Hioki flat bandwidth current probes are best-in-class current sensors for use with Memory HiCorders and high performance oscilloscopes. The 3272 is a single channel power supply for outputting signals measured by the 3270 Series AC/DC Clamp On Probe to the data acquisition equipment. Key Features • Power supply for the Clamp on probe 3273-50 - 3276, CT6700 series • Supplies power when connected to a general-purpose instrument such as a recorder.