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 4140-01-425-1725
NSN 6610-01-010-3159
NSN 6320-00-405-2348
NSN 5935-01-025-6187
NSN 5950-01-370-0313
NSN 5985-01-250-6820
NSN 5910-01-515-7875
NSN 6130-00-072-9854
NSN 6150-00-074-6031
NSN 6645-00-143-1567
NSN 5895-00-493-3114
NSN 5925-01-514-8777