Nitrate + Nitrite Sensor

precision submersible chemical sensor

Based on advanced lab-on-chip technology, this miniaturised microfluidic nitrate + nitrite sensor performs lab-grade nitrate analysis wherever you need it. It can also be configured to just measure nitrite.

sensor photo 2 Aug 2021



Temperature range

0 – 35 °C


0 – 1000 µM           0 – 14 mg/L-N 

Limit of Detection

0.05 μM

Sample volume

0.6 mL


RS232 and RS485 for M2M. User programmable via USB and Windows GUI.

Maximum deployment depth

6000 m

high-precision measurements made easy

Proven applications

  • Ocean
  • Estuaries
  • Rivers
  • Glacial meltwater
  • Laboratory incubations
  • CTD casts
  • Benthic landers
  • Coastal and deep moorings
  • Remotely operated vehicles
  • Autonomous underwater vehicles
  • Gliders
  • Profiling floats

And many more!

Do you want to measure nitrate and nitrite in situ with high-precision?

Or contact us to discuss your application!

We offer bespoke solutions for a wide variety of monitoring applications.
Our sensors can be adapted for your needs, including bespoke sampling strategies.
We also offer monitoring services to make data collection as simple as possible.

A high-precision nitrate + nitrite sensor

Download the sensor specification sheet here!