The HYDROLAB HL4 is perfectly suited for spot monitoring
or continuous deployments in a wide range of freshwater
applications. Lightweight, portable and flexible, this multiparameter sonde helps you quickly monitor watershed conditions.

The field proven sensor options coupled with the robust
construction and easy calibration delivers high quality reliable data. The HL4 sonde has a temperature sensor, four sensor ports and an optional internal depth sensor. The software allows for easy data retrieval and setup of logging files.

Data Sheet