The guided wave radar level meter uses advance micro-processor and EchoDiscovery echo processing technology which make it can be used in the complex working condition. There are many connection methods which make CDGW series guided wave radar level meter works in many conditions such as high-temperature media and high-pressure media. It is pulse working method and low transmits power. It can be installed in all kinds of metal and non-metal container. It is no harmful for human and environment.