Operating in 2 modes, SpeedMaster™ tests calibration of 4B speed switches and their alarm and shutdown underspeed relays. Input mode provides user with machine's actual running speed, and output mode lets user test speed switch at set underspeed trip points for real-time verification of monitoring systems alarm and shutdown functions. This maintenance tool does not require removal of sensor from machine shaft or changing of system connections.
This story is related to the following:Switch Testers