5% OFF – Hot Sale

Get $30 off VD80 series code: VDIAGTOOL30

Free Shipping Worldwide/Tax-Free

Circuit Tester Guide

 

A circuit probe tester is a tool used to detect and diagnose circuits. We have the following products: V200, V200pro, V210, V500, V500 Pro.

vdiagtool circuit probe tester

VDIAGTOOL V210

VDIAGTOOL V210 Automotive Open and Short Detector Circuit Tester is powered by 2 9V batteries, it can easily locate breaker points, open connections, broken wires, leakage (tone change), and even trace wires/cables without damaging the insulation. For DIY enthusiasts, electricians and technicians, it is a convenient and efficient circuit instrument that can simply and quickly determine the continuity of cables/wires and diagnose breaker points.

Click here to learn more

why choose v210

VDIAGTOOL V200

VDIAGTOOL V200 Power Circuit Probe Tester is a simple but extremely useful circuit tester with a 20ft + 20ft extension cord for checking if a car circuit or a component is powered. It supports ✔Tracing wires ✔AC/DC voltage tests ✔Diode, resistance tests ✔Polarity tests ✔Continuity, ground, signal circuit tests ✔Activating components ✔Relay, fuse, trailer light tests ✔Locate shorts ✔Circuit breaker protection for all electrical systems of 12-24V vehicles.

Click here to learn more

V200 Power Circuit Probe Tester

VDIAGTOOL V200 Pro

VDIAGTOOL V200 Pro covers all circuit tests:
1. Breaker/Open Circuit Test
2. Trace Wires
3. AC/DC Voltage Test
4. Diode Test
5. Resistance Test
6. Polarity Test
7. Continuity Test
8. Ground Test
9. Activate Components
10. Signal Circuit Test
11. Relay, Fuse, Trailer Light Test
You can quickly and easily find shorts, open connections, broken wires, current leaks and even trace wires. Save yourself time and costly trips to the dealer by purchasing this must-have circuit tester today.

Click here to learn more

V200 pro Power Circuit Probe Tester

If you are already impressed with the performance of our VDIAGTOOL V200 Pro Automotive Power Circuit Probe Tester, we now bring you an even more versatile solution — the VDIAGTOOL V200 Pro Upgrade Kit.

Unlike the standard V200 Pro, this upgraded version comes with a 30PCS Back Probe Kit designed for harness connectors, automotive sensors, and fuel injectors. The kit includes:

15 × Back Probe Pins (stainless steel, 0.07mm needle, supports testing up to 30V)
5 × Banana Plug to Alligator Clip Circuit Test Wires
5 × Wire Piercing Probes
5 × Nickel-Plated Copper Alligator Clips

With 3 different probe angles (90°, 135°, Straight), the back probe lead set allows you to access tight or angled connectors with ease, meeting various daily diagnostic needs.

Click here to learn more

Here are the main differences between the V210, V200 and V200 Pro
VDIAGTOOL V210 V200 V200 Pro

Weight

(Transmitter)

 2.22 ounces 43.36 ounces 54.08 ounces

Dimensions

(Transmitter)

 2.89×2.40×0.87 inches 1.85×1.10×7 inches 1.88×0.98×7 inches
Screen Display 2.96 ounces

TFT color display

(160×128 DPI)

TFT color display

(168×128 DPI)
Operating Voltage 6V-42V DC 9V-30V DC 9V-30V DC
Powered Source 9V(Powered by 9V Battery) Car Battery&Cigarette Lighter Car Battery&Cigarette Lighter
Material ABS ABS ABS
LED Indicator Light ✔ ✔ ✔
Wire Identification ✔ ✘ ✔
Wire Tracing ✔ ✘ ✔
Short Circuit Test ✔ ✔ ✔
Locate Open Circuit ✔ ✘ ✔
CONT&TONE Mode ✔ ✘ ✔
AC/DC Voltage ✘ ✔ ✔

Resistance&

Diode Mode

 ✘ ✔ ✔
Component Activation ✘ ✔ ✔
Find Broken Line&Bad Ground ✘ ✔ ✔
Test Fuse, Relay, Trailer Light ✘ ✔ ✔
Continuity Test ✘ ✔ ✔
Overload Protection ✘ ✔ ✔
Polarity Test ✘ ✔ ✔
20 Feet Cord+20 Feet Extension ✘ ✔ ✔
Sensor/Signal Test ✘ ✔ ✔

 

VDIAGTOOL V500

VDIAGTOOL V500 is an intelligent circuit system probe tester that covers all circuit tests: 
1. Smart test
2. Multimeter mode (voltage, resistance, diode & short circuit, current, frequency)
3. Relay protection test
4. Oscilloscope mode
5. Injector test
6. 0-5V power supply
7. Component activation
8. Positive and negative detection
9. Diode testing
10. Component testing

Unlike traditional circuit detectors, the V500 intelligent detection mode can display voltage, current, resistance, etc. at the same time, greatly improving your circuit diagnosis efficiency and saving your time.

Click here to learn more

v500 1v-100v intelligent electrical system circuit probe tester

VDIAGTOOL V500 Pro

VDIAGTOOL V500 Pro is the ultimate all-in-one tool for testing any circuit with precision and ease. Combining the features of the V500 (Mode 1) and V210 (Mode 2), it covers everything from Circuit Breaker Tests and Voltage Testing to Component Activation and Oscilloscope Mode. Designed to save time and money, the V500 Pro is the ideal solution for automotive professionals and enthusiasts.

V500 pro Power Circuit Probe Tester
Here are the main differences between the V200 Pro, V500 and V500 Pro
VDIAGTOOL V200 Pro V500  V500 Pro
Screen Display

TFT color display

(168×128 DPI)

TFT color display

(2.36 inches)

TFT color display

(2.36 inches)
Screen Rotation ✘ 90° Rotation 90° Rotation
Material ABS ABS ABS
Operating Voltage 9V-30V DC 9V-30V DC 9V-30V DC
Voltage Measurement Range - 0.1V-100V 0.1V-100V
Resistance Measurement Range - 0Ί - 200kΊ 0Ί - 200kΊ
LED Indicator Light ✔ ✔ ✔
Wire Identification ✔ ✘ ✔
Wire Tracing ✔ ✘ ✔
Short Circuit Test ✔ ✔ ✔
Locate Open Circuit ✔ ✘ ✔
Overload Protection ✔ ✘ ✘
Circuit Test ✔ ✔ ✔
Smart Test ✘ ✔ ✔
Multimeter Mode ✘ ✔ ✔
Voltage Test ✔ ✔ ✔
Polarity Test ✔ ✔ ✔
Oscilloscope Mode ✘ ✔ ✔
Resistance&Diode Mode ✔ ✔ ✔
0–5V Power Supply ✘ ✔ ✔
Fuel Injector Test ✘ ✔ ✔
Sensor/Signal Test ✔ ✔ ✔
Signal Identification ✔ ✘ ✔
Fuse, Relay, and Diode Testing ✔ ✔ ✔
Continuity Test ✔ ✔ ✔
Component Activation ✔ ✔ ✔
Extension Cable ✔ ✘ ✘

 

Home Cart Search Products Account