荷兰Sensor Sense 
Sensor Sense的植物乙烯气体监测系统ETD-300的测量范围为0-5ppmv，检出限达0.3ppbv。在特殊的测量步骤下，甚至能够测量ppt级别的乙烯。这是目前国际上最灵敏的乙烯测量仪。

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.