Logic Probe provides convenient and precise measurement of logic circuits * Displays logic levels (high or low), pulses and voltage transients down to 25 nanoseconds * Tests all logic families (TTL,LSI, CMOS, ECT) * Captures pulses to 25ns(20MHz), plus more features * For more than 30 years Elenco has been producing reliable as well as affordable electronic test equipment, tools, and educational kits