Description
Touch Screen Double Beam UV-VIS Spectrophotometer With 100mm Cell Holder Model: LI – 2904
The LI-2904 is a sophisticated laboratory instrument used for analyzing the absorption and transmission of light in the ultraviolet-visible (UV-VIS) spectrum. It offers precise measurements of the interaction between light and various chemical substances. Here are some key features and details about this spectrophotometer.
Specification:-
Photometry Double Beam
Monochromator Type Czerny-Turner
Cell Holder 200mm
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
1 Packaging Size 730mm X 630mm X 450mm, 42.5kg
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