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KZYEE KM50 Power Circuit Probe Kit, 7 Work Models , Automotive Circuit Tester with AC DC Current Resistance Circuit Tester Fuel Injector Testing (Digital Voltage Tester/Multimeter/Short Finder/Battery Tester) The KZYEE KM50 Power Scan kit is the most revolutionary circuit tester to date, which works off of 12-24 Volt sources, featuring DC Voltage, AC Voltage, Frequency, Duty Cycle, Fuel Injection Circuit Detection, Resistance, and Diode Especially, in AC Voltage, Frequency, Duty Cycle, and Fuel Inject Modes, users can long-press the mode button to switch between Waveform Display Mode and Digital Display Mode. The power scan is indeed the ultimate in power and affordability, allowing users to check circuitry in one single step. An absolute must for every technician who is looking for a fast and accurate solution to electrical systems diagnostic. Advance Features 1. Diagnose 12 ~24V automotive electrical systems swiftly and accurately. 2. Show battery voltage reading and help user determine circuit polarity immediately after connecting the KM50 clips to the vehicle battery. 3. Test DC Voltage, AC Voltage, Frequency, Duty Cycle, Fuel Injection Circuit, Resistance, and Diode. Especially, in AC Voltage, Frequency, Duty Cycle and Fuel Inject Modes, user can long press the mode button for 3 seconds to switch between Waveform Display Mode and Digital Display Mode. 4. Activate electrical components and test their functions without jumper leads – by depressing the rocker switch to conduct a positive or negative battery current to the tip so as to power up electrical components. 5. Test bad ground contacts instantly without performing voltage drop tests. 6. Help user to follow and locate short circuits without using external fuses. 7. Test continuity with the assistance of its auxiliary ground lead. 8. The tool is short-circuit protected. If it becomes overloaded, Its internal circuit breaker will trip to protect the instrument from overload. 9. When the circuit breaker is tripped, the tool will NOT be able to conduct battery current to the tip even when the rocker switch is pressed; however, all other functions of the tool are still active, which means you can still probe a circuit and observe the voltage reading. About this item 【Short Circuit Following and Locating Test Light】The circuit tester is suitable for diagnostic in all 12V to 24V DC vehicle electrical systems. It can check switches, relays and the on-off of diodes, fuses and circuits, which can help you reduce diagnostic time in automotive electrical systems. In most cases, short circuit or instant overload of component will lead to blown fuse or circuit breaker tripping.This probe tester can assist you tracing problem wires and locating breaking points. 【Polarity Identification & Continuity Testing & Jumper Lead Operation】This power circuit probe tester can help you quickly identify positive and negative polarity of electric cables and plugs of vehicles. When the probe tip contact to the positive electrode, the RED light on. When the probe tip contact to the negative electrode, the GREEN light on. It can also test for continuity and do the jumper lead operation with the assistance of its auxiliary ground lead. 【Activate and Test Components In/Out of Vehicle’s Electrical System&Poor Ground Contact Testing】Power circuit probe tester could activate components in and out of the vehicle’s electrical system, test and check the components if defective or not, or if rating current of component is higher than that of the circuit tester. For some components, the negative terminal is required to be well grounded to cope with the flow of large currents, this circuit tester is a good tool to test their grounding. 【20FT Long Cable&LED Light Prompt&Buzzer Warning&Highly Sensitive Probe&Clips with Strong Bite】The cable length of the circuit tracer is about 4m(13ft) which allows you access and test any electrical system easily. The LED indicator and buzzer warning can help you clear problems at a glance. Test light adopts advanced high sensitivity probe, which provides you quick and accurate detection. Its clips with strong bite force which not easy to fall off, providing you better experience. 【Quick Self-Test & Overload Protection】Before you test a circuit or component, the test light can perform a quick self-test to ensure your tool is in good condition. Equipped with overload protection, when the current exceeds 7A, the circuit tester will disconnect the current automatically and give you a buzzer prompt. You can test poor ground contacts directly. Note: This electrical tester can not be used for 110/220V systems, it is only used for DC 12-24V systems. Do not use on AC voltage. 【Automatic Reset Test Light】When the circuit breaker trip is detected, the power circuit probe tester will sound a prompt to remind you that there is a short circuit problem. Then it will automatically reset within 3 to 5 seconds(the prompt sound will automatically turn off), so you can retest or go to test other places. 