TopDiag - Buying Guide

Bestselling from TopDiag on Amazon

1. Topdiag P60 Probe Tester, Digital LED Power Circuit Probe Kit (0.3-70V), Upgraded Ver. 2024 Newest A...
2. Topdiag P60 Power Circuit Probe Kit Component Activation Short Circuit Finder Continuity Test Voltag...
3. TopDiag P200 Power Circuit Probe Kit, Automotive Circuit Tester 2024 Newest Online Update, 9~30V wit...
4. TopDiag P100 Automotive Circuit Tester, 40Ft Cable, Power Circuit Probe Tester, AC DC Digital Voltag...
5. Topdiag P200 Power Circuit Probe Kit - Advanced Automotive Electrical System Multimeter, Oscilloscop...
6. Topdiag P55 Electrical Tools Circuit Tester Component Activation Continuity Test Trailer Light Teste...
7. TopDiag P100 Pro Power Circuit Probe Kit, 9v-30v Automotive Circuit Tester 12V 24V AC DC Digital Vol...
8. TopDiag P100 Pro Power Circuit Probe Kit - Automotive Digital Multimeter Tester, Oscilloscope, and C...
9. P200 Automotive Circuit Tester, 9-30V Automotive Short Finder, Power Circuit Probe Tester Multimeter...
10. TopDiag P200 Pro Power Circuit Probe Kit (Upgraded Ver. of P200), 2024 Newest Automotive Circuit Tes...

Features

• [Automotive Circuit Detection Tool] P60 designed to help diagnose problems in a vehicle's electrical system by testing the presence of electrical current in individual circuits. such as Voltage Detection, Component Activation, Diode Detection, Ground Detection, Trace Locate Short Circuit, +- detection.
• [Component Activation] To use component activation with a circuit tester, you typically connect the tester to the circuit and then use the tester's controls to activate or control specific components, such as relays, solenoids, or actuators. By allowing you to activate or control specific components in a circuit, you can help diagnose problems more quickly and accurately, and make repairs more efficiently.
• [Continuity Test] A continuity test is a basic feature of many circuit testers that allows you to test the path of electrical current through a circuit. Continuity tests can be useful for diagnosing a variety of electrical problems, such as identifying broken wires, open circuits, or faulty switches or relays. By quickly identifying these types of problems, you can help diagnose and repair electrical issues more efficiently.
• [Short Circuit Located & Diode Detection] Topdiag P60 power circuit tester can be used to trace and locate the short circuit, help you accurately and quickly troubleshoot faulty components. And compared with P55, P60 test probe adds the function of testing diodes, which is easy to operate and efficient, saving a lot of time and money for the majority of vehicle owners.
• [Grounding Test & Jump Lead Function] Topdiag P60 circuit tester supports grounding test and jump lead function, allows you to test if there is a bad ground or failure in the power supply of your vehicle. In addition, P60 probe tester is bulit-in the LED lights on its top to illuminate the work environment, allows you to work better in the dark.
• [After-sales Service] We will provide 1 year warranty and FULL refund or new replacement with 30 days of every customer who purchases P60 probe tester automotive, and if you have any questions about our product, please do not hesitate to contact us and we will find out the perfect solution for you.
• [Compatible with Different Vehicle Types] Topdiag P60 can be widely used on all of 6-30V cars, pickup trucks, motorcycle, SUV, excavators and steamships, etc. Bringing high-quality vehicle diagnostic experience to car owners around the world has always been the purpose and pursuit of Topdiag!
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Features

