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Products // Vortex Flowmeter  
AVF7000 Series

The AVF7000 Series is a Vortex Flowmeter based on Von Karman theory of vortices generated by a bluff body in the pipe. The number
of vortices are linearly proportional to the volumetric flow in the pipe.
The AVF7000 is versatile flowmeter widely used for Gases, Steam & Liquid applications. There are no moving parts and comes with either flange or wafer connection. Standard configuration has local indication for flowrate and total flow as well as 4-20 mA with HART signal and pulse output functions. The microprocessor design can filter out erroneous signals as well as interfence caused by pipe vibration.

 Simplified setup and self-diagnostic functions
 Auto. Temperature & Pressure compensation
 4-20mA with HART signal and pulse outputs, user selectable
 A very wide selection of sizes
 Wide temperature range up to 420 oC
 Non-volatile memory for setup and calibration


Size: Local Display:
15, 20, 25, 32, 40, 50, 65, 80, 100, 125, 150 2 or 3 lines LCD
200, 250, 300, 350, 400, 450, 500 mm 6 Digit flowrate
Measuring Range: 8 Digit Totalizer
Steam -1.6~540,000 kg/hr Current Output:
Gas -3~46,000 m3/hr  4-20 mA (2 wire) with HART signal
Liquid -0.3~4950 m3/hr Load
Material: Rohm= (VDC-12) * 50
Stainless Steel 301 / 304 / 316 Pulse Output:
Accuracy Liquid: Scale Pulse 
+/-0.7% value of reading Load
Gas & Steam 1000-5000  
+/-1.0% value of reading Communication:
Unit: HART (Compatible)
Nm3/hr, Nm3/min, Nm3/s, m3/hr, m3/min, m3/s or RS485 (MODBUS Protocol)
L/hr, L/min, L/s, t/d, t/hr, t/min, kg/hr, kg/m Data Storage:
kg/s, USgal/min, UKgal/min, ft3/hr, Ib/hr,bbl/d Operation parameter and totalizer
Repeatability: figures are stored by EEPROM for more
+/-0.2% value of reading than 10 years
Process Connection: Housing Material:
Flange / Wafer Aluminum Alloy
Flange Type Cable Entry:
JIS 10K / JIS 20K / JIS 40K Standard: M20 * 1.5  Option: 1/2"NPTF
ANSI 150# / ANSI 300# / ANSI 600# Power Supply:
DIN PN10 / PN16 / PN25 / PN40 12-32 VDC
Wafer Type Ni-MH Battery (3 years working hours)
DN40-DN250 without Temp. / Pressure Sensor KeyPad:
Temperature: 3 Internal keys for programming
-40~280 oC (Standard) and display control
-40~420 oC (Optional) Option:
Ambient Temperature: Pressure Sensor
-20~60 oC Pressure compensation
Pressure: Signal Output
78 kgf/cm2 (Max.) 0-30 m VDC (20 uA Power Supply)
Protection Class: Temperature Sensor
IP65 Temperature compensation
Intrinsically Safe, Eex (ia) IIC T4 Signal Output
Explosion Proof, Ex d IIC T6 PT1000 (2 wires)

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