An instrument designed to measure the rate of flow of a fluid through a pipeline, based on the exact relation which differential pressure bears to fluid velocity, and this measurement indicated on a graduated scale by a pointer directly connected to a mercury or oil sealed bell or a bellows. It may or may not have a totalizing integrator register built in. Excludes: meter, flow rate indicating; meter, fluid flow indicating, electromagnetic; and meter, fluid flow indicating, ultrasonic.
NSN 4140-01-171-0785
NSN 5925-01-391-1014
NSN 5999-01-509-0219
NSN 6135-01-486-1443
NSN 6105-00-938-2946
NSN 6130-01-189-2982
NSN 5925-01-026-9649
NSN 7035-00-991-6877
NSN 4140-01-357-7867
NSN 5985-01-501-6184
NSN 5950-01-469-8054
NSN 5998-01-324-8060