Double Beam UV-Vis Spectrophotometer LUS-B20 is a double beam designed UV-Vis spectrophotometer, offers 190 to 1100 nm of wavelength range with C-T monochromator and 1600 L/mm holographic grating. Features 3D spectrogram measurement for sample with dynamic change, this spectrophotometer has adjustable spectral bandwidth of 1.0 nm to 5.0 nm. Designed compactly with fixed 2 trench sample holder, deuterium and tungsten lamp as light source, it has automatic calibration. Equipped with photomultiplier sensor, digital signal and USB interface, 4 quartz cuvette, this spectrophotometer provides high resolution, low stray light, lasting stability, and powerful software function.
Buy Now View Catalog| Wavelength range | 190 to 1100 nm |
| Spectral bandwidth | 1.0 to 5.0 nm (adjustable) |
| Optical system | Double beam, C-T monochromator, 1600 L/mm holographic grating |
| Wavelength accuracy | ±0.3 nm |
| Wavelength repeatability | 0.1 nm |
| Wavelength resolution | 0.05 nm |
| Wavelength edge noise | 100%T line ≤0.1%T；0%T line ≤0.05%T |
| Stray light | 0.015 %T (at 220nm and 360 nm) |
| Baseline flatness | ≤±0.001 Abs |
| Baseline noise | ±0.1 %T |
| Baseline drift | ≤0.0004 Abs / h (after warm-up at 500 nm) |
| Standard sample holder | Fixed 2 trench sample holder |
| Measuring length | 0 to 200% T, -4.000 to 4.000 Abs, -9999 to 9999C, -9999 to 9999F |
| Transmittance accuracy | ±0.3 %T |
| Transmittance repeatability | 0.1 % T |
| Light switching point | Adjustable; 294 nm to 365 nm |
| Light Source | Deuterium lamp, Tungsten lamp (20 W/12 V) |
| Detector | Silicon photodiode detector |
| Interface | Digital signal; USB |
| Cuvette | 4 quartz cuvette; 10 mm optical path |
| Power supply | 220 V ± 10%, 50Hz |
| Power | 200 W |
| Dimension (L×W×H) | 620×510×245 mm |
| Package dimension (L×W×H) | 745×635×400 mm |
| Net weight | 30 kg |
| Gross weight | 39 kg |
Double Beam UV-Vis Spectrophotometer is used for photometric measurement, spectrum scan, quantitative determination, dynamics measurement, 3D map measurement, multi-wavelength test, DNA/ Protein concentration measurement etc. across factories, schools, metallurgy, agriculture, food industry, biochemistry, environment protection, petrochemical industry, medical and health and scientific research institutes or labs etc.
Our range of Double Beam UV/VIS spectrophotometers offer long optical path which ensure high accuracy and stability. Its design measures the transmittance of the sample and solvent simultaneously. It is highly precise and performs powerful analysis.
Wavelength Range : 190 to 1100 nm
Spectral Bandwidth : 1.8 nm
Optical System : Double beam
Wavelength range : 190 ~ 1100 nm
Spectral bandwidth : 2 nm
Wavelength accuracy : 0.5 nm
Wavelength range : 190 to 1100 nm
Spectral bandwidth : 1 nm
Wavelength Accuracy : ± 0.1nm @ 656.1 nm, ± 0.3 nm @ all
Wavelength range : 190 to 1100 nm
Spectral bandwidth : 0.5/1/2/4/5 nm
Wavelength Accuracy : ± 0.1nm @ 656.1 nm, ± 0.3 nm @ all
Wavelength Range : 190 to 1100 nm
Spectral Bandwidth : 1.8 nm
Optical System : Double beam, C-T monochromator，1200 L/mm holographic grating
Wavelength range : 190 to 1100 nm
Spectral bandwidth : 2 nm
Wavelength Accuracy : ± 0.1nm @ 656.1 nm, ± 0.3 nm @ all
Wavelength Range : 190 ~ 1100 nm
Setting Wavelength : Automatic
Spectral Bandwidth : 0.5 / 1.0 / 2.0 / 4.0 nm adjustable
Wavelength Range : 190 to 1100 nm
Spectral Bandwidth : 1.0 nm
Optical System : Double beam
| Illumination | 45/0 (45 ring shaped illumination,0° observation angle) |
| Repeatability | Light splitting reflectivity：standard deviation within 0.08% Color values: ΔE*ab<=0.03 (After calibration, standard deviation of 30 measurements on test white board, 5 second intervals) Maximum：0.05 |
| Sensor | High sensitivity silicon photodiode |
| Illumination | 45/0 (45 ring shaped illumination,0° observation angle) |
| Repeatability | Light splitting reflectivity：standard deviation within 0.08% Color values: ΔE*ab<=0.03 (After calibration, standard deviation of 30 measurements on test white board, 5 second intervals) Maximum：0.05 |
| Sensor | High sensitivity silicon photodiode |
| Light source | 150 W Xenon lamp |
| Excitation wavelength | 200 nm to 900 nm |
| Emission wavelength | 200 nm to 900 nm |
| Light source | 150 W Xenon lamp |
| Excitation wavelength | 200 nm to 900 nm |
| Emission wavelength | 200 nm to 900 nm |
| Wavelength Range | 900 nm to 2500 nm |
| Wavelength Accuracy | ≤ 0.2 |
| Wavelength Reproducibility | ≤ 0.05 |
Labtron Atomic Absorption Spectrophotometer makes use of the modern in technology. It is acquired after thorough research into the desires of the diagnostic community. It has all the power, performance and speed necessitated in today’s modern laboratory.
| Wavelength range | 190 - 900 nm |
| Spectral Bandwidth | 0.2 nm, 0.4 nm, 0.7 nm, 1.4 nm, 2.4 nm, 5.0 nm |
| Wavelength accuracy | ≤ ± 0.5 nm |
| Working spectral range | 190 to 900 nm |
| Spectral Bandwith | 0.1, 0.2, 0.4, 1.0 and 2.0 nm |
| Wavelength accuracy | ± 0.15 nm |
We produce a wide range of Nano spectrophotometer for qualitative and quantitative analysis of DNA/RNA in the sample. Our product is highly sensitive and requires only 0.5-2µl of sample for analysis.
| Wavelength range | 200 - 850 nm |
| Path length | 1 mm, 2 mm, 5 mm, 10 mm |
| Wavelength accuracy | ± 1 nm |
| Wavelength range | 200 - 800 nm |
| Path length | 0.2 mm (For high concentration measurement); 1.0 mm (For ordinary) |
| Wavelength accuracy | ± 1 nm |
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