Downloading TEMPerHUM 22.2 from the developer's website was possible when we last checked. We cannot confirm if there is a free download of this software available. We recommend checking the downloaded files with any free antivirus. This software was originally produced by PCsensor. The software lies within System Utilities, more precisely Device Assistants.
From the developer:
TEMPerHUM is an application that controls the thermometer & hygrometer device. The software also gathers the data from the device to perform analysis.
You may want to check out more software, such as Snappy Fax 2000 or MyGPS, which might be similar to TEMPerHUM.