Karman flow meter
Vortex flow meter is mainly used for measuring flow of industrial pipeline fluid,
such as gas, liquid and steam, etc. It has little pressure loss, broad span range and high accuracy. It is not under influence of density, pressure, temperature andviscosity when measuring volumetric
flow. It has no movable mechanical parts with high reliability and little maintenance.
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Size:
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Local Display:
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15,20,25,32,40,50,65,80,100,125,150
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4 lines LCD
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200,250,300,350,400,450,500mm
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8 digit flowrate
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Measuring Range:
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8 digit Totalizer
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Steam - 1.6 to 540,000 Kg/Hr
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Current Output:
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Gas - 3 to 46,000 M3/Hr
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4-20 mA (2 wire)
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Liquid - 0.3 to 4950 M3/Hr
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Load
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Material:
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600 
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Stainless Steel 301 / 304 / 316
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Pulse Output:
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Accuracy Liquid:
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Scale Pulse (3 wire)
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+/-0.7% value of reading
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Rating
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Gas & Steam
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3 to 30VDC, 20mA Max.
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+/-1.0% value of reading
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Communication:
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Unit:
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RS485(MODBUS Protocol)
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m3/h,km3/h,l/min,kg/h,t/h
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Data Storage:
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Repeatability:
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Operation parameter and totalizer
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+/-0.2% value of reading
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figures are stored by EEPROM for more
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Process Connection:
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than 10 years
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Flange / Wafer
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Housing Material:
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Flange type
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Aluminum Alloy
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JIS 10K / JIS 20K / JIS 40K
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Cable Entry:
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ANSI 150# / ANSI 300# / ANSI 600#
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Standard :M20 Option:1/2"NPTF
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DIN PN 10 / PN 16 / PN25 / PN 40
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Power supply:
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Wafer type
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12-36 VDC
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DN40~DN250
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Ni-MH Battery (3 years working Hours)
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without Temperature / Pressure Sensor
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KeyPad:
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Temperature:
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4 internal keys for programming
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and display control
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Option:
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Ambient Temperature:
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Pressure Sensor
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Pressure compensation
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Pressure:
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Signal output
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78 Kg/cm2 (Max.)
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0-30 mV DC (20 uA Power supply)
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Protection Class:
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Temperature Sensor
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IP 65
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Temperature compensation
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Explosion Proof, Exd IIC T6
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Signal Output
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Intrinsically Safe, Eex ia IIC T4
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PT100  (3 wires)
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Table 1 Flow scope(Liquid)
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Caliber
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Flow scope(m3/h)
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25
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1.6~13
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40
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3~30
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50
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5~40
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80
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13~130
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100
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20~200
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150
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45~450
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200
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80~800
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250
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125~1200
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300
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180~1800
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The maximum flow speed of liquid should be lower than 7m/s, the standard liquid means the liquid at the temperature of t=20°C.P-0.1013MPa;ρ=998kg/m3.
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Table 2 Flow scope(Gas)
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Caliber
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Flow scope(m3/h)
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25
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9~60
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40
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20~160
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50
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45~300
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80
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80~600
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100
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120~1000
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150
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200~2000
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200
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400~4000
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250
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750~8000
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300
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1000~10000
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The means the air under normal temperature and pressure, t=20°C.P-0.1013MPa;ρ=1.205kg/m3.
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Production line
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Flow Meter
(142)
+86-571-88964377
+86-571-85152810
dudu@darhor.com
andy-meter
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