Testo Data Logger, 2 Channels, SD Card/Mini USB, 2000000 Measurements

Humidity / pressure sensor with long-term stability. High data integrity, even with empty battery. Display of current temperature or humidity value. Compact and robust. Issue of alarms via display. Password protection prevents changes by unauthorized persons. Anti-theft lock with the help of a wall holder, the loggers can be permanently attached and secured against theft with a padlock. Data transfer to PC via USB interface. Long battery life up to 8 years.