The Extech SD500 humidity and temperature data logger features a dual LCD that simultaneously displays relative humidity and temperature readings. The data logging function offers date and time stamps and stores up to 2,000K readings on an SD card in Excel format for easy transfer to a PC.

With an overall temperature range of 32 to 122°F, Extech SD500 temperature data loggers feature an accuracy of ± 1.8°F. Relative humidity is measured from 10 to 95% with an accuracy of ± 4% RH. The selectable data sampling rate allows you to choose between 5, 10, 30, 60, 120, 300, 600 seconds or auto.

This logger is perfect for monitoring air quality in schools, office buildings, greenhouses, hospitals, and anywhere that temperature and humidity monitoring is required.