Intrinsically Safe, Relay Output
Warrick 47 Liquid Level Controller
Gems® type 47 offers complete alarm panel control in a single package. Powered output contacts allow quick connection of lights and audible alarms. Test and silence functions are built in. Unit also carries one SPDT master alarm contact for remote alarm activation. It is approved for Class I, II, III, Division I, Groups C, D, E, F, G hazardous atmospheres, and supplies four channels which can be used with conductivity liquid level sensors or dry contact sensors. The device functions as an alarm or single point control. Field adjustable for direct or inverse operation, it can operate separate visual alarms with a common audible alarm channel. Silence and test terminals are standard.