Environmental Quality > Humidity Humidity Sper Scientific offers a full range of temperature/humidity, barometers, dew point, infrared (IR) and thermocouples to help measure indoor and outdoor climatic conditions. Datalogging Datalogging Datalogging Sper Scientific temperature and humidity data loggers are perfect for logging and storing thousands of data points and easily exporting them to your computer. Desktop/Wall Desktop/Wall Desktop/Wall Sper Scientific's desktop and wall thermometers feature large LCD's and can be wall mounted or free standing. They provide best-in-class accuracy across a variety of temperature ranges. Handheld Handheld Handheld Sper Scientific's handheld thermometers feature rugged housing and best-in-class accuracy across a variety of temperature ranges.