'deep wall' probes will allow you to reach up to a nominal depth of 130mm into a wall

Your first step on unknown spots

Carpet cleaning machines (truckmounts & portables)

all the performance of the best competitor but easier to move around due to a better vacuum break

Extech MO290-RK Water Damage Restoration Contractor Kit Base UOM:EACH 'deep wall' probes will allowA complete solution for the Restoration Contractor. Combination moisture meter thermal hygrometer to capture all ambient conditions as well as moisture levels in one meter. Includes essential probes to measure moisture levels under baseboards, in between walls, and in hardwood and plywood subfloors. Plus a USB Humidity Temperature datalogger for GPP calculations Kit includes: Model MO290 Pinless Moisture Psychrometer + IR Monitor moisture in wood and