
Specs at a glance
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Accuracy
(Type K) <= 0,5 K
(Type K) <= 0,9 °F
Field of application
The transmitter is designed for the transformation of a thermocouple (TC) sensor signal in a fixed measuring range. The standardized output signal used for process measurement is a 4 to 20 mA signal. This means fast, easy and cost-saving temperature measuring as well as reliable and precise measured values for for a wide range of industry applications.
Fixed range temperature head transmitter for converting a TC input signal into a 4 to 20 mA analog output signal
Input: Thermocouple (TC)
Benefits
High accuracy in complete ambient temperature range
Failure information when sensor breaks or short circuits as per NAMUR NE 43
EMC as per NAMUR NE 21, CE
Ex approval: ATEX Ex ia and dust zone 22 in compliance with EN 50281-1; FM IS; CSA IS
UL recognized component to UL 3111-1
Marine approval
Galvanic isolation
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
Success stories
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Measuring principle
Head transmitter
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Input
1 x TC
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Output
1 x analog 4...20 mA
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Auxiliary power supply
8...35 V DC (standard-version)
8...30 V DC (Ex-version) -
Installation
Terminal head form B
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Accuracy
(Type K) <= 0,5 K
(Type K) <= 0,9 °F -
Galvanic isolation
yes
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Certification
UL Ex IS
UL Ex NI
GOST Ex i
GL marine approval
GOST Metrology
GL (German Lloyd)
ATEX EEx ia, Ex nA, Ex tc, Ex ia
CSA IS, NI
CSA General Purpose
FM IS, NI
FM+CSA IS, NI
EAC Ex ia
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Technical Information (TI)
Technical information Temperature head transmitter iTEMP TC TMT 188
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Technical Information (TI)
English version - 12/2002Universal head transmitter for thermocouples (TC) for installation in a
sensor head Form BEN Select other language 18/12/2002Language:
English
Version:
18/12/2002
File size:
312.7 KB
File name:
ti077ren.pdf
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Short Instruction (KA)
Brief Operating Instructions TMT187, TMT188 TSM187, TSM487
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Short Instruction (KA)
English version - 04/2013Temperaturkopftransmitter iTEMP® Pt100 TMT187, TC TMT188;
Kompaktthermometer Easytemp TSM187, TSM487EN Select other language 18/04/201316/11/200504/11/200417/05/2004Language:
English
Version:
18/04/2013
File size:
192.8 KB
File name:
KA00120Ra3_1313.pdf
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Ex Safety Instruction (XA)
iTEMP TMT181, TMT187, TMT188
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Ex Safety Instruction (XA)
English version - 06/2015FM:
Control Drawing IS, NI
140500111ALanguage:
English
Version:
09/06/2015
File size:
67.3 KB
File name:
140500111A.pdf
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Ex Safety Instruction (XA)
XA iTEMP TMT188
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Ex Safety Instruction (XA)
English version - 07/2024Temperature transmitter
0Ex ia IIC T6...T4 X
1Ex ia IIC T6...T4 Gb XEN Select other language 10/07/202420/03/202005/04/2016Language:
English
Version:
10/07/2024
File size:
449.5 KB
File name:
XA01423TEN_0324-00.pdf
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-
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Ex Safety Instruction (XA)
XA iTEMP TMT181, TMT182, TMT187, TMT188
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Ex Safety Instruction (XA)
English version - 03/2023ATEX:
Ex ia IIIC Dc
Ex tc IIIC Dc
Ex nA IIC GcEN Select other language 13/03/202315/04/201619/08/201501/11/200901/09/2006Language:
English
Version:
13/03/2023
File size:
415.6 KB
File name:
XA00010REN_1523-00.pdf
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-
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Ex Safety Instruction (XA)
ATEX Sicherheitshinweise ATEX Safety instructions
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Ex Safety Instruction (XA)
English version - 02/2004PC-programmierbarer Temperaturkopftransmitter iTEMP PCP TMT181; Montage
im Anschlusskopf Form BEN Select other language 01/02/2004Language:
English
Version:
01/02/2004
File size:
580.4 KB
File name:
Xa004ra3.pdf
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-
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Ex Safety Instruction (XA)
ATEX Safety instructions iTEMP®
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Ex Safety Instruction (XA)
English version - 11/2009Temperature head transmitter iTEMP® TMT181, TMT187, TMT188 Safety
instructions for electrical apparatus certified for use in explosi
on-hazardous areas (II 3D).EN Select other language 01/11/200901/12/2002Language:
English
Version:
01/11/2009
File size:
625.4 KB
File name:
XA026ra3_1109.pdf
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Ex Safety Instruction (XA)
iTEMP TMT181, TMT187, TMT188 ATEX: II 1G: Ex ia IIC T6/T5/T4 Safety Instructions
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Ex Safety Instruction (XA)
English version - 08/2016Safety instructions for electrical apparatus certified for use in
explosion-hazardous areas.EN Select other language 01/08/201601/07/2009Language:
English
Version:
01/08/2016
File size:
974.1 KB
File name:
XA00085RA3_1316.pdf
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Certificates FM/CSA (ZD)
Control drawing FM iTEMP® TMT181, TMT187, TMT188
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Certificates FM/CSA (ZD)
English version - 08/2000Temperature head transmitter iTEMP® TMT181, TMT187 TMT188
Installation Notes for hazardous locationsLanguage:
English
Version:
01/08/2000
File size:
46.3 KB
File name:
140500111.pdf
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Certificates FM/CSA (ZD)
Control Drawing FM iTEMP 181, TMT187, TMT188
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Certificates FM/CSA (ZD)
English version - 08/2015Temperature head transmitter iTEMP TMT181, TMT187, TMT188
Installation Notes for hazardous locationsEN 26/08/201501/01/2001Language:
English
Version:
26/08/2015
File size:
215.2 KB
File name:
140500111A.pdf
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