dn50 flange flow water meter industrial high accuracy digital flow meter water
The vortex flow meter produces a velocity flow meter based on the Karman vortex principle for measurement and metering of conventional gases, vapors and liquids. The vortex flow sensor has high precision and a wide range ratio. It has no moving parts in use, which can improve mechanical stability and reduce maintenance. Vortex is almost unaffected by the temperature, pressure and composition of the medium when measuring the working volume, so it is convenient for the calibration production of the instrument. Therefore, the vortex flow sensor is widely used in production and life.
Technical Parameters
Main technical parameter list
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Technical Parameters
Main technical parameter list
| Nominal diameter(mm) | 15,20,25,40,50,65,80,100,125,150,200,250,300,(300~1000 Plug-in) |
| Nominal pressure(MPa) | DN15-DN200 4.0(>4.0 Agreement supply),DN250-DN300 1.6(>1.6 Agreement supply) |
| Medium temperature(ºC) | Piezoelectric:-40~100,-40~250,-40~330;Capacitive: -40~400,-40~500(Agreement supply) |
| Body material | 1Cr18Ni9Ti,(available under other materials agreement) |
| Allowable vibration acceleration | Piezoelectric:0.2g Capacitive:1.0~2.0g |
| Accuracy | ±1%R,±1.5%R; Plug-in:±2.5%R, |
| Range | 1:6~1:25 |
| Supply voltage | sensor:DC 24V(DC); Battery powered:3.6V battery |
| output signal | Square wave pulse (excluding battery-powered type): high level ≥ supply voltage minus 1V, low level ≤ 1V; current: 4 ~ 20mA |
| Pressure loss coefficient | Meet the JB/T9249 standard Cd ≤ 2.4 |
| Explosion-proof mark | EXiaIICT4 Ga |
| Intrinsic safety parameters | Ui= 28VDC, Ii=100mA, Pi=0.657W, Ci=0.μF, Li=0mH |
| Protection level | Ordinary IP65 diving type IP68 |
| Environmental conditions | Temperature -20 ° C ~ 55 ° C, relative humidity 5% ~ 90%, atmospheric pressure 86 ~ 106kPa |
| Applicable medium | Gas, liquid, steam |
| Transmission distance | Three-wire pulse output type: ≤300m, two-wire standard current output type (4~20mA) ≤1500m; load resistance ≤500Ω; RS485≤1200m. |
| Instrument caliber(mm) | Liquids | Gas | ||
| Measuring range(m3/hr) | Output frequency range(Hz) | Measuring range(m3/hr) | Output frequency range (Hz) | |
| 15 | 0.3-5 | 24-400 | 4-20 | 352-1761 |
| 20 | 0.6-10 | 23-832 | 6-30 | 254-1273 |
| 25 | 1.2-16 | 21-320 | 8-55 | 161-1112 |
| 32 | 1.8-20 | 18-200 | 10-120 | 97-1172 |
| 40 | 2-40 | 10-190 | 27-205 | 134-1018 |
| 50 | 3-60 | 8-150 | 35-380 | 87-952 |
| 65 | 4-85 | 6-120 | 60-640 | 71-764 |
| 80 | 6.5-130 | 4.1-82 | 86-1100 | 54-696 |
| 100 | 15-220 | 4.7-69 | 133-1700 | 42-548 |
| 150 | 30-450 | 2.8-43 | 347-4000 | 34-392 |
| 200 | 45-800 | 2-31 | 560-8000 | 23-326 |
| 300 | 95-200 | 1.2-24 | 1360-18000 | 16-216 |
| ... | ... | ... | ... | ... |
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