Make your wood floor a smart floor. Install at the same time as your wood floor - it is designed to fit snugly in a self routered area of a wood floor plank. With Floor Sentry installed, your wood floor can now alert you when temperature and relative humidity conditions might lead to moisture-related damage. Save expensive hardwood floors from moisture-related damages. Time-stamped moisture readings from wood floor and sub floors. Instant access to the temperature and relative humidity condition of your wood floor as well as your underlayment or concrete subfloor. The Floor Sentry embedded wood floor data logger from Wagner Meters monitors and records the internal temperature and RH within your wood floor as well as the temperature and RH on the surface of the concrete subfloor or underlayment. Install at the same time as your wood floor - it is designed to fit snugly in a self routered area of a wood floor plank.