Gas & Air Flow Measurement

Proven Precision Gas Flow Measuring Tools And Technology

Measuring gas flow can be complicated. DryCal gas flow calibration equipment directly measures volumetric flow – regardless of gas species. Accredited by ISO 17025 and NVLAP of NIST, our equipment and software lead the industry for accuracy, reliability, and ease of use.

“NVLAP Lab Code 200661-0”

Proven Calibration Trusted Worldwide

Superior standards, full accreditation, and ease of use make DryCal products and technology the leading choice of flow professionals around the world.


DryCal technology measures volumetric gas flow, as well as temperature and pressure, giving you the most accurate results under standardized conditions. 


Our DryCal system is field-tested and proven reliable in the most demanding environments. Built to laboratory standards, DryCal products deliver portable durability.


An annual NIST-traceable calibration by our ISO-accredited facility provides a defensible audit trail and keeps you in compliance with all applicable standards.

Solution Portfolio

DryCal calibrators, software, auditing, and support deliver precision gas flow measurement that fits your application, facility, and requirements.

Stay Operational And Compliant

Annual calibration and repair ensure optimal functioning and aids your auditing process. Our ISO-certified facility offers advanced service and accessory options to give you the customized performance and compliance your application demands.