horizontal field balance

horizontal field balance

[‚här·ə′zänt·əl ′fēld ‚bal·əns]
(engineering)
An instrument that measures the horizontal component of the magnetic field by means of the torque that the field component exerts on a vertical permanent magnet.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.