Yokogawa ADMAG AXG Magnetic Flowmeter

Advanced Magnetic Flow Measurement for Industrial Processes

The Yokogawa ADMAG AXG Magnetic Flowmeter is an industry-leading solution engineered to provide precise, stable, and reliable flow measurement for conductive liquids. As part of the ADMAG Total Insight (TI) series, the AXG combines cutting-edge sensor technology with intelligent diagnostic capabilities, making it an indispensable asset for modern industrial automation. Whether applied in chemical dosing, water treatment, or heavy manufacturing, this flowmeter ensures optimal process monitoring and operational efficiency.

Superior Signal Stability and Dual-Frequency Excitation

At the core of the ADMAG AXG is Yokogawa’s field-proven dual-frequency excitation method. This innovative technology eliminates flow noise and ensures zero-point stability even under difficult process conditions, such as slurry flow or high-concentration fluid transfer. The device measures fluid velocity, volumetric flow rate, mass flow rate, and fluid temperature with high precision. With rapid response times and minimal pressure loss, it guarantees real-time data accuracy for critical control loops and custody transfer operations.

Intelligent Diagnostics and Device Health Monitoring

Equipped with comprehensive self-check and verification functions, the AXG series continuously monitors its own operational health and process integrity. Features such as electrode insulation deterioration monitoring, noise level detection, and empty pipe detection proactively alert operators to potential issues before they cause downtime. Furthermore, built-in data logging and microSD card support allow seamless parameter backup, event tracking, and historical data analysis directly at the device level.

Robust Construction and Flexible Integration

Designed for harsh operational environments, the AXG offers highly durable wetted parts, robust lining options (such as PFA and ceramics), and sturdy stainless steel housings. It supports diverse process connections, including wafer and flange types, accommodating pipe sizes from small diameters to large industrial pipelines. For system integration, the flowmeter provides flexible input and output options, including active/passive pulse outputs, status outputs, current inputs, and support for major digital communication protocols like FOUNDATION Fieldbus, HART, BRAIN, Modbus, and EtherNet/IP.

Application

• Chemical and Petrochemical Processing: Precise measurement of corrosive, abrasive, and high-temperature conductive chemical solutions.

• Water and Wastewater Treatment: Monitoring raw water intake, effluent discharge, and chemical dosing flows.

• Mining, Pulp, and Paper Industries: Reliable flow tracking for high-concentration slurries and fibrous liquids using robust ceramic or PFA linings.

• Power Generation and Energy Management: General utility and cooling water monitoring across industrial plant networks.

• General Industrial Automation: Integration into complex process control systems requiring high accuracy and digital bus communication.

 Technical Specifications

• Measurement Principle: Electromagnetic induction (Magnetic flowmeter).

• Applicable Fluids: Conductive liquids (minimum conductivity requirements apply).

• Outputs: Active/passive pulse output, passive status output, active current input.

• Communication Protocols: FOUNDATION Fieldbus, HART, BRAIN, Modbus, EtherNet/IP.

• Excitation Method: Dual-frequency excitation.

• Functions: Electrode adhesion detection, empty pipe detection, fluid noise monitoring, data logging via microSD card.

• Enclosure Protection: IP65 / IP67 (dependent on cable glands and housing configuration).

• Power Supply: Standard industrial voltage ratings as specified in wiring manuals.

FAQ

Q1: What types of fluids can the Yokogawa ADMAG AXG measure? A: The AXG is designed to measure conductive liquids, including water, chemicals, slurries, and process solutions, provided the fluid meets minimum electrical conductivity thresholds.

Q2: What communication protocols are supported by this flowmeter? A: It supports multiple industrial communication standards, including FOUNDATION Fieldbus, HART, BRAIN, Modbus, and EtherNet/IP for seamless DCS and PLC integration.

Q3: How does the dual-frequency excitation benefit measurements? A: Yokogawa’s dual-frequency excitation eliminates flow noise and ensures superior zero-point stability, especially when measuring difficult or high-noise slurry media.

Q4: Does the device feature self-diagnostics or error monitoring? A: Yes, it features advanced NE107-compliant self-diagnostics, including empty pipe detection, electrode insulation monitoring, and data logging capabilities via an optional microSD card.

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