Portable case is a combination of a multichannel controller/data recorder type CMC-99, CMC-141 or SRD-99 with a sealed waterproof and dustproof housing. This combination gives you the ability to safely perform measurements and record data in particularly demanding and difficult applications, for example, in field conditions with high dust, high humidity or high risk of flooding the device. Portable version of data recorders works wherever there is no need or possibility to install stationary devices. Portable case is equipped with all necessary connectors with IP 67 protection degree for connection of sensors, allowing for autonomous operation of the recorder under harsh environmental conditions. By equipping the case with communication interfaces: Ethernet and/or RS-485, the devices can provide measurement data to a PC or a host system.