1、media：gas, vapor and liquid。
2、two line of LED display accumulative flow and instantaneous flow.
3、Internal lithium battery supply and no other external power supply;
4、low power consumption.
5、the sensor does not contact with media. It is high reliability.
6、there is no movable part and the structure is simple. It is low pressure loss and long-term life.
7、wide range ratio: 10：1~15：1。
8、explosion-proof: iaIIcT4
9、accuracy grade：liquid，±1.0% of indicating；gas，±1.0% of indicating；vapor，±1.5% of indicating。
10、output signal：a. OC pulse output; B. current 4-20mA (two-wire/three-wire)。
11、power voltage：+24VDC
12、media temperature： Ordinary type a.-40℃～+130℃；b.-10℃～+250℃;
13、working pressure：0-2.5Mpa
14、pressure loss：ΔPΔP=1.079*10-6*ρ*v2
15、enclosure material：carbon steel；stainless steel（1Cr18Ni9Ti）。
16、specification（tube diameter）20、25、32、40、50、65、80、125、150、200、250、300
17、ambient temperature -25℃～+55℃；RH ≤85%RH。
