

YSI instruments have a worldwide reputation for rugged reliability as well as innovative sensor technology. YSI offers a large range of water quality monitoring and SonTek velocity and flow instruments that are sure to suit your laboratory, hydrology and field water testing requirements.


6-Series Multiparameter Sondes
System 5000 Modular Data Acquisition System with Touch Screen
H-3611/H-3612/H-3613 SDI-12 Radar Water Level Sensors
H-522+ Datalogger with integrated meteosat transmitter
H-3121/H-3122 Submersible Pressure/Temperature Sensor
Level Scout® Level & Temperature
RQ-30 latest generation RADAR for non-contact discharge measurement
USH-8 ultrasonic snow depth sensor
PISCES High Speed Monitoring Platform