Rigol Logic Analyser Probe for MSO1000Z (RPL1116) Features Logic Probe; For the Rigol MSO1000Z Series Oscilloscopes; MSO add-on for DS1000Z Plus Series; pagebreak OverviewRPL1116 Standard logic probe for MSO1000Z. Upgrades a DS1000Z Plus or DS1000Z-S Plus to an equivalent MSO. Only works with the Plus models or as a replacement part for the MSO1000Z models.