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CDINIR 1.7 - PC Card Spectrometer for NIR Applications up to 1700 nm

The CDINIR 1.7 is a complete NIR spectrometer with a Peltier-cooled InGaAs diode array detector on a PC card. The spectrometer has no flexible or adjustable parts and is completely maintenance-free. This guarantees a high degree of stability of the NIR calibrations models. High detector sensitivity and Peltier cooling of the InGaAs diode array also permit high speed measurements in the millisecond range.
The peltier cools the spectrometer down up to 25°C from the ambient.

Owing to the flexible fiber optic coupling, the spectrometer can be used for various different applications in process analysis, mobile analysis or quality assurance. In connection with chemometric methods, it is well suited for quantitative as well as qualitative analysis.

In addition to the CDISPEC software that is included in delivery, a GRAMS®/32 package and a MyInstrument driver are available optionally. Using the driver the spectrometer can directly run under GRAMS®/32 software. This allows you to build your chemometric models for quantitative or qualitative analysis easily.

Should you have questions concerning the technical specification; our application scientists will be pleased to consult you.

Spectral range
900 nm - 1700 nm
Customized ranges available
Single stage TE-cooled InGaAs diode array (25°C from TUmg)
< 2% dropout pixel, 0% dropout on inquiry
Pixel size ( width x height)
50 µm x 500 µm
25 µm x 500 µm
Pixel number
Spectral dispersion
Ca. 3.12 nm / pixel
Ca. 1.56 nm / pixel
Spectral resolution (FWHM)
Ca. 6 nm
Ca. 3 nm
Stray light
< 0.2%
Wavelength stability
< 0.05 nm over 48 hours
Fiber optic connector
SMA connector, internal 400µm-LOH optical fiber
Integration time
10 µs - 8 s
Detector sensitivity
500 A/D counts/sec/pW @ 1200 nm
500 A/D counts/sec/pW @ 1450 nm
150 A/D counts/sec/pW @ 1650 nm
Photometric repeatability
< 50 µAU, Variation between 100 data points,
Each point consists of 1000 samples (8 s accumulation)
Photometric stability
< 0.5 mAU over 48 hours
Noise level
13 µAU RMS (approx. 2 counts for 1024 point sample,
8 s accumulation, reference of 65,000 counts)
Signal-to-noise ratio
A/D converter
16 bit, 330 kHz
Electrical interfaces
Trigger input TTL, 2 digital TTL outputs
PC interface
ISA bus
Power requirements
5 V DC/ 3.5 A
Size (LHW)
Cooling down to 0°C / 32 °F :
17.3 x 10.2 x 4.1 cm / 6.8" x 4.0" x 1.6"
Ca. 550 g / 1.2 lb

Last change 06/12/2007
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