Portable Raman Spectrometer

DTR2000

FEATURES

Ø linear CCD with TEC cooling;

Ø low noise circuit;

Ø Powerful embedded software;

Ø Fluorescent background eliminate;

Ø Peak searching and indicating;

Ø 10.1’’ LCD;

Ø Android Operation System;

Ø USB 2.0;

Ø Touch screen  and Keyboard input;

Ø Friendly HMI;

Ø Battery Endurance > 5 hours;

Ø Remote control via LAN;

Ø IP67 case;

APPLICATIONS

Ø Biological science

Ø Pharmaceutical engineering

Ø Forensic analysis

Ø Agriculture and food safety

Ø Gemstone

Ø Environmental science

GENERAL DESCRIPTION

DTR2000 portable Raman spectrometer is suitable for field operation. The outstanding reliability makes the detection result much accurate. The excellent low stray light conditions that enable the spectrometer has a wide range of application, especially in the biochemical analyzer, food safety, pharmaceutical engineering. The multi-function software facilitated the spectral analysis process in application. The remote experiment through internet access makes the bald test item much easier.

1 Specifications

1 Optical Performance

1.1 General spectral performance

Excited laser intensity: 200 mW

Integrate time: 10 s

Boxes car: 3 times

Spectral range: 250-2400 cm^-1

918 cm^-1 FWHM: 9 cm^-1

918 cm^-1 intensity: 28886 count

Noise: 89 count

S/N: 324

Fig. 2.1

 Raman spectra of acetonitrile

2.2 Spectral Resolution

2.2.1 Raman spectral of Tylenol

Fig.2.2 Raman spectrum of Tylenol,the vibration mode 1610/1615 cm^-1 can be resolved.

Excited laser intensity: 200 mW

Integrate time: 10 s

Boxes car: 1 time

Raman spectra of Tylenol showed the resolution condition in the long wavelength region. That is better than 6 cm^-1.

2.2.2 Raman spectral of petrol

Fig.2.3 Raman spectrum of petrol 93#, the vibration mode 723/732/742cm^-1 can be resolved.

Excited laser intensity: 200 mW

Integrate time: 10 s

Boxes car: 1 time

Raman spectra of petrol 93# showed the resolution condition in the short wavelength region.

1 Reliability

    Figure 3.1 and Figure 3.2 showed the temperature reliability testing results of fives DTR2000 portable Raman spectrometers. The testing temperature range was from 5 ^oC to 40 ^oC. The spectrometer was kept more than 1 hour at every temperature spots. Acetonitrile was used as the standard sample in the testing. The testing results were calculated using 918 cm^-1 of acetonitrile. The wavenumber shift was 1 cm^-1 or less(as show in Fig. 3.1). The peak intensity variation was less than 10% (as show in Fig. 4).

Fig. 3.1 Wavenumber shift results testing from 5 ^oC to 40 ^oC of fives DTR2000 portable Raman spectrometers

Temperature range: 5-40 centigrade

Wavenumber shift: < 1 cm^-1

Fig. 3.2 Intensity variation testing from 5 ^oC to 40 ^oC of fives DTR2000 portable Raman spectrometers

Temperature range: 5-40 centigrade

Spectral intensity variation: < 10%

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