Best Circuit Specialists in 2026

🔧【2-IN-1 OSCILLOSCOPE & TRANSISTOR TESTER】: Get 2 essential tools in 1 compact device!

🎒【PORTABLE & CONVENIENT】: Comes with a built-in folding stand and a rechargeable lithium battery for on-the-go use.

⚡【HD COLOR DISPLAY】: 2.4 inch HD color screen for clear and easy-to-read results.

💡 Accurately dial in your desired voltage and current output with the front-mounted control knobs on our CSI1802X linear power supply.

⚡️ Stable and reliable DC power up to 18 volts and 2.0 amps provided by our fully regulated benchtop power supply.

📈 Multi-loop high precision voltage regulation and progressive current regulation ensure accuracy and consistency in your power supply output.

💪 【HIGH CURRENT OUTPUT】: The CSI23SW1 is a highly efficient, lightweight, and high-performance switching power supply designed to deliver high current into 12V loads, while taking up minimal space in its small footprint chassis.

🔒 【BUILT-IN PROTECTION】: With constant current protection, over-temperature thermal protection, and output over-voltage protection, this power supply ensures reliability and safe operation for both the power supply and its connected load.

🔌 【DUAL OUTPUT】: This power supply features a main 23A DC output and an additional front-mounted cigarette lighter style socket that can supply up to 10A to power devices designed for automotive use and provide convenient DC connectivity.

🔌💡 The CSI5003XE is a regulated, adjustable benchtop linear power supply with adjustable current limiting, perfect for various applications.

💪💻 Delivering up to 50 volts and 3 amps, this fully regulated power supply is ideal for applications that require substantial voltage.

🔍📈 The LED display shows both voltage and current output, with power levels that can be preset to any combination of the two for precision and convenience.

🔥 Introducing the CSI853B+ PCB preheater and hot air rework station, your ultimate solution to soldering and de-soldering surface mount integrated circuits.

💪 Featuring a 1000 watt heater, the CSI853B+ integrates a PCB preheating platform with a hot air re-work and soldering system.

🔌 This easy-to-operate system is powered by 110 VAC +/- 10% and has a maximum power of 1000 watts (preheater and hot air combined).

🔥 Check out the new and improved PBB-272B Powered Breadboard

🛠️ Take your prototyping to the next level with a powered solderless breadboard with onboard voltmeters!

💡 With two Light Emiting Diode Displays (LED's) to conveniently show the 0-15 positive and 0-15 negative outputs!

Utilizes SMD technology - Pre-Settable Voltage & Current levels - Front Panel On/Off Switch

Large LED readout for Voltage & Current - S+ & S- Sampling terminals

Voltage 0-120 VDC - Current 0-3 Amps

-10 Test leader & 5 colors : green×2,white×2,black×2,yellow×2,red×2

-20 Clips by nickel plated steel with PVC insulators and vinyl-covered alligator clips, strong spring clips and easy installation

-Length-20.5", Test lead-1.6" The clips soldered and stamping to the wires, Alligator clips securely to ensure good conduction

This circuit breaker finder can quickly and accurately locate the correct circuit breaker in a panel corresponding to the circuit to which an electrical outlet or fixture is connected

GFCI tester consists of two parts: a Transmitter connected to the electrical outlet or fixture, and a Receiver used to scan the panel to locate the correct breaker

Receiver delivers clear visual and audible indications when the correct breaker has been located

Voltbeat technology and continuous self test so you always know it is working

Upon detection, tip glows and beeper sounds

20 volt to 90 volt AC control circuit model also available

WIDE APPLICATIONS - KAIWEETS HT118A Multimeter measures up to 600V AC/DC voltage, 10A AC/DC current and 60 MOhms resistance, electrical tester also tests temperature, capacitance, frequency, duty-cycle, wire on-off, and test diodes and continuity.

