DH Instruments, Inc. is a leading manufacturer of high performance pressure and gas flow standards including calibration process software. We offer a2La accredited pressure and gas flow calibration services, as well as metrology training courses.

For 25 years, DHI has specialized in pressure and flow calibration standards . These include PG7000 automated pressure balances, FPG very low pressure standard, a full range of digital pressure controllers and pressure monitors, and molbloc/molbox gas flow calibration systems.

We have complete calibration services for all types of pressure and flow measuring and controlling instruments. Our calibration laboratory has capabilities accredited to ISO 17025 and ANSI/NCSL Z540 by the American Association for Laboratory Accreditation (A2LA).

CUSTOM PRESSURE SYSTEMS
DHI can produce the complete pressure system that you need...from mobile calibration carts to turn-key automated calibration systems.