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The Rosemount 3144P temperature transmitter, which uses the HART protocol, boasts measurement accuracy, stability, and reliability, making it the industry standard for temperature transmitters in control/safety applications. The Rosemount 3144P has the dual capability to support single-sensor input and dual-sensor input. The dual sensor input capability allows the transmitter to receive input signals from two separate sensors simultaneously. A dual-sensor configuration can be used to measure temperature differences, average temperatures, or for redundant temperature measurement. Rosemount has won the trust of its users. Chinese customers evaluate Rosemount’s 3051 transmitter as follows: Our factory has been using Rosemount’s original 3051 transmitters since the late 1970s; we are among the first users of this type of transmitter in China. Over the past two decades, we have continuously purchased and used 3051 transmitters in many of our devices. Starting with the initial models that consisted of discrete components and three circuit boards, with an accuracy of 0.25%, to the modern intelligent 3051 transmitters that use a single large-scale multi-layer integrated circuit and offer an accuracy of 0.1%. In total, we have used nearly 600 2051 transmitters and 200 3051 transmitters. We have clearly seen Rosemount’s continuous and successful improvements in these transmitters over time. In recent years, we have also used products from many other companies. Through comparison, we have decided that going forward we will primarily consider using Rosemount’s 2051 and 3051 transmitters. In our experience, aside from technical specifications such as accuracy and range ratio, Rosemount’s pressure transmitters excel in terms of stability and reliability, with an extremely low failure rate. When it comes to resistance to lightning-induced disturbances, transmitters from other companies sometimes get damaged, but this has never happened with Rosemount’s pressure transmitters. We are very satisfied with Rosemount’s 2051 and 3051 transmitters. Temperature transmitters for control/safety applications. A single transmitter can support both single-sensor and dual-sensor configurations. Enhanced EMI resistance and filtering capabilities ensure stability in process measurements. Third-party certification for safety instrumented systems (SIS) in accordance with IEC61508 standards. 5 years of operational stability in industrial environments, resulting in reduced maintenance costs. Hot Backup® and sensor drift warning features improve the long-term reliability of measurements. The matching of transmitters and sensors eliminates errors related to sensor interchangeability, increasing measurement accuracy by 75%. Dual outdoor enclosures ensure reliability even in harsh conditions. An integrated LCD display with a large screen facilitates easy reading. 1. Hot Backup®: Enhances process reliability by providing sensor redundancy. By automatically switching to a backup sensor when the main sensor fails, Hot Backup® reduces the risk of losing important temperature measurements by 80%. When configuring with the Hot Backup? feature, the 3144P and 3244MV models based on the FOUNDATION Fieldbus are used to: accept two temperature inputs from dual-element sensors or two separate sensors – RTDs, thermocouples, or hybrids; output the temperature of the primary element as the process variable; monitor the temperature of the secondary element using the Hot Backup? feature; ensure continuous transmission from the primary element to the secondary element in the event of a failure of the main sensor – with the mA output remaining unaffected; and alert the user that the Hot Backup? feature is active. This warning is displayed on the transmitter’s LCD screen, or it is sent via a HART communicator with AMS or a Type 275 HART communicator. The compatibility between transmitters and sensors – such as the Rosemount 3144P model, as well as the Foundation Fieldbus-based 3244MV and 644 temperature transmitters – enables error levels in temperature measurements to be reduced by more than 75%. The interchangeability error of sensors is one of the main components contributing to temperature measurement errors. Rosemount’s unique transmitter-sensor matching feature eliminates sensor interchangeability errors and **improves the overall accuracy of temperature measurements. How can this be achieved? All temperature transmitters, DCS, and PLCs use ideal sensor curves to convert sensor signals into temperature. Errors occur in temperature measurement because there is a difference between the actual temperature sensor and the ideal one. At a process temperature of 300 °C (572 °F), the sensor interchangeability error for platinum RTDs is 1.8 °C (3.24 °F)! The Rosemount temperature transmitter is a transmitter available on the market that can eliminate sensor interchangeability errors. By using the Callendar-Van Dusen constants generated from the calibration data of specific RTDs, the Model 3144, as well as the 3244MV and 644 models with Fieldbus, can utilize the actual transmitter curves to convert sensor signals into temperature, thereby eliminating sensor interchangeability errors and significantly reducing the overall measurement error! 3. Stability of temperature transmitters over 5 years: The Rosemount 3144P meets industry-specific technical specifications, ensuring stability over 5 years while also enhancing reliability and reducing maintenance costs. Thanks to the integrated built-in diagnostic technology, only regular maintenance of the instrument is required, eliminating sudden occurrences of process shutdowns. 4. Temperature transmitter dual outdoor enclosure: The dual outdoor enclosure consists of a sealed compartment for the electronic components and a separate compartment for the terminals. It provides protective isolation between the sensitive electronic components of the transmitter and the terminal compartment from the harsh operational conditions and factory environment, thereby enhancing the reliability of the transmitter even in environments with severe corrosion, humidity, and radio frequency interference.