The Definer 1020 is a dry high-precision primary standard piston prover.  This calibrator covers a range of 5 - 500 slpm, with accuracy of +/- 0.25% of reading standardized.  The Definer 1020 is also easy to transport and can be moved from one lab to another.

The Bios gas flow calibration solution provides you with everything required to perform manual or automated calibrations, including generating calibration reports.