Schonstedt 512Hz Sonde LocatorXT512 is one of the world's most portable 512hz pipe camera sonde locators with pinpoint precision and depth measurement. Its unique design combines the capabilities of 512hz sonde detection and passive location mode of 50Hz 60Hz into one portable and compact unit. The sewer camera sonde locator XT512 permits easy and accurate pinpointing of the 512hz sonde beacon inserted into a non metallic pipe either as a separate beacon or as a part of a camera