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Sensirion AG

Laubisruetistrasse 50

8712 Staefa,

Switzerland

RoHS, REACH and Hal-Free - Declaration

We declare that these Thermal Conductivity Sensors supplied by Sensirion AG comply with the following regulations:

Thermal Conductivity SensorREACHRoHSHalogen-Free
STC3xyesyesyes
STC4xyesyesyes
SEK-STC31-Cyesyesno
SEK-STC42Ayesyesno

EU Regulation on REACH (Registration, Evaluation, Authorisation and Restriction of Chemicals)

According to REACH (Reg. 1907/2006/EC), the following limit values are not exceeded:

The information is based on data provided by our suppliers. No attempt has been made to verify this information by third party analysis.

EU Regulation on RoHS (Restriction of Hazardous Substances)

According to the EU regulation on the Restriction of Hazardous Substances in electrical and electronic equipment, RoHS (Reg. 2011/65/EU and the delegated directive 2015/863/EU), the following limit values are not exceeded:

IEC Definition of Halogen-Free

According to the International Electrochemical Commission's (IEC) Definition of Halogen-Free IEC 61249-2-21, the following limit values are not exceeded:

Disclaimer

All information in this declaration is given to the best of our present knowledge and belief. The information given doesn't imply giving a warranty within the meaning of the warranty law.

Signed for and on behalf of Sensirion AG

Staefa, 19 August 2025

Dr. Adrian Ruf

EHS Manager

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Sensirion REACH-RoHS-HalFree Thermal-Conductivity-Sensors Microsoft Word for Microsoft 365

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