Double Beam UV-Vis Spectrophotometer US-B43

The Double Beam UV-Vis Spectrophotometer US-B43 employs two separate beams, allowing for simultaneous measurement of the sample and reference at a scanning rate of 800 nm/min. It is equipped with powerful capabilities for spectral data processing, storage, and analysis, facilitating comprehensive analysis of samples. Featuring a well-designed combination of hardware and software, it enables versatile spectroscopic measurements and analyses. Moreover, it accommodates a wide variety of sample types and sizes, enhancing user convenience in experimentation.

Wavelength Range190 to 1100nm
Wavelength Accuracy±0.3nm
Wavelength Repeatability≤ 0.1nm
Spectral Bandwidth2nm or 1nm
Optical SystemDouble beam
Monochromator SystemCzerny-Turner
Grating1600 lines/mm
Focal Length200mm
Scanning Rate8000nm/min
DetectorSilicon photocell
Wavelength Setting8-inch color touchscreen
Scanning SpeedFast-Medium-Slow
Stray Light≤ 0.02%T (at 220nm NaI, 360nm NaNo₂)
Photometric Range0.0 to 200.0%T
-0.301 to 4.000A
0.000 to 9999C
Photometric Accuracy±0.3%T
±0.002Abs (0 to 0.5A)
±0.004 Abs (0.5 to 1A)
Photometric Repeatability≤ 0.15%T
0.001 Abs (0 to 0.5A)
0.002 Abs (0.5 to 1A)
Baseline≤ ±0.0008 A (200 to 1090nm)
Sound Emission100%(T)Sound emission ≤ 0.1%(T)
0%(T)Sound emission ≤ 0.02%(T)
Drifting≤ 0.004 Abs/h
Communication PortUSB
Light SourceDeuterium Lamp, OSRAM Tungsten Lamp
Measurement FunctionsAutomatic Scanning of Spectra
Multi-wavelength (1 To 3 Wavelengths) Measurements
Kinetic Studies
Curve Fitting (Up to 3 Curves)
Derivative Spectra (Up to 4th Derivative)
Power Consumption200W
Power SupplyAC220V±22V, 50Hz±1Hz
Dimension (L × W × H)584 × 504 × 360mm
Packaging Dimension (L × W × H)730 × 630 × 450mm
Net Weight34 Kg
Gross Weight42.5 Kg

  • Work modes include T, A, C, E, and scanning speed range offers Hi, Med, Low (Max. 3000 nm/min)
  • Designed with a double beam 1200 lines/mm optical system
  • In-house massive memory capable of storing up to 1024 M for test data & working curves
  • Features a 10.1-inch high-resolution TFT colored capacitive touch screen and Windows Graphic interface
  • Large sample chamber accommodates 5 to 100 mm cuvettes of all kinds
  • Equipped with powerful functions including Photometric measurement, Quantitative measurement, Kinetics, Spectrum scan, DNA/Protein test, Multi-wavelength test, etc.
  • USB port facilitates data transfer, easily exportable to Excel for further processing
  • Socket type deuterium and tungsten lamp enables lamp switching without optics debugging and easy replacement

It finds widespread application in research facilities, laboratories, educational institutions, pharmaceuticals, hospitals, and medical fields. Its primary uses include diagnosing diseases and detecting impurities in organic compounds.


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