The HOBO Pro v2 Series, a family of four compact, weatherproof data loggers, from Onset Computer Corporation, is designed for use in a broad range of outdoor temperature and humidity monitoring applications. Four loggers are available including temperature/RH internal sensor model, a temperature/RH external, sensor model, a dual external temperature sensor model, and a one-internal/one-external temperature sensor model. Each model can store 42,000 measurements and runs for up to three years on a user-replaceable battery.

Loggers are priced from $129. For more details, visit www.onsetcomp.com.

The HOBO Pro v2 Series, a family of four compact, weatherproof data loggers, from Onset Computer Corporation, is designed for use in a broad range of outdoor temperature and humidity monitoring applications. Four loggers are available including temperature/RH internal sensor model, a temperature/RH external, sensor model, a dual external temperature sensor model, and a one-internal/one-external temperature sensor model. Each model can store 42,000 measurements and runs for up to three years on a user-replaceable battery.