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The Emerson KJ3225X1-BA1 Digital Temperature Transmitter is an advanced, high-accuracy instrument designed for industrial temperature measurement and control. Part of Emerson’s trusted Rosemount™ series, this transmitter is engineered to provide precise and reliable temperature readings in harsh environments. Equipped with advanced diagnostics and offering flexible communication options, the KJ3225X1-BA1 integrates effortlessly with most process control systems, such as Emerson DeltaV™. This makes it an ideal choice for industries that demand accuracy, efficiency, and durability in temperature measurement, including chemical processing, oil & gas, and food and beverage manufacturing.

Technical Specifications

Specification	Details
Model	Emerson KJ3225X1-BA1
Module Type	Digital Temperature Transmitter
Measurement Range	-200°C to 850°C (-328°F to 1562°F)
Input Type	RTD (Resistance Temperature Detector)
Communication Protocol	HART®, FOUNDATION™ fieldbus, Profibus PA
Output Signal	4–20 mA, Digital (HART)
Accuracy	±0.1% of Reading
Response Time	< 1 second
Power Supply	12–42 VDC
Dimensions	6.0" x 5.0" x 4.2" (152 mm x 127 mm x 107 mm)
Weight	2.3 lbs (1.05 kg)
Housing Material	Stainless Steel
Ingress Protection	IP66/IP67

Recommended Related Models

If you're looking for additional temperature measurement options or more advanced features, consider these related Emerson models:

Emerson KJ3225X2-BA1 – For more extended temperature ranges and dual-input capabilities.
Emerson Rosemount 248 – Advanced temperature transmitter for critical applications with superior diagnostics.
Emerson 3051S – Precision transmitter for differential pressure, temperature, and level measurement.

Popular Emerson Models

Emerson’s Rosemount™ line offers a broad selection of instrumentation suited for various industrial processes. Here are a few popular models:

Emerson Rosemount 3144P – A standard transmitter with high accuracy for general temperature measurement applications.
Emerson Rosemount 644 – An advanced temperature and process transmitter with a broad range of communication options.
Emerson Rosemount 3051 – Reliable transmitter for pressure, level, and temperature applications across diverse industries.

Applications

The Emerson KJ3225X1-BA1 is designed to perform in industries where precise and consistent temperature measurement is critical for operations:

Oil & Gas: Accurate temperature measurements for well monitoring, refinery processes, and pipeline systems.
Chemical Processing: Maintains consistent temperature control in reactors, distillation columns, and other chemical production processes.
Food & Beverage: Ensures accurate temperature monitoring in pasteurization, brewing, and food packaging.
Pharmaceuticals: Critical for maintaining temperature control in sterile manufacturing and storage environments.
Power Generation: Optimizes temperature measurement for turbines, boilers, and cooling systems.

Advantages

High Accuracy: With an accuracy of ±0.1% of reading, the KJ3225X1-BA1 provides reliable temperature measurements for critical industrial processes.
Fast Response Time: A response time of less than 1 second ensures quick and reliable temperature readings, crucial for dynamic processes.
Multiple Communication Protocols: HART®, FOUNDATION™ fieldbus, and Profibus PA protocols allow seamless integration into diverse control systems.
Rugged and Durable: Constructed with stainless steel housing and rated for IP66/IP67, it is built to withstand harsh industrial conditions, offering long-term reliability.
Versatile Power Supply: Operates within a wide power supply range of 12–42 VDC, making it compatible with most industrial setups.

Technical FAQs

What is the temperature range of the Emerson KJ3225X1-BA1?
The KJ3225X1-BA1 has a wide temperature measurement range from -200°C to 850°C (-328°F to 1562°F), making it suitable for a variety of applications.
What types of inputs does the KJ3225X1-BA1 support?
The transmitter is designed to work with RTD (Resistance Temperature Detector) inputs, commonly used in precision temperature measurement.
Which communication protocols are available with this transmitter?
The KJ3225X1-BA1 supports HART®, FOUNDATION™ fieldbus, and Profibus PA protocols, ensuring compatibility with various industrial control systems.
What is the accuracy of the KJ3225X1-BA1?
This transmitter offers an accuracy of ±0.1% of the reading, providing precise and reliable temperature measurements.
How fast is the response time of the KJ3225X1-BA1?
The KJ3225X1-BA1 responds in less than 1 second, making it ideal for high-speed, dynamic temperature measurements.
What is the power supply requirement for the KJ3225X1-BA1?
The transmitter requires a 12–42 VDC power supply, compatible with most industrial control systems.
Can the KJ3225X1-BA1 be used in hazardous environments?
Yes, the unit is rated for IP66/IP67 protection, making it resistant to dust and water, and suitable for use in harsh industrial environments.
What are the dimensions of the KJ3225X1-BA1?
The transmitter measures 6.0" x 5.0" x 4.2" (152 mm x 127 mm x 107 mm) and is compact enough for easy installation in tight spaces.
Is the KJ3225X1-BA1 suitable for food and beverage applications?
Yes, its accuracy and rugged design make it perfect for food and beverage production, including pasteurization and brewing.
What industries benefit most from using the KJ3225X1-BA1?
This model is ideal for industries such as oil & gas, chemical processing, food & beverage, pharmaceuticals, and power generation, where high-precision temperature monitoring is crucial for process optimization.