ABB AX411/50001 Single and Dual Input Analysers

ABB AX411/50001 Single and Dual Input Analysers

Product Overview

The ABB AX411/50001 is a highly accurate industrial process analyser designed for low conductivity measurements, supporting single or dual input configurations for the water and wastewater treatment, power and pure water, semiconductor, chemical, pharmaceutical, pulp and paper industries. Its core features include:

Flexible Input Selection: Supports single or two conductivity input channels, or a combination of conductivity and pH/ORP measurements.

Integrated PID control: Built-in PID controller allows direct adjustment of process parameters, reducing the need for external equipment and lowering installation costs.

Multi-parameter calculations: Support for conductivity, resistivity, difference, ratio and other calculations, expanding monitoring and control capabilities.

Digital features: Equipped with ABB Ability™ digital solutions to support data logging, remote monitoring and predictive maintenance.

Core features and benefits

Measurement performance

High accuracy: Advanced electrode technology ensures low conductivity measurements are accurate (e.g. 0.01 μS/cm to 200 mS/cm range).

Temperature compensation: Automatic temperature compensation function improves measurement stability in different environments.

Hardware design

Compact design: Wall/pipe or panel mounting with IP65 protection for harsh industrial environments.

Energy saving features: high brightness backlit display with auto switch off function, 30V DC option reduces safety testing costs.

Communication and Expansion

Interface Configuration: Supports analogue outputs (4-20 mA), digital communications (e.g. HART or PROFIBUS-PA/-DP), optional five alarm relays and four current outputs.

Logging: Built-in service log records historical data for easy troubleshooting and compliance auditing.

Industry Adaptability

Ultrapure water monitoring: USP/EP compliant for high purity water testing in the pharmaceutical and semiconductor industries.

Process optimisation: Improve production efficiency in chemical and pulp industries through real-time data feedback and PID control.

Technical Parameters

Measurement range

Conductivity: 0.01 μS/cm to 200 mS/cm (optional range)

pH/ORP: -2.00 to 16.00 pH, -2000 to +2000 mV

Accuracy

Conductivity: ±0.5% F.S. (typical)

pH/ORP: ±0.01 pH, ±1 mV

Temperature Compensation: Automatic (0-100°C)

Power supply: 24V DC (9-30V DC)

Output signal:4-20 mA (isolated, configurable)

Communication protocol:HART (optional), PROFIBUS-PA/-DP (optional)

Alarm function: 5 relay outputs (configurable)

Protection level: IP65 (wall / pipe mounting)

Application Scenarios

Water and wastewater treatment

Monitor conductivity in reverse osmosis (RO) systems to optimise water quality control.

pH and ORP monitoring in wastewater treatment to ensure discharge compliance.

Power & Pure Water

Ultrapure water monitoring of boiler make-up water in power plants to prevent scaling and corrosion.

High purity water testing in semiconductor manufacturing to meet cleanroom standards.

Chemical & Pharmaceutical

Conductivity monitoring in reaction vessels for real-time control of chemical reaction processes.

Resistivity measurement of water for injection (WFI) in the pharmaceutical industry to meet GMP requirements.

Pulp and Paper

Conductivity and pH control in pulp production to improve paper quality.

Water quality analysis in wastewater recycling systems to reduce resource consumption.

Installation and Maintenance

Installation Guide

Environmental requirements: avoid strong electromagnetic interference, ambient temperature 0-50°C, humidity ≤ 95% RH (non-condensing).

Wiring method: universal terminal design, support quick connection of sensor and power line.

Calibration method: Support single-point or multi-point calibration, which can be carried out through local menu or remote software.

Maintenance Recommendations

Regular Cleaning: Clean the electrode surface quarterly to prevent contamination from affecting measurement accuracy.

Sensor Replacement: It is recommended to replace the conductivity electrode every year to ensure long-term stability.

Firmware update: Update the firmware regularly through the official ABB tool to get new functions and security patches.

Selection and Configuration

Model selection: AX411 is a dual-input model, AX410 is a single-input model, supporting conductivity or pH/ORP combination.

Option Board Expansion: Option boards can be added to achieve more alarm outputs or communication protocols.

Customisation: ABB offers customised solutions to suit specific industry requirements (e.g. explosion-proof certification).

Compliance and Certification

Industry standards: Comply with CE, UL, ATEX and other certifications, applicable to the global market.

Data security: support data encryption and access rights management, in line with ISO 27001 information security standards.