• [Topdiag P60 Power Circuit Probe Tester] Topdiag P60 is an electric tester which has more than 9 practical functions and classic design, it is able to test voltage, detect positive/ negative pole, activate component, test continuity and grounding, test trailer lights and connectors, tracing and locating short circuits and perform jump lead function. Choosing Topdiag P60 is choosing a better and more intelligent life!
• [Component Activation & Voltage Test] Before you perform the component activation function, you need to do the quick self-test to make sure that the power tool component kit is in good condition, then you can use P60 power tester to activate most of components of your car, such as starter, solenoid, fuel pump, cooling fan and headlights, etc. And Topdiag P60 electrical tester has LCD display screen so it can easily test the voltage in the range of 0.3-70V and display the value on the screen.
• [Short Circuit Located & Diode Detection] Topdiag P60 power circuit tester can be used to trace and locate the short circuit, help you accurately and quickly troubleshoot faulty components. And compared with P55, P60 test probe adds the function of testing diodes, which is easy to operate and efficient, saving a lot of time and money for the majority of vehicle owners.
• [Grounding Test & Jump Lead Function] Topdiag P60 circuit tester supports grounding test and jump lead function, allows you to test if there is a bad ground or failure in the power supply of your vehicle. In addition, P60 probe tester is bulit-in the LED lights on its top to illuminate the work environment, allows you to work better in the dark.
• [Compatible with Different Vehicle Types] Topdiag P60 can be widely used on all of 6-30V cars, pickup trucks, motorcycle, SUV, excavators and steamships, etc. Bringing high-quality vehicle diagnostic experience to car owners around the world has always been the purpose and pursuit of Topdiag!
• [After-sales Service] We will provide 1 year warranty and FULL refund or new replacement with 30 days of every customer who purchases P60 probe tester automotive, and if you have any questions about our product, please do not hesitate to contact us and we will find out the perfect solution for you.
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Features

• 15+ Diagnostic Car Services for Automotive System Multiple functions - almost covering the probe tools on the market. With Multimeter function, Oscilloscope mode, Continuity testing, Relay test, Activating components in your hand, Power supply/ground detecting/open & short testing, Trailer lights testing, Signal circuit testing, Checking for Bad Ground Contacts, Clean the Injectors, 20FT extension cable & LED light, AC/DC voltage/resistance/diode/frequency testing.
• Multimeter & Oscilloscope Tester The P200 Circuit tester will be the more versatile and powerful Power Circuit Probe Kit you've ever seen. Contains the multimeter's DC voltage (VDC), resistance (OHM), diode/on-off test (DIO), current (AMP) and frequency test functions, combined with the unique oscilloscope function and buzzer, can test components according to voltage, resistance value, frequency duty cycle, and waveform diagrams to quickly diagnose problems with your circuit system.
• Activating Electrical Components Being able to ap-ply battery power or ground right to the probe tip gives you the ability to activate and dynamically test electrical components such as lights, motors and solenoids.
• Smart Test & Positive & Negative Test When connected to the probe of Car Electrical Test Tool to measure voltage, resistance, positive/negative polarity, it will automatically become an instant auto-range, intelligent judgment does not require manual selection, and the corresponding parameter values and prompts are displayed on the HD LCD screen. With a 20ft cable, you can quickly assist you in diagnosing the car's condition without opening the wiring.
• Clean the fuel injector It is extremely important to regularly test the fuel injector. P200 provides 4 types of pulse signals (once or multiple times) combined with car cleaner to achieve maximum cleaning effect.
• Relay Test There s nothing worse getting stuck on the trail at night because your light relay burnt out, losing your radio in the middle of a road trip, or not being able to finish your project because you re short one small relay. With our P200 relay test, fix your lights on the fly, and keep the road trip rocking all night long.
• Widely Application P200 Circuit Tester is widely testing continuity, signal circuit, activating components in your hand and in the vehicle, finding bad ground and short circuits, test trailer lights. It's a fast and efficient electrical testing tool designed for the modern automotive technician, mechanic, engineer.
• 18 Languages & Firmware Upgrade You can choose from 18 languages.You can easily use a USB data cable to connect Circuit tester automotive to a computer to perform an online upgrade program.
• 1-YEAR WARRANTY, PERFECT SERVICE Topdiag Car circuit tester provides 1-year warranty, and supports 30 days no reason to return.
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Features

