The Rosemount 442 Conductivity Sensor is engineered to deliver precise and reliable measurements of electrolytic conductivity across a diverse range of applications, from high-purity water systems to clean cooling water processes.
Key Features
- Factory-Calibrated Accuracy: Each sensor comes with a factory-measured cell constant, ensuring immediate accuracy upon installation without the need for initial calibration.
- Versatile Measurement Range: Available with cell constants of 0.01, 0.1, and 1.0/cm, the sensor effectively covers a broad spectrum of conductivity levels.
- Durable Construction: Featuring titanium electrodes and a PEEK insulator, the sensor is built to withstand demanding process environments.
- Flexible Installation Options: Designed for direct screw-in insertion into process piping via a 3/4-inch MNPT fitting, it can also be utilized in sidestream installations using a pipe tee or flow cell.
- High-Temperature Capability: An optional integral junction box allows the sensor to operate in temperatures up to 392°F (200°C), accommodating high-temperature applications.
Applications
The Rosemount 442 Conductivity Sensor is ideal for monitoring and controlling conductivity in various industrial processes, including:
- High-purity water systems
- Clean cooling water circuits
- Chemical processing
- Pharmaceutical manufacturing
- Food and beverage production
Its robust design and accurate measurements make it a valuable tool for ensuring process efficiency and product quality.













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