General Tools and Instruments has a new HT Series of USB Humidity/Temperature Data Loggers. Sized slightly larger than a thumb drive, the HT Series do not require you to bring a laptop to the job site: you start and stop logging with the push of a button. Included software sets the sampling interval (from 10 seconds to 12 hours), as well as high and low alarm set points for humidity and temperature. The Data Logger mounts to a computer with a USB interface, and the software automatically syncs the date and time on the Logger to the computer used to sync it: no need for manual entries. Each member of the HT Series has a temperature measurement range of -4 degrees Fahrenheit to 158 degrees Fahrenheit (- 20 degrees Celsius to 70 degrees Celsius). The relative humidity measurement range is 10 to 90 degrees. Pricing for the HT10 (the series also includes an HT20 and HT50) USB Humidity/Temperature Data Logger, starts at around $68.