BK Precision 989006000 Data Logger Shunt with Banana Plugs, 1 Ohm, for use with DAS 30, 50, 60 Series Data Recorders. The BK Precision 989006000 Data Logger Shunt with Banana Plugs is designed for use with the DAS 30, DAS 50, and DAS 60 series of Data Recorders (not included). This unit is a low-voltage operation shunt that features terminal outputs and banana plug ends.