Yokogawa CA Series Magnetic Flowmeter

Product Overview

The Yokogawa CA Series Magnetic Flowmeter stands at the forefront of industrial process measurement, delivering exceptional accuracy and long-term reliability for liquid flow monitoring. Designed to meet the rigorous demands of modern industrial automation, this digital magnetic flow meter integrates cutting-edge technology with robust mechanical construction. Whether deployed in chemical processing, water management, or general industrial manufacturing, this industrial flow transmitter ensures precise data acquisition and seamless system integration.

Core Technology & Measurement Principle

Operating on Faraday’s law of electromagnetic induction, the Yokogawa CA magnetic flowmeter measures the flow velocity of conductive liquids without any internal moving parts. This obstructionless design eliminates pressure drop and reduces maintenance requirements. The device features an intuitive display unit equipped with high-visibility indicators and infrared switches, allowing engineers to perform configurations and monitor process variables safely through the glass window.

Communication & System Integration

Equipped with standard HART protocol communication capabilities, the CA series flow meter offers flexible integration into existing control architectures. It supports active 4 to 20 mA analog outputs, pulse outputs, status outputs, and status inputs, ensuring comprehensive feedback for control rooms. The inclusion of a dedicated microSD card slot facilitates effortless parameter backup, data logging, and system restoration, enhancing operational efficiency for plant technicians.

Rugged Build & Safety Standards

Built to withstand harsh industrial environments, the flowmeter complies with strict international EMC standards and offers waterproof construction options (IP66/IP67). The meter incorporates built-in lightning protection and rigorous grounding options (Class C/Class D) to safeguard against electrical noise and power surges. With diverse flange rating compatibility and specialized centering devices, installation and alignment are optimized for maximum structural integrity.

Application Fields

• Chemical & Petrochemical Processing: Ensures stable flow measurement for corrosive fluids and chemical additives with its durable non-contact electromagnetic design.

• Water & Wastewater Management: Prevents clogging from slurries or suspended solids in municipal and industrial water treatment systems due to its obstructionless flow tube.

• Industrial Manufacturing & Process Automation: Integrates seamlessly with DCS and PLC architectures via HART protocol for precise batching and real-time liquid tracking.

• Utility & Low-Conductivity Liquid Monitoring: Delivers low-noise, accurate flow measurement specifically optimized for challenging conductive utility fluids.

Technical Specifications

• Applicable Fluid: Conductive liquids (minimum conductivity requirements apply based on fluid characteristics).

• Size Range: 15 mm to 200 mm (0.5 in. to 8 in.).

• Power Supply:

  • AC Type: 100 to 240 V AC (50/60 Hz) or 24 V AC.

  • DC Type: 100 to 120 V DC or 24 V DC.

• Power Consumption: 13 W (independent of communication and I/O specifications).

• Output Signals: Active 4 to 20 mA DC current output with HART communication, passive pulse output, and status output/input.

• Enclosure Protection: IP66 / IP67 (IEC 60529).

• Ambient Temperature Range: -20°C to 50°C (-4°F to 122°F).

• Ambient Humidity: 5% to 80% RH (no condensation).

FAQ

• Q: Can this flowmeter measure non-conductive fluids like pure oil or gases?

  • A: No. Magnetic flowmeters rely on Faraday’s law of electromagnetic induction and require the measured fluid to have a specific minimum electrical conductivity. They are strictly designed for liquid flow measurement.

• Q: How is zero adjustment performed after installation?

  • A: Pre-operation zero adjustment should be performed after the sensor is completely filled with the measurement fluid and the flow velocity is brought to a complete stop by closing the valves. This can be executed easily via the display unit’s infrared switches under the “Autozero” menu.

• Q: What is the purpose of the built-in microSD card slot?

• A: The microSD card slot (available with specific options) allows users to store, backup, and restore parameter settings securely, as well as handle data logging directly on the device.

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