tkp303TCP303 Tektronix Test Probes PROBE; ACDC CURRENT; DC-15MHZ,150A DC, CERTIFICATE OF TRACEABLE CALIBRATION STANDARD datasheet, inventory, & pricing.TCP303 Tektronix Test Probes PROBE; ACDC CURRENT; DC-15MHZ,150A DC, CERTIFICATE OF TRACEABLE CALIBRATION STANDARD datasheet, inventory, & pricing.