AMM21T-3 AMM21T AMM21T-2 AMM21T-1

The Yokogawa AMM21 is a state-of-the-art multi-function analyzer designed for high-precision monitoring and control of key process parameters across a broad range of industrial sectors. Engineered to deliver reliable and accurate measurements for pH, ORP (Oxidation-Reduction Potential), dissolved oxygen, conductivity, and temperature, the AMM21 is a versatile solution for industries such as chemical processing, pharmaceutical manufacturing, water treatment, food & beverage, and energy generation. Its advanced features, including real-time data collection, alarm management, and extensive integration capabilities, ensure optimal process performance, quality control, and regulatory compliance. The AMM21 is designed to be user-friendly, adaptable, and durable, making it an ideal choice for demanding industrial environments.

Technical Specifications

Model: AMM21
Type: Multi-Function Analyzer
Dimensions: 10.2 inches x 8.6 inches x 4.2 inches (260 mm x 218 mm x 107 mm)
Weight: 3.1 lbs (1.4 kg)
Power Supply: 100-240V AC, 50/60Hz
Power Consumption: 30 W
Input Channels:
- 3x Analog Inputs (for pH, ORP, dissolved oxygen, conductivity, temperature, etc.)
Display: 7.0-inch color LCD touchscreen
Communication Ports:
- 1x Ethernet (10/100 Mbps)
- 2x RS-485 (Modbus RTU)
- 1x USB (for configuration and data export)
Measurement Parameters: pH, ORP, Dissolved Oxygen, Conductivity, Temperature, and others
Accuracy:
- pH: ±0.01 pH
- Conductivity: ±1% FS
- Temperature: ±0.5°C
Operating Temperature: -10°C to 55°C (14°F to 131°F)
Storage Temperature: -20°C to 70°C (-4°F to 158°F)
Relative Humidity: 5% to 95% (non-condensing)
Environmental Rating: IP65 (for front panel)
Mounting: Panel Mount or Wall Mountable
Software: Data logging, trend graphs, alarm management, diagnostic tools, and event reporting
Certificates: CE, UL, Ex (for hazardous environments)

Recommended Related Models

Yokogawa FLXA402: The FLXA402 offers additional measurement capabilities and works seamlessly with the AMM21, allowing for multi-parameter analysis in demanding applications such as wastewater treatment or chemical processing.
Yokogawa SC200: The SC200 system controller integrates with the AMM21, enabling centralized process control, real-time monitoring, and data collection for large-scale industrial systems.
Yokogawa PRM (Plant Resource Manager): Integrating the AMM21 with PRM enables advanced diagnostic monitoring, predictive maintenance, and performance tracking, which reduces downtime and enhances operational efficiency.
Yokogawa ADMAG AXF: The ADMAG AXF magnetic flow meter can be paired with the AMM21 for precise flow measurement in applications such as chemical and water treatment, where accurate flow control is essential.

Popular Yokogawa Models

Yokogawa CENTUM VP: The AMM21 integrates easily with the CENTUM VP distributed control system (DCS), providing centralized data collection, real-time monitoring, and control of complex industrial processes.
Yokogawa SCADA Systems: The AMM21 can be used with Yokogawa SCADA systems, offering enhanced process visibility, alarm management, and data logging for comprehensive process control.
Yokogawa OpreX Analytical Solutions: The AMM21 is part of Yokogawa’s OpreX Analytical Solutions, offering industry-leading accuracy, reliability, and flexibility for critical process measurement and control applications.

Applications

The Yokogawa AMM21 is ideal for industries requiring continuous monitoring and real-time control of multiple process parameters:

Chemical Processing: The AMM21 ensures optimal reaction conditions by continuously monitoring critical parameters such as pH, ORP, and conductivity, ensuring process consistency and product quality.
Water and Wastewater Treatment: In water treatment plants, the AMM21 helps maintain regulatory compliance by monitoring dissolved oxygen, pH, and conductivity, essential for maintaining water quality.
Pharmaceutical Manufacturing: The AMM21 ensures precise process control in pharmaceutical production, monitoring parameters like pH, conductivity, and dissolved oxygen, ensuring product safety and regulatory compliance.
Food and Beverage: The AMM21 monitors key parameters such as pH, conductivity, and temperature, ensuring consistency and quality throughout the food and beverage production process.
Power Generation: In power plants, the AMM21 ensures efficient operation by monitoring conductivity and ORP in cooling systems and steam boilers, helping to reduce scaling, corrosion, and improve system performance.

Advantages

Simultaneous Multi-Parameter Measurement: The AMM21 can measure multiple process parameters, such as pH, ORP, dissolved oxygen, conductivity, and temperature, providing a complete picture of the process and enabling precise control.
High Accuracy and Stability: The AMM21 offers ±0.01 pH accuracy for pH, ±1% FS for conductivity, and ±0.5°C for temperature, ensuring reliable measurements for critical process control.
Large Touchscreen Interface: The AMM21 features a 7.0-inch color LCD touchscreen, providing an easy-to-read and intuitive interface for data visualization, trend monitoring, and alarm management.
Flexible Installation Options: The AMM21 supports panel mount and wall mount configurations, making it versatile and adaptable to different industrial environments.
IP65 Protection: With an IP65-rated front panel, the AMM21 is resistant to dust and water ingress, making it suitable for harsh industrial conditions.
Data Logging and Alarm Management: The AMM21 includes data logging and alarm management features, enabling operators to track trends, analyze historical data, and receive timely alerts to prevent process deviations.
Ex Certification for Hazardous Locations: The AMM21 is Ex certified, meaning it is safe to use in hazardous environments, such as oil & gas, chemical, and pharmaceutical industries, where explosive atmospheres may exist.

Technical FAQs

What parameters can the AMM21 measure?
The AMM21 can measure pH, ORP, dissolved oxygen, conductivity, temperature, and other customizable parameters based on specific application needs.
How many input channels does the AMM21 support?
The AMM21 supports 3 analog input channels, allowing for the simultaneous monitoring of multiple critical process parameters.
What is the accuracy of the AMM21 for pH and conductivity measurements?
The AMM21 offers ±0.01 pH accuracy for pH, ±1% FS for conductivity, and ±0.5°C for temperature, ensuring reliable and precise measurements.
Can the AMM21 be used in hazardous environments?
Yes, the AMM21 is Ex certified, making it safe for use in hazardous environments with flammable gases or explosive atmospheres, such as oil & gas and chemical industries.
What is the power consumption of the AMM21?
The AMM21 has a power consumption of 30 W, providing an energy-efficient solution for continuous process monitoring.
What type of display does the AMM21 have?
The AMM21 features a 7.0-inch color LCD touchscreen, offering a larger display area for better visibility of real-time data, trends, and alarms.
Does the AMM21 support remote communication?
Yes, the AMM21 supports Ethernet, RS-485 (Modbus RTU), and USB communication for easy integration with Yokogawa SCADA systems and other automation solutions.
What is the environmental rating of the AMM21?
The AMM21 has an IP65-rated front panel, providing protection against dust and water, ensuring reliable performance in industrial environments.
What is the operating temperature range for the AMM21?
The AMM21 operates within a temperature range of -10°C to 55°C (14°F to 131°F), making it adaptable to a variety of industrial conditions.
Which industries can benefit from using the AMM21?
The AMM21 is ideal for industries such as chemical processing, water treatment, pharmaceutical manufacturing, food & beverage, and energy generation, where accurate, real-time process monitoring is essential for efficiency, product quality, and safety.