TM131
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Specs at a glance
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Accuracy
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
fastest response time with thermowell t90 starting at below 10 s
depending on configuration -
Max. process pressure (static)
depending on the configuration up to 100 bar
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Operating temperature range
PT100 TF iTHERM StrongSens:
-50 °C ...500 °C
(-58 °F ...932 °F)
PT100 TF iTHERM QuickSens:
-50 °C …200 °C
(-58 °F …392 °F)
PT100 WW:
-200 °C ...600 °C
(-328 °F ...1.112 °F)
PT100 TF:
-50 °C ...400 °C
(-58 °F ...752 °F)
Typ K:
max. 1.100 °C
(max. 2.012 °F)
Typ J:
max. 800 °C
(max. 1.472 °F)
Typ N:
max. 1.100 °C
(max. 2.012 °F) -
Max. immersion length on request
up to 4.500,0 mm (177'')
Field of application
Intrinsically safe temperature sensor (RTD / TC assembly) with manufactured thermowell or for use with existing thermowell. An optional head transmitter with all common communication protocols – Bluetooth® technology inclusive – and special features like iTHERM QuickNeck for tool-free, easy recalibration, vibration-resistant and fast-response sensor and thermowell technology (iTHERM StrongSens, QuickSens) as well as hazardous area approvals ensure enhanced measurement accuracy and reliability.
Universal range of application
Measuring range: –200 to +1.100 °C (–328 to +2.012 °F)
Pressure range up to 100 bar (1450 psi)
Degree of protection: up to IP 68
Vibration-resistant sensor elements up to 60g
Improved ease of maintenance (sensor replacement without process shutdown), easy and safe recalibration of the measuring point
Benefits
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Dual Seal: Second process barrier with failure indication offering valuable health status information
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iTHERM QuickSens: fastest response times 1.5 s for optimum process control
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iTHERM StrongSens: unsurpassed vibration resistance (> 60g) for ultimate plant safety
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iTHERM QuickNeck: cost and time savings thanks to simple, tool-free recalibration
Bluetooth® connectivity (optional)
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International certification: explosion protection according to ATEX, IECEx, CSA C/US and NEPSI
Videos
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Intrinsically safe iTHERM ModuLine TM131 temperature sensor with Dual Seal technology
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Extended selection
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High-end products
- Highly functional and convenient
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 - F
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Fundamental selection
Meet your basic measurement needs
Technical excellence Simplicity - F
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Lean selection
Handle your core processes easily
Technical excellence Simplicity - F
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Extended selection
Optimize your processes with innovative technologies
Technical excellence Simplicity - F
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Xpert selection
Master your most challenging applications
Technical excellence Simplicity Variable
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Measuring principle
Resistance Temperature Detector
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Characteristic / Application
metric style
modular temperature assembly
universal range of application
suitable for hazardous areas
with neck or iTHERM QuickNeck
incl. thermowell / protection tube (metal) or to be installed into thermowell
can be used with iTHERM StrongSens, iTHERM QuickSens insert
for fast response times -
Thermowell / protection tube
welded protection tube or to be used with thermowell
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Insert / probe
mineral insulated (MI), flexible
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Outer diameter protection tube / Insert
Thermowell:
9x1,25 mm
11x2 mm
12x2,5 mm
14x2 mm
16x3,5
1/4" SCH80
1/2" SCH80
1/2" SCH40 -
Max. immersion length on request
up to 4.500,0 mm (177'')
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Material protection tube/ thermowell
316 (1.4401)
316L (1.4404)
316Ti (1.4571)
Alloy 600 (2.4816)
Alloy C276 (2.4819)
Alloy 446 (1.4749)
Alloy 321 (1.4541)
Sheath PTFE
Sheath Tantal -
Process connection
Male thread:
G3/8, G1/2", G3/4", G1"
NPT1/2", NPT3/4", NPT 1"
M14x1.5, M18x1.5, M20x1.5, M27x2, M33x2
R1/2", R3/4"
Female thread:
M20x1.5, M24x1.5
NPT1/2"
Cap-nut:
M20x1.5, G1/2", G3/4"
Compression fitting:
NPT1/2", G1/2", G1"
Flange:
DN15 PN40 B1, C
DN25 PN20, PN40, PN100 B1, B2, C
DN40 PN40 B1
DN50 PN40 B1
ASME 1" 150 RF
ASME 1" 300 RF
ASME 1 1/2" 150 RF
ASME 2" 150 RF
ASME 2" 300 RF -
Tip shape
straight
reduced
tapered
optimized for quick response times -
Surface roughness Ra
< 0.76 μm (0.03 μin)
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Operating temperature range
PT100 TF iTHERM StrongSens:
-50 °C ...500 °C
(-58 °F ...932 °F)
PT100 TF iTHERM QuickSens:
-50 °C …200 °C
(-58 °F …392 °F)
PT100 WW:
-200 °C ...600 °C
(-328 °F ...1.112 °F)
PT100 TF:
-50 °C ...400 °C
(-58 °F ...752 °F)
Typ K:
max. 1.100 °C
(max. 2.012 °F)
Typ J:
max. 800 °C
(max. 1.472 °F)
Typ N:
max. 1.100 °C
(max. 2.012 °F) -
Max. process pressure (static)
depending on the configuration up to 100 bar
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Accuracy
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
