UV-Vis Spectroscopy


Spectrophotometers are used to measure the absorbance of light across the UV and visible regions of the electromagnetic spectrum. UV-Vis spectroscopy is a powerful tool for a chemist.


Online spectrophotometers are able to measure multiple parameters simultaneously using this technique. Anything that absorbs light in this region can theoretically be detected. Typical parameters include, UV254, colour, nitrate, nitrite, sulphide and many more.


An online spectrophotometer is a flexible tool and with some advanced turbidity compensation mechanisms can measure even small changes in the absorbance even in variable water such as raw water.

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Products for this application

s::can UV spectro::lyser


An online UV only spectrophotometer for measuring the UV spectrum and multiple parameters. The sensor can be ATEX certified if required.

s::can UV-Vis spectro::lyser


An online UV-Vis spectrophotometer for a wide variety of applications. The sensor can be ATEX certified if required.

Here is a related article

Online event detection in drinking water using UV-Vis spectroscopy

Ana::tool is a piece of event detection software that is embedded onto a s::can concube controller and works with s::can sensors such as the spectro::lyser.

It is frequently used in intake protection, pollution monitoring or in a distribution network. 


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A bit about us

Established in 1971 PMA is a well-recognised provider of online instrumentation for process control and compliance monitoring. With expertise in analytical techniques such as Photometry, Colorimetry, Ion-selective electrodes (ISEs), Titration, Fluorescence, Ultrasonics and more.

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