Phosphate Sensor

precision submersible chemical sensor

Based on advanced lab-on-chip technology, this miniaturised microfluidic phosphate sensor performs lab-grade measurements wherever you need them.

sensor photo 2 Aug 2021



Temperature range

0- 35 °C

Power consumption

1.5 W


0 – 10 μM       0 – 0.31 mg/L-P   (standard range)

0 – 20 μM       0 – 0.62 mg/L-P    (on request)

Limit of Detection

0.05 μM

Sample volume

0.6 mL


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

Maximum 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!

Case study

Interested? Please read our case study about phosphate monitoring in rivers using lab-on-chip phosphate sensors available for ClearWater Sensors

Do you want to measure phosphate 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 phosphate sensor

Download the sensor specification sheet here!