vortex flowmeter with temperature compensation

Parameter of vortex flow meter

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.

Measure range of vortex flow meter

Diameter (mm)

Water

Gases in the Normal Temperature and Pressure

Range of Standard Measurement (m3/h)

Range of Standard Measurement (m3/h)

  25

  2 ~ 16

  8~60

  32

  1.5~15

  14~100

  40

  3~30

  18~180

  50

  4~40

  30~300

  65

  6~60

  50~500

  80

  13~130

  70~700

  100

  20~200

  100~1000

  125

  36~360

  150~1500

  150

  50~500

  200~2000

  200

  100~1000

  400~4000

  250

  150~1500

  600~6000

  300

  200~2000

  1000~10000