... medium application, able to measure liquid,gas and steam.No moving parts,no abrasion,SS shell 1. Introduction Digital / intelligent vortex ... liquid.2. Features:a) Simple structure, no moving parts;b) High accuracy , high reliability, no need of field debugging;c) Capable of ... :-40~+350Power Supply:12~24V DC, 3.6V Lithium batterySignal Output:Standard current, 4~20mA;Voltage pulse, low level1V, high ...