
Rosemount™ 3144P Temperature Transmitter: Comprehensive Product Overview
1. Introduction and Product Positioning
The Rosemount™ 3144P Temperature Transmitter by Emerson is a state-of-the-art instrument designed for industry-leading accuracy, stability, and reliability in critical temperature measurement applications. It integrates advanced diagnostics, universal sensor compatibility, and innovative Rosemount X-well™ Technology to eliminate the need for traditional process penetrations or thermowells. This transmitter is engineered for sectors demanding high precision, including oil and gas, chemical processing, power generation, and marine industries, where safety and operational integrity are paramount .



| Category | Specifications |
| Input | Dual/single sensor capability; universal inputs for RTD, thermocouples (T/C), mV, and ohms . |
| Output Signal | 4-20 mA with HART® protocol or FOUNDATION™ Fieldbus protocol. |
| Housing | Dual-compartment, field-mount design for enhanced environmental protection . |
| Display | Large LCD with percent range graph, tactile buttons/switches for configuration . |
| Diagnostics | Hot Backup™, sensor drift alerts, thermocouple degradation monitoring, min/max tracking . |
| Calibration | Transmitter-sensor matching (Callendar-Van Dusen constants), custom trim . |
| Certifications | SIL 2/3 (IEC 61508), hazardous locations (ATEX/IECEx), marine type approvals. |
Industry-leading accuracy and reliability for best performance in critical control and safety applications
Transmitter-sensor matching improves measurement accuracy up to 75%
5-year long-term stability extends calibration intervals to reduce trips to the field
Rosemount X-well Technology measures temperature without a process penetration for reduced design, installation and maintenance costs
Dual compartment housing provides superior protection in harsh environments
Hot Backup™ capability and sensor drift alert utilizing dual sensors ensure measurement integrity
Thermocouple degradation diagnostic monitors thermocouple health to detect degradation before failure
Minimum and maximum temperature tracking allows monitoring of temperature extremes for easy troubleshooting
Transmitter supports multiple protocols for integration in many host environments across many industries
Device dashboards provide easy interface for simplified device configuration and diagnostic troubleshooting
