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 6240-01-576-0884
NSN 6110-01-360-1566
NSN 2925-00-816-8765
NSN 2925-01-335-4549
NSN 5990-01-462-1617
NSN 5895-01-023-3227
NSN 4140-01-438-7053
NSN 5975-00-594-8857
NSN 6620-00-229-2728
NSN 7035-00-529-3128
NSN 6150-01-386-3071
NSN 6110-01-600-1819