The use of water-based paints requires precise control of the environment in which they are applied. Reliable sensors for measurement of humidity and temperature are prerequisite for this.

Paint stability

Paint manufacturers run accelerated weather simulation trials to test paint stability, with relative humidity being a key factor. The tests are conducted primarily in environmental chambers, but also under outdoor weather conditions, where meteorological probes are used.

Spray booth control

Water-based paints must be processed under controlled environmental conditions so that they dry properly and a perfect finish is obtained.

Quality assurance of powder paints

The HygroLab is used to measure water activity/equilibrium relative humidity in laboratory applications. The handheld instrument with insertion probe is ideal for use in production areas. 

Important parameters



Water activity



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