Marvel Ltd as representative of Photonic Measurements, UK offers portable and stationary measuring instruments for analysis (BOD, COD, DOC, TOC) of drinking, industrial and wastewater. 

  Photonic UV254Go 

Portable analyzer UV254 Go! 

 Photonic onlineUV254

Online monitoring system UV254 

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    Additional information on: https://www.photonicmeasurements.com