propeller meter

propeller meter

[prə′pel·ər ¦mēd·ər]
(engineering)
A quantity meter in which the flowing stream rotates a propellerlike device and revolutions are counted.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.
References in periodicals archive ?
The Walton County Water Authority, Loganville, Georgia, has installed the Water Specialties propeller meter at several new pumping stations and converted several existing mechanical-driven meters to electronic within existing stations to provide a more accessible meter reading operation while integrating digital technology.
However, the industry standard propeller meter has also experienced a technological transformation to meet users' needs.
In the past, the propeller meter was an electromechanical device characterized by gears and steel ball bearings that often required maintenance.
Unlike traditional propeller meters, it features a flexible drive-train and sealed ball bearings, making it easier to service in the field and lowering maintenance costs.
All five major transmission lines are monitored with propeller flow meters, but until recently, Grand Strand was operating with mechanical propeller meters that were constantly breaking down due to their inability to deal with the high gallons-per-minute (gpm) flows.
Many current propeller meters still rely on complicated mechanical drives characterized by gears and steel ball bearings that often require maintenance and repairs.
Propeller meters are used where generally flow rate variation is not nearly as great and thus are most advantageously used for narrow flow rate ranges predominantly at the mid-range operating flows.
Propeller meters are made by Badger Meter, Inc., Utility Div.; McCrometer Div./Ketema; Sensus Technologies Inc.; Sparling Instruments Co.; Water Specialties Corp.
offers propeller meters in tube sections with flanged, threaded, or plain ends; saddle meters for installing on pipe or manhole openings; vertical flow models; and master flumes for mounting in wall brackets.
Among them are propeller meters in which a propeller or turbine is turned by the flow in the line.
Badger Meter, Inc., Utility Div.; Filtronics, Inc.; Tokheim Automation Corp./EFM Meter Group offer propeller meters in tube sections with flanged, threaded, or plain ends; saddle meters for installing on pipe or manhole openings; vertical flow models; and master flumes for mounting in wall brackets.