50 MHz Logic Probe B&K Precision Model DP 52 MSRP: $48.00 1 Year Warranty Overview Tests TTL and CMOSDisplays DC to 50 MHzDetects 10ns pulse widthOverload protected Where to Buy TestEquity Model Qty DP 521 As of: May-20 DIGI-KEY Model Qty DP 5213 As of: May-19 Home Products Component Testers Logic Probes Model DP 52