Turck FCS-N1/2A4P-ARX-B1151/L160/115VAC Flow Sensor – Immersion Sensor with Integrated Processor, Sensor for liquid media, Calorimetric principle, Adjustment via potentiometer, Status indicated via LED chain, AC 5-wire, 98…132 VAC, NO contact, relay output, Plug-in device, 7/8-16UN, ”