The Humidity LogR(r) fromBarnart Company(Barrington, IL) will record and retain up to 1,000 readings with date and time for each. The device measures rh, temperature, dewpoint, and displays all three parameters on a 0.4 in. LCD. Other features include pushbutton storage/recall, a ¿C/¿F option, min/max readings, a hold button to freeze readings and the capability to send all data to an infrared printer.