General Tool's DL-GT-HT08 Temperature and Humidity USB Data Logger with GPP Calculation

This item is no longer available. Please see the DL-TZ-TEMPU3 as a possible alternative.   One button starts/stops data logging without a PC Plug-and-play USB 2.0 interface; no need for cables, cradles or docks Large storage capacity: 16,300 pairs of RH and temperature readings Two LEDs indicate device working status and "memory full" Included software is used to set: Sampling time from 10 seconds to 12 hours; Hi/Lo alarm setpoints for humidity and temperature; Temperature unit (°F or °C) Software also calculates and plots GPP and dew point and wet bulb temperatures and displays data logs as time based graphs synchronized to your PC’s clock The DL-GT-HT08 is a low-cost, compact, battery-powered thermo-hygrometer capable of unattended logging (recording) of the ambient temperature and relative humidity (RH) of an environment for days, weeks or months. In addition, software included with the product can also calculate and display absolute humidity levels in units of grains per pound