Parameter of vortex flow meter |
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Measured Mediums | liquids, gases and steams (NOTE: the mediums should be unidirectional or can be seen as unidirectional.) |
When the dryness of saturated steams ≥85%, they can be seen as unidirectional. |
Temperature of Mediums | - 40°C ~ + 350°C |
Pressure of Mediums | 1.6MPa, 2.5MPa, 4.0 MPa |
For over 4.0 MPa, please contact us freely, for it needs special customization. |
Accuracy | 1.0; 1.5 |
Span Rate | 1:8 ~ 1:30(compared with the standard atmospheric pressure) |
1:8 ~ 1:40 ( compared with the nominal temperature water) |
Flow Range | Liquids: 0.4 ~ 7.0 m/s |
Gases: 4.0 ~ 60.0 m/s |
Steams: 5.0 ~ 70.0 m/s |
Nominal Diameter | DN 25, 40, 50, 65, 80, 100, 125, 150, 200, 250,300 mm |
Materials | 1Cr18Ni9Ti |
Reynolds No. | Normally, 2*104 ~ 7*106 |
Resistance Coefficient | Cd ≤ 2.6 |
Licensed Vibration Acceleration | LUGB type ≤ 0.2g |
Class of Protection | IP65 |
Class of Explosion-Proof | Intrinsically Safe Explosion-Proof: Exia II CT2 ~ CT6 |
Explosion Suppression: Exid II CT4 |
Conditions of Surroundings | Temperature of Surroundings: | Non-Explosion Proof Surroundings: -40°C~ +55°C |
Explosion-Proof Surroundings: -20°C~ +55°C |
Relative Humidity: | ≤ 85% |
Atmospheric Pressure: | 86 ~ 106 kPa |
Power Supply | Non-Explosion Proof Type | Pulse type: | +12 VDC ( the output current is 4 ~ 20mA) |
Current type: | +24 VDC ( the output current is 4~ 20mA) |
Explosion-Proof Type | Current type: | +24 VDC ( the output current is 4~20mA) |
Output Signal | Frequency pulse signal 2~3000Hz, low level voltage ≤1V, high level voltage ≥ 6V |
Two-wire system 4 ~ 20mA signal (isolation output), load ≤ 500Ω. |