ABB AX466 Single and Dual Input pH/ORP Analyzers

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Product Overview

The ABB AX466 is a high-precision pH/ORP Analyzer that supports single or dual input channels for continuous monitoring of pH or oxidation-reduction potential (ORP) in water, chemical solutions, and process liquids.
The analyzer provides reliable, stable measurements with digital or analog outputs for direct integration with PLC/DCS systems, enabling automated control and process optimization.
AX466 features a robust industrial enclosure suitable for chemical, pharmaceutical, water treatment, and food industry applications.

Technical Specifications

Key Features

• High-precision measurements: pH ±0.01, ORP ±1 mV

• Single or dual channel design for redundancy and flexibility

• Automatic temperature compensation via built-in Pt100 / Pt1000

• Flexible outputs: analog 4–20 mA and digital Modbus/Profibus

• Industrial-grade IP65 enclosure for harsh environments

• User-friendly color LCD for real-time data, trend, and history

Applications

• Industrial water treatment and wastewater monitoring

• Chemical process monitoring

• Food and beverage water quality control

• Pharmaceutical process liquid monitoring

• Power and energy system pH/ORP monitoring

• Signal acquisition and process control in automated systems

Installation & Handling Notes

• Ensure sensor type (pH/ORP) matches the analyzer before installation.

• Keep the device away from high temperature, humidity, and corrosive environments.

• Connect power and signal cables according to rated voltage and protection standards.

• Regularly calibrate sensors to maintain measurement accuracy.

• Avoid installing near strong electromagnetic interference.

• Follow manufacturer guidelines for operation and maintenance to prevent component damage.

The structure and details of the product：

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