

Specs at a glance
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Accuracy
Class A acc. to IEC 60751
Class B acc. to IEC 60751
Class standard acc. to ASTM E230
Class 2 acc. to IEC 60584-2 -
Response time
t90 around 100 s
depending on configuration -
Max. process pressure (static)
depending on the configuration
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Operating temperature range
Basic PT100 TF:
-50 °C …200 °C
(-58 °F …392 °F)
Typ K:
max. 1.100 °C
(max. 2.012 °F) -
Max. immersion length on request
up to 1.000,0 mm (39'')
Field of application
RTD or TC assembly characterized by basic sensor technology, application in non-hazardous areas, standard extension neck, low-cost unit. The devices are available with optional Bluetooth®-enabled head transmitters with 4 to 20 mA output or HART® communication, providing enhanced measurement accuracy and reliability compared to directly wired sensors.
Universal range of application
Application in non-hazardous areas
Measuring range: –50 to +650 °C (–58 to +1202 °F)
Pressure range up to 50 bar (725 psi)
Degree of protection: up to IP 68
Benefits
Economical, reliable measurement
User-friendly from product selection to maintenance
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Wide range of process connections
Easy and safe device setup and service using Bluetooth® communication
Fundamental selection
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Simple products
- Easy to select, install and operate
Technical excellence
Simplicity

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Standard products
- Reliable, robust and low-maintenance
Technical excellence
Simplicity
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Specialized products
- Designed for demanding applications
Technical excellence
Simplicity
Variable
FLEX selections | Technical excellence | Simplicity |
---|---|---|
Fundamental selection Meet your basic measurement needs |
Technical excellence
|
Simplicity
|
Lean selection Handle your core processes easily |
Technical excellence
|
Simplicity
|
Extended selection Optimize your processes with innovative technologies |
Technical excellence
|
Simplicity
|
Xpert selection Master your most challenging applications |
Technical excellence
|
Simplicity
Variable |
Predecessor
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Technical Information (TI)
iTHERM ModuLine TM121
Thermometer with RTD or TC insert complete with protection tube manufactured from pipe or tube material
EN 15/06/202231/03/202115/04/2019Language:
English
Version:
15/06/2022
File size:
2 MB
File name:
TI01455TEN_0322-00.pdf
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Operating Instruction (BA)
Modular thermometers Operating Instructions
Universal modular thermometers with RTD or TC insert for industrial applications
EN 31/08/2018Language:
English
Version:
31/08/2018
File size:
611.3 KB
File name:
BA01915TEN_0118.pdf
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Ex Safety Instruction (XA)
TRxx, TCxx, TS211, iTHERM TS111, TM211, TPx100, TSx310, TM1x1, TM411, TM412
Thermometers and inserts Ex nA IIC T6...T1 Gc
EN 31/07/2020Language:
English
Version:
31/07/2020
File size:
173.5 KB
File name:
XA02111TEN_0120.pdf
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Special Documentation (SD)
SD IEC 61406-1
Automatic identification of physical objects
EN 10/05/202303/12/202101/11/2021Language:
English
Version:
10/05/2023
File size:
649 KB
File name:
SD02817TEN_0323-00.pdf
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Special Documentation (SD)
Device viewer
Technical documentation in other languages
Language:
English
Version:
14/07/2021
File size:
478.5 KB
File name:
SD02429R09EN_0121.pdf
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PU (Publication)
Temperatur und Systemprodukte für Kraftwerke & Energie, Chemie und Öl & Gas
Temperatur und Systemprodukte für Kraftwerke & Energie, Chemie und Öl & Gas Enthält iTHERM ModuLine, iTHERM MultiSens, iTEMP Temperaturtransmitters, Systemprodukte
Language:
German
Version:
02/06/2023
File size:
6.7 MB
File name:
PU01318T_04.23_DE_PECHOG_Booklet.pdf
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PU (Publication)
Temperature and system products for Power & Energy, Chemical and Oil & Gas including iTHERM ModuLine, iTHERM MultiSens, iTEMP temperature Transmitters, system products
Temperature and system products for Power & Energy, Chemical and Oil & Gas including innovative iTHERM ModuLine, iTHERM MultiSens temperature assemblies, iTEMP temperature transmitters and system products
Language:
English
Version:
02/06/2023
File size:
6.7 MB
File name:
PU01318T_04.23_EN_PECHOG_Booklet.pdf
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Manufacturer Declaration
Product family: Process RTD general purpose
Product root: TM121- Declaration number: HE_01246_01.20 Manufacturer specification: RoHS Additional information: China RoHS
Language:
Chinese
Version:
06/03/2020
File size:
324.8 KB
File name:
HE_01246_01.20 China RoHS TM121.pdf
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Manufacturer Declaration
Product family: Accessories: Bar stock thermowell, Accessories: Pipe thermowell, Accessories: Inserts, Magphant, Process RTD general purpose, Process RTD hygienic, RTD thermometer
Product root: DTT31-, DTT35-, TK40-, TM101-, TM111-, TM121-, TM131-, TM311-, TM371-, TM372-, TM401-, TM402-, TM411-, TM412-, TMR35-, TS111-, TS212-, TT131-, TT151-, TT411-, TT412- Declaration number: HE_01494_01.21 Manufacturer specification: Food hygiene Additional information: BSE, TSE
Language:
English
Version:
27/07/2023
File size:
266 KB
File name:
HE_00886_07_17.pdf
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EU Declaration
Product family: Low cost RTD general purpose, Process RTD direct contact, Process RTD general purpose, Process RTD heavy duty, Proce ss RTD hygienic, Process TC direct contact, Process TC general purpose, Process TC heavy duty
Product root: TAF11-, TAF12D-, TAF12S-, TAF12T-, TAF16-, TC10-, TC12-, TC13-, TC15-, TC61-, TC62-, TC63-, TC65-, TC66-, TC88-, TEC42 0-, TM101-, TM111-, TM121-, TM131-, TM401-, TM402-, TM411-, TM412-, TR10-, TR11-, TR12-, TR13-, TR15-, TR24-, TR25-, TR44-, TR45-, T R46-, TR47-, TR48-, TR61-, TR62-, TR63-, TR65-, TR66-, TR88-, TST40N-, TST41N-, TST434- Declaration number: EC_00136_03.21
EN 20/12/2021Language:
English
Version:
20/12/2021
File size:
149.2 KB
File name:
EC_00136_03.21.pdf
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