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荷蘭Sensor Sense 
Sensor Sense的植物乙烯氣體監測系統ETD-300的測量范圍為0-5ppmv，檢出限達0.3ppbv。在特殊的測量步驟下，甚至能夠測量ppt級別的乙烯。這是目前國際上最靈敏的乙烯測量儀。

Sensor Sense is a young hightech company dedicated to develop, produce and sell highly sensitive, laser-based trace gas detectors for use in environmental monitoring, industry, agriculture, biological research and medical applications.

We are interested in bringing new products on the market and committed to make the applications successful. We continuously improve our systems to be sure that we offer, also in the future, the best solution concerning pricing, performance, user friendliness and simplicity to operate.

It is our believe that fundamental research will lead to new products which will be used to solve future problems. Therefore, we maintain close collaboration with research groups from different universities and industry on laser development and in the field of different applications.