RHT20: Humidity and Temperature Datalogger Humidity/Temperature Datalogger Records up to 16,000 readings for each parameter Datalogs 16,000 Humidity and 16,000 Temperature readings with a user programmable sample rate Features: • USB interface for easy setup and data download • Selectable data sampling rate: 1 second to 24 hours • User-programmable alarm thresholds for RH and Temperature • LCD displays current readings, Min/Max, and alarm status • Complete with 3.6V Lithium battery, mounting bracket with combination lock, and Windows® 2000, XP, and Vista compatible analysis software