【Easy Operation Circuit Tester】Unroll the leads. Clamp the red clip of the power circuit probe tester to the positive terminal of the vehicle's battery. Clamp the black clip to the negative terminal of the vehicle's battery. After a simple hook-up of the circuit tracer to the vehicle's battery, automotive technician can conduct a positive or negative battery current to the tip by rocking the power switch forward or backward. Features: 1.Performs every type of service including power injection, measurement, ground testing, polarity checks, continuity testing and components activation 2.Easy to read AVOmeter allows you to read voltage, current and resistance at the fingertip 3.With a flip of the power switch, you have an instant hot/ground lead for powering up electrical components like cooling fans, relays, etc. 4.Simultaneously uses the hot lead and the ground lead to activate components right in your hand 5.Instantly identifies positive, negative and open circuits 6.Tests for bad ground contacts instantly, allowing you to follow and locate shorts fast without wasting fuses 7.Instantly checks continuity of switches, relays and diodes 8.Circuit breaker protected 9.Built-in Flashlight enables you to work in the dark 10.Audio tone indicator allows for no-look menu scrolling once users are familiar with menu tone assignment 11.Long cable 6M/20ft (extendable) provides excellent accessibility to test along the vehicle 12. Powered by vehicle battery directly instead of applying extra battery inside the device. 13. Able to be used in dark places such as engine compartments by the equipped light-emitting diode. 14. The tool is the best electrical tester for reducing diagnostic time in all 8 DC- to 30 DC Voltage vehicle electrical systems. After a simple hook-up of the tool to the vehicle's battery, KM50 has more highlights than other circuit testers. Resistance Test: While the tool in this mode, contact the probe tip to a circuit, then the LCD display will read the resistance between the tip and auxiliary ground lead. Diode Test: In this mode, the probe tip contact the positive terminal of the diode, connect the auxiliary ground lead to the negative terminal of the diode, the screen will display the forward voltage drop, indicates the forward bias. If exchange the probe tip and auxiliary ground lead, the screen will not display the voltage, indicates the reverse bias. Signal Circuit Testing: Once you extract a DTC from the vehicle and realize that troubleshooting begins with some kind of sensor circuit, there is a quick test you can perform to verify the code. Testing your sensor is easy while using the tool. Testing Trailer Lights and Connections: While the tool in DC Voltage mode, clip the auxiliary ground lead to the trailer ground , probe the contacts at the jack and then apply voltage to the probe tip. This lets you check the function and orientation of the connector and trailer lights. Red/Green Polarity LED: The Red/Green Polarity LED lights up when the probe tip voltage matches the battery voltage within ±0.4 volts. It is added information that could be valuable to the technician. Auto Circuit Breaker: The tool is short-circuit protected. Its internal circuit breaker will trip if it becomes overload. The circuit breaker is a valuable test tool as well as a safety measure to protect the tool from overload. More Advance Features to Do Circuit Test Fuel Inject Mode: There are a variety of currently used techniques and tools that can test a fuel injector or injector circuitry; however it usually involves using multiple tools and tests to check every aspect of the injector circuit. Complete testing could take quite a bit of time. Fuel Inject Mode is specifically set up for quick and easy diagnosis of the fuel injection circuit. A quick connection to the circuit and the KM50 will display all the information needed to test the injectors. To reset the maximum and minimum values, press the mode button twice. If no valid injector pulse is detected in this mode, a bar icon will be displayed instead. Frequency and Duty Cycle Mode: The car's electronic control system communicates with various sensors via digital signals. When the car fails, you need to use the instrument to check whether the frequency of the signal or the duty cycle is abnormal. Press the Mode button to enter the menu, and press the Down button momentarily to place the cursor in the frequency mode, and press the Mode button momentarily to enter the frequency waveform display mode. Press the Mode button to enter the menu, and press the Down button momentarily to place the cursor in the Duty Cycle mode, and press the Mode button to switch to the waveform display. Buzzer and LED light are Switchable: When you measure the voltage DC, if the voltage is 0V, the green indicator light will be on and the buzzer will sound twice; if the voltage is above 5V, the red indicator light will be on and the buzzer will sound once. When the resistance value is less than 30Ω, the buzzer of the device sounds and the green indicator LED lights up.DC Voltage ModeDC mode is for testing DC (direct current) voltages. Voltage testing is as easy as contacting the probe tip to a circuit and reading the display.DC Mode is the mode that the KM50 can supply battery power or ground by pressing the rocker switch.AC Voltage ModeThe auxiliary ground wire is connected to one end of the circuit under test, and the probe contacts the other end of the test circuit. The LCD will display the max and mini voltage value, and display the signal waveform in real-time. You can adjust the sampling frequency by pressing the Up/Down Button.Resistance Testing ModeThe probe contacts one end of the measured resistance, and the auxiliary ground lead is connected to the other end of the measured resistance. The LCD will display the resistance between the tip and auxiliary ground lead. When resistance value is less than 30Ω, the instrument buzzer will alarm and the green LED will light. This function can be used as continuity test.Diode Testing ModeContact the probe tip to diode positive terminal, connect the auxiliary ground lead to the diode negative terminal, the screen will display the forward voltage drop, which indicates forward bias. If swapping the probe tip with auxiliary ground lead, the screen will not display voltage, which indicates reverse bias. It also displays the max and mini values during