Tektronix TDS2001C Oscilloscope; Digital Storage, 50MHz, 500MSa/s, 2-CH, TFT Color Display, USB Ports certificate of traceable calibration standard
Tektronix TDS2002C Oscilloscope; Digital Storage, 70MHz, 1GS/s, 2-CH, TFT Color Display, USB Ports certificate of traceable calibration standard