|
Parameter of vortex flow meter
|
|
Measured
Mediums
|
liquids, gases and steams
(NOTE: the mediums should be unidirectional
or can e 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
|
|
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.
|
In trang