The provided software is a PC-based application for connecting the Hydrolab DS4 sonde to your computer. It allows users to collect water quality data, calibrate sensors, and adjust settings. It is not required to perform these functions but instead makes it possible to communicate with the Hydrolab using your computer, if preferred. 

Hydrolab software

Each kit contains a CD with the Hydrolab software. You may also download the software from the Hach-Hydrolab website. Search for “Hydras 3LT Software,” shown below. You will need to sign up and log in to access the software.

Driver software

Each kit also contains driver software for the USB-serial port (9-pin) adapter. The adapter is needed to connect the Hydrolab cable to most laptops, which no longer contain serial ports. Please contact us ahead of time if you will need the driver software.