• 2024 COST-EFFECTIVE POWER CIRCUIT TESTER KIT Topdiag P100 Circuit Tester is most accurate power circuit probe tester yet, with 160 x 128 dpi TFT display, it can test all 0-70 volt vehicle electrical systems. It supports Voltage & Polarity Testing, Resistance Continuity Testing, AC Circuit Singal Testing, Components Activation, Testing Trailer Lights and Connections. interface with ergonomic design makes it be best gift for all novice drivers or pro circuit repairers.
• MULTIPLE WORKING MODE Multiple working modes make circuit detection more simple: P100 Power Circuit Probe Kit is mainly used to test car battery voltage, AC and DC voltage test, resistance, leakage, short circuit, component activation overload protection and other car circuit system problems. Auto circuit tester with large battery clip, can carry more load. Support wide input voltage range from 9V to 70V, also support 12V cars and 24V trucks.
• POWEFUL COMPONENT ACTIVATION Components Activation in your hand, in the vehicle or W/Ground. Topdiag P100 designed to troubleshoot on/off-board electrical equipment. By activating the signal generated by the component, you can accurately judged whether the component is intact, such as blower motor, power window motor, windshield wiper, rear window defroster, lights, radiator fans, fuel injectors, etc.
• 40FT EXTENSION CABLE Topdiag circuit tester comes with 20FT +20FT cable, which allows you to access any position of the vehicle and test it. Ideal for trailer wiring, it can be tested along the vehicle without having to find a suitable ground point. The built-in flashlight is convenient for detection, even in the dark or dim environment, it can provide the best view for who need to work in night.
• OVERLOAD PROTECTION Topdiag Electrical System Probe Tester has a built-in short circuit protection. When overloaded, built-in internal short circuit will automatically trip to ensure the safety of users and prolong the service life of the tester. Checking for Bad Ground Contacts and Locating Short Circuits.
• WIDELY APPLICATION &SAFETY DESIGN Wide range applications,professional diagnosis, support Multi-languages.The P100 Automotive Circuit Tester can be used as electrical tester, breaker finder, power tester, wire tester, car fuse tester, continuity tester, Short Finder, automotive multimeter, etc.
• 1-YEAR WARRANTY, PERFECT SERVICE Topdiag Car circuit tester provides 1-year warranty, and supports 30 days no reason to return.
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Features

• [P200 Automotive Diagnostic Scanner] Topdiag P200 car scanner can be used to test voltage, fuel injector, diode, continuity, polarity, etc, which is the only upgradeable automotive circuit tester on the market. It is a tool for quickly testing all 9V-30V electronic systems. The test time is greatly shortened, convenient, fast and intelligent!
• [Multimeter & Oscilloscope Mode] There are two basic functions of P200 car diagnostic scanner-one is the multimeter mode, which can quickly test DC voltage, resistance, continuity, diode, current and frequency; the other function is oscilloscope, which can quickly analyzes and diagnoses the problems of vehicles by display electrical waveforms on the screen.
• [Fuel Injector Testing] If the fuel injector is damaged, that will easily lead to engine idling instability, fuel consumption increase, cause engine shock. Also, Topdiag P200 scan tool also a relay tester automotive kit, which will make it more convenient for the owner to check whether the fuel injector and other parts of the vehicle in a good condition regularly.
• [Component Activation Function] P200 diagnostic scanner can activating components of vehicles, which is used to generate activation signals to the detected components, such as activating lights. There are two activation methods, positive activation and negative activation. The maximum current through activation can reach 20A, There are the three activation modes: MOMENT, LACH and PULSE.
• [0~5V Adjustable Power Supply] Togdiag P200 is a car scanner diagnostic for all cars, so it can adjust 0~5V output voltage to check the circuit connection and it is also useful to check the wiring to the ECU/ ECM, which can ensure the safety of the tested vehicles.
• [Positive & Negative Test] Use the car scan tool's probe to find the positive and negative of the power supply. If it is positive,the screen will display the probe voltage and the buzzer will alarm. If it is negative, the grounding icon is displayed on the screen.
• [Circuit Breaker & Overloaded Protection] With the function of automatic short-circuit protection and overloaded protection, you can think of the Topdiag P200 as a digital circuit breaker finder, its internal circuit breaker will open circuit or trip automatically if it becomes overloaded.
• [Multiple Languages & Online Upgrade Available] Our automotive scanner diagnostic tool supports 18 languages and online upgrade. When you need to upgrade,connect the device to the computer and after the upgrade software is opened, long press the left key and OK key at the same time. The computer can detect the device memory card, then click the software and follow the steps to upgrade.
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Features

