ABB AC221111311 Conductivity Cell

Description

ABB AC221111311 Conductivity Cell

The ABB AC221 is a high-performance, insertion-type conductivity cell designed for industrial water analysis. It belongs to the AC200 series of 2-electrode contacting conductivity sensors, known for their rugged construction and rapid temperature response.

Below is the detailed information for the AC221 series (of which the specific model code 1111311 is a configuration).

1. Product Description

The AC221 is an industrial-grade conductivity sensor featuring stainless steel electrodes. It is specifically designed for insertion into pipelines, vessels, and process lines. Its primary function is to measure the conductivity of water, which indicates the concentration of dissolved ions, making it essential for monitoring water purity.

2. Technical Specifications

The specific configuration (e.g., cell constant and connection type) depends on the exact digits of your model code, but the general parameters for the AC221 series are:

3. Key Advantages

• High Precision: Capable of measuring ultra-pure water with high accuracy.

• Durability: The stainless steel construction is resistant to polarization and corrosion.

• Rapid Response: Features a “world-beating” temperature response time, allowing for real-time compensation even during rapid process changes.

• Low Maintenance: The robust design requires virtually no maintenance once installed.

• Flexible Connectivity: Offers various connection methods, including detachable connectors to prevent wiring errors.

4. Product Applications

The AC221 is widely used in industries requiring high-quality water monitoring:

• Power Plants: Monitoring boiler feed water and steam condensate.

• Water Treatment: Reverse Osmosis (RO) system monitoring and Ion-exchangers.

• Semiconductor: Chip cleaning applications where ultra-pure water is mandatory.

• General Industry: Monitoring of process sample lines and cooling water.

5. Important Considerations & Precautions

• Installation: Ensure the sensor is fully immersed in the flowing liquid to avoid air pockets, which can cause erratic readings.

• Temperature Limits: Standard cables may not support the maximum $200^\circ\text{C}$ rating; ensure you use the ABB high-temperature cable if operating above $100^\circ\text{C}$.

• Scaling: In high-mineral environments, periodically check the electrodes for scaling or deposits, as these will affect measurement accuracy.

• Compatibility: Verify that the cell constant ($0.01$ or $0.10$) matches the input requirements of your transmitter (e.g., ABB AWT210 or AX400).

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