The Pico D9 connected range of accessories connect exclusively with the PicoScope 4444 differential oscilloscope. The scope interface also provides power to the accessory.
Choose either the PicoConnect 441 non-attenuated probe for measuring low-amplitude signals, or PicoConnect 442 25:1 attenuated probe for making safe cost-effective differential voltage measurements up to 1000 V CAT III.