Rosemount 8712 Transmitter

Rosemount 8712 transmitter is the first choice in the field of flow measurement. It meets international standards and has passed SIL 2/3 safety certification. It meets the application requirements of hazardous areas and is suitable for harsh industries. The core components include: excitation coil, electrode, and transmitter. The performance is stable and reliable, and it can provide the best performance in harsh chemical environments, food and beverage, and pharmaceutical industries with strict hygiene requirements.

• Digital signal processing (DSP) technology effectively suppresses fluid noise and external interference, improves signal stability, and ensures long-term accurate and reliable measurement data.
• The transmitter and sensor module are separated, which is easy to install. The transmitter can be replaced online without affecting the production process.
• There are no mechanical moving parts, no lubrication, and almost no daily maintenance, which reduces wear and extends service life.
• A variety of lining and electrode materials are available, which are corrosion-resistant and high-pressure resistant. They are suitable for strong acids, strong alkalis, and highly abrasive media, and can withstand a maximum pressure of 40 bar.
• Built-in advanced self-diagnosis function monitors sensor status in real time, electrode contamination, empty pipe status, signal abnormality and other problems, reducing the risk of unexpected downtime.

• Can measure forward and reverse flow, suitable for pipeline backflow monitoring.
• Automatically identify whether the pipeline is full of liquid to avoid incorrect measurement.
• In addition to flow, it can also output parameters such as conductivity and temperature with additional sensors.
• Optional data logging function to facilitate tracing of historical data.

• Avoid installation near pumps or valves to reduce the impact of turbulence. For outdoor installation, IP67/NEMA 4X protection level should be selected.
• Ensure good grounding to prevent electromagnetic interference.
• Liquid conductivity must be ≥5 μS/cm, otherwise it cannot be measured. Make sure the selected model covers the minimum and maximum flow requirements.
• Check the electrode regularly for scaling and clean or replace it if necessary.
• Select PFA lining + Hastelloy electrode for corrosive media, and Tri-Clamp connection for sanitary industry.

Rosemount 8712 transmitter uses electromagnetic induction technology to accurately measure the volume flow of conductive liquids. When the conductive liquid flows through the magnetic field, an induced voltage proportional to the flow rate is generated. The flow rate can be calculated by measuring the voltage, providing a stable and reliable signal output to meet the needs of industrial automation control.

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