Vortex Flowmeter for liquid, gas & steam

We are offering vortex flowmeter.
standard q/320831ahh003-2004 jb/t6807-93
medium gas, liquid, steam
diameter flange holding (clamp-on) type 25, 32, 50, 80, 100, 150, 200, 250, 300
flange connection type 100, 150, 200, 250, 300
measuring range normal range of flow speed reynold number 1.5 * 104 ~ 4 * 106; gas 5~50m/s;
liquid 0.5~7m/s
normal range of flow rate liquid, gas flow range-sheet2;
steam flow range-sheet 3
accuracy class 1.5
temperature normal temperature -25℃~100℃
high temperature -25℃~150℃ -25℃~250℃
output signal pulse voltage output signal square wave pulse
current remote signal 4 ~ 20 ma, transmission distance 100m
environmental conditions temperature: -25℃~+55℃ humidity: 5~90%
material ss, aluminum alloy
power 24 v dc or lithium battery 3.6v
ex exd ii bt4
protection class ip65
requirements to front & back straight tube section see diagram 14