Photometer
Photometers measure photometric quantities such as luminous intensity and luminance for quantitative analysis. They are essential instruments in chemistry and environmental analytics.
Product
Photometer
Photometers measure photometric quantities such as luminous intensity and luminance for quantitative analysis. They are essential instruments in chemistry and environmental analytics.
Suppliers
The following suppliers offer Photometer products.
Suppliers enabled for requests
Brechbühler AG
Eppendorf Vaudaux AG
Hemotec GmbH
Huberlab AG
IGZ Instruments AG
Labgene Scientific SA
Mettler-Toledo (Schweiz) GmbH
Milian SA
Thermo Fisher Scientific (Schweiz) AG
You can send a request to the suppliers listed above and save time. Describe your requirements and the request will be forwarded to the selected suppliers. They will contact you with suitable proposals without any obligation.
Guide and selection support
Photometers are used for precise detection of light intensities and luminance, which are applied in various analytical settings for concentration determination and quality control. Selection criteria include measurement range, wavelength spectrum, and integration time to optimally address the measurement task. LabFinder supports navigation through clear categorization, comprehensive search terms, and assistance in choosing suitable photometric measurement instruments.
Application and Benefits
Photometers are instruments for measuring photometric quantities like luminance and luminous intensity. In analytical chemistry, they are mainly used to determine the concentration of substances in solutions, based on the Beer-Lambert law. These measurements are relevant in environmental analytics, process control, as well as in microbiological and biochemical laboratories.
Selection Criteria
Important factors for selecting a photometer include the required wavelength range, measurement accuracy, measurement principle, and compatibility with analysis conditions. Additional considerations are the device design, user-friendliness, and possible interfaces for data processing to ensure efficient integration into laboratory workflows.
Variants and Measurement Principles
Photometers can be based on various photometric principles, for example absorption or transmission measurement. Devices also differ in their spectral ranges, such as UV, VIS, or combined types, allowing individual applications from routine analysis to research.
Calibration and Maintenance
Regular calibration is essential to ensure measurement accuracy. Maintenance includes checking light sources and detectors as well as cleaning optical components. Manufacturer guidelines and validation protocols should be followed to ensure long-term measurement reliability.
Limitations of Use
Photometers reach their limits with complex samples where more than one component absorbs, or with highly scattering media. Result interpretation can be affected by matrix effects, so additional analyses or other spectroscopic techniques may be required.
Search Terms and Related Terms
Synonyms and relevant search terms include light meter, photometric measuring device, UV/Vis photometer, spectrophotometer, absorption measurement, concentration determination, and photometric analysis instruments. These terms help target the search for suitable instruments for photometric applications.
Related categories
Suitable brands
Frequently asked questions
How does a photometer work?
A photometer measures the intensity of light that is either absorbed by or transmitted through a sample. Measurement is often conducted in the UV/VIS range and is based on the Beer-Lambert law for concentration determination.
What types of photometers exist?
There are several variants, differing in wavelength range (UV, VIS), measurement principle (absorption, transmission), and design. Spectrophotometers are specialized photometers with a defined wavelength range.
What criteria are important when choosing a photometer?
Key criteria include measurement accuracy, wavelength range, user-friendliness, compatibility with sample types, and options for data integration. The intended application determines the specific requirements.
How often should a photometer be calibrated?
The frequency of calibration depends on usage and requirements. Regular checks and calibration according to manufacturer instructions are necessary to ensure reliable measurement results.
What are the limitations of photometers in use?
Photometers are less suitable for samples with complex matrices or strong scattering properties. In such cases, measurement accuracy may be affected and complementary analysis methods are advisable.
For suppliers
Register as supplier
Supplier of Photometer?
Present your company on LabFinder and be listed for this product category as well as suitable related categories and brands.