E+H iTHERM ModuLine TM111 Temperature Sensor

Fits process temperature points that need modular RTD/TC with iTHERM QuickSens fast response, Dual Seal options, measuring span to −200…+1100 °C, pressure to 75 bar, and ATEX/IECEx/CSA explosion-protection codes.

Key advantages

Measuring range — −200 to +1100 °C (−328 to +2012 °F) depending on sensor type; Pt100 WW extended −200 to +600 °C; TC to 1100 °C.
Fast response — Pt100 Class A / Class AA; TC standard/special class per IEC; iTHERM QuickSens t50 0.5 s / t90 1.5 s (ø6 mm).
Sensor design — Modular RTD/TC with iTHERM QuickSens fast-response insert options; Dual Seal technology.
Process pressure — Up to 75 bar (1088 psi) to +200 °C for standard TF/QuickSens Pt100; 50 bar to +400 °C for other sensors.
Approvals — ATEX; IECEx; CSA (explosion protection options).

Typical applications

Hazardous-area temperature measurement needing ATEX/IECEx/CSA thermometer codes.
Fast-response process control where QuickSens t50 0.5 s / t90 1.5 s (ø6 mm) matters.
Extended RTD/TC spans — Pt100 WW to +600 °C; TC options to 1100 °C.
Higher process pressure duties up to 75 bar (sensor/temperature dependent).

Selection guide

Sensor / QuickSens — Confirm Pt100 WW vs QuickSens ø6 mm vs TC before RFQ.
Output — Direct-wired or iTEMP head transmitter 4–20 mA / HART / IO-Link.
Process connection — Threads, compression fittings, and welded variants per ModuLine configurator.
Pressure vs temperature — Standard TF/QuickSens Pt100 to 75 bar at +200 °C; 50 bar to +400 °C for other sensors — lock both.
Ex marks — ATEX; IECEx; CSA (explosion protection options) — state zone/division on the RFQ.

Common mistakes

Ordering TM101 when Ex or QuickSens is required — TM111 is the advanced/Ex ModuLine path.
Ignoring pressure derating with temperature — 75 bar applies to standard TF/QuickSens Pt100 to +200 °C.
Leaving Dual Seal / connection type blank when the process needs welded or compression variants.
Assuming every insert hits 1100 °C — family max depends on sensor type (Pt100 WW extended −200…+600 °C; TC to 1100 °C).

When to RFQ / what to tell us

Sensor type (QuickSens Pt100 vs WW vs TC), insert diameter/length, and response-time need.
Process connection, media T/P, Ex code (ATEX/IECEx/CSA), and iTEMP 4–20 mA/HART/IO-Link yes/no.
Quantity, ship-to, Dual Seal or special connection notes.

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Specs

Spec	Value
SKU	140960
Brand	Endress+Hauser
Model	iTHERM ModuLine TM111
Product type	rtdtcthermometer
Measuring Range	−200 to +1100 °C (−328 to +2012 °F) depending on sensor type; Pt100 WW extended −200 to +600 °C; TC to 1100 °C
Accuracy	Pt100 Class A / Class AA; TC standard/special class per IEC; iTHERM QuickSens t50 0.5 s / t90 1.5 s (ø6 mm)
Sensor Type	Modular RTD/TC with iTHERM QuickSens fast-response insert options; Dual Seal technology
Output Signal	Direct-wired or iTEMP head transmitter 4–20 mA / HART / IO-Link
Process Pressure	Up to 75 bar (1088 psi) to +200 °C for standard TF/QuickSens Pt100; 50 bar to +400 °C for other sensors
Ingress Protection	Up to IP66 / partly IP68 depending on design
Process Connection	Threads, compression fittings, and welded variants per ModuLine configurator
Approvals	ATEX; IECEx; CSA (explosion protection options)
Notes	Specs from E+H TI01445TEN (iTHERM ModuLine TM111) + BA01915TEN.

Documents

Endress+Hauser iTHERM ModuLine TM111 operating instructions (PDF)

FAQ

Q: When do I need TM111 instead of TM101? A: When you need QuickSens response, higher T/P options, Dual Seal, or ATEX/IECEx/CSA marks — TM101 is the non-hazardous basic offering.

Q: How fast is QuickSens? A: iTHERM QuickSens lists t50 0.5 s / t90 1.5 s for ø6 mm inserts — confirm diameter on the ordered string.

Q: What should I send for a quote? A: Sensor type, T/P, Ex code, connection, transmitter, quantity. Compatible with systems using E+H iTHERM ModuLine TM111 — we do not claim authorized-dealer status.