The Tramex Hygro-i ® relative humidity probe is the most advanced, resilient and reusable RH probe on the market today, allowing the user to perform in situ and hood type RH testing to comply with international standards BS 8201, 8203, 5325 and ASTM F2170, F2420 for the Flooring Industry, and is ideal for use by Flood & Water Damage Restoration and Indoor Air Quality professionals.