insulation testing set

insulation testing set

[‚in·sə′lā·shən ′test·iŋ ‚set]
(engineering)
An instrument for measuring insulation resistance, consisting of a high-range ohmmeter having a hand-driven direct-current generator as its voltage source.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.