We are SENTECH,
Based on more than 20 years of gas sensor manufacturing technology,
SENTECH is currently exporting its products to more than 50 countries and has become a leading manufacturer in the global market.


With accumulated sensor technic, A range of alcohol sensors manufactured and applied to our breathalyzer equipment, which is well known in the global market for their trustable accuracy and sophisticated design.
Police, military, doctors, workers, and individuals from all over the world use our breathalyzer and are recognized as fast, accurate and reliable equipment.

History of Sentech
Sentech Korea was founded in South Korea
Supplied alcohol screening breathalyzer to Korean National Police Agency for the first time
Built factory line in Ilsan in Korea/ Certified ISO 9001 & ISO 14001
Certificate of good product by Korean Public Procurement Service
Moved to Paju in Korea, the current headquarter
Established R&D office in headquarter
Award is given from Korea Ministry of Trade, industry and energy
Frankfurt branch office was opened in Germany
Supplied Evidential alcohol breathalyzer to Korean National Police Agency for the first time
Approved EU norm of professional / personal breathalyzer (EN15964/EN16280)
Certified IATF16949
Selected as INNO-BIZ enterprise
LA branch office was opened in California USA