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Posttime: 08 Jul, 2022 Views: 188 Author: Raza Akbar

Tips on choosing the right spectrum measuring instrument

Light qualities may be measured using a particular region of the electromagnetic spectrum using a spectroradiometer or spectrodensitometer. For wavelengths between 200 and 2500 nm, a compact optical spectroradiometer can commonly detect light intensity.
Compact optical spectroradiometers of today are digitally operated, and their light spectra are recorded in computer memory. In addition to the usual laboratory setting, advances in spectrometer size reduction have allowed handheld/portable applications.
Many sectors, including medical, food, energy, research, and education, use spectrometers as essential components of mass-produced devices.

What spectroradiometer is used for?
Analytical instruments such as spectroradiometers can do both qualitative and quantitative analysis quickly. It has been widely applied. It has been used in various scientific and industrial disciplines, including medicine, materials, the environment, chemistry, biology, and food.
DNA/RNA concentration, bacterial content of an organism, and if an assay solution contains a particular material are some of the more common things tested in biology laboratories using this technique.
Existing UV-V spectroradiometers have an outdated design that necessitates using an optical cuvette. This model uses UV lamps or tungsten lamps as the light source, which has a limited lifetime and must be preheated for at least half an hour.
You must place a minimum of 50 nL of diluted material into a cuvette to record the absorbance, not its concentration.
Integrating sphere spectroradiometer
Guide for selecting a spectroradiometer
How do you know which spectroradiometer to purchase? The following are the three most important things to keep an eye out for:

Effectiveness
A significant advance over older versions, most spectroradiometers now on the market do their tests in 8 to 10 seconds. On the other hand, the new models only take three seconds to evaluate, resulting in a productivity boost of two to three times.
LISUN provides the best spectrophotometer for light measurement.

Precision
In specific models, the error rate has been reduced to less than one per cent. To avoid light dispersion, the sample window is built of quartz glass and coated with a Nano hydrophobic coating. For good data repeatability, a second light source is used to aid the operator in locating air bubbles.

Calibration
For spectroradiometers, there are two kinds of calibrations: light source calibration and path-length calibration. The light source’s luminance diminishes with time and must be adjusted every 1 to 2 years.
You may now accomplish this without needing to send the machine to an expert by reading the specifications given by the manufacturer and doing your machine calibration.
The major problem with today’s spectroradiometer is the inability to calibrate the path length. The electric motor is employed to modify the route length due to varying concentrations of samples, but path length displacement induced by equipment also impacts built-in parameters and formulae.
Once every three to six months, relying on the number of samples and frequency, the spectroradiometer requires calibration.
You may alleviate the calibration difficulty using a spectroradiometer with a predetermined route length. The user may customize the route length to accommodate a wide range of concentrations.

Lisun Instruments Limited was found by LISUN GROUP in 2003. LISUN quality system has been strictly certified by ISO9001:2015. As a CIE Membership, LISUN products are designed based on CIE, IEC and other international or national standards. All products passed CE certificate and authenticated by the third party lab.

Our main products are Goniophotometer, Integrating Sphere, Spectroradiometer, Surge Generator, ESD Simulator Guns, EMI Receiver, EMC Test Equipment, Electrical Safety Tester, Environmental Chamber, Temperature Chamber, Climate Chamber, Thermal Chamber, Salt Spray Test, Dust Test Chamber, Waterproof Test, RoHS Test (EDXRF), Glow Wire Test and Needle Flame Test.

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