Emerson KJ4001X1-NA1 12P3373X012-3 KJ4001X1-NA1 12P3373X012 4 KJ4001X1-NA1 12P3373X012-1 KJ4001X1-NA1 2

The Emerson KJ4001X1-NA1 Intelligent Field Transmitter is a state-of-the-art device designed to provide precise, reliable, and multi-variable measurements for pressure, flow, and level in demanding industrial environments. With advanced diagnostic capabilities and support for various communication protocols, this transmitter is ideal for industries such as oil & gas, chemical processing, power generation, and water treatment. The KJ4001X1-NA1 offers seamless integration with control systems using HART®, FOUNDATION™ fieldbus, and Profibus PA communication protocols. Built for durability and designed to operate in extreme conditions, the KJ4001X1-NA1 ensures optimal performance, reduced downtime, and improved process efficiency, making it a key component in critical process control applications.

Technical Specifications

Specification	Details
Model	Emerson KJ4001X1-NA1
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	9.3" x 7.2" x 6.5" (236 mm x 183 mm x 165 mm)
Weight	5.7 lbs (2.58 kg)
Housing Material	Stainless Steel
Ingress Protection	IP66/IP67

Recommended Related Models

For enhanced features or alternate configurations, consider the following Emerson models:

Emerson KJ4002X1-NA1 – An upgraded version of the KJ4001X1-NA1, offering additional diagnostics and support for dual-input measurement.
Emerson Rosemount 3051 – A versatile multi-variable transmitter suitable for applications requiring accurate pressure, flow, and temperature measurements.
Emerson Rosemount 8700 – A high-performance magnetic flow meter for industries like chemical processing and water treatment, offering non-intrusive flow measurement.

Popular Emerson Models

Emerson’s Rosemount™ series continues to be the industry standard for precision measurement. Some of the most popular models include:

Emerson Rosemount 3051 – Ideal for multi-variable measurements, the Rosemount 3051 is known for its superior accuracy and diagnostic features in pressure, flow, and temperature applications.
Emerson Rosemount 2088 – A cost-effective and reliable transmitter for pressure and flow measurements, designed for general-purpose applications.
Emerson 1151 – A versatile and durable transmitter used for pressure, level, and temperature measurements across a wide range of industries.

Applications

The Emerson KJ4001X1-NA1 is designed for use in a wide variety of critical industrial applications:

Oil & Gas: Essential for monitoring pressure, flow, and level in pipelines, wellheads, and refining processes, the KJ4001X1-NA1 ensures operational safety and optimizes production in upstream and downstream operations.
Chemical Processing: Provides accurate and reliable measurement of flow, pressure, and level in reactors, distillation columns, and other chemical processing equipment, ensuring process efficiency and product consistency.
Power Generation: Measures flow and pressure in turbines, boilers, and cooling systems, helping optimize energy production while minimizing downtime in power plants.
Water & Wastewater Treatment: Helps monitor flow and level in treatment plants, ensuring effective treatment processes and compliance with environmental regulations.
Food & Beverage: Supports accurate flow and level measurement in production lines, ensuring consistency in product quality and adherence to industry safety standards.

Advantages

Multi-Variable Measurement: The KJ4001X1-NA1 supports the simultaneous measurement of pressure, flow, and level, offering comprehensive monitoring for complex process control applications.
Precision and Accuracy: With ±0.05% of span accuracy, the KJ4001X1-NA1 delivers highly precise data, ensuring reliable control and optimal performance across a range of critical processes.
Advanced Diagnostics: Equipped with Emerson Smart Diagnostics, the transmitter provides real-time feedback and early detection of potential issues, allowing for proactive maintenance and reducing unplanned downtime.
Durability and Reliability: The KJ4001X1-NA1 features a stainless-steel housing with IP66/IP67 ingress protection, making it well-suited for demanding and hazardous environments.
Wide Operating Temperature Range: Operating within a temperature range of -40°C to 85°C (-40°F to 185°F), this transmitter is capable of withstanding extreme industrial conditions.
Flexible Communication Protocols: The KJ4001X1-NA1 supports HART®, FOUNDATION™ fieldbus, and Profibus PA communication protocols, enabling seamless integration with a wide range of industrial control systems.

Technical FAQs

What is the measurement range of the KJ4001X1-NA1?
The KJ4001X1-NA1 measures 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 supported by the KJ4001X1-NA1?
This transmitter supports differential pressure, flow, and level inputs, providing a versatile solution for various industrial applications.
What communication protocols does the KJ4001X1-NA1 support?
The KJ4001X1-NA1 is compatible with HART®, FOUNDATION™ fieldbus, and Profibus PA, allowing easy integration into diverse industrial control systems.
What is the accuracy of the KJ4001X1-NA1?
The KJ4001X1-NA1 provides ±0.05% of span accuracy, ensuring high precision in pressure, flow, and level measurements.
What is the operating temperature range of the KJ4001X1-NA1?
The KJ4001X1-NA1 operates in temperatures ranging from -40°C to 85°C (-40°F to 185°F), making it suitable for use in various industrial environments.
What power supply does the KJ4001X1-NA1 require?
The KJ4001X1-NA1 requires a 12–42 VDC power supply, offering flexibility for use in different industrial setups.
Is the KJ4001X1-NA1 suitable for hazardous environments?
Yes, the KJ4001X1-NA1 features IP66/IP67 ingress protection and a stainless-steel housing, making it ideal for use in harsh and hazardous environments.
How is the KJ4001X1-NA1 mounted?
The KJ4001X1-NA1 can be installed using pipe-mounting or panel-mounting methods, offering flexibility depending on the application.
Does the KJ4001X1-NA1 support multi-variable measurement?
Yes, the KJ4001X1-NA1 supports the simultaneous measurement of pressure, flow, and level, making it ideal for complex process control applications.
Which industries benefit most from the KJ4001X1-NA1?
The KJ4001X1-NA1 is widely used in industries such as oil & gas, chemical processing, power generation, water treatment, and food & beverage, where accurate and reliable multi-variable measurement is essential for optimal process control.