Teledyne LeCroy Accessories for ZS Series High Impedance Active Probes. One of the advantages of using Teledyne LeCroy oscilloscope probes is the large number of accessories available from RS for use with these probes. This Y lead adapter is for use with Teledyne LeCroy ZS Series active probes including ZS1000 ( < 672-1706') 672-1706/ ), ZS1000-QUADPAK ( < 672-1696') 672-1696/ ), ZS1500 ( < 745-0711') 745-0711/ ) and ZS1500-QUADPAK (< 744-4671') 744-4671/ ).