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Single channel nitrate monitor 

The AV450 nitrate monitor has been designed for use on potable water treatment plants as a means of determining the quality of the final treated water. Other applications include blending of high and low nitrate waters and for borehole waters.

Fieldbus & HART


The AV450 provides continuous analysis with the minimum of manual intervention and extremely low running costs – no expensive chemical reagents are required.



  • Reagentless operation
  • Automatic cleaning
  • Virtually zero maintenance
  • Dual-wavelength measurement for turbidity and dissolved organic compensation
  • Long lamp life

Fieldbus & HART

ABB’s freedom of choice offers the right driver for the major fieldbus protocols suitable for ABB devices. 
The version matrix document shows for each protocol the software revision that’s compatible to the hardware and firmware revision of the device.

Software and documentation:

Stand-alone tool:
ABB offers software tools that use the listed drivers above for your device configuration and monitoring requirements. Read more & download

Fieldbus solutions:
ABB offers a wide range of fieldbus products, accessories, tools, support documentation, applications and news. Read more


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