3 Technical data
This section introduces the reader to the instrument specifications and the list of materials used.
3.1 Materials used
Materials used
Component Material designation
Base plate Aluminium / stainless steel
Wedges TeO
2
Polarizers Glass
Housing Polyurethane foam
Detector InGaAs
Magnets NdFeB
3.2 Technical data basic instrument
3.2.1 Basic instrument
Technical data basic instrument
Dimensions housing ( W x H x D) 350 x 250 x 450 mm
Electric power supply 100−230 VAC ± 10 %, 50/60 Hz, 350 W
Ambient conditions < 80 % relative humidity for T < 31 °C, linear decreasing
to 67 % at 35 °C, max. 2500 m, for indoor use only
Ambient temperature 5−35 °C ( 25 ± 5 °C recommended)
Pollution degree 2
Installation category II
Spectral range 800 - 2500 nm (default 1000 - 2500 nm)
12‘500 - 4‘000 cm
-1
(default 10‘000 - 4‘000 cm
-1
)
(if not specified otherwise for measuring cell)
Resolution 8 cm
-1
(with boxcar apodisation)
Type of interferometer Polarisation interferometer with TeO
2
wedges
Wavenumber accuracy ± 0.2 cm
-1
(measured with HF gascell at an ambient
temperature of 25 °C ± 5 °C)
S/N 10000 (peak-to-peak noise of a linear corrected baseline
between 5600−6000 cm
-1
, measured with NIRFlex
Liquids, 2 x 64 scans, Blackman apodisation)
Number of scans/sec. 2−4
Analog digital converter 24 bit
Type of lamp/lifetime lamp (MTBF) Tungsten halogen lamp / 12000 h (2 x 6000 h)
Type of laser 12 VDC HeNe, wavelength at 632.992 nm
Ethernet connection 100 Mbit/s
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