Ocean Optics NIR - Manual (Page 29)

B: Specifications
NIR Spectrometer – Slit Size vs. Resolution and
Throughput
The following chart illustrates the effect that varying slit sizes have on NIR512 Spectrometer resolution
and throughput:
0
2
4
6
8
10
12
14
16
0 50 100 150 200
Slit Size (microns)
Resolution (FWHM)
0
10
20
30
40
50
60
Relative Intensity
NIR Spectrometer Specifications
NIR512 NIR256-2.1 NIR256-2.5
Dimensions 152 mm x 105 mm x 76 mm
Weight 190 g (without cable)
Power
consumption
2A @ 5V DC 4A @ 5V DC
Detector
range
900 to 1700 nm
900 - 2100 nm with grating N2
1200 – 2100 nm with grating N1 900 nm to 2500 nm
Gratings
N1: 300 lines/mm
blazed at 1 µm
N2: 150 lines/mm blazed at 1.6 µm
or
N1: 300 lines/mm blazed at 1 µm N2: 150 lines/mm
blazed at 1.6 µm
Entrance
aperture
5, 10, 25, 50, 100, or 200 mm wide slits or fiber (no slit)
Order-sorting
filters
Installed longpass and bandpass filters
197-00000-512-02-0707 23