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VDIAGTOOL V500 All-in-one Intelligent Probe Tester
V500 power circuit probe tester is the the upgraded model of V200/V200Pro, which combines the functions of circuit tester, relay tester, oscilloscope, and multimeter into one tool, totally for troubleshooting any DC 9-30V auto electrical issues.
VDIAGTOOL V500 is an intelligent automotive power probe tools that covers all circuit tests:✔Smart test; ✔Multimeter model; ✔0-5V power supply; ✔Component activation; ✔Fuel injector test; ✔ Relay Test; ✔Oscilloscope mode; ✔ Overload protection; ✔Positive and negative detection; ✔Diode testing; ✔Component testing; ✔ Continuity Test; ✔Fuse Test; ✔ Signal Circuit Test;
VDIAGTOOL V500 smart circuit tester has a wide range of compatibility. Whether you are a professional mechanic or a DIY enthusiast, whether you want to test cars, trucks, or motorcycles, the V500 automotive power probe tool can provide you with an accurate and efficient overall solution.

Why VDIAGTOOL V500 Is The Best Power Circuit Probe Tools?
1. Smart Test:
VDIAGTOOL V500 circuit diagnostic tool features intelligent recognition capabilities, automatically identifying circuit data such as voltage, resistance, and current without requiring manual mode switching. Simultaneously, the V500 rapidly and accurately identifies circuit polarity.
2. Multimeter mode:
VDIAGTOOL V500 circuit tester has built-in multimeter mode.Multimeter mode contains voltage(VDC), resistance(OHM), diode(DIO), current(AMP), frequency & polarity(P-N).
3.0-5V power supply:
VDIAGTOOL V500 car electrical system diagnostic tools supply 0-5V power to provides a stable, adjustable, low-voltage power supply for customers' circuit diagnosis. It can simulate input voltage, debug sensors, test circuit behavior, and calibrate systems,help the user to locate circuit faults quickly
4.Fuel injector test and component activation:
VDIAGTOOL V500 Automotive Circuit Tester delivers four distinct pulse signals to fuel injectors via its probe tip, enabling swift and convenient diagnostics of injector circuits. Supporting a testing range from 0-110V to 260V, it accommodates the vast majority of injector models, assisting vehicle owners in regularly monitoring fuel injector condition.
5.Oscilloscope mode:
VDIAGTOOL V500 automotive power circuit probe tester supports oscilloscope function, it features clear real-time waveform diagrams to test various voltage signals with four parameters: AC/DC voltage, resistance value, frequency, and duty cycle. This makes it advanced for detecting sensors and actuators, circuit connectivity, and faulty ground connections.
6.Overload protection:
VDIAGTOOL V500 can provide powerful overload protection to prevent the internal motherboard of the device from burning out due to short circuit.
7.Relay test:
VDIAGTOOL V500 as a relay tester that ,it can assess cables, ground wires & probes to help customers detect key information ,such as relay switch status, coil health, contact performance, etc. to ensure that the relay works normally in the circuit.
8.Continuity Test:
Checks if a circuit is complete (no breaks in wiring).
9.Poor Ground Test:
Identifies faulty ground connections causing electrical issues.
10.Signal Circuit Test:
Checks electrical signals (e.g., sensor outputs) for proper voltage and waveform.
11.Wide compatibility:
VDIAGTOOL V500 intelligent circuit diagnostic tool not only supports circuit diagnosis of cars, trucks, motorcycles and even ships, but also supports measurements such as 2mV -100V voltage, 0R - 10MR resistance, 2mA-25A current, 10Hz-1000Khz frequency, etc.
12.Support 9 languages:
VDIGATOOL V500 supports 9 languages including ✔English, ✔Chinese, ✔French, ✔Spanish, ✔German, ✔Russian, ✔Italian, ✔Portuguese,✔ Polish, etc., which can effectively help customers overcome language barriers.
13.Online Update & 2 Year Warranty :
VDIAGTOOL V500 power circuit probe analyzer supports online update, 2-year quality guarantee and 24-hour professional technical guarantee to protect your after-sales service.

VDIAGTOOL V500 Smart Multimeter – Auto-Ranging Voltage, Resistance, Diode & Frequency Testing
Auto-Ranging Measurements:
Voltage: 0.00V–100V (with Max/Min recording)
Resistance: 0Ω–200kΩ
Diode Test: Verifies forward/reverse bias functionality
Current: 2mA–25A
Frequency: 10Hz–1MHz

VDIAGTOOL V500 Automotive Oscilloscope – Real-Time Waveform Analysis for Voltage, Frequency & Component Testing
Live Waveform Display: Visualizes voltage, frequency, and timing parameters for intuitive diagnostics.
Wide Measurement Ranges:
Voltage: 2mV–100V DC/AC
Resistance: 0Ω–200kΩ
Current: 2mA–25A
Frequency: 10Hz–1MHz (Oscilloscope: 10Hz–100kHz)
Broad Compatibility: Works with 9V–30V vehicle systems (covers 12V/24V automotive circuits).
Precision Analysis: Captures intermittent faults, signal noise, and component response in real time.

