Houston Digital Instruments (HDI)

Houston Digital Instruments (HDI) designs and manufactures electronic pressure gauges, sensors, and monitoring equipment for demanding oil and gas applications. With more than 30 years of experience, the company produces solid-state pressure gauge systems, pressure transmitters, pump stroke counters, choke and valve position indicators, choke console systems, and data acquisition and monitoring systems. Its gauges cover ranges up to 20,000 psi as standard and higher through custom designs, and are used in choke console, standpipe, pumping, and cementing applications. HDI also builds custom remote monitoring and automation solutions and provides recalibration, field service, and repair. Products carry ATEX, CSA, and IECEx certifications, and the company is ISO 9001 registered.