Amprobe TR100 Data Logger takes temperature reading in a compact size unit.

Amprobe TR200 Data Logger takes both temperature and relative humidity readings in one compact size unit.

Amprobe TR300 temperature and humidity data logger is designed to monitor indoor air quality in one compact size unit.

Extech EA15 EasyView™ Dual Input Temperature Datalogger - Temperature datalogger compatible with 7 types of thermocouples

Extech SD500 Humidity & Temperature Datalogger - Records data on an SD card in Excel® format

Extech SD700 Barometric Pressure, Humidity & Temperature Datalogger - Records data to SD card in Excel® format

Extech SD800 CO2, Humidity & Temperature Datalogger - Records data on an SD card in Excel® format

Extech SDL550 Moisture Content Meter Datalogger - Monitor moisture in Grain, Corn, Rice, Cotton, Paper, and other materials