ABB AWT420 Universal 4-wire, Dual-input Transmitter

The ABB AWT420 is a versatile, dual-input transmitter designed for continuous monitoring and control of a wide range of process parameters. Supporting both analog and digital EZLink™ sensors, it enables flexible, high-performance measurement in applications ranging from drinking water and wastewater to industrial water, chemical processing, and power generation.

Key Features:

• Dual-input Capability: Simultaneously supports two sensors for parameters such as pH, ORP, conductivity, turbidity, dissolved oxygen, chlorine, and more.
• EZLink™ Sensor Integration: Plug-and-play digital sensor connectivity with automatic recognition, setup, and advanced diagnostics.
• Modular Design: Mix-and-match sensor and communication modules; factory-calibrated for fast deployment and reduced downtime.
• Advanced Control: Dual-channel PID control with analog, pulse length, and pulse frequency modes for precise process regulation.
• Secure Data Management: Full audit trail, alarm logs, and secure archiving to SD card; compatible with ABB’s DataManager Pro software.
• Bluetooth® Connectivity: Access real-time and historical data via the EZLink Connect app on iOS and Android devices.
• Flexible Communications: Supports HART®, Ethernet, PROFIBUS® DP, and MODBUS® RS485 for seamless integration.
• Robust Construction: IP66/NEMA 4X-rated housing for wall, panel, or pipe mounting in non-hazardous environments.

The AWT420 is engineered for multi-parameter, multi-industry use, offering intuitive operation, predictive diagnostics, and scalable integration for modern process environments.