Cumming, GA — October 17, 2012 … AutomationDirect has added the Flowline® EchoPod® and EchoSonic® II lines of ultrasonic liquid level sensors and transmitters to their product offerings. Constructed with PVDF transducers and NEMA Type-6P polycarbonate enclosures, these innovative ultrasonic liquid level sensors replace float, conductance and pressure sensors that fail due to contact with dirty, sticky…