• [Topdiag P55: Efficient Electrician Tools While Driving] Here is a must-have repair tool for car owners or technicians - Topdiag P55 automotive circuit tester. It is capable of performing component activation function, positive and negative pole detection, continuity test, grounding test, test trailer lights and connectors, tracking and locating short circuits and jumper lead function, etc. Topdiag P55 power circuit probe tester is your perfect travel companion which will save a lot of bills and
• [Quick Self-test & Component Activation Function] When you get P55 electrical tester in your hand, you can use it to perform a quick self-test, to confirm whether your car is in a good condition. In addition, component activation function allows you to activate different components of your vehicle, such as starter, fuel pump, cooling fan, headlights and blower, etc. When your car needs diagnosis, Topdiag P55 can meet your needs properly.
• [Continuity Test & Grounding Test] Topdiag P55 can be used as a continuity tester, you can see the lights to determine the continuity of the vehicle. Furthermore, it supports grounding detection, which can help you identify whether there is a bad ground in your car. And this power tester also bulit-in dual LED lights to light up the work area, helps you to work better in the dark.
• [Jump Lead Function & Short Circuit Located] With jump lead function, Topdiag P55 automotive circuit tester can be used to detect failures in the power supply part of your vehicle. And it is able to track and locate short circuits, you can use it to determine the location of a short circuit and no need to ask for help from technicians. All these practical functions make the Topdiag P55 electric tester a wise gift choice for car owners or DIYers.
• [Wide Vehicle Coverage & After-sales Service] Topdiag P55 electrical tools for electrician is Compatible with different vehicle models, including but not limited to cars, pickup trucks, SUV, motorcycles, excavators and steamships, etc. Each Topdiag P55 tester electric is directly from Topdiag factory and come with 1 year warranty, FULL refund or new replacement within 30 days services. If you have any questions about our product, please feel free to let us know and we will try our best to help y
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Features

• International products have separate terms, are sold from abroad and may differ from local products, including fit, age ratings, and language of product, labeling or instructions
• Multimeter A multimeter is a versatile and essential electronic measuring tool used to measure various electrical parameters in a circuit; The name multimeter comes from its ability to measure multiple electrical properties, including voltage, current, resistance, capacitance, diode test and continuity
• Oscilloscope An oscilloscope in a car is a diagnostic tool used by automotive technicians to analyze the electrical signals produced by various components in a vehicle; It works by displaying the electrical waveforms of signals, such as those produced by sensors, actuators, and control modules, on a screen for analysis; By interpreting the waveforms displayed on the screen, technicians can diagnose a wide range of electrical problems, such as voltage drops, intermittent connections
• Activating a Component Typically refers to the process of turning on or engaging a particular part of the car's system, such as an engine, a fuel pump, or an electrical component; This is often done during diagnostic procedures or repairs to test whether a component is functioning properly; For example, a mechanic might activate the fuel pump to see if it is delivering fuel to the engine, or activate the air conditioning system to check for proper operation
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Features

• [P100 Pro Circuit Tester] The P100 Pro is an intelligent automotive circuit tester designed for testing voltage, resistance, and detecting faults in vehicle electrical circuits. Upgradeable and user-friendly, it helps you efficiently diagnose and troubleshoot your car.
• [Oscilloscope Function] The oscilloscope function of this probe tester displays accurate electrical waveforms on the screen, allowing you to analyze AC/DC signal voltage, detect voltage fluctuations, and identify connection issues. It also features a built-in LED light for working in low-light conditions.
• [Multimeter Mode] Our multifunctional automotive power circuit probe tester serves as an essential tool for every vehicle owner. With quick and precise measurements of voltage, resistance, diode, frequency, and continuity, it greatly simplifies automotive circuit diagnosis.
• [Component Activation] Easily connect the power circuit probe tester to your vehicle battery and test the functionality of various components like starters, windshield wipers, or air conditioning system. Ensure that everything is working properly.
• [Free Online Upgrade] Enjoy free online upgrades for our automotive diagnostic tool. We continuously improve the functionality of the car circuit tester based on user feedback and latest car specifications, providing you with a smooth and enhanced diagnostic experience.
• [0-5V Power Supply] P100 Pro car diagnostic tool has a 0-5v power supply function that other common circuit test tools do not have. When the circuit connected to the probe tip forces the voltage above or below the set point voltage of 0.5 volts, the device will sound an alarm to know that the output voltage is different from 0 to 5V(current 100mA) in 0.5 volt increments.
• [Multiple Languages Available] A total of 14 languages are supported in the automotive electrical tester, include English Spanish German French Portuguese Italian,etc.
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Features

