Yokogawa AFS40D Product Documentation

Product Introduction

The Yokogawa AFS40D is a high-performance analog flowmeter designed for precise and reliable flow measurement in various industrial applications. It is part of Yokogawa’s extensive lineup of flow measurement instruments, known for their accuracy, durability, and advanced technology. The AFS40D is particularly suited for applications requiring stable and long-term flow monitoring, such as in chemical processing, water treatment, and oil & gas industries.

The device features a robust construction, ensuring resistance to harsh environmental conditions, and incorporates advanced signal processing for high measurement accuracy. Its user-friendly interface allows for easy configuration and maintenance, making it a preferred choice for engineers and technicians.

Product Advantages

1. High Accuracy – The AFS40D delivers precise flow measurements with minimal deviation, ensuring reliable data for process control.
2. Durability – Built with high-quality materials, the flowmeter is resistant to corrosion, high pressure, and extreme temperatures.
3. Easy Installation & Maintenance – The compact design and straightforward wiring reduce installation time, while the low-maintenance design ensures long-term reliability.
4. Wide Compatibility – Works with various fluids, including water, chemicals, and gases, making it versatile for multiple industries.
5. Advanced Signal Processing – Reduces noise interference, providing stable and consistent readings.
6. Long Lifespan – Designed for continuous operation with minimal wear and tear.

Technical Specifications

Applications

• Chemical Processing – Monitoring reagent flow rates.
• Water & Wastewater – Measuring clean water, sewage, and treatment chemicals.
• Oil & Gas – Flow control in pipelines and refineries.
• Food & Beverage – Hygienic flow measurement for liquid ingredients.
• Pharmaceuticals – Precise dosing in drug manufacturing.
• HVAC Systems – Monitoring coolant flow in heating/cooling systems.

Compatible Models for Integration

The AFS40D can be paired with the following Yokogawa devices for enhanced functionality:

• YTA310 (Temperature Transmitter)
• YFGW410 (Field Wireless Converter)
• YS1700 (Process Controller)
• AXF Series (Magnetic Flowmeters)
• EJX Series (Differential Pressure Transmitters)
• Rotamass (Coriolis Flowmeter)

Installation Guide

1. Mounting – Ensure the flowmeter is installed in a stable position, avoiding excessive vibration.
2. Wiring – Connect the power supply (24 VDC) and output signals as per the wiring diagram.
3. Calibration – Perform zero and span calibration before initial operation.
4. Grounding – Proper grounding is essential to avoid electrical interference.
5. Piping Alignment – Misalignment can cause measurement errors; ensure proper pipe fitting.
6. Maintenance – Regularly inspect for debris buildup and clean the sensor if necessary.

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Frequently Asked Questions (FAQ)

Q1: What is the maximum pressure the AFS40D can withstand?
A1: The AFS40D has a pressure rating of up to 16 bar (232 psi).

Q2: Can the AFS40D measure corrosive liquids?
A2: Yes, its stainless steel (SS316) construction makes it suitable for corrosive fluids.

Q3: Is the AFS40D compatible with HART communication?
A3: Yes, it supports 4-20 mA with HART protocol for advanced diagnostics.

Q4: What is the operating temperature range?
A4: It operates reliably between -40°C to +85°C (-40°F to +185°F).

Q5: Does it require frequent calibration?
A5: No, it maintains accuracy over long periods but should be checked annually.

Q6: Can it be used for gas flow measurement?
A6: Yes, but the measurement range and calibration must be adjusted accordingly.