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Houston Digital Instruments, Inc. (HDI) is the industry leader in the manufacturing of battery powered,
intrinsically safe instrumentation. Founded in 1990 by WilliamCondon, Richard McLatchy, and
Harold Fenn. With their combined experience of over sixty years in instrument design solutions, they
had a vision of a compelling need by the industry for accurate, reliable and environmentally safe
instrumentation. The collaboration of these men resulted in a pressure sensing and display systemthat
makes obsolete all previous instrumentation. The patented, internationally certified, innovative system
lead to the design and development ofa wide rangeofinstrumentation possibilities. Backed by a team
of engineering and service professionals, HDI has becomeknown as a leader in the supply of
electronic oilfield instrumentation.

Click here to view or download HDI Catalogue

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