New Name, Same Company.

Hach Hydromet is now OTT Hydromet, and we're better than ever.

Learn more here

New Website!

We've worked hard to improve the OTT Hydromet online experience

Check out new features

Hydrolab HL4

Next generation multiparameter sonde

Learn more

OTT ecoLog Series

In-well groundwater monitoring solutions with remote data transmission

Learn more about the OTT ecoLog 500/800

OTT MF pro

Electromagnetic current meter with color handheld display

Learn about the OTT MF pro

New myOTT Portal!

We've completely redesigned the myOTT customer portal to improve your experience with our instruments. Receive automatic product updates, request detailed quotes, and more.

Visit the new myOTT Portal

OTT Hydromet 140-Year Anniversary

OTT Hydromet recently celebrated its 140-year anniversary of producing high quality water measurement instruments.
Learn more about our proud history