DH Instruments

DH Instruments, Inc. (DHI) was founded in 1980 with one objective, to provide superior calibration solutions through innovative technology, first rate service and uncompromising metrological integrity. For most of the 1980s, this objective was pursued through the full service distribution of an outstanding line of pressure calibration products manufactured by Desgranges et Huot, Paris, France. In the late 1980s, building on the resources of a full service distributor and drawing on more than 50 years of broad based management experience in high end pressure metrology, DHI began the in-house development and production of its own unique pressure products. In 1992, the company diversified into flow metrology introducing a revolutionary low gas flow calibration system.

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