The TRH-1000 is a low-cost, easy-to-use temperature and relative humidity data logger. With its precision calibrated internal temperature and relative humidity sensor, simply place the logger in the field and leave it to record. Once the desired information has been recorded, plug the logger into the serial port of your computer and begin downloading and viewing the logged data with ACR's TrendReader! Express software. No cables, wires or accessories are required, making the TRH-1000 the ideal data logger for quick and accurate temperature and humidity measurements in a variety of applications.