10 Best Logic Probe of December 2025

• 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 nearly 50 years elenco has been producing reliable as well as affordable electronic test equipment, tools, and Educational kits

Elenco

• This logic probe can accurately and quickly test logic circuits.
• High frequency response, with LED light indicating logic level and pulse.
• Instant indication and pulse memory function.
• Used for DTL, TTL and CMOS.
• Suitable for laboratories, circuit testing, troubleshooting, school teaching, industry, etc.

Cldkem

• Audible logic state tones
• Input impedance 1mω
• Detects 30N Pulses
• Color coded LEDs
• Circuit powered

ECG

• 【POWER SUPPLY】The unit is powered by the circuit under test. Power Supply by 5 to 15V battery. Power Supply protection is 20VDC/VAC.
• 【LED LIGHT&AUDIO INDICATIONS】This logic troubleshooting instrument will give visual (LED light) and audio indications for logic levels and pulses.
• 【PULSE WIDTH】It can capture pulse width as short as 30 nanoseconds on frequency 20KHz-20MHz. Maximum Input Voltage is 40VDC/VAC(duration<25 seconds.
• 【COLOR CODED LEDS】Color coded LEDs Indicate high, low or pulsed logic states Audio beeper With two sounds: Hi & Low.
• 【PEN STYLE】Pen Style Logic Analyzer Handheld Circuit Tester+Extra Long Leads. Portable size and easy to operate.

allsun

• Handy device for inspecting and measuring logic circuits
• Displays logic levels (high or low); pulses and voltage transients down to 25 nanoseconds
• Maximum input of 20MHz
• Large PC board and detailed manual for fast and easy construction
• SOLDERING REQUIRED - ASSEMBLY REQUIRED

Elenco

• 🔴 (2 in 1) UNO R3 board and digital logic probe
• 🔴 UNO R3 uses ATMEGA328P with A16U2 faster transfer rates,100% compatible with the Arduino IDE
• 🔴 TTL, CMOS, LSI, all logic level (3.3V and 5V)
• 🔴 HIGH, LOW and High Impedance LED indicator light
• 🔴 Retractable Probe and Acrylic transparent case

EEEEE

• 🟩 (2 in 1) 6PCS Breadboard and digital logic probe
• 🟩 TTL, CMOS, LSI, all logic level (3.3V and 5V)
• 🟩 HIGH, LOW and High Impedance LED indicator lights
• 🟩 Retractable Probe and Acrylic transparent case
• 🟩 6PCS Interlock Breadboards(170 points) with Self Adhesive tap backing

EEEEE

• Multi-functional design allows testing range of 3-26 volts
• Bright red and green LEDs interpret voltage signals such as ground power and frequency
• Tests fuel injectors solenoids presence of serial data and Tach reference signals
• Output tests on MAF cam crank hall effect VRS sensors and more

OTC

• Two-in-One Logic Probe and Pulsar
• Simplifies Troubleshooting and Analyzing Digital Circuits
• Frequency Response 50MHz
• Detectable Pulse Width 10ns
• Ideal for use in labs, service shops, schools, home and industry

Elenco

• Features insulated probe 6' / 1.8m long heavy duty cord, 18 gauge dual leads with battery clips, high-impact plastic body and spring-strain relief

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