Double Beam UV-VIS Touch Screen Spectrophotometer With Software (Model No-LI-2904)




Product Details : 

* The double beam UV-Vis spectrophotometer applies a new optical bench,
ARM chip control and data processing.
* 8-inch color touch-screen which displays menu and spectral curve and
can analyze spectrum test data.
* It’s quite easy for user and computer interaction.
* The instrument can perform following operations, including photometry,
automatic scanning spectral
* Measurement, quantitative analysis, dynamic analysis,
and multi-wavelength measurement.

Technical Specification : 

Photometry                                       Double Beam
Monochromator Type                       Czerny-Turner
Cell Holder                                       100mm Cell Holder
Grating                                             1600 lines/mm
Detector                                            Silicon Photocell
Spectrum Bandwidth                        1nm
Wavelength Setting                         8-inch color touch-screen
Wavelength Range                         190-1100nm
Wavelength Accuracy                     ±0.3nm(actual test ±0.2nm )
Wavelength Repeatability               ≤0.1nm
Scanning Speed                             Fast-Medium-Slow
Stray Light                                      ≤0.02%T( at 220nm NaI, 360nm NaNo2 )
Photometric Range                        0.0-200.0%T,-0.301-4.000A, 0.000-9999C
Photometric Accuracy              ±0.3% T, ±0.002 Abs (0-0.5A), ±0.004 Abs (0.5-1A)
Photometric Repeatability          ≤0.15% T, 0.001 Abs (0-0.5A), 0.002 Abs (0.5-1A)
Baseline                                     ≤±0.0008 A(200-1090nm)
Noise                                     100%(T)noise≤0.1%(T),0%(T)noise≤0.02%(T)
Drifting                                    ≤0.004 Abs/h (250nm and 500nm after 2h warm up)
COM Port                                  USB
Light Source                        Hamamatsu D2 lamp,Osram halogen tungsten lamp
Power                                  AC220V±22V 50Hz±1Hz, 200W
Packaging Size                   730mm X 630mm X 450mm, 42.5kg


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