PCE Instruments manufactures the PCE-555 Hygrometer, an air humidity meter measuring relative humidity from 0 RH to 100 RH. This portable moisture meter is ideal for detecting building moisture and mould, alerting users to potential mould problems. It is commonly used as an indoor RH meter for maintaining safe and healthy environments. https://elecena.pl/product/28584980/pce-instruments-pce-555-hygrometer-moisture-meter-for-quick-humidity-check 2025-05-03 https://elecena.pl/product/28584980/pce-instruments-pce-555-hygrometer-moisture-meter-for-quick-humidity-check 2025-08-25