Extech SDL500 Hygro-Thermometer Datalogger with SD Card and NIST calibration

The Extech SDL500 Hygro-Thermometer/Datalogger features Relative Humidity, Temperature, Dew Point, and Wet Bulb measurement with an adjustable sampling rate. Stores 99 readings manually and 20M readings via 2G SD card.

Relative Humidity, Temperature, Dew Point, and Wet Bulb measurement. Adjustable data sampling rate. Stores 99 readings manually and 20M readings via 2G SD card. Type K/J Thermocouple input for high temperature measurements. Large backlit dual LCD display. Record/Recall MIN, MAX, Data Hold and Auto power off. Built-in PC interface. Complete with 6 x AA batteries, SD card, carrying case and Humidity/Temperature probe. NIST Calibration