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 Gill Instruments MetConnect THP weather stations Learn More Skye Instruments UVB Sensor Learn More Exotek Instruments MC-550 Learn More Campbell Scientific ACL1 Optically Isolated AC Line Monitor Learn More