Suitable for measurement of all types of liquid;Adopts TDR (Time Domain Reflectometry) technology;HART protocol supported. Features:1,Thread ... ; DC PNP NO/NC (short-circuit protection).5,Supply voltage: 12~30 VDC.6,Medium temperature: -40~+150°C.7,Ambient ... .11,Probe material: stainless steel S304 EMA Guided Radar Sensor TDR Sensor