Multi-Parameter Sondes

Designed for in-situ monitoring and profiling, the YSI 6600 V2 is ideal for long-term deployments requiring the most complete data record.

The 6920 V2 sonde is an economical logging system, ideal for long-term in-situ monitoring and profiling.

The 6820 V2 sondes are cost-effective systems for profiling and spot-checking in rivers, lakes, wetlands, wells, estuaries, and coastal waters.

The YSI 600XLM features an internal battery pack with memory for unattended logging in surface water and groundwater applications.

The YSI 600XL is an economical sampling sonde in a small package for surface water and groundwater applications.

The 600OMS V2 fills your need for a low-cost, single-parameter optical monitoring system, such as optical dissolved oxygen, chlorophyll, turbidity, rhodamine, and blue-green algae.

The YSI 600R provides water quality sampling in a small package for surface water and groundwater applications.

Combined for convenience, the YSI 650 MDS display-datalogger and the YSI 600QS sonde allow you to collect 11 parameters simultaneously in real time.

The 600LS provides precision shallow vented level measurement, in addition to temperature and optional conductivity.

YSI manufactures highly accurate sensors designed for the toughest fouling environments. These sensors are designed for use on any YSI 6-Series V2 or 600 Sonde to provide continuous data.

The 650 MDS is a rugged, versatile handheld field display that enables easy and convenient communication and data logging for all YSI 6-Series sondes.

YSI field cables are used to connect the 6-Series Sondes to the 650 Display Units. Flow Cells are also available for groundwater sampling.