Double Beam UV-Vis Spectrophotometer US-B12

The US-B12 Double Beam UV-Vis Spectrophotometer is a compact tabletop unit featuring a double beam monochromator and automatic calibration alongside a silicon photocell sensor. It offers a fixed 2-trench sample holder complete with 4 quartz and 4 glass cuvettes, covering a wavelength range from 190 to 1100 nm via a C-T monochromator and 1200 L/mm holographic grating. Equipped with both a deuterium lamp and a tungsten lamp as light sources, this spectrophotometer ensures versatile functionality. Integrated with a blue LCD display and Windows-based PC control software, it facilitates easy operation and data transfer via a USB interface.

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Wavelength Range	190 to 1100 nm
Spectral Bandwidth	1.8 nm
Optical System	Double beam, C-T monochromator，1200 L/mm holographic grating
Wavelength Accuracy	±0.3 nm
Wavelength Repeatability	0.2 nm
Wavelength Resolution	0.1 nm
Wavelength Calibration	Automatic calibration after starting up
Measuring Range	0 to 200% T, -0.301 to 4.000 Abs, -9999 to 9999C, -9999 to 9999 F
Transmittance Accuracy	±0.3% T
Transmittance Repeatability	0.1% T
Light Source	Tungsten lamp, Deuterium lamp
Stray Light	≤0.05% T @ 220 nm, 360 nm
Light Switching Point	294 nm to 365 nm (adjustable)
Display	320×240 mm Blue LCD display
Baseline Flatness	≤±0.001 Abs
Baseline Drift	≤0.0005 Abs / half hour (after warm-up at 500 nm)
Sample Holder	fixed 2 trench sample holder
Cuvette	4 Quartz cuvette (10 mm optical path) 4 Glass cuvette (10 mm optical path)
Sensor	Silicon photocell
Interface	USB
Output	Digital Signal
PC Software	Yes
Power Supply	220V ± 10% 50 Hz, 85 VA / 110 V ± 10% 60 Hz 85 VA
Dimensions (L×W×H)	545 × 450 × 235 mm
Package Dimension (L×W×H)	660 × 560 × 400 mm
Net Weight	17 kg
Gross Weight	26 kg

Double beam monochromator guarantees high linearity, minimizing stray light effectively
Silicon photocell sensors and automatic calibration function ensure precise and accurate results
Fixed 2-trench sample holder simplifies operation for users
Includes 4 quartz and 4 glass cuvettes with a 10 mm optical path, facilitating easy sample handling
Covers a wavelength range from 190 to 1100 nm using a C-T monochromator and 1200 L/mm holographic grating
Utilizes deuterium lamp and tungsten lamp as light sources, ensuring high-resolution measurements
Equipped with an LCD display, Windows-based PC control software, and USB interface for convenient data transfer

The Double Beam UV-Vis Spectrophotometer finds extensive use in various fields for photometric measurement, spectrum scanning, quantitative determination, dynamic measurements, 3D map measurements, multi-wavelength testing, and DNA/Protein concentration measurements. Its applications span across factories, schools, metallurgy, agriculture, food industry, biochemistry, scientific research institutes, and more.