• Upgraded Circuit Test Kit : P200 Automotive Circuit Tester features: 1.Intelligent identification of voltage/resistance 2.Multimeter mode 3.Relay test 4.Injector test 5.Diode test 6.Oscilloscope function 7.0-5V adjustable power supply 8.Activation of vehicle components 9.Positive and negative polarity test 10.Intelligent circuit breaker protection 11.Screen style background optional 12.Network can be upgraded online 13.Built-in Multi-lingual settings.
• Smart Test : Power Circuit Probe Kit can automatically identify the signal under test, Automotive circuit tester Accurately and quickly detect voltage and resistance, and save time for switching between different test modes. Equipped with about 20ft extension cord for you to reach all around your vehicles, trucks and trailers. Also, the built-in flashlight can illuminate your working area.
• Circuit Probe Tester Specifications And Parameters : P200 Automotive Circuit Tester Parameters: Operating temperature: 0 - 60 C (32 - 140 f ) Storage temperature: 40 - 70 C (- 40 - 185 f ) External power supply: 12V or 24V, powered by battery Minimum working voltage: 9V -- 30V Maximum measured voltage: 0.1V -- 150V Resistance measurement range: 1 ohm ~ 200K ohm Measuring current range: 0 ~ 18a Maximum continuous current: 18a.
• Component Activation : TopDiag P200 auto circuit tester has 3 activation modes and overload current settings can supply power to components such as lamps, cooling fans, starters, relays, and washers. The 0~5V power supply function is very effective when checking the wiring with ECU. Powered by the car battery.
• About Service : power circuit probe tester kit extensive application, professional diagnosis, support multi language. If you have any questions about powerful circuit tester kit, please email us and we will reply to you within 24 hours.
• Widely Application P200 Circuit Tester is widely testing continuity, signal circuit, It is a tool for quickly testing all 9V-30V electronic systems. The test time is greatly shortened, convenient, fast and intelligent! which is the only upgradeable automotive circuit tester on the market.
• Technical assistance If you have any installation problems about P200 Automotive Circuit Tester, please contact us at any time. We can provide technical support.
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Features

• Powerful and More Accurate Probe Tester Kit The P200 Pro Automotive Circuit Testeris an improved version of the P200, a tool for quickly testing all 9V-48V electronic systems. It can diagnose problems in the components, electrical circuit systems or fuel injectors of the car in the shortest time. Not only the test time is greatly shortened, but also more intelligent and intuitive, suitable for any novice driver or maintenance engineer.
• Probe Tester Kit for Automotive System Multiple functions - almost covering the probe tools on the market. With Multimeter function, Current Leakage Record Oscilloscope mode, Continuity testing, Relay test, Activating components in your hand, Power supply/ground detecting/open & short testing, Trailer lights testing, signal circuit testing, Checking for Bad Ground Contacts, Clean the Injectors, 20FT extension cable & LED light, AC/DC voltage/resistance/diode/frequency testing.
• Current Leakage Detection P200 Pro Tester has a 2.4-inch screen, supports detection of current size and real-time current, and displays the current graph on the screen. You can watch the current situation for up to 1 hour and play it back to understand the current leakage.
• Smart Test & Positive & Negative Test When connected to the probe of Car Electrical Test Tool to measure voltage, resistance, positive/negative polarity, it will automatically become an instant auto-range, intelligent judgment does not require manual selection, and the corresponding parameter values and prompts are displayed on the HD LCD screen. With a 20ft cable, you can quickly assist you in diagnosing the car's condition without opening the wiring.
• Multimeter & Oscilloscope Tester The P200 Pro Circuit tester will be the more versatile and powerful Power Circuit Probe Kit you've ever seen. Contains the multimeter's DC voltage (VDC), resistance (OHM), diode/on-off test (DIO), current (AMP) and frequency test functions, combined with the unique oscilloscope function and buzzer, can test components according to voltage, resistance value, frequency duty cycle, and waveform diagrams to quickly diagnose problems with your circuit system.
• 18 Languages & On-line Firmware Upgrade You can choose from 18 languages.You can easily use a USB data cable to connect Circuit tester automotive to a computer to perform an online upgrade program. Even though the vehicle is updated every year, our Car Circuit Tester can keep up with the upgrade and never fall behind!
• Widely Application P200 Pro Circuit Tester is widely testing continuity, signal circuit, activating components in your hand and in the vehicle, finding bad ground and short circuits, test trailer lights. It's a fast and efficient electrical testing tool designed for the modern automotive technician, mechanic, engineer.
• Support Online Upgrade For the upgrade steps, connect the device to the computer, after the upgrade software is opened, press and hold the left and OK keys at the same time, the computer can detect the device memory card, and then click the software to upgrade according to the steps.
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Features

