The Rosemount 2088 is a smart, microprocessor-based temperature transmitter manufactured by Emerson Automation Solutions, designed to provide reliable, accurate, and stable temperature measurement for a vast array of industrial processes. It represents a modern evolution in temperature instrumentation, combining the trusted Rosemount performance with advanced features that simplify installation, enhance safety, and reduce the total cost of ownership. This two-wire transmitter is engineered to interface directly with industry-standard resistance temperature detectors (RTDs) and thermocouples, converting their delicate millivolt or resistance signals into a robust, standardized 4-20 mA output signal with superimposed digital HART communication.
At the core of the Rosemount 2088's performance is its exceptional measurement accuracy, typically as high as ±0.1°C or ±0.05% of span for RTD inputs. This high degree of precision is achieved through advanced signal conditioning, sophisticated algorithms for sensor linearization, and highly stable reference junctions for thermocouple compensation. Such accuracy is critical for applications where temperature is a key process variable affecting product quality, yield, safety, or energy efficiency, such as in chemical reactors, distillation columns, or power generation systems.
A defining feature of the 2088 is its innovative and compact design. The transmitter utilizes a unique, modular approach where the electronics core, known as the "Turbulence Module," can be easily inserted and removed from the connection head without the need for any tools. This revolutionary design allows for a completely hot-swappable operation. In the event of a required maintenance or configuration change, the electronics module can be safely swapped out in seconds while the process is still hot and under pressure, dramatically minimizing process downtime and enhancing operational safety by keeping the sensor and thermowell isolated from the environment.
The device is housed in a robust, field-proven cast aluminum enclosure that provides superior protection against harsh environmental conditions, with a rating of NEMA 4X / IP66. This ensures reliable operation in the presence of moisture, dust, and corrosive atmospheres. For user interaction, the 2088 offers multiple intuitive options. It features an integrated Near-Field Communication (NFC) interface, allowing users to quickly and securely configure the transmitter using a smartphone or tablet running the Rosemount Connect app. This eliminates the need for a traditional handheld communicator in many scenarios. Additionally, a local operator interface (LOI) with a bright, dot-matrix display provides clear visibility of the temperature reading and status information directly at the point of installation.
Communication is facilitated via the ubiquitous 4-20 mA analog loop with HART Protocol (Version 7). This allows the transmitter to not only send the primary temperature value but also a wealth of diagnostic and status information. This bi-directional digital communication enables remote configuration, calibration, and troubleshooting from the control room or any point on the loop, integrating seamlessly with asset management systems like Emerson's AMS Suite for predictive maintenance strategies.
The Rosemount 2088 is designed with comprehensive diagnostics to ensure process integrity and transmitter health. It can detect and alert users to common issues such as sensor burnout, short circuits, out-of-range readings, and module insertion errors. This proactive approach to diagnostics helps prevent unscheduled shutdowns and allows for planned maintenance, increasing overall plant availability.
| Category | Details |
|---|---|
| Product Name | Emerson Rosemount 2088 Temperature Transmitter |
| Device Type | Smart, microprocessor-based, two-wire temperature transmitter |
| Sensor Compatibility | Direct connection to RTDs (Resistance Temperature Detectors) and Thermocouples |
| Output Signal | Standardized 4–20 mA analog with superimposed HART Protocol (v7) |
| Accuracy | - Up to ±0.1°C or ±0.05% of span (RTD inputs)- Achieved via advanced signal conditioning, linearization algorithms, and stable reference junctions |
| Key Features | - Converts delicate millivolt/resistance signals into robust, standardized signals- High stability and reliability for critical applications |
| Innovative Design | - Modular “Turbulence Module” electronics core- Hot-swappable: module can be replaced while process is running and pressurized- No tools required for replacement |
| Housing & Protection | - Rugged cast aluminum enclosure- Protection rating: NEMA 4X / IP66- Resistant to dust, moisture, and corrosive atmospheres |
| User Interface Options | - NFC (Near-Field Communication) configuration via smartphone/tablet with Rosemount Connect app- Local Operator Interface (LOI) with bright dot-matrix display for readings & status |
| Communication | - 4–20 mA with HART bi-directional digital communication- Supports remote configuration, calibration, and diagnostics- Seamless integration with Emerson AMS Suite for predictive maintenance |
| Diagnostics | - Detects sensor burnout, short circuits, out-of-range signals, and module errors- Proactive alerts to prevent unscheduled shutdowns- Supports planned maintenance strategies |
| Main Advantages | - High accuracy & stability in critical temperature control- Hot-swappable core → reduced downtime & improved safety- Tool-less maintenance for faster servicing- Advanced NFC & LOI simplify configuration |
| Target Applications | Oil & Gas, Chemical Processing, Pharmaceuticals, Power Generation, and other industries where precise temperature control is essential |
| Overall Summary | A versatile, accurate, and intelligent temperature transmitter with hot-swappable modular design, advanced diagnostics, and modern communication options, ensuring high reliability, safety, and lower total cost of ownership. |
In summary, the Rosemount 2088 is a versatile, highly accurate, and intelligent temperature transmitter. Its tool-less, hot-swappable design sets a new standard for ease of maintenance and safety in temperature measurement. Coupled with its advanced NFC configuration, robust construction, and powerful HART communication, the 2088 delivers unparalleled reliability and a significantly lower total cost of ownership. It is an ideal solution for demanding applications across industries such as oil and gas, chemical processing, pharmaceuticals, and power generation, where precise temperature control is paramount to safe and efficient operations.
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