EASY OPERATION - Switch the dial to the function you need, and the LED lights on the jacks will shine accordingly. To plug in the leads is easy. Autoranging saves you the hassle of having to know which range of value. Large 2.9” LCD backlight display, easy-to-read digits offer a 6000-count resolution.

MULTI-FUNCTION - Non-contact voltage testing and Live function with sound and light alarm. Flashlight on the back ensures easy use in dimly lit places. Min/Max/Average to record signal fluctuations. Stable kickstand, Pen slot on the back, Low battery prompt, Data retention, Auto power-off.

Versatile Digital Multimeter - Accurately measures AC/DC Current, AC/DC Voltage, Capacitance, Frequency, Duty Cycle, Resistance, Diode, Continuity and Temperature

Thoughtful Design - Support Data Hold, Large LCD Backlit Screen, Auto Shut-off and Hanging Magnet, and Kickstand make the process of measurements easier. Professional level is reflected in some features include Auto-Ranging capability, and True RMS for measuring both AC Current and Voltage

Suitable For Many Occasions - This Multimeter is a golden partner to help to troubleshoot a variety of automotive and household electrical problems safely and accurately.

Accuracy: With 3/s Sampling Speed, this multimeter can accurately measure AC/DC Voltage, DC current (Not for AC current), Continuity, Amp, Resistance and Diode

Widely Used: This meter is capable of testing Household Outlets, Batteries (including 12V Automotive Battery), Continuity, Electrical Circuit, Fuses, Wires, Light Bulbs and Water Heaters

Multi-Feature: Large Backlight LCD Display with 3 ½ digits (1999 count) delivers your results clearly in dim light areas; Data Hold button holds a reading; Built-in Stand allows for hand free use; Low Battery Indication and Continuity Buzzer

True-RMS clamp meter: This multimeter can accurately measure AC/DC Current, AC/DC Voltage, Frequency or Duty Cycle, Resistance, Capacitance and also provides Diode, Continuity and Temperature tests. True RMS for accurate measurements on non-linear loads. Easy to use for labs factories and household.

LowZ & LPF: Low input impedance helps prevent false readings due to ghost voltage. Low Pass Filter (LPF) for accurate measurement of variable frequency drive signals when measuring motors and transformer. To measure the current you need to clamp the meter around one of the wires and not the whole power cord.

NCV Detection Function: Non-contact voltage detection effectively check electrical status through measuring EM field intensity without touching any wires; The NCV button lies on the right side. Simply place your thumb on it and push.

VERSATILE DIGITAL MULTIMETER - Accurately measures AC/DC Voltage, DC Current, Resistance, and Diode. This Multimeter is a really useful tool for solving industrial and household electrical issues. Suitable for Household Outlets, Fuses, Batteries (including Vehicles), Automotive Circuit Troubleshooting, Charging System, Testing electronics in Cars etc.

TROUBLESHOOTING WITH Accuracy - This Multimeter has a sampling speed of 2 times per second; Built-in a backlight LCD display with 3 ½ digits (1999 count) 0.6”, and high polarity including negative and positive readings.

ENSURES SAFETY - Double ceramic fuse is anti-burn and protects from overloading.The silicone cover is able to protect the multimeter from failing damage and prevent electric shocks. And low battery indication will be displayed when battery power is low.

SAFETY FIRST: It will send out multiple alarms through sound and light. When the voltage is detected, the tip will send out red light and beep. When the higher the sensed voltage is, or the closer it is to the voltage source, it beeps at a higher frequency. At the same time, the screen will be red or green, red means high voltage and live wire are detected, green means low voltage and null wire are detected.

NON-CONTACT: With NCV inductive probe for AC voltage; Just place the tip near a terminal strip, outlet, or supply cord. When the tip glows red and the pen beeps, you know there's voltage present. The live wire detector can automatically detect the live or neutral wire. Ideal for breakpoint Test. Handy circuit tester for electricians, homeowners.

