Acid proof resistance sensor


Acid proof resistance sensor is designed for food industry.
EPIC® SENSORS products can be customized according to your needs!


  • Temperature sensor for hygienic installations
  • All parts made of acid proof steel
  • Temperature range -200...+550 °C
  • Pt100 accuracy class A as a standard, more accurate on request
  • Mounting by welding or with clamp connection
  • Thermowell material according to the application
  • Replaceable inner element, MI-construction, vibration proof
  • Tailored solutions according to specific needs

Typical Applications

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

Check out all our Temperature Sensors!

Drawing 1 - version ...CLAMP...

Dimensions 1, data sheet 13
Dimensions of version ...CLAMP... with clamp flange thermowell

Drawing 2 - version ...S...

Dimensions 2, data sheet 13
Dimensions of version ...S... with welded ball thermowell

Technical data

Thermowell material

AISI 316L, max. temp. +550 °C, temporarily +600 °C
other materials on request

Tolerances Pt100 (IEC 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

Temperature range Pt100

-200...+550 °C



Quality certificate

ISO 9001:2015 issued by DNV


IP65, higher IP-class on request

Hygienic well + Pt100 sensing element - example code:


Code key, data sheet 13
Click to open the code key image for non-certified versions


Pt100 wire colors
Pt100 wire colors

Installation example

Installation, data sheet 13
Installation example of the welded version S.


Lapp Automaatio now offers the possibility to install the IoTKey® wireless measurement and remote monitoring system in hazardous industrial environments.

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From Monday December 30 onward, it's business as usual again.

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The update will begin on Thursday Nov 28th at 4 pm and end on Tuesday Dec 3rd at 8 am.

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