500MHz Logic Probe, 2x8 Channel, for Oscilloscopes of Tektronix MSO/DPO4000B, MSO/DPO5000 Series and MDO4000. The Tektronix P6616 is a MSO Probe and for the use with Tektronix MSO4000B and MSO5000 Series Oscilloscopes only. The P6616 probe design offers two eigth-channel pods to simplify connecting to the device and outstanding electrical characteristics, having only 3 pF of capacitive loading, a 100 kohms input resistance and capable of acquiring rates >500 MHz and pulses as short as 1 ns duration.