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 CS511-L Dissolved Oxygen Probe Learn More Spectrum Technologies WatchDog 3250 Wireless ET Station Learn More Skye 10 & 30 Watt Solar Power Supplies Learn More Delmhorst 12-E Electrode Learn More