Extech RhT 20 Humidity and Temperature USB Datalogger records up to 16,000 readings with user-programmable sample rates from 2 seconds up to 24 hours for days, weeks, and months.

Applications:  Food industry, Chemical laboratories, transportation.

Extech RhT 30 Humidity and Temperature USB Datalogger Easy-to-use Datalogger Records Humidity and Temperature with Date/Time Stamp. It is designed with a rugged housing and a standard USB connector where stored readings (up to 48,000 data) are conveniently transferred to a PC in PDF or Excel spreadsheet format when plugged in.

Applications:  Chemical industry, food manufacturing units.