Logic Probe - Logic Testing TTL and CMOS, Displaying pulse presence and logic states, Catching pulse to 30ns or pulse trains to 17MHz, Input overvoltage protection, ABS case, Two audio tones, Two exterminals SPECIFICATIONS - Input impedance. 1MΩ - Width of min. pulse: 30 ns. - Max.input frequency: 17 MHz. - Measurable logic gate * Logic1(red LED lights) and buzzer: TTL: 2.3V ± 0.2V CMOS: 70%Vcc. * Logic 0 (green LED lights) and buzzer: TTL: 0.8V ± 0.2V CMOS: 30%Vcc. - Input overvoltage protection: ± 220V DC/AC 15sec. - Pulse(yellow LED) flashing time: 500ms.

Ltekonline are the manufacturers of Logic Probe used to demonstrate engineering principles in Engineering Colleges, Engineering Schools and Breadboard Training Equipment for Engineering Teaching Lab in Universities