WatchDog B-Series Button Loggers Spectrum Technologies Categories Environment , Portable Environmental Meter Brochure Send Enquiry Overview Specifications Water resistant (IP56) stainless steel case Select measurement intervals from 1 to 120 minutes Log 2,000 to 8,000 intervals Internal sensors Integral non-replaceable battery Choose from temperature-only or temperature/humidity models Back Our Related Products Campbell Scientific CR200X Data Logger Learn More EKO STR-21G Sun Tracker Learn More Delmhorst MTX Moisture Transmitters Learn More Q-S102 O2 Analyzer Learn More