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Changsha Kemei Analytical Instrument Co., Ltd
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Near infrared spectrometer SJNIR-R15
The SJNIR-R15 near-infrared spectrometer, a new type of near-infrared spectroscopy analyzer, adopts internationally advanced micro electromechanical t
Product details

Near infrared spectrometer SJNIR-R15

Product Introduction

The new near-infrared spectrometer SJNIR-R15 adopts internationally advanced micro electromechanical technology (MOMES) and embedded computer system to form a portable near-infrared spectroscopy analysis instrument. This instrument adopts a new spectral detection principle combining MOMES optical switch array and single point detector. The entire system has no movable parts and good spectral repeatability. At the same time, due to the use of single point detector, it has good model transfer characteristics among instruments of the same type.

Main parameters:

project

content

wavelength range

900-1700nm (900~2500 optional)

Wavelength accuracy

0.16nm

wavelength repeatability

0.01nm

spectral resolution

10nm@50 µ m slit, 7nm@25 µ m slit

Dark noise

100 RMS Counts(24bit)

dynamic range

5000:1 (single collection)

scanning speed

2 times/s

Digital resolution

24 bit or: 1

Signal to noise ratio (1s)

0.170/000FS (0.17 parts per ten thousand of full scale)

Stability (1s)

0.190/000FS (0.19 parts per ten thousand of full scale)

Data transmission speed

Greater than 200 spectra per second (USB 2.0)

entrance slit

50/125 fiber optic or 25 µ m, 50 µ m slits are optional

light source lifetime

2000 hours

Working temperature range

-5-50 ℃ (using an external PDA)

0-50 ℃ (using built-in computer)

Storage temperature range

-10~75℃

Working humidity range

5%~90%

communication input

100 – 240 VAC 50/60 Hz

DC input

15 VDC, 3.5A

communication interface

RS232 standard serial port USB2.0、 Standard Ethernet port;

Optical interface

SMA905

Measurement interface

Sample pool or fiber optic reflective probe

human-computer interaction

Linux+touch screen (built-in embedded computer)

Or Windows XP, Windows 7 (external desktop computer)

size

The whole machine measures 310mm x 240mm x 170mm (width x depth x height)

Spectrometer module 100mm x 90mm x 120mm (width x depth x height)

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