Vortex Flow Meter Features: -Medium: Superheated Steam, Saturated Steam, Compressed Air, water, other gases and liquids. -Accuracy: +/-1.0% (liquid), +/-1.5% (gas) -Rated Pressure (optional): 1.6MPa, 2.5MPa, 4.0MPa -Temperature of Medium: -40degree~+350degree -Operated Power: 24V DC, Built in battery (can work for 2 years) -Output Signal (optional): 4-20mA, RS-485, HART -Protection Grade: IP65 - ...