3S GmbH
3S is a technology company in the field of gas sensing applications. We specialize in the development of cutting edge testing equipment for quality control.
Introduction
3S is a technology company in the field of gas sensing applications. We specialize in the development of cutting edge testing equipment for quality control.

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The ROTRONIC product line includes humidity temperature transmitters for HVAC, manufacturing and process control applications, handheld instruments, FDA 21 part 11 compliant data loggers, humidity temperature generators, meteorological probes as well
Main products: 3A molecular sieve, 4A molecular sieve, activated alumina adsorbent desiccant, high-strength inert ceramic balls, etc.