instrument shunt

instrument shunt

[′in·strə·mənt ‚shənt]
(electricity)
A resistor designed to be connected in parallel with an ammeter to extend its current range.
References in periodicals archive ?
A suitable construction is required to aid heat dissipation (by conduction and convection) and, for continuous operation current, the device may require derating to comply with IEEE standards for DC instrument shunts.