DUAL RANGE: Detects standard and low voltage (12-1000V AC / 48-1000V AC) for more sensitive and flexible measurements. Press the S button to adjust sensitivity and adapt low range for doorbells, thermostats, irrigation wiring etc.; The NCV sensor automatically recognizes the voltage and displays it on the bar graph.

[Auto-Ranging Clamp Meter]: The meter measures AC Current to 600 amp, AC and DC Voltage to 600 V, Resistance to 40MΩ and Capacitance to 4MF. Does not measure DC Current.

[True-RMS Amp Meter]: The sensing meter accurately measures distorted waveforms and provides true readings when measuring linear or non-linear loads.

[Advanced Functions]: Auto-off of inactivity after 15 minutes, Data Hold, MAX/MIN Reading, Low Battery Indicator and Continuity Loud Buzzer.

3 test leads (red, black, green) connected to low-leakage probes

3 alligator clips (red, black, green)

2.6m lead length

Assured Protection-Using the high quality and eco-friendly EVA materials to make it sturdy and durable. Crush resistant, anti-shock, water resistant material provides adequate protection from bumps, scratches and splashes, keep your multimeter in good condition.

Elastic Mesh Accessory Pouch-Conveniently stash and store your wire clips , cutters , chargers , probes and other accessories at your convenience.

Convenient Design--A small wrist strap is easy for you to carry it anywhere. You can hang it on your hand when working or just easily put it in your tools bag, handbag or backpack.

CL120 Clamp Meter measure AC current via the clamp, and AC/DC voltage, resistance and continuity via test leads

Meter has backlit LCD for ease of viewing in low light and is CAT III 600V, Class 2 Double Insulated

RT210 detects the most common wiring problems in standard and GFCI receptacles

Constructed of black 600d Nylon

Has a heavy-duty PVC zipper and zinc alloy zipper tag

Convenient storage for meters, testers and tools

VoltAlert technology for non-contact voltage detection

AutoVolt automatic AC/DC voltage selection. DC millivolts - Range : 600.0 mV, Resolution : 0.1 mV

Low input impedance: helps prevent false readings due to ghost voltage

True-rms for accurate measurements on non-linear loads

safety rated

Large white LED Backlight to work in poorly lit areas

Kit contains+B2:H150 a non-contact voltage tester and receptacle tester

Dual range NCVT-2P automatically detects and indicates low voltage range and standard voltage (48-1000V AC)

NCVT-2P provides non-contact detection of standard voltage in cables, cords, circuit breakers, lighting fixtures, switches, outlets and wires

LARGE CLEAR LCD READOUT on receptacle tester to instantly view results without the need to look at a chart to understand results

TEST GFCI TRIP TIME IN SECONDS to find out if the trip breaker is functioning

DETECT WIRING FAULTS of open ground, open neutral, open hot, dual open (neutral and ground), reversed hot/ground, and reversed hot/neutral

The 117 multimeter measures AC and DC voltage as well as AC and DC amps. The 323 clamp meter measures AC and DC voltage as well as AC amps

The 117 multimeter features true RMS for accurate measurements on non-linear loads

The 117 multimeter features low input impedance which helps prevent false readings due to ghost voltage

Aenllosi Hard Case replacement for Fluke 101/106/107 Handheld Digital Multimeter

Features: Case is made of supreme quality, durable EVA, crush resistant, anti-shock, water resistant material provides adequate protection from bumps, scratches and splashes

With Internal mesh pocket can store other accessories at your convenience

Durable nylon weave resists wear and tear

For use with CL120, CL220, CL320, CL390, CL600, CL700, CL800, CL900, ET600, MM325, MM420, MM720, and some older models

Constructed with powerful Rare-Earth magnets

Automatically measures volts ac and volts dc with precise digital resolution

Displays resistance to 1000Ω

Easy and accurate OpenJaw current measurement

Country of origin : China

Real-time sampling rate up to 1 gsa/use

IRecord length up to 14 Mpts