The Rosemount 400-12 Endurance Conductivity Sensor is engineered for precise measurement of electrolytic conductivity in clean, non-corrosive liquids with conductivity levels up to 20,000 µS/cm. ([spartancontrols.com](https://www.spartancontrols.com/products/measurement-instrumentation/liquid-analysis/conductivity/rosemount-400-contacting-conductivity-sensor/?utm_source=openai))
Key Features
- Factory-Measured Cell Constant: Ensures immediate accuracy upon installation, eliminating the need for initial calibration. ([assets.tequipment.net](https://assets.tequipment.net/assets/1/26/Rosemount_400_Manual.pdf?utm_source=openai))
- Direct Insertion Design: Equipped with a front-facing ¾-inch male national pipe thread (MNPT) fitting for straightforward installation into process piping. ([pollardwater.com](https://www.pollardwater.com/product/emerson-process-management-rosemount-8482-3-4-in-01-conductivity-sensor-for-rosemount-1056-controller-e40012/_/R-5092861?utm_source=openai))
- Versatile Installation Options: Suitable for direct insertion or sidestream installations using a pipe tee or flow cell. ([spartancontrols.com](https://www.spartancontrols.com/products/measurement-instrumentation/liquid-analysis/conductivity/rosemount-400-contacting-conductivity-sensor/?utm_source=openai))
- Durable Construction: Features concentric titanium electrodes separated by a PEEK insulator, with a 316 stainless steel body and EPDM O-ring, ensuring longevity and reliability. ([spartancontrols.com](https://www.spartancontrols.com/products/measurement-instrumentation/liquid-analysis/conductivity/rosemount-400-contacting-conductivity-sensor/?utm_source=openai))
- High-Temperature Capability: Optional high-temperature version available, capable of operating up to 392°F (200°C) with an integral junction box. ([spartancontrols.com](https://www.spartancontrols.com/products/measurement-instrumentation/liquid-analysis/conductivity/rosemount-400-contacting-conductivity-sensor/?utm_source=openai))
Specifications
- Model Number: 400-12
- Cell Constant: 0.1/cm
- Temperature Range: Standard: 32 – 221°F (0 – 105°C); High-Temperature Option: 32 – 392°F (0 – 200°C) ([spartancontrols.com](https://www.spartancontrols.com/products/measurement-instrumentation/liquid-analysis/conductivity/rosemount-400-contacting-conductivity-sensor/?utm_source=openai))
- Pressure Range: Up to 250 psig (1825 kPa) ([aeliyamarine.net](https://aeliyamarine.net/product/rosemount-400-12-endurance-conductivity-sensor/?utm_source=openai))
- Materials of Construction: Electrodes: Titanium; Body: 316 Stainless Steel; Insulator: PEEK; O-Ring: EPDM ([spartancontrols.com](https://www.spartancontrols.com/products/measurement-instrumentation/liquid-analysis/conductivity/rosemount-400-contacting-conductivity-sensor/?utm_source=openai))
- Process Connection: ¾-inch MNPT ([pollardwater.com](https://www.pollardwater.com/product/emerson-process-management-rosemount-8482-3-4-in-01-conductivity-sensor-for-rosemount-1056-controller-e40012/_/R-5092861?utm_source=openai))
- Temperature Compensation: Pt-1000 RTD ([assets.tequipment.net](https://assets.tequipment.net/assets/1/26/Rosemount_400_Manual.pdf?utm_source=openai))
The Rosemount 400-12 Endurance Conductivity Sensor is a reliable and durable solution for accurate conductivity measurements in various industrial applications.
