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 Wagner Meters Orion® 920 Moisture Meter Learn More Campbell Scientific SDM-CD16AC 16-Channel AC/DC Relay Controller Learn More Skye Instruments Red / Far-Red Sensor Learn More Protimeter Surveymaster BLD5365 Learn More