Sensor for EXO Sonde

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Utilizing state-of-the-art UV LED technology, EXO NitraLED™ is anoptical nitrate sensor designed for long-term, low-drift monitoring.

Built-in corrections for Natural Organic Matter (NOM) and Turbidityminimize interference in freshwater environments. Its compact form factor allows for seamless integration with any EXO Sonde.

  • Expand and enhance your water quality monitoring program with UV Nitrate for more informed decision making.
  • The world’s most accessible monitoring solution for nitrate, at a fraction of the cost of lamp-based monitors.
  • Fits in the palm of your hand—and integrates directly into any EXO Sonde. No external hardware required!


Dimensions:    Length: 21,3 cm
  Diameter: 1,5 cm
  Weight: 0,07 kg
Units Measured: NO3-N (Nitrate-N) in mg/L
Sensor Type:   Optical, absorbance
Light Source:  UV LED (x2)
Messbereich:  0...10 mg/L–N
Measurement Range: 0...10 mg/L–N
Lower Detection Limit: +/- 0,1 mg/L–N or 5% of reading, w.i.g. (within 2°C)

+/- 0,4 mg/L–N or 5% of reading, w.i.g. (full temp range)

Operating Medium: Fresh water
Operating Temperature: 5...35°C
Depth Rating: 250 m