Rotronic is a Swiss precision measurement brand with nearly 60 years of technical accumulation, globally recognized as a benchmark in the field of humidity and environmental parameter measurement. It has been part of the PST Group since 2017, with proprietary sensor technology and ISO 17025 accredited calibration capabilities.

Its core products cover high-precision transmitters, dew point meters, water activity meters and cloud-based RMS monitoring systems. Unlike general-purpose environmental measurement brands, it focuses on high-accuracy measurement needs in strictly regulated industries, providing stable and compliant solutions for both laboratory and harsh industrial field scenarios.