... emitter(transmitter), receiver, controller, connection cables and mounting fittings. 2. SNC series's specification * Fast response time <20ms.* LED ... indicator.Receiver:Output indicator.Type Z controller:Relay 1,2 indicator,passing light indicator,intercepting light indicator, power ... :10-55Hz frequency range,1octave/min.sweep rate,0.35mm±0.05 amplitude,20sweeps per axis,for 3 axesSealingEmitter: ...