256 pixel) |
| | Focal length (NIR) | 50 mm(512 pixel) |
| | Numerical aperture | 3.1 (512 pixel) or 2.7 (256 pixel) |
| | Entrance slit | 3 mm x 25 µm; 3 mm x 50 µm;
3 mm x 100 µm |
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312È£ Tel:031-347-4661/2 Fax:031-347-4663
E-mail : 
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