Dwyer DW-USB-6 is a compact USB data logger featuring a user-replaceable 3.6V 1/2 AA lithium metal battery. Its ABS plastic blend enclosure is durable and lightweight. With a memory capacity of 16,382 temperature and RH readings, 32,764 readings for voltage, current, and thermocouple, and 32,510 readings for carbon monoxide, it can store a large amount of data. The sampling rate is selectable from 10s to 12hr for temperature and RH models, 1s to 12hr for voltage, current, and thermocouple models, and 10s to 5m for CO models. It is compatible with Windows® 7, Windows® 8, and Windows® 10 operating systems and has programmable high/low alarms. With a stop-on-memory-full sampling mode and a convenient USB interface, the DW-USB-6 is a versatile and reliable data logging solution.