VDIAGTOOL V500 Automotive Power Probe—— Relay Test:
Relay test is mainly used to test the working status and performance of relays. Relays are commonly used switching components in circuits, and their performance and working reliability directly affect the normal operation of the entire circuit. Relay testing can bring the following conveniences:
✔️Detect the on-off status of the relay;
✔️Determine the health status of the relay coil;
✔️Delay and response time test;
✔️Confirm contact performance.

VDIAGTOOL V500 30FT Voltage Probe Tester Multi-Pulse Signal Modes for Diagnostics
Component Activation: Generates control signals to test lights, motors, and other vehicle electronics.
Advanced Injector Testing: Provides 4 programmable pulse modes to simulate real-world injector operation.
User Control: Start/stop functions ([OK]/[ESC] buttons) for precise troubleshooting.
Diagnostic Flexibility: Ideal for verifying injector health, wiring integrity, and ECU signal response.
Multi-Component Support: Tests up to 4 injectors simultaneously (M1–M4).
Pulse Mode Details:
Mode 1: Single 250ms positive pulse (basic activation test).
Mode 2: Cyclic 7ms (+) / 20ms (–) pulses over 1.4s (simulates idle/low load).
Mode 3: Cyclic 4ms (+) / 10ms (–) pulses over 1.4s (high-frequency test).
Mode 4: Continuous 7ms (+) / 20ms (–) pulses (stress testing).
Practical Use:
Enables mechanics to replicate ECU signals, identify faulty injectors, and validate repairs without engine operation.

VDIAGTOOL V500 SET Circuit Continuity Tester Provide Automated Probe Testing
Precision Voltage Output: Adjustable 0-5V supply for accurate component testing and wiring verification.
Smart Alarm Function: Alerts if output voltage deviates by more than ±0.1V from the set value.
Wiring Diagnostics: Helps verify correct wiring and operation of sensors, actuators, and other low-voltage components.
Safety Feature: Prevents potential damage from over/under-voltage conditions during testing.
User-Friendly: Ideal for automotive, electronics, and industrial applications requiring stable low-voltage power.

Supports 9 languages:
✔️English;✔️Chinese;✔️French;✔️Spanish;✔️ German;✔️Russian;✔️ Italian;✔️ Portuguese;✔️Polish.

Packing List:
✔️V500× 1
✔️Relay Test Cable x 1
✔️Probe Tip × 1
✔️Alligator Battery Clip × 1
✔️Fine Probe Tip × 1
✔️Type-C Data Cable x 1
✔️Probe Tip Extension Cable x 1
✔️User's Manual x 1
✔️Wire Piercing Probe x 2
✔️Banana to Banana Plug Test Lead × 2
✔️Fuse x 3
Payment Policy – BILLIONS BIRDS
At BILLIONS BIRDS, we are committed to providing a safe, secure, and seamless payment experience for our customers.
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Delivery Policy – BILLIONS BIRDS
At BILLIONS BIRDS, we are dedicated to delivering your orders safely and efficiently.
1. Order Processing
All orders are processed within 1–3 business days after payment confirmation. Orders are not processed or shipped on weekends or public holidays.
2. Shipping Times
Estimated delivery times vary depending on your location:
Domestic Shipping: 3–7 business days
International Shipping: 7–15 business days
Please note that delivery times are estimates and may vary due to customs procedures, carrier delays, weather conditions, or other unforeseen circumstances.
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Refund Policy – BILLIONS BIRDS
At BILLIONS BIRDS, customer satisfaction is our top priority. If you are not completely satisfied with your purchase, we’re here to help.
1. Return Eligibility
You may request a return within 14 days of receiving your order. To qualify for a return:
The item must be unused, unworn, and in the same condition as received.
The item must be in its original packaging.
Proof of purchase (order confirmation or receipt) is required.
Certain items may not be eligible for return, including clearance items, gift cards, or personalised/custom products.
2. Non-Refundable Items
The following items are non-refundable:
Final sale or discounted items
Gift cards
Items damaged due to misuse, negligence, or improper care
3. Return Process
To initiate a return, please contact our customer support team with your order number and reason for return. If your return is approved, you will receive instructions for returning the item.
Unless the item is defective or incorrect, customers are responsible for return shipping costs.
4. Refund Processing
Once we receive and inspect your returned item:
We will notify you of the approval or rejection of your refund.
If approved, the refund will be issued to your original payment method within 5–10 business days.
Please note that banks or payment providers may require additional time to process refunds.
5. Damaged or Incorrect Items
If you receive a damaged, defective, or incorrect item, please contact us within 7 days of delivery and provide clear photos of the product and packaging. We will arrange a replacement or full refund at no additional cost.
6. Late or Missing Refunds
If you have not received your refund:
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