Buchi NIRMaster Essential, Operation Manual

Page: 16 / 46

3 | Product description
Büchi Labortechnik AG
16/46 Operation Manual NIRMaster™
Specification NIRMaster™ Essential
Signal-to-noise ratio 10000
(peak-to-peak noise of a linear
corrected base- line between
5600−6000 cm-1)
Number of scans/sec. 2 - 4
Illumination spot diameter 9 mm
Analog digital converter 24 bit
Lamp type Tungsten-halogen
Average life
(lamp) 6000 h
Type of laser 12 VDC HeNe, wavelength at
632.992 nm
Connection voltage 100 – 240 VAC ± 10 %
Detector Extended range InGaAs (temper-
ature controlled)
Internal reference Gold plate
External reference Spectralon®
Sample rotation Easy-spin drive, a magnetic spin-
ner is included for high perfor-
mance measurement of inhomo-
geneous sample
3.6.2 Ambient conditions
For indoor use only.
Max. altitude above sea level 2000 m
Ambient temperature 5 - 40 °C (25 °C)
Maximum relative humidity 80 % for temperatures up to 31
°C
decreasing linearly to 50 % rela-
tive humidity at 40 °C
Storage temperature max. 45 °C
3.6.3 Materials
Component Material of construction
Spectrometer base Aluminum
Wedges TeO
2
Polarizers Glass
Upper housing part PMMA, food grade
Lower housing part Stainless steel, food grade 1.4301
Spinner PETP, stainless steel 1.4305 / 1.4301
XL add-on Stainless steel 1.4305, glass