Suitable for measurement of all types of liquid;Adopts TDR (Time Domain Reflectometry) technology;HART protocol supported. Features:1,Thread Connection: G3/4''.2,Length of probe: standard 1000mm (length per request).3,Accuracy: ±3mm.4,Signal output: 4~20mA/HART; DC PNP NO/NC (short-circuit protection).5,Supply voltage: 12~30 VDC.6,Medium temperature: -40~+150°C.7,Ambient temperature:-40~+80°C.8, ...