A double beam UVVis spectrophotometer is an advanced analytical instrument used to measure the absorbance or transmittance of substances in the ultraviolet 200400 nm and visible 400800 nm regions of the electromagnetic spectrum It is widely used in chemistry biochemistry pharmaceuticals and environmental analysis for quantitative and qualitative analysis of compounds
In a double beam system the light from a source such as a deuterium lamp for UV and a tungsten lamp for visible light is passed through a monochromator which selects a specific wavelength The monochromatic light is then split into two beams using a beam splitter
One beam passes through the sample solution
The other beam passes through a reference or blank solution
Both beams are directed to detectors and their intensities are measured simultaneously or alternately The instrument compares the intensity of light passing through the sample I with that of the reference I and calculates absorbance using BeerLamberts law
Key components include
Light sources UV and visible
Monochromator prism or diffraction grating
Beam splitter
Sample and reference cuvettes
Detector photodiode or photomultiplier tube
Display or data processing system
Advantages
Compensates for fluctuations in light intensity
Provides higher accuracy and stability than single beam instruments
Allows continuous monitoring of absorbance
Applications
Determination of concentration of solutions
Kinetic studies of chemical reactions
Identification of substances based on absorption spectra
Quality control in pharmaceuticals and food industries
In summary
A double beam UVVis spectrophotometer improves measurement reliability by simultaneously comparing sample and reference signals making it a precise and efficient tool for spectroscopic analysis

Price:
Price 575000 INR / Unit
Minimum Order Quantity : 1 Unit
Warranty : 1 Year Warranty
Power Supply : AC 90250V, 50/60Hz
Length : 515 mm Millimeter (mm)
Width : 635 mm Millimeter (mm)
Price 1275000 INR / Unit
Minimum Order Quantity : 1 Unit
Warranty : 1 Year Warranty
Power Supply : AC 220V/50Hz110V/60Hz
Length : 380mm Millimeter (mm)
Width : 445mm Millimeter (mm)
Price 379000 INR / Unit
Minimum Order Quantity : 1 Unit
Warranty : 1 YEAR
Power Supply : 100240 V, 50/60 Hz
Length : 630Mm Millimeter (mm)
Width : 740mm Millimeter (mm)
Price 449000 INR / Unit
Minimum Order Quantity : 1 Unit
Warranty : 1 Year Warranty
Power Supply : AC 220V / 50Hz or AC 110V / 60Hz
Length : 730mm Millimeter (mm)
Width : 630mm Millimeter (mm)