Special Features:

Designed to accept magnetzc pickup or ttl compatible signals and to perform an alarm switching or equipment shutdown as the speed of a rotating shaft or some other mechanical motion approaches zero, ac input sensitivi type 20mrms, input impedance is 1200 ohms, relay output spdt contact, plastic enclosure 3 amps @ 120v AC , power supply 120v AC plus or minus 10%, 50-400hz, temp range minus 30 degrees c to plus 65 degrees c operating, fully enclosed, gray steel, nine contacts, airpax series 140

Properties:

An electronic device which provides for the transfer of the electrical signal input from one component to another, or between two or more components. It may also provide a continuous sequency of switching or sampling of a number of circuits. See also gate, electronic.