Calibron Prover

The Calibron® Prover meets the most stringent requirements for meter proving. The prime features are its precision, smooth bore cylinder, measurement piston & high accuracy optical switches. The Calibron Prover meets the most stringent accuracy requirements of custody transfer meter proving and because of its small size and turndown flow range ratio of 1200:1, it is ideal for portable, offshore or stationary applications. The Calibron Prover has a constant displaced volume regardless of meter location with a repeatability equal to or exceeding 0.02%. The Calibron Prover is the pre-eminent choice for all types of flow meters including turbine, coriolis, ultrasonic & PD. View Frequently Asked Questions about Calibron.