Logic Probe with Beeper

• Circuit powered logic probe designed for troubleshooting fast logic circuits
• Tests all logic families including TTL, LSI, and CMOS
• Minimum pulse width detection of 25 nanoseconds and a maximum input frequency of 20MHz
• Two sound audio beeper and LED indicators for Hi and Low
• Switch-selectable pulse detection or pulse memory function

This circuit-powered beeping logic probe is designed for troubleshooting fast logic circuits. It features TTL, LSI, and CMOS compatibility, switch-selectable pulse detection or pulse memory function, LED indicators for Hi and Low, and Pulse/Memory, minimum pulse width detection of 25 nanoseconds and a maximum input frequency of 20MHz.

Specifications: 
Working Voltage: 4-18VDC
Frequency Response: 20MHz 
TTL Logic "1" (HI LED): >2.3±0.2V DC 
TTL Logic "0" (LO LED): <0.8V±0.2V DC 
CMOS Logic "1" (HI LED): >70% Vcc±10% 
CMOS Logic "0" (LO LED): <30% Vcc±10% 
Minimum Detectable Pulse width: 25ns
Input Impedance: 1MΩ
Input Overload Protection: ±220V AC/DC (15 sec) 
Supply Voltage Protection: ±20V DC 
Pulse Indicator Flash Time: 500ms
Operating Temperature: 32° - 122° F

Product Details