The Extech 42275 Temperature and Humidity Datalogger Kit with PC Interface Kit is a compact, powerful and easy to use datalogger that records relative humidity and temperature. Records up to 16,000 readings while multiple dataloggers can be programmed and downloaded from one single docking station
Zefon Price: $149.99
The Extech 42280 Temperature and Humidity Datalogger records up to 16,000 readings of temperature and humidity measurements that can be downloaded to a PC via a USB interface.
Zefon Price: $179.99
Extech Humidity Calibration Jars for use calibrating Extech models RH300, 445815, and 42280. Two bottles are included with 33% and 75% calibration points. Bottles are designed with small opening to allow for tight fit of the sensor.
Zefon Price: $49.99