Articles By Paul Nieberding

The NexSens XB-200 data buoy deployed in Acton Lake.

Earth

NexSens XB-200 Data Buoy Review

Open water monitoring projects can pose many challenges, and NexSens Technology has the solution with the new XB-200 Data Buoy. Easy Deployment Data buoy deployments often require large, expensive vessels with lifting gear. At under 30 inches in diameter and just 67 lbs (plus payload), the XB-200 is easy...

  • Posted January 19, 2026
A NexSens X3 data logger deployed on a pole-mount system.

Earth

NexSens X3 Data Logger Review

Extreme environments meet extreme design with the NexSens X3 Data Logger. The new logger offers the latest in real-time monitoring technology with wireless communication, a large plug-and-play sensor library and ultra-low power consumption, all in a waterproof marine-grade housing. The X3 is built to handle harsh weather, floods, high...

  • Posted January 13, 2025
The YSI ProQuatro in use at the Fondriest Center for Environmental Studies.

Technology

YSI ProQuatro Multi-Parameter Water Quality Meter Review

When environmental professionals need a reliable multi-parameter meter with measurement flexibility, the YSI ProQuatro is an affordable option. The YSI meter measures a combination of water temperature, conductivity, pH, ORP, ammonium, nitrate and chloride. Sensors plug into a 4-port bulkhead with an included temperature/conductivity probe. Dissolved oxygen sensors, pH...

  • Posted December 30, 2024
Environmental scientist, Katelyn Kubasky, holding the SonTek CastAway in front of the Fondriest Center for Environmental Studies field station pond

Technology

SonTek CastAway-CTD Meter Review

Lightweight and easy to use, the SonTek CastAway offers a convenient 3-in-1 solution for measuring conductivity, temperature, and depth profiles. At a 5 Hz sampling rate, the CastAway is designed for up to 1 m/s free-fall through the water column. With fast response and accurate conductivity, temperature, and depth...

  • Posted December 2, 2024
great lakes buoys nexsens

Monitoring Technology

Technology Update: Wave Monitoring

Using NOAA’s National Data Buoy Center’s guidelines for wave measurements, NexSens Non-Directional Wave Systems provide consistent, accurate wave data with real-time access via web browser or Smart phone. The system consists of an absolute pressure sensor, data logger with wireless telemetry, software for data acquisition and wave calculations, and...

  • Posted January 27, 2012

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