Immersible temperature sensor

Immersible temperature sensor

T-A-Ø / W-A-Ø or T-A-Ø-U / W-A-Ø-U, according to DIN 43772 form 1 (datasheet 8)


  • temperature range -200...+1200 °C
  • Pt100 or thermocouple (TC)
  • standard materials AISI 316L, heat-resistant steel (W 1.4749 etc.), others on request
  • available also with special coating »
  • available also with hardened (solid) tip (length 200 mm)
  • Pt100, accuracy class A, as a standard, more accurate on request
  • TC, class 1 as a standard
  • replaceable MI-construction inner element
  • tailored solutions according to specific needs
  • ATEX-versions Ex i and Ex d available.

Typical Applications

  • Energy and power plant technology
  • Process industry
  • Chemical industry
  • Machinery, plant and vessel construction.

Drawing 1 - version ...D/H...

Dimensions 1, data sheet 8
Dimensions of version ...D/H... with connection head DAN with snap-lock and without hardened tip

Drawing 2 - version ...EXD...U...

Dimensions 2, data sheet 8
Dimensions of version ...EXD...U... with connection head ATEX and hardened tip

Technical data

Thermowell Material

AISI 316L max. temp. +550 °C
Heat-resistant steel 1.4749 or 1.4841 or 1.4845, max. temp. +1100 °C, temporarily +1200 °C 
Other materials available on request
Available also with special coating »

Tolerances Pt100 (EN-60751)

A, tolerance +/- 0,15 + 0,002 x t, operating temperature -100...+450 °C
B, tolerance +/- 0,3 + 0,005 x t, operating temperature -196...+600 °C
B 1/3 DIN, tolerance +/- 1/3 x (0,3 + 0,005 x t), operating temperature -196...+600 °C
B 1/10 DIN, tolerance +/- 1/10 x (0,3 + 0,005 x t), operating temperature -196...+600 °C

Tolerances TC (EN-60584-2)

Type J, tolerance class 1 = -40...375 °C +/- 1,5 °C, 375...750 °C +/- 0,004 x t
Type K and N, tolerance class 1 = -40...375 °C +/- 1,5 °C, 375...1000 °C +/- 0,004 x t

Temperature range Pt100

-200...+550 °C

Temperature range TC

-200...+1200 °C depending on thermocouple type and thermowell material



Quality certificate

ISO 9001:2008 issued by DNV


IP65, higher IP-class on request

Immersible well + sensing element - example code:


Code key, data sheet 8

Click to open the code key image


Pt100 wire colors
Pt100 wire colors
TC type J/K/N wire colors
TC type J/K/N wire colors

Installation example

Installation, data sheet 8
Connection head options

Connection heads

Version D/H with quick release clip and blue epoxy lack finish is our standard, but for certain applications other types are better suited.

Connection heads are also available as accessories or spare parts, please see more on page Connection heads »

Download Format
Immersible temperature sensor .pdf


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