Fluke Networks DSX-CHA003 Single Coax Adapter for DSX-5000 CableAnalyzer. For any coaxial cable, a successful installation is dependent on the use of high quality components and proper installation techniques, especially installation of connectors. When used with the DSX-5000 CableAnalyzer, the DSX-CHA003 Coax Adapter provides you with the capability to characterize the transmission performance of the installed coaxial cabling to assure that it meets the performance expectations for its intended applications. The DSX-CHA003 Coax Adapter supports testing of 50 ohm, 75 ohm, and 93 ohm coaxial cable.