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The Emerson KJ2201X1-PW1 Intelligent Field Transmitter is a high-performance solution designed to meet the demands of complex industrial processes that require precise and reliable measurement of pressure, flow, and level. Part of the Emerson Rosemount™ family, this transmitter offers unmatched accuracy and diagnostic capabilities, ensuring optimal performance across a wide range of industries. With advanced features, such as real-time diagnostics and seamless integration with control systems like Emerson DeltaV™, the KJ2201X1-PW1 is ideal for industries like oil & gas, chemical processing, power generation, and water treatment. Featuring robust materials and reliable communication protocols such as HART®, FOUNDATION™ fieldbus, and Profibus PA, this transmitter helps improve operational efficiency, minimize downtime, and ensure safe process control.

Technical Specifications

Specification	Details
Model	Emerson KJ2201X1-PW1
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	8.3" x 6.8" x 6.0" (211 mm x 173 mm x 152 mm)
Weight	4.5 lbs (2.04 kg)
Housing Material	Stainless Steel
Ingress Protection	IP66/IP67

Recommended Related Models

For applications requiring more advanced features or greater flexibility, consider these Emerson models:

Emerson KJ2202X1-PW1 – A more advanced version with support for multi-variable measurements, offering enhanced diagnostics and dual input capabilities.
Emerson Rosemount 3051S – A highly versatile multi-variable transmitter ideal for critical applications requiring precision measurements for flow, pressure, and temperature.
Emerson Rosemount 8700 – A magnetic flow meter that offers accurate, non-intrusive flow measurement, often used in industries like chemical processing and food & beverage.

Popular Emerson Models

Emerson’s Rosemount™ series continues to lead the industry with innovative measurement technologies. Popular models include:

Emerson Rosemount 3051 – A trusted multi-variable transmitter for applications requiring pressure, flow, and level measurement with exceptional diagnostics.
Emerson Rosemount 2088 – A cost-effective solution for general-purpose flow and pressure measurement in a variety of industrial applications.
Emerson 1151 – A versatile and widely used transmitter for pressure, temperature, and level measurements across numerous industries.

Applications

The Emerson KJ2201X1-PW1 is designed for precision measurement in several key industrial applications:

Oil & Gas: Measures flow and pressure in pipelines, refineries, and offshore platforms to ensure the safe and efficient transport of oil and gas, with real-time diagnostics to prevent system failures.
Chemical Processing: Monitors pressure, flow, and level in reactors, distillation columns, and process units, ensuring optimal production while maintaining high product quality and process safety.
Power Generation: Helps monitor pressure and flow in turbines, boilers, and cooling systems, contributing to energy efficiency and system reliability in power plants.
Water & Wastewater Treatment: Provides reliable level and flow measurement for wastewater treatment facilities, ensuring the efficient treatment of water and compliance with environmental standards.
Food & Beverage: Used in production lines for precise flow and level measurement, ensuring product consistency and quality while meeting regulatory requirements.

Advantages

High Accuracy: The KJ2201X1-PW1 offers ±0.05% of span accuracy, making it ideal for applications that demand precise pressure, flow, and level measurements.
Advanced Diagnostics: Equipped with Emerson Smart Diagnostics, this transmitter detects potential issues early, enabling proactive maintenance and minimizing unplanned downtime.
Versatile Inputs: It supports differential pressure, flow, and level measurements, providing flexibility to meet various industrial process control needs.
Durability and Reliability: The KJ2201X1-PW1 is constructed with a stainless-steel housing and IP66/IP67 ingress protection, making it resilient in harsh environments and ensuring long-term performance.
Wide Operating Temperature Range: This transmitter operates in temperatures ranging from -40°C to 85°C (-40°F to 185°F), ensuring reliable performance in extreme conditions.
Flexible Integration: With support for HART®, FOUNDATION™ fieldbus, and Profibus PA, the KJ2201X1-PW1 can easily integrate with most modern control systems.

Technical FAQs

What measurement ranges does the KJ2201X1-PW1 support?
The KJ2201X1-PW1 supports flow from 0.01 to 5000 m³/h, pressure up to 15,000 psi, and level from 0 to 100 meters.
Which input types are compatible with the KJ2201X1-PW1?
This transmitter supports differential pressure, flow, and level inputs, making it highly versatile for multi-variable measurement applications.
Which communication protocols are supported by the KJ2201X1-PW1?
The KJ2201X1-PW1 supports HART®, FOUNDATION™ fieldbus, and Profibus PA protocols, allowing for easy integration with modern industrial control systems.
What is the accuracy of the KJ2201X1-PW1?
The KJ2201X1-PW1 provides ±0.05% of span accuracy, offering reliable and precise measurements for critical industrial applications.
What is the operating temperature range for the KJ2201X1-PW1?
The KJ2201X1-PW1 operates in temperatures ranging from -40°C to 85°C (-40°F to 185°F), making it suitable for diverse industrial environments.
What power supply does the KJ2201X1-PW1 require?
The transmitter operates with a 12–42 VDC power supply, offering flexibility for use with various control systems.
Is the KJ2201X1-PW1 suitable for use in hazardous environments?
Yes, with an IP66/IP67 ingress protection rating, the KJ2201X1-PW1 is designed to perform reliably in harsh environments exposed to dust, moisture, and chemicals.
How is the KJ2201X1-PW1 mounted?
The KJ2201X1-PW1 can be installed using pipe-mounting or panel-mounting options, providing flexibility during installation.
Does the KJ2201X1-PW1 offer multi-variable measurement?
Yes, the KJ2201X1-PW1 can simultaneously measure pressure, flow, and level, making it a versatile tool for monitoring complex industrial processes.
Which industries benefit the most from the KJ2201X1-PW1?
The KJ2201X1-PW1 is ideal for industries like oil & gas, chemical processing, power generation, water treatment, and food & beverage, where accurate and reliable measurement of pressure, flow, and level is critical.