Who We Are
Established in 1985, DGH is an industry-leading manufacturer of data acquisition hardware for use in the process monitoring and control marketplace. DGH products have been used worldwide in such industries as water & wastewater management, pharmaceutical, scientific laboratories, military, automotive, transportation, energy management, and power utilities.
Our data acquisition products communicate via serial, USB and Ethernet connections. Supported protocols include DGH ASCII serial protocol, Modbus RTU serial protocol, and Modbus TCP ethernet protocol.
Great Support
Technical support for all DGH data acquisition products is available Monday-Thursday from 8 am to 5 pm EST, and Friday from 8 am to 12 pm EST. Call us directly at (603) 622-0452. Your technical questions may also be submitted via the form on the support page. Click the button below to get started!
Looking for a Manual or Data Sheet?
Look no further! DGH provides all of the documentation, manuals, and downloads you need to complete your task.



