64K Model stores approximately 52K of 10-bit temperature readings. 64K Model stores approximately 52K of 10-bit temperature readings. HOBO® Pendant loggers are waterproof to 30 meters and value-priced for short-term applications or year-long remote deployment. User-selectable sampling intervals can be set from 1 second to 18 hours, and you can program the start time/date or trigger start on-site with a magnet. Fast optic USB interface allows data readout in less than 30 seconds. Logger alarm LEDs flash if temperatures have exceeded user-set levels and delay options, and provide visible verification that temperatures have been within the desired range throughout deployment.