RTF4-3 is an industry leading laboratory monitoring system that is used to track the temperature and humidity variables in the laboratory environment. It can provide readings of temperature, relative humidity, air velocity, air pressure, air pressure drop, carbon dioxide, and particulate matter, as well as other variables. The system is equipped with a variety of features that makes it easier to monitor, analyze and control the laboratory environment. These features include a built-in web interface for remote access, a variety of data loggers, graphical display systems and networking capabilities. It also provides an alarm system that can be used to alert if any environmental parameter is outside the acceptable range. With the system, users can monitor, analyze and control their laboratory environments from the comfort of their own PCs.