Tachometer Relay Series 2 Monitors the speed of rotating machinery using any 3-wire NPN sensor or other volt-free contact and will switch the output at the pre-selected speed
Response time of <0.4 seconds at 150rpm to match Series 2 temperature controllers and timers
On-board 15Vdc supply to drive a proximity sensor
1mA FSD moving coil meter output
LED indication of output status
45mm x 45mm panel cut-out
SPCO output