Catalog > Consumer Electronics > Kits > Smart Kits Catalog > Consumer Electronics > Kits > Kits (By Function) > Instruments / Measuring etc. Smart Kit Logic Probe Logic Probe SMART KIT 1111 LOGIC PROBE Discontinued Specifications, Prices & Availability may change without notice. Images are for illustration purposes only. E&OE Features A must for those who work with digital circuits. It will detect and display logic states of "1" and "0" by lighting respective LEDs and will also give an indication with a third LED if it detects a pulse train. Suitable for TTL and CMOS circuits. Working voltage: 8-15VDC. Operating voltage: 8-15VDC. Max. current: 20mA Additional Information nGroup Instruments | Measurement nDevice Kit Group Instruments / Measuring etc. Model 1111 PCB Size 20x80mm Voltage 9VDC Current 20mA