• Topdiag BT500 Universal Battery Tester: Topdiag BT500 is an intelligent car battery diagnostic tool, which is able to detect the real-time temperature of the environment and provide more accurate test results through the real-time ambient temperature. A series of tests can be performed when you get BT500 in your hand: Battery Test, Load test, Start test, Charging test, Relay test and Leakage test.
• Battery Test Function: Topdiag BT500 can be used for daily maintenance and inspection of car batteries. As a car battery tester, BT500 is suitable for different test standards, include CCA, JIS, GB, SAE, MCA, DIN, IEC, EN, BCI and more. Regular battery testing can keep the car battery in good working condition at all times and effectively avoid unexpected breakdowns.
• Relay Test: With relay test function, BT500 relay tester can be used to test whether the function of relay is working properly, connect the main unit to the relay test box via type-c to activate the relay, verify that the contacts switch properly and that the relay has proper continuity or power flow.
• Battery Leakage Detection: BT500 battery checker allows you to detect if there is a leakage in the car battery, and help determine the cause of the battery leakage. It can also help detect the source of battery drain issues that make it difficult to start the vehicle. Putting a Topdiag BT500 in the car is the wise choice for every car owner.
• Built-in Charging Test: Topdiag BT500 battery testers are support charging system test of the car, it helps to make sure the alternator is in good running condition. Car owner or technician can estimate the performance of the charging system through battery voltage, load test, ripple test.
• Start Test: Topdiag BT500 battery analyzer can operate a start test to check whether the battery have enough power to start the engine. It can effectively avoid the situation that the engine cannot be started due to insufficient battery power. BT500 supports one-click printing, which means reports for all tests are available.
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Features

• Topdiag P200 car scanner can be used to test voltage, fuel injector, diode, continuity, polarity, etc. BT500 is an intelligent car battery diagnostic tool, a series of tests can be performed when you get BT500 in your hand: Battery Test, Load test, Start test, Charging test, Relay test and Leakage test.
• [Topdiag P200: Fuel Injector Testing] If the fuel injector is damaged, that will easily lead to engine idling instability, fuel consumption increase, cause engine shock. Also, Topdiag P200 scan tool also a relay tester automotive kit, which will make it more convenient for the owner to check whether the fuel injector and other parts of the vehicle in a good condition regularly.
• [Topdiag P200 - Positive & Negative Test] Use the car scan tool's probe to find the positive and negative of the power supply. If it is positive,the screen will display the probe voltage and the buzzer will alarm. If it is negative, the grounding icon is displayed on the screen.
• [Topdiag BT500: Battery Test Function] Topdiag BT500 can be used for daily maintenance and inspection of car batteries. As a car battery tester, BT500 is suitable for different test standards, include CCA, JIS, GB, SAE, MCA, DIN, IEC, EN, BCI and more. Regular battery testing can keep the car battery in good working condition at all times and effectively avoid unexpected breakdowns.
• [Topdiag BT500 - Built-in Charging Test] Topdiag BT500 battery testers are support charging system test of the car, it helps to make sure the alternator is in good running condition. Car owner or technician can estimate the performance of the charging system through battery voltage, load test, ripple test.
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Features

