Vortex flow meter

Vortex flowmeter Technical parameters Nominal aperture: DN15, DN20, DN25, DN32, DN40, DN50, DN65, DN80, DN100, DN125, DN150, DN200, DN250, DN300, DN350, DN400, DN450, DN500; Applicability: gas (air, oxygen, nitrogen, coal gas, natural gas, chemical gas and so on), liquid (water, high temperature water, oil, food liquid, chemical liquid and so on), steam (saturated steam, overheated steam); Measurable medium temperature: -40°C 280°C, -40°C 350°C; Nominal pressure: ≤1.6MPa ≤2.5MPa ≤4Mpa; Accuracy grade: liquid 0.5 grade, gas, steam 1.0 grade; Range of flow rate: liquid: 0.6-6 m/s, gas: 5-60m/s, Steam: 5-70m/s; Measuring range: see table 1, table 2; Output signal: Voltage impulse: lower electrical level≤1V, higher electrical level ≥6V, width of impulse 0.4ms, load resistance>150Ω; Standard current: 4-20mA, conversion accuracy ±0.5% full-scale value, load resistance 24V-500Ω, field LCD display: instantaneous delivery 5 bit display (m3/h, kg/h, t/h), conversion accuracy ±0.1%; integrated flux 9 bit display (m3, kg, t), conversion accuracy ±0.1%; Power supply: When voltage impulse output: +12VDC; when 4-20mA output: +24VDC; Field LCD display: 3.6V No.1 1 lithium cell power supply, working life more than 2 years; Ambient temperature: When voltage impulse output: -30°C—+65°C; when 4-20mA output: -10°C—+55°C; Field LCD display: -25°C—+55°C; Material of meter body: 1Cr18Ni9Ti (other materials supplied by agreement).