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Yokogawa NFDV561 Product Introduction
The Yokogawa NFDV561 is a high-performance digital vortex flowmeter designed for precise and reliable flow measurement in various industrial applications. It leverages advanced digital signal processing technology to deliver accurate and stable readings, even in challenging environments. The NFDV561 is widely used in industries such as oil and gas, chemical, power, and water treatment, offering exceptional durability and low maintenance requirements. Its robust construction and user-friendly interface make it a preferred choice for engineers and technicians.
Product Parameters
| Parameter | Specification |
|---|---|
| Model | NFDV561 |
| Measurement Principle | Vortex shedding |
| Pipe Size Range | 15 mm to 300 mm (0.5″ to 12″) |
| Flow Range | Liquid: 0.3 to 6 m/s, Gas: 3 to 90 m/s |
| Accuracy | ±1.0% of reading (liquid), ±1.5% of reading (gas) |
| Pressure Rating | Up to 16 MPa (2320 psi) |
| Temperature Range | -40°C to 400°C (-40°F to 752°F) |
| Output Signals | 4-20 mA, pulse, HART, BRAIN, FF, PROFIBUS PA |
| Power Supply | 10.5 to 42 V DC |
| Material | Stainless steel (body), various options (liner) |
| Dimensions | 32.8 × 107.5 × 130 mm |
| Weight | 0.3 kg |
| Protection Rating | IP67, NEMA 4X |
Product Applications
The Yokogawa NFDV561 is suitable for a wide range of applications, including:
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Oil & Gas: Measurement of crude oil, natural gas, and refined products.
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Chemical: Monitoring corrosive and abrasive fluids in chemical processes.
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Power Plants: Steam and water flow measurement in boilers and turbines.
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Water & Wastewater: Flow monitoring in treatment plants and distribution systems.
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Food & Beverage: Hygienic flow measurement for liquids and gases.
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Pharmaceutical: Precise flow control in drug manufacturing.
Product Advantages
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High Accuracy: Advanced DSP technology ensures precise measurements.
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Wide Rangeability: Suitable for both low and high flow rates.
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Robust Construction: Stainless steel body resists harsh environments.
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Low Maintenance: No moving parts reduce wear and tear.
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Versatile Communication: Supports multiple protocols (HART, PROFIBUS, etc.).
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Easy Installation: Compact design simplifies integration into existing systems.
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Temperature & Pressure Resilience: Operates reliably in extreme conditions.
Frequently Asked Questions (FAQ)
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What is the operating temperature range of the NFDV561?
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The NFDV561 can operate from -40°C to 400°C (-40°F to 752°F).
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Does the NFDV561 require regular calibration?
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Calibration is recommended every 2-3 years, depending on usage conditions.
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Can the NFDV561 measure steam flow?
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Yes, it is suitable for saturated and superheated steam applications.
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What communication protocols are supported?
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HART, BRAIN, FF, and PROFIBUS PA are supported.
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Is the NFDV561 suitable for corrosive fluids?
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Yes, with optional liners (e.g., PTFE) for corrosive media.
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What is the typical lifespan of the NFDV561?
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With proper maintenance, it can last over 5 years.
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How is the NFDV561 powered?
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It requires a 10.5 to 42 V DC power supply.
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Can it be used in hazardous areas?
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Yes, it has certifications for ATEX, IECEx, and other safety standards.
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What is the response time of the NFDV561?
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Typically less than 1 second for most applications.
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How long is the warranty period?
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The standard warranty is 1 years, subject to proper usage and conditions.
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Recommended Related Models
| Model | Description | Key Feature |
|---|---|---|
| NFDV550 | Compact vortex flowmeter | Lower cost, basic functionality |
| NFDV570 | High-temperature vortex flowmeter | Up to 450°C operation |
| NFDV580 | Multivariable vortex flowmeter | Measures flow, temperature, pressure |
| NFDV590 | Sanitary vortex flowmeter | For food & pharmaceutical use |
| NFDV600 | Large pipe vortex flowmeter | For pipes up to 24″ |
| NFDV520 | Explosion-proof vortex flowmeter | For hazardous areas |
Popular Yokogawa Models in the Same Brand
| Model | Description | Category |
|---|---|---|
| EJA110A | Differential pressure transmitter | Pressure measurement |
| AXF Series | Magnetic flowmeter | Liquid flow measurement |
| UT550 | Ultrasonic flowmeter | Non-invasive flow measurement |
| DY Series | Digital pressure gauge | Pressure monitoring |
| F3RS | Rotameter | Small pipe flow measurement |
| YTA Series | Temperature transmitter | Temperature measurement |
