Sea-Bird Scientific | News

SUNA V1 and ISUS Sensor Trade-In Offer

Written by Lindsay Koser | Dec 17, 2025 5:00:00 AM

SUNA V1 or ISUS Sensor Trade-In Offer

Sea-Bird Scientific is excited to offer a limited-time trade-in program for customers with a SUNA V1 or ISUS nitrate sensor. Eligible participants will receive a trade-in credit toward the purchase of a SUNA V2, now available at a dramatically reduced price.

The SUNA V2 is the ultimate solution for real-time nutrient monitoring. This sensor measures nitrate with industry-leading accuracy and stability over a wide range of environmental conditions (including extremely turbid and high CDOM conditions), from blue-ocean nitraclines to storm runoff in rivers and streams. The SUNA V2 incorporates the proven MBARI-ISUS nitrate measurement technology, which is based on the absorption characteristics of nitrate in the UV light spectrum.

Features:

  • Accuracy and stability over a wide range of environmental conditions
  • Adaptive sampling intelligence
  • Universal real-time nitrate processing algorithm
  • 10 optical pathlength
  • Serial data output
  • Titanium housing with a 500-meter depth rating**
  • User-friendly UCI software (Windows and Mac OS X compatible)

How to get started:

  • Contact your Sea-Bird Scientific sales representative or complete the form to initiate the trade-in process and receive your credit.
  • Traded-in instruments will be recycled responsibly, adding a sustainability benefit to your upgrade.

This is a great opportunity to modernize your toolkit while doing good for the planet. Reach out today to learn more!

Start Your Trade-In