The PR paperless recorder series includes an entry-level model PR10, and high-end models PR20 and PR30.The PR-20 “plug & play” video recorder is designed to meet the requirements of the chemical, petrochemical, food industry, etc. Each user has the possibility of accessing process data on a very high definition “TFT” screen 5.6 inches (640x480 pixels) via RS-232, RS-422/485 Modbus RTU Ethernet and USB interfaces. It has up to 24 configurable measurement channels. In addition, the data is archived on SD memory cards from 2 GB or collected by a PC to allow it to be studied and printed.