UV VIS Spectrophotometer DU-8800DS

UV VIS Spectrophotometer DU-8800DS

UV VIS Spectrophotometer Double Beam

A UV-Vis spectrophotometer with a double-beam design is used in laboratories to accurately measure the absorbance or transmittance of light by a sample across the ultraviolet and visible light spectrum.
It’s a crucial tool for quantitative and qualitative analysis in various scientific fields, including chemistry, biology, and materials science. UV VIS Spectrophotometer DU-8800DS

UV VIS Spectrophotometer DU-8800DS

Key uses of a double-beam UV-Vis spectrophotometer in a lab:
Quantitative analysis:
Determining the concentration of a substance in a solution by measuring how much light it absorbs or transmits.
Qualitative analysis:
Identifying unknown compounds or molecules based on their unique absorption spectra.
Kinetics studies:
Monitoring the rate of chemical reactions by measuring changes in absorbance or transmittance over time.
DNA/RNA and protein analysis:
Quantifying nucleic acids and proteins, crucial for molecular biology and biotechnology.
Material characterization:
Analyzing the optical properties of materials, such as band gaps in semiconductors.
Clinical and pharmaceutical testing:
Analyzing biological samples, drugs, and other compounds for quality control and research.
Food and beverage analysis:
Assessing the quality and composition of food and beverage products.
Environmental monitoring:
Detecting and quantifying pollutants or other substances in environmental samples.
Colorimetric analysis:
Measuring the color of a substance, often by converting it into a colored compound for analysis.
Research applications:
Supporting various research endeavors by providing detailed information about the interaction of light with matter.
How UV VIS Spectrophotometer DU-8800DS works:
A double-beam spectrophotometer splits a beam of light into two paths: one passes through the sample and the other through a reference (usually a blank solution). Both beams are then passed through a monochromator to select a specific wavelength of light, and the light intensity of each beam is measured by detectors. By comparing the intensities of the two beams, the instrument can accurately measure the absorbance or transmittance of the sample, even if the light source fluctuates or the sample is not perfectly transparent.
Advantages of a double-beam design:
Improved accuracy and precision: Reduces the impact of light source fluctuations and other sources of error, leading to more reliable results.
Better for measuring dilute solutions: Allows for accurate measurements of very low concentrations of substances.
Suitable for a wide range of applications: Can be used in various research and analytical settings due to its versatility and precision.

UV VIS Spectrophotometer DU-8800DS

Features：
Double beam ensure low drift, low noise and Low stray light
High speed MCU, high precision AD, large storage capacity
Large LCD display (320*240 Dots)
1.8 nm Bandwidth meet Pharmacopoeia
Data and Curve can be stored in real-time
Online software upgrade capability
Lamps can be turned on/off individually
Easy to change Pri-aligned lamps
Reinforced baseboard and bracket assures durability

Product descriptions from the supplier

Specifications of the Double Beam UV VIS Spectrophotometer

Model DU-8800D
Wavelength Range 190-1100nm
Spectral Bandwidth 1.8nm/1.0nm optional
Optical System Double Beam Blazed Holographic Grating (1200 lines/mm)
Wavelength Accuracy ±0.3nm
Wavelength Repeatability ≤0.2nm
Wavelength Setting Auto,
Resolution 0.1nm
Photometric Range 0~200%T, -0.3­~3A, 0~9999C
Photometric Accuracy ±0.002A (0~0.5A), ±0.003A (0.5~1A), ±0.3%T (0~100%T)
Photometric Repeatability ≤0.001A (0~0.5A), ≤0.002A (0.5~1A), ≤0.2%T (0~100%T)
Stray Light ≤0.05%T(220/360nm)
Scan Speed High, Medium, Low. Max.2000nm/minute
Baseline Flatness ±0.001A
Stability ±0.001A/h (500nm,0A)
Noise ≤0.2%T/3min (250/500nm,0%T); ≤0.3%T/3min (250/500nm,100%T)
Sample Compartment Accommodate 5-100mm
Pathlength Cuvette
Detector Silicon Photodiode
Lamps Tungsten Lamp & Deuterium Lamp (Pre-aligned)
Display Graphic LCD (128×64 Dots)
Keypad 30-key Alphanumeric Membrance Keypad
Output Port USB Port & RS232 Port
Printer Mini Serial Printer; PC Printer PC Software
PC Scanning Software
Power Requirements AC 90-250V，50/60Hz
Dimension 545x468x245mm
Net Weight / Gross Weight 21kgs / 25kg

UV VIS Spectrophotometer DU-8800DS