fastest response time with thermowell t90 starting at below 10 s
depending on configuration -
Integration head transmitter
yes (4 … 20 mA; HART; PROFIBUS PA; FOUNDATION FIELDBUS)
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Ex - approvals
ATEX Ex ec, Ex tc
ATEX IECEx Ex ta/tb, Ex ia, Ex db
CSA C/US IS, NI, XP, DIP
INMETRO Ex ia, Ex d, Ex tb
NEPSI Ex ia, Ex d, Ex tD
EAC Ex d, Ex ta/tb, Ex ia
UKCA Ex ia, Ex nA, Ex tc -
Certification
SIL, MID, DNV/GL
FilterMost downloaded-
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Technical Information (TI)
TI iTHERM ModuLine TM131
English version - 03/2024
New version available in English
Innovative, highly modular and robust RTD or TC thermometer for a wide range of industrial applications
EN 31/03/202420/03/202315/04/202115/03/202110/12/2018Language:
English
Version:
31/03/2024
File size:
4.8 MB
File name:
TI01373TEN_0624-00.pdf
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Operating Instruction (BA)
BA iTHERM ModuLine thermometer
English version - 11/2024
New version available in English
Universal, modular RTD/TC thermometers for a wide range of industrial applications
EN 30/11/202431/08/2018Language:
English
Version:
30/11/2024
File size:
801.5 KB
File name:
BA01915TEN_0224-00.pdf
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103 documents-
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Technical Information (TI)
TI iTHERM ModuLine TM131
-
Technical Information (TI)
English version - 03/2024New version available in EnglishInnovative, highly modular and robust RTD or TC thermometer for a wide
range of industrial applicationsEN 31/03/202420/03/202315/04/202115/03/202110/12/2018Language:
English
Version:
31/03/2024
File size:
4.8 MB
File name:
TI01373TEN_0624-00.pdf
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Operating Instruction (BA)
BA iTHERM ModuLine thermometer
-
Operating Instruction (BA)
English version - 11/2024New version available in EnglishUniversal, modular RTD/TC thermometers for a wide range of industrial applications
EN 30/11/202431/08/2018Language:
English
Version:
30/11/2024
File size:
801.5 KB
File name:
BA01915TEN_0224-00.pdf
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Short Instruction (KA)
KA iTHERM ModuLine thermometer
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Short Instruction (KA)
English version - 04/2025New version available in EnglishUniversal, modular RTD/TC thermometers for a wide range of industrial applications
EN 01/04/2025Language:
English
Version:
01/04/2025
File size:
502.1 KB
File name:
KA01743TEN_0125-00.pdf
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Ex Safety Instruction (XA)
TM111, TM131, TM611: cCSAus XP DIP NI
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Ex Safety Instruction (XA)
English version - 01/2025New version available in EnglishTM111, TM131: cCSAus XP DIP NI
Language:
English
Version:
27/01/2025
File size:
1.7 MB
File name:
XA01961T_04.25.pdf
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Ex Safety Instruction (XA)
XA iTHERM TM111, iTHERM TM131
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Ex Safety Instruction (XA)
English version - 07/2024New version available in EnglishTM111:
Ex db IIC T1...T6 Gb
Ex tb IIIC T85 °C...T450 °C Db
TM131:
Ex db IIC T1...T6 Ga/Gb
Ex ta IIIC T<sub>200</sub> T85 °C...T<sub>200
</sub> T450 °C Da - Process
Ex tb IIIC T85 °C...T450 °C Db - EnclosureEN 10/07/202427/04/202330/07/2020Language:
English
Version:
10/07/2024
File size:
672.9 KB
File name:
XA02114TEN_0324-00.pdf
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Ex Safety Instruction (XA)
iTHERM TM111, TM131 Control drawing CSA IS, NI, DIP
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Ex Safety Instruction (XA)
English version - 09/2024New version available in EnglishThermometer
Installation Notes for hazardous locations
Intrinsically safe, Nonincendive, Dust ignition proofLanguage:
English
Version:
17/09/2024
File size:
449.6 KB
File name:
XA01976TEN_05.24.pdf
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Ex Safety Instruction (XA)
XA iTHERM TM1x1
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Ex Safety Instruction (XA)
English version - 07/2024New version available in English1Ех d IIC T6…T1 Gb Х
Ga/Gb Ех d IIC T6…T1 Х
Ех tb IIIC 85°C…450°C Db Х
Ех ta/tb IIIC 85°C…450°C Da/Db ХEN 10/07/202430/08/2021Language:
English
Version:
10/07/2024
File size:
671.8 KB
File name:
XA02695TEN_0224-00.pdf
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Ex Safety Instruction (XA)
Installation instructions for separate thermowell
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Ex Safety Instruction (XA)
English version - 03/2023New version available in EnglishInstallation instructions for separate thermowell
Language:
English
Version:
13/03/2023
File size:
707 KB
File name:
XA03117TEN_0123-00.pdf
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Ex Safety Instruction (XA)
XA iTHERM TM111 iTHERM TM131
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Ex Safety Instruction (XA)
English version - 04/2025New version available in EnglishEx ec IIC T6...T1 Gc
EN 21/04/2025Language:
English
Version:
21/04/2025
File size:
441.6 KB
File name:
XA03528TEN_0125-00.pdf
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Ex Safety Instruction (XA)
XA iTHERM TM1x1
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Ex Safety Instruction (XA)
English version - 07/2024New version available in English0Ex ia IIC T6...T1 Ga X
Ga/Gb Ex ia IIC T6…T1 X
Ex ia IIIC T85°C…450°C Da/Db XEN 10/07/202430/08/2021Language:
English
Version:
10/07/2024
File size:
576.2 KB
File name:
XA02696TEN_0224-00.pdf
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