Ocean-optics NIR User Manual download pdf (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 50 100 150 200

Slit Size (microns)

Resolution (FWHM)

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

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

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Ocean-optics NIR User Manual Page 29