The Model 725 temperature/humidity meter is a compact, lightweight unit that offers a wide range of temperature and humidity readings with datalogging capabilities. Powered by batteries, the hand-held, dual-function meter uses two environmental sensors housed in a remote rod. In addition to a large LCD that displays RH and temperature simultaneously, the meter has a second thermocouple port. The remote rod permits the sensors to be placed exactly where it is needed. With the datalogging feature, the unit can record up to 16,241 data points and, with an adjustable interval setting, can record from four hours to 11 days worth of data. Price: $369.