



The Emerson KJ3221X1-EA1 Intelligent Field Transmitter is a state-of-the-art device designed to provide high-accuracy measurements for pressure, flow, and level across a wide range of industrial applications. Utilizing Emerson’s renowned Rosemount™ technology, this model is built to meet the demanding needs of industries such as oil & gas, chemical processing, power generation, and water treatment. With its multi-variable measurement capabilities, real-time diagnostics, and robust communication protocols, the KJ3221X1-EA1 offers an advanced solution for process control, helping operators achieve optimal efficiency, reduce downtime, and enhance safety. The KJ3221X1-EA1 is engineered to perform reliably in the harshest environments, ensuring accurate data even under extreme conditions.
Technical Specifications
| Specification | Details |
|---|---|
| Model | Emerson KJ3221X1-EA1 |
| Module Type | Intelligent Field Transmitter |
| Measurement Range | 0.01 to 5000 m³/h (Flow), 0–15,000 psi (Pressure), 0–100 meters (Level) |
| Input Type | Differential Pressure, Flow, Level |
| Communication Protocol | HART®, FOUNDATION™ fieldbus, Profibus PA |
| Output Signal | 4–20 mA, Digital (HART) |
| Accuracy | ±0.05% of Span |
| Temperature Range | -40°C to 85°C (-40°F to 185°F) |
| Power Supply | 12–42 VDC |
| Dimensions | 9.6" x 7.5" x 7.0" (244 mm x 190 mm x 178 mm) |
| Weight | 3.20 kg (7.05 lbs) |
| Housing Material | Stainless Steel |
| Ingress Protection | IP66/IP67 |
Recommended Related Models
For those seeking more advanced features or different configurations, here are some related models from Emerson:
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Emerson KJ3221X1-EB1 – A more advanced model with extended diagnostic capabilities and improved accuracy for complex multi-variable measurement systems.
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Emerson Rosemount 3051 – This well-established multi-variable transmitter is perfect for applications requiring high-accuracy pressure, flow, and temperature measurements.
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Emerson Rosemount 8700 – Designed for non-intrusive flow measurement, ideal for applications requiring minimal maintenance and high accuracy.
Popular Emerson Models
Emerson’s Rosemount™ series is widely trusted across various industries for its outstanding accuracy and reliability. Here are some of the most popular models:
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Emerson Rosemount 3051 – A versatile and reliable multi-variable transmitter for pressure, flow, and temperature measurement across numerous industries.
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Emerson Rosemount 2088 – Offers excellent performance for pressure and flow measurement, widely used in process control applications.
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Emerson 1151 – A general-purpose transmitter for measuring pressure, level, and temperature, designed for demanding industrial environments.