Rosemount 848TFNAS001 Temperature Transmitter

The Rosemount 848TFNAS001 Temperature Transmitter is a high-density eight‑channel device in the Rosemount 848T family that consolidates eight temperature measurements into a single FOUNDATION Fieldbus instrument. It accepts eight input channels configured for RTD, thermocouple, millivolt (mV), resistance (Ohm), or 4–20 mA signals, enabling dense process monitoring with reduced wiring. The FOUNDATION Fieldbus output provides a digital signal with built‑in AI, MAI, and ISEL function blocks and a Backup Link Active Scheduler for reliable, deterministic communication. Emerson’s Measurement Validation diagnostic is integrated to help predict on‑scale failures and minimize unplanned downtime, and the unit supports up to four configurable alerts for proactive process supervision. A SmartPower module delivers up to 10 years of maintenance‑free operation and allows field replacement without removing the transmitter, simplifying servicing in the field. The 848T enclosure is field‑hardened for harsh environments, and the unit weighs approximately 5 kg, reflecting its rugged build and dense channel count. The 848TFNAS001 designation identifies this FOUNDATION Fieldbus variant of the Rosemount 848T High Density Temperature Measurement Family, engineered for scalable, reliable temperature monitoring across multiple points with robust diagnostics and long‑term operation.