This is a great 2 channel scope for testing / debugging.

Tektronix Digital Phosphor Oscilloscope
  • Part:  TDS2012
  • Description:  Digital Phosphor Oscilloscope
  • Specifications:
  •    * Channels:  2
  •    * Bandwidth:  100MHz
  •    * Sampling Rate:  1GS/s
  •    * Record Length:  2.5k points
  •    * Max Input Voltage: 3000Volts
  • Condition:  Excellent used condition