AVF7000 Series
The AVF7000 Series is a Vortex Flowmeter based on Von Karman’s theory of vortices generated by a bluff body in the pipe. The number of vortices is linearly proportional to the volumetric flow in the pipe. The AVF7000 is a 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 interference caused by pipe vibration.
Features
- Simplified setup and self-diagnostic functions
- Auto. Temperature & Pressure compensation
- 4-20 mA with HART signal and pulse outputs, user selectable
- A very wide selection of sizes
- Wide temperature range up to 420 °C
- Non-volatile memory for setup and calibration
Specification
| Size | : | 15, 20, 25, 32, 40, 50, 65, 80, 100, |
| 125, 150, 200, 250, 300, 350, 400, 450, 500 mm | ||
| Measuring Range | : | Steam_1.6~540,000 kg/hr |
| : | Gas_3~46,000 m3/hr | |
| : | Liquid_0.3~4950 m3/hr | |
| Material | : | Stainless Steel 301 / 304 / 316 |
| Accuracy Liquid | : | +/-0.7% value of reading |
| Gas & Steam | : | +/-1.0% value of reading |
| Unit | : | Nm3/hr, Nm3/min, m3/hr, m3/min, |
| L/hr, L/min, L/s, t/d, t/hr, t/min, kg/hr, kg/m, kg/s, USgal/min, | ||
| UKgal/min, Scf/hr, cf/hr, Ib/hr, bbl/d… | ||
| Repeatability | : | +/-0.2% value of reading |
| Process Connection | : | Flange / Wafer |
| Flange Type | : | JIS 10K / JIS 20K / JIS 40K |
| ANSI 150# /ANSI 300# /ANSI 600# | ||
| DIN PN10 / PN16 / PN25 / PN40 | ||
| Temperature | : | -40~280 °C (Standard) |
| : | -40~420 °C (Option) | |
| Ambient Temperature | : | -20~60 °C |
| Pressure | : | 78 kgf/cm2 (Max.) |
| Protection Class | : | IP67 |
| : | Intrinsically Safe, Eex ia IIC T4 | |
| : | Explosion Proof, Ex d IIC T6 |
| Local Display | : | 2 or 3 lines LCD |
| : | 6 Digit flowrate | |
| : | 8 Digit Totalizer | |
| Current Output | : | 4-20 mA (2-Wire) with HART signal |
| Load | : | Rohm= (VDC-12) * 50 |
| Pulse Output | : | Scaled Pulse |
| Load | : | 1000-5000 Ω |
| Communication | : | HART (Compatible) |
| or RS485 (MODBUS Protocol) | ||
| Data Storage | : | Operation parameter and totalizer |
| figures are stored by EEPROM for more | ||
| than 10 years | ||
| Housing Material | : | Aluminum Alloy |
| Cable Entry | : | Standard: M20 * 1.5 Option: 1/2″ NPTF |
| Power Supply | : | 12-32 VDC |
| : | Ni-MH Battery (3 years working hours) | |
| KeyPad | : | 3 Internal keys for programming |
| and display control | ||
| Option | ||
| Pressure Sensor | : | Pressure compensation |
| Signal Output | : | 0-35 mVDC (20 μA Power Supply) |
| Temperature Sensor | : | Temperature compensation |
| Signal Output | : | PT1000 (2-Wire) |
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