ABB AX411/50001 Dual-Channel Conductivity Transmitter

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Product Overview

The ABB AX411/50001 Dual-Channel Conductivity Transmitter is designed for liquid conductivity measurement and control in industrial processes. It provides real-time monitoring of water, chemical solutions, or industrial fluids, delivering precise analog or digital signals to control systems for process regulation.
The dual-channel design allows simultaneous monitoring of two independent fluid streams, enhancing system efficiency and flexibility. Widely used in water treatment, chemical, power, food & beverage, and pharmaceutical industries.

Technical Specifications

Model: AX411/50001
Type: Dual-Channel Conductivity Transmitter
Channels: 2 independent channels
Measurement Range: 0.01 µS/cm – 200 mS/cm (depending on sensor)
Accuracy: ±1% FS
Temperature Range: 0°C – +100°C
Temperature Compensation: Automatic Temperature Compensation (ATC)
Output Signals:

• 4–20 mA DC (independent per channel)

• HART protocol
  Power Supply: 24 V DC ±10%
  Response Time: <1 s
  Display: LCD, real-time conductivity and temperature readout
  Protection Rating: IP65
  Mounting: Panel or DIN rail
  Material: ABS housing, corrosion-resistant
  Operating Temperature: 0°C – +50°C
  Storage Temperature: -20°C – +70°C
  Weight: approx. 1.2 kg
  Certifications: CE / UL / RoHS

Features & Advantages

1. Dual Independent Channels – Monitor two fluid streams simultaneously for increased flexibility.

2. High Accuracy & Fast Response – ±1% FS accuracy and <1 s response time.

3. Automatic Temperature Compensation – Stable measurements under varying temperatures.

4. Standard Signal Output – 4–20 mA and HART for easy integration with control systems.

5. Rugged and Durable – Industrial-grade protection, waterproof and dustproof.

6. Easy Installation & Operation – Panel or DIN rail mounting with clear LCD display.

Applications

• Water treatment and pure water systems

• Chemical process monitoring

• Power plant cooling and boiler water control

• Food and beverage process liquids

• Pharmaceutical process and laboratory liquids

• Industrial process automation and monitoring

Precautions

1. Disconnect power before installation to ensure safety.

2. Clean electrodes regularly to prevent scaling and measurement errors.

3. Avoid operation beyond temperature limits or with highly corrosive liquids.

4. Ensure correct wiring and power supply when connecting output signals to controllers.

5. Avoid high EMI or high humidity environments.

6. Regular calibration is recommended for long-term accuracy.

The structure and details of the product：

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