E+H iTHERM SurfaceLine TM611 Surface thermometer

$600.00

Non‑invasive RTD/TC surface thermometer suitable for demanding industrial temperature measurement — accurate, safe and easy to install without process penetration. Typical Applications:
• Process temperature monitoring where invasive thermometers are difficult or costly to install
• Retrofitting temperature measurement on existing pipework
• Energy, heat exchanger and safety monitoring across industries
• Applications with corrosive, abrasive or high‑velocity fluids where leakage risk must be minimized

Not Recommended For:
• Simple temperature measurement where invasive thermometers are already suitable
• Applications without need for non‑invasive mounting

Selection Notes

• Confirm if a non‑invasive surface thermometer is preferable to an invasive thermowell solution
• Evaluate pipe material and insulation requirements for optimal thermal coupling
• Understand that advanced thermal coupling element ensures high accuracy similar to invasive devices
• Ideal for standard and demanding industrial environments with external pipe surface mounting

Why Choose iTHERM SurfaceLine TM611

• Accurate and fast temperature measurement without process penetration
• Eliminates leakage risk and flow disruption from thermowell installations
• Cost and time savings in engineering, installation and certification
• Easy subsequent installation on existing pipes with minimal plant downtime
• Compatible with standard iTEMP temperature transmitters and communication protocols
• Suitable across heavy industries including chemical, energy, hydrogen, HVAC and utilities

FAQ

Q: How does a non‑invasive thermometer compare to an invasive sensor?
A: iTHERM SurfaceLine TM611 offers accuracy and response time comparable to invasive thermometers without the need for process penetration.

Q: Does TM611 require insulation on the pipe surface?
A: Proper insulation of the measuring point helps minimize ambient influences and improves accuracy.

Q: Can this thermometer be used on any pipe size?
A: Yes — versions are available for a wide range of pipe diameters and materials.

Q: Is this suitable for retrofitting existing installations?
A: Yes — it’s designed specifically to allow temperature measurement without cutting or opening the process line.

Measuring principle

Resistance Temperature Detector

Characteristic / Application

non-invasive thermometer
cable probe or modular thermometer
suitable for high process pressures
surface mounting

Thermowell / protection tube

without (not intended to use with thermowell)

Insert / probe

non exchangeable RTD or TC insert

Process connection

surface mounting

Operating temperature range

-196 °C…400 °C (-320,8 °F…752 °F)

Accuracy

depending on application
Class AA acc. to IEC 60751
Class A acc. to IEC 60751
Class B acc. to IEC 60751
Class special or standard acc. to ASTM E230
Class 1 or 2 acc. to IEC 60584-2

Response time

depending on application

Integration head transmitter

yes (4 … 20 mA; HART; iO-Link, PROFINET, PROFIBUS PA; FOUNDATION FIELDBUS)

Ex - approvals

ATEX IECEx Ex tb, Ex ia, Ex db
CSA C/US IS, NI
UKCA Ex tb, Ex ia, Ex db
NEPSI Ex ia, Ex d
KC Ex d, Ex ia, Ex tb

Certification

SIL, MID, Marine

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