variation monitor

variation monitor: In ac power distribution, a device for sensing deviations of any measured variable, such as voltage, current, or frequency, and capable of initiating a programmed action, such as transfer to other power sources, when programmed limits of voltage, current, frequency, or time are exceeded, or providing an alarm, or both. (188)

This HTML version of FS-1037C was last generated on Fri Aug 23 00:22:38 MDT 1996