Description
MEGATF low-cost turbine flow meters are used for the precise measurement of instantaneous flow rates of low-viscosity fluids such as tap and demineralised water, fuels, liquefied gases, light fuel oils, solvents, and pharmaceutical fluids. Turbine flowmeters measure volumetric flow, where fluid passing through the meter body is measured by the mean velocity of the flowing fluid media. Flow rectifiers ensure a laminar flow in the axial direction of the wheel. A low-mass turbine wheel carried concentrically within the meter body is rotated by the fluid. The RPM of the turbine wheel is directly proportional to the mean flow rate within the meter body and directly corresponds to the volumetric flow over a wide range.
- Wide temperature range; -20 ~ 150 °C
- Pressures up to 3,600 psig (250 bars) using optional high-pressure flanges
- Easily cleaned; designed to flush particulates through the meter with the fluid media
- NPT threaded process connection standard, optional BSP threads & flange connections available
- Factory calibrated, traceable to NIST
- Battery-powered display available
- RS-485 and HART communications available
Specifications
| Line size | 4, 6, 10, 15, 20, 25, 32, 40, 50, 65, 80, 100, 125, 150, 200 |
| Accuracy | 0.5%, 1.0% |
| Material |
Housing: Standard - 304 Stainless Steel Optional - 316 Stainless Steel Bearings and Shaft: Tungsten Carbide Rotor: Standard - 2Cr13 Stainless Steel (Optional Alloy CD4Mcu) Retaining Rings: 316 Stainless Steel |
| Working temperature | Standard: -20~+80℃, Option: -20~+120℃/-20~+150℃ |
| Ambient condition |
Ambient temperature: -20~+55℃ Ambient pressure: 86 to 106 KPa Relative Humidity: 5% to 90% |
| Signal output |
Pulse signal (Low Level: ≤0.8V; High Level: ≥8V) 4~20mA |
| Communication | RS485, HART |
| Power supply | +24VDC±15%, 3.2V Lithium Battery |
| Explosion | ExdIIBT6, ExiaIICT4 |
| Protection | IP65 |
| Process connection |
NPT threads up to 63 bar ANSI and DIN flanges Wafer |
Optional Converter
| Model | Function | Picture |
|
MEGATF-N1 |
Blind,24VDC,Pulse output |
|
|
MEGATF-N2 |
Blind,24VDC,Pulse output, Ex |
|
| MEGATF-A | Blind, 24VDC, 4-20mA output, Ex |
|
| MEGATF-B | Local display, Lithium battery power, No output, Ex |
|
| MEGATF-C | Local display,24VDC,4-20mA output, Modbus RS485, Optional Lithium battery, Ex |
|
| MEGATF-D | Local display,24VDC,4-20mA output, HART, Ex |
|
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