UV Visible spectrophotometers adopt split beam optical system, with large internal memory capacity, which can store test results, scanning images, regression equations and calibration data, and plot curves by over-spectral scanning, fixed wavelength time scanning and linear regression.
8-inch color touch LCD monitor
- Adopt 8-inch color touch LCD, flexible and convenient operation, easy to read.
- High-resolution monochromator with outstanding optical precision, measurement accuracy, reproducibility, and stability.
Power failure protection measures
- Power outage protection measures can remember the measured data, scanning spectra, regression equations, and instrument correction values.
- The optional data software allows direct scanning of spectra and other processing functions, enabling mass storage of test files.
The spectrophotometer is easy to operate, has perfect functions and high reliability, and can be widely used in drug testing, drug analysis, environmental testing, hygiene, and food epidemic prevention.
A1: What is the difference between a UV-Visible spectrophotometer and a visible spectrophotometer?
Q1: The difference between UV-Visible spectrophotometer and visible spectrophotometer is that the measurement wavelength range is different, UV generally uses a hydrogen lamp, the measurement wavelength range is of 180 ~ 350NM, visible generally uses a tungsten lamp, and the measurement wavelength range of 320 ~ 1000NM. The so-called UV-Visible spectrophotometer also means that this instrument can change the light source, can determine the absorption peak in the UV and visible part of the compound.
A2: What is the wavelength range of the UV-Visible spectrophotometer?
Q2: Ultraviolet-visible (UV-Vis) spectrophotometers use a light source that illuminates the sample with light in the UV to visible wavelength range (typically 190 to 900 nm). UV-Vis-NIR spectrophotometers extend the wavelength range to the near-infrared (NIR) (800 to 3200 nm).
A3: What is the principle of operation of a spectrophotometer?
Q3: The basic principle of the spectrophotometer is that the substances in solution are excited by light irradiation, resulting in the effect of light absorption, the absorption of light by substances is selective, a variety of different substances have their own absorption spectrum, so when a monochromatic light through the solution, its energy will be absorbed and diminished, the degree of light energy diminution and the concentration of substances have a certain proportional relationship, that is, in line with the colorimetric principle - -Biel's law.
Tips: How does a single-beam spectrophotometer work?
A single-beam spectrophotometer determines color by measuring the intensity of the light source before and after it is inserted into the test sample. The light source is modulated (turned on and off) to distinguish between light from the light source and light from the flame.
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