From the current technical point of view, these brands of humidity dew point products can achieve high accuracy and stability. After all, the technology of dew point measurement and calibration has been made public, and all brands use mirror condensation to measure dew point. These brands have the strength to make the most accurate dew point instrument in the industry. These brands have similar precision, consistency and long-term stability of products at the same price. There is no distinction between good and bad.
From the market point of view, Rozonik has the best channel in China.
Visala, Rozonik and E+E have a high market share in China, and GE has many applications in supporting projects.