Endress+Hauser introduces new iTHERM ModuLine series for precision temperature measurement

June 24, 2025 (Endress+Hauser release) — Endress+Hauser, a global leader in process automation, announces the completion of iTHERM ModuLine, the latest generation of modular thermometers designed for industrial applications. This innovative product line aims to reduce complexity and achieve simplicity, offering unparalleled performance and safety. 

iTHERM ModuLine thermometers are ideal for industries such as chemical, oil and gas, power and energy and water/wastewater. By delivering precise and reliable data, these thermometers help optimize industrial processes, reduce operational risks and enhance overall efficiency. 

In addition, iTHERM ModuLine family covers a wide range of applications, from basic functionality to high-end performance with advanced safety features. It includes thermometers with or without transmitters and displays, and a variety of process connections such as threaded, compression fitted, socket weld, weld-in and flanged. This versatility ensures that iTHERM ModuLine can meet the specific needs of various industries, providing tailored solutions for different operational requirements. 

Key features of iTHERM ModuLine include: 

• Unmatched simplicity: Designed to reduce complexity and achieve simplicity in industrial applications 
• Enhanced safety: Robust sensor designs like iTHERM StrongSens (highest vibration-resistance) and thermowells prevent sensor damage and ensure long-term durability, with additional safety features like Dual Seal (second process barrier) or iTHERM TwistWell (helical design barstock thermowell) 
• Increased efficiency: Unique sensor technologies and thermowell designs such as QuickLink (pipe thermowell), QuickSleeve (insert for barstock thermowells) or iTHERM QuickSens (insert) allow faster response times to temperature changes 
• Effortless handling: iTHERM QuickNeck (divisible extension neck) eases installation and maintenance 
• Perfect fit: A variety of process connections ensure iTHERM ModuLine can meet the specific needs of various industries 

The iTHERM ModuLine product models include:  

• TM101 (metric): Direct contact thermometer without thermowell, basic functionality with best price/performance ratio  
• TM111 (metric)/TM112 (imperial): Direct contact thermometer without thermowell, enhanced with innovative technologies and approvals 
• TM121 (metric): Thermometer with welded thermowell, basic functionality with best price/performance ratio  
• TM131 (metric): Thermometer with welded thermowell, enhanced with innovative technologies and approvals 
• TM151 (metric)/TM152 (imperial): Thermometer with barstock thermowell, enhanced with innovative technologies and approvals 

Additionally, the iTHERM ModuLine thermowell models include:  

• TT151 (metric)/TT152 (imperial): Barstock thermowell with threaded, socket weld, weld-in or flanged process connections 
• TT511 (metric): Barstock thermowell Vanstone design 
• TT131 (metric): Welded thermowell with threaded, weld-in, flanged process connections and compression fittings

To learn more about Endress+Hauser’s temperature offerings, click here.