VESALA MICROSONDE MPL6-33 (6.4 MM, 33 KHZ, M5)MPL6 33 is a separate, very small size microduct transmitter sonde. It is intended to be used with the Vesala CL43 Compact Locator and other cable tracers and pipe locators using the 33kHz tracing frequency. It is especially suitable for tracing blockages of optical cables microducts or for tracing other small non conductive pipes and sewers. MPL6 33s diameter is only 6. 4mm so it fits into the standard 12 8mm tubes. MPL6 33 construction includes the