• Multimeter & Oscilloscope Tester The P200 Circuit tester will be the more versatile and powerful Power Circuit Probe Kit you've ever seen. Contains the multimeter's DC voltage (VDC), resistance (OHM), diode/on-off test (DIO), current (AMP) and frequency test functions, combined with the unique oscilloscope function and buzzer, can test components according to voltage, resistance value, frequency duty cycle, and waveform diagrams to quickly diagnose problems with your circuit system.
• Activating Electrical Components Being able to ap-ply battery power or ground right to the probe tip gives you the ability to activate and dynamically test electrical components such as lights, motors and solenoids.
• Smart Test & Positive & Negative Test When connected to the probe of Car Electrical Test Tool to measure voltage, resistance, positive/negative polarity, it will automatically become an instant auto-range, intelligent judgment does not require manual selection, and the corresponding parameter values and prompts are displayed on the HD LCD screen. With a 20ft cable, you can quickly assist you in diagnosing the car's condition without opening the wiring.
• Clean the fuel injector It is extremely important to regularly test the fuel injector. P200 provides 4 types of pulse signals (once or multiple times) combined with car cleaner to achieve maximum cleaning effect.
• Relay Test There s nothing worse getting stuck on the trail at night because your light relay burnt out, losing your radio in the middle of a road trip, or not being able to finish your project because you re short one small relay. With our P200 relay test, fix your lights on the fly, and keep the road trip rocking all night long.
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Features

• Upgraded Multimeter : The P100 Pro features an easy-to-use multimeter mode that allows users to switch between different test modes, such as DC voltage (VDC), resistance (OHM), diode/continuity tests.
• Intelligent Identification : The instrument is equipped with intelligent voltage and resistance identification, ensuring accurate measurements and efficient diagnostics.
• 0-5V Adjustable Power Supply : The P100 Pro includes a 0-5V adjustable power supply mode, which allows users to adjust the voltage output under 5V and limit the current under 100mA. This feature ensures the safety of electric components and prevents burning out.
• Component Activation : This instrument is designed with a component activation function, which generates activation signals to tested components such as lights, motors, and other on-board electric equipment. This allows for easy testing and activation of various components.
• P100 Pro Circuit Tester Kit : The P100 Pro comes in a kit that includes multi-meter functions, advanced diagnostic test modes, an easy-to-read color LCD display, and a rugged, water, and dust-resistant housing. This makes it suitable for use in different environments and ensures durability.
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Features

• Upgraded Multimeter : The P100 Pro features an easy-to-use multimeter mode that allows users to switch between different test modes, such as DC voltage (VDC), resistance (OHM), diode/continuity tests.
• Intelligent Identification : The instrument is equipped with intelligent voltage and resistance identification, ensuring accurate measurements and efficient diagnostics.
• 0-5V Adjustable Power Supply : The P100 Pro includes a 0-5V adjustable power supply mode, which allows users to adjust the voltage output under 5V and limit the current under 100mA. This feature ensures the safety of electric components and prevents burning out.
• Component Activation : This instrument is designed with a component activation function, which generates activation signals to tested components such as lights, motors, and other on-board electric equipment. This allows for easy testing and activation of various components.
• P100 Pro Circuit Tester Kit : The P100 Pro comes in a kit that includes multi-meter functions, advanced diagnostic test modes, an easy-to-read color LCD display, and a rugged, water, and dust-resistant housing. This makes it suitable for use in different environments and ensures durability.
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Features

• [Topdiag P55 Power Circuit Probe Tester] Topdiag P55 is able to detect positive/ negative pole, activate component, test continuity, grounding test and locating short circuits. It supports all 12-24V vehicle electrical system inspection Including cars, trucks, SUVs, excavators, boats, backhoes, etc.
• [Component Activation] To use component activation with a circuit tester, you typically connect the tester to the circuit and then use the tester's controls to activate or control specific components, such as relays, solenoids, or actuators. By allowing you to activate or control specific components in a circuit, you can help diagnose problems more quickly and accurately, and make repairs more efficiently.
• [Continuity Test] A continuity test is a basic feature of many circuit testers that allows you to test the path of electrical current through a circuit. Continuity tests can be useful for diagnosing a variety of electrical problems, such as identifying broken wires, open circuits, or faulty switches or relays.
• [Ground Detection] A ground connection is a safety feature that provides a path for electrical current to flow safely into the ground in the event of a fault or electrical surge, preventing potential damage to equipment or harm to individuals.
• [Trace Locating a Short Circuit] involves using the tester to identify the exact location where a short circuit is occurring in an electrical circuit. By quickly identifying these types of problems, you can help diagnose and repair electrical issues more efficiently.
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