Liquid Meter Proving

Watco-owned Main Line Measurement offers on-site tank and pipeline meter proving for all types of volumetric and mass flowmeters, including coriolis, positive displacement, turbine, and ultrasonic. Measurement technicians are equipped with state-of-the-art provers and other associated testing equipment that is fully portable to ensure timely service and accurate measurement.

We offer small volume, pipe, and tank provers, operating at rates from 5 Bbl/hr to 13,000 Bbl/hr.