The Techno Line WS 9422 is a hygrometer designed for home monitoring, measuring relative humidity from 20% to 95% and providing mold alerts. This device features historical recording capabilities and dew point detection, making it useful for preventing building moisture issues. Typical applications include indoor air quality monitoring and safeguarding against mold development. https://elecena.pl/product/28703087/techno-line-ws-9422-hygrometer-integrated-mould-alert-large-display 2025-05-16 https://elecena.pl/product/28703087/techno-line-ws-9422-hygrometer-integrated-mould-alert-large-display 2026-07-25