Dual beam UV visible spectrophotometer

　　Dual beam UV visible spectrophotometerThe intensity of the light source and the sensitivity of the detector change over time. When only measuring the sample light, there will be changes in the intensity of the light source and the sensitivity of the detector between baseline measurement and sample measurement, which will cause errors in the measured values. The reference light plays a role in monitoring these changes at any time and correcting the impact of the changes. Therefore, the dual beam device can stably perform measurements even if the light source intensity and detector sensitivity may vary. On the other hand, single beam devices are directly affected by variations in light source intensity and detector sensitivity. When using a single beam device, it is necessary to wait for the stability of the light source and detector after turning on the power, and frequently perform baseline correction, automatic zero point correction, etc. to suppress the impact of changes.
　　
The dual beam UV visible spectrophotometer can assist in quantitative measurement, spectral scanning, food safety testing, DNA/protein testing, heavy metal testing, thermal power generation metal ion testing, etc. Therefore, it has been widely used in various fields such as pharmaceuticals, food, electricity, teaching and research, quality supervision, biological research, chemical engineering, water quality and environmental inspection.
　　
The dual beam UV visible spectrophotometer can scan the entire wavelength range of a substance, comprehensively analyze the characteristic wavelength of the substance, judge experimental errors during operation, and help measure the concentration of the substance and the change in OD value over time. So, it is a very practical and important laboratory instrument.
　　
The main features of a dual beam UV visible spectrophotometer are:
　　
The brand new optical system design enables the instrument's mainframe to have excellent optical and metering performance, low stray light and noise, high metering accuracy and stable reliability.
　　
The design and working method of installing deuterium and tungsten lamps, automatically switching light sources, and automatically finding the best position make it more convenient, correct, and safe for users to operate instruments and replace light sources.

　　
Excellent software design and programming enable the instrument to have strong spectral data processing capabilities: automatic scanning measurement of spectra, multi wavelength (1-3 λ) determination, kinetic determination, 1-3 degree curve fitting, 1-4 derivative spectra, access display printing of spectra, and analysis of data.
　　
Adopting a large Chinese window display, it has a good human-machine dialogue interface.