Humidity Academy, episode 1: brief introduction to humidity

Industrial Measurements

This webinar series is about humidity measurement in industrial processes. Throughout the series, different Vaisala’s experts will share their knowledge and examples on humidity theory and measurements, as well as on maintaining audit-proof measurement instruments with long life-cycles. The series is suitable for all levels of expertise. 

The first episode covers the basics of humidity, including relative humidity, dew point, and frost point with examples. We go over the different quantities used for industrial humidity measurements and give suggestions on selecting parameters for different applications.

Our humidity expert Hannu Sairanen answers, among others, the following questions:

  • What quantities are used to measure humidity? And how to determine which is the best for my application?
  • What is the easiest way for me to convert one humidity quantity to another? And how to be sure that it is done in a correct manner?
  • What are the outputs of Vaisala’s humidity measurement products?


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The Humidity Academy webinar series covers humidity measurement in industrial processes and brings forward Vaisala’s experts, who share their knowledge and expertise with real-life examples. Short, concise episodes enable learning on the go.

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Hannu Sairanen, D.Sc. (Tech.), Applied Thermodynamics

Hannu Sairanen

Principal Scientist

As a Principal Scientist at Vaisala, Hannu Sairanen specializes in humidity measurement and applications, including humidity metrology. He has over 10 years' experience in humidity metrology, humidity measurements, and humidity-dependent processes with many publications based on his work in those areas. Hannu holds a doctorate from Aalto University in Finland, with a major in applied thermodynamics.

Nevon Mansour, Application Engineer

Nevon Mansour

Application Engineer

Nevon works as Application Engineer at Vaisala Industrial Instruments and has several years of industrial experience. ​
She holds a B.Sc. in Mechanical engineering with a concentration on Mechatronics from the University of Oulu, Faculty of Technology, and is finalizing her master's degree.


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