measurement. Resistance Test: While the tool in this mode, contact the probe tip to a circuit, then the LCD display will read the resistance between the tip and auxiliary ground lead. Diode Test: In this mode, the probe tip contact the positive terminal of the diode, connect the auxiliary ground lead to the negative terminal of the diode, the screen will display the forward voltage drop, indicates the forward bias. If exchange the probe tip and auxiliary ground lead, the screen will not display the voltage, indicates the reverse bias. Signal Circuit Testing: Once you extract a DTC from the vehicle and realize that troubleshooting begins with some kind of sensor circuit, there is a quick test you can perform to verify the code. Testing your sensor is easy while using the tool. Testing Trailer Lights and Connections: While the tool in DC Voltage mode, clip the auxiliary ground lead to the trailer ground , probe the contacts at the jack and then apply voltage to the probe tip. This lets you check the function and orientation of the connector and trailer lights. Red/Green Polarity LED: The Red/Green Polarity LED lights up when the probe tip voltage matches the battery voltage within ±0.4 volts. It is added information that could be valuable to the technician. Auto Circuit Breaker: The tool is short-circuit protected. Its internal circuit breaker will trip if it becomes overload. The circuit breaker is a valuable test tool as well as a safety measure to protect the tool from overload.TIPS: 1. KM50 is ONLY for 12-24V vehicle battery electrical systems, and should NOT be used to test 110/220V household appliances or it will be damaged. 2. The LED and LCD draw no more than 100 milliamps of current. So if you use this device as a test light or multimeter, it is safe for computers and airbags. 3. When turning on components, you can extend the life of rocker switch in the tool if you first press the switch, and then apply the tip to the component. The arc will then occur at the tip and not at the metal contacts of the rocker switch. Product SpecificationsSupply Voltage: 8V DC ~ 30V DC；Frequency: 0Hz ~ 1Mhz DC/ AC Voltage Test: -110V ~ 110VDuty Cycle: 0.0~100.0%；Rating Current: 1A~8 A Fuel Injection:Voltage: 0~180V, Time: 0~25msDisplay TFT color display (160x128 dpi )Operating Temperature -10 ~ +60°C ( 14 ~ 140°F)Storage Temperature -20 ~ +70°C (-4 ~ 158°F )Dimensions (L*W*H) 200mm*52mm*39mmNet Weight :1.25Kg(2) Electrical SpecificationsSupply Voltage 8V DC ~ 30V DCDC/ AC Voltage Test -110V ~ 110VFrequency 0Hz ~ 1MhzDuty Cycle 0.0~100.0%Fuel Injection Voltage: 0~180V, Time: 0~25msResistance 0~1MΩDiode Germanium diode, silicon diodeRating Current 1A~8 A Instrument Trip Time:8 Amps: Hold > 1 hour.12 Amps: current: trip in one hour.16 Amps: current: trip in 3-30 seconds.24 Amps: current: trip in 0.5-4.0 seconds Product Appearance Introduce 1) Probe Tip - Contacts the circuit orcomponent to be tested. 2) LED Lights - Illuminates dark workareas or work areas at night. 3) LCD Display - Indicates test results,test data and waveforms. 4) Red/ Green Polarity Indicator -Identifies positive, negative or open circuits. The RED Indicator lights when the Probe Tip is contacting a positive circuit. The GREEN Indicator lights when the probe tip is contacting a negative or negative voltage circuit. When the resistance is being measured, the green indicator light is on when the resistance is less than 30Ω. 5) Function Button: Switching Light ON &OFF/Up Button - short press is the up button, long press is to turn the light on/off; Mode Button - for selecting test mode; S ilent/Down Button - short press is the down button, long press is to turn on/off the buzzer. 6) Rocker Switch - Allows you to conduct a positive or negative battery current to the tip for activating and testing the function of electrical components. 7) Auxiliary Ground Lead - Assists test as a ground lead. 8) Red/Black Alligator Clips - Clip the red alligator clip to the battery positive pole; Clip the black alligator clip to the battery negative pole. PaymentDelivery detailsTerms of salesAbout usContact usPayment We accept all common forms of payment such as Credit cards、Debit card、Google Pay ect. Please contact us if you need to use another method to pay. Payment should be made within 7 days after bidding ends. Otherwise a Unpaid Item case will be opened to you. We are not responsible for buyers’ local taxes. Please include your special requests in eBay note if there is any.Delivery detailsOrder will be shipped within 1 business day after payment confirmed.We have warehouse in USA, From our US warehouse via UPS or USPS shipping. Delivery time varies from 2 to 5 business days.We will ship according to your eBay address. Please make sure it is correct and include phone number for delivery.If you do not receive your order in the estimated time, please contact us, we would do our best to serve you solve the problem. Please include your special requests in eBay note if there is any.Terms of salesReturn PolicyPlease return the item within 60 daysafter receiving if you are not happy with your purchasing.All returns are expected to be in original conditions, please email us first for return address and instructions. We are authorize distributor, our all items are 100% original and Our devices have warranty, 5 Year free repair for the devices. Please contact us firstly when you need warranty service. In case an item arrives faulty, please contact us as soon as possible and keep it unused. We will instruct you on how to return and get refund or replacement. If the item has been used, we have the right to decline your claim. Items should be returned on buyers' cost for repair or replacement.About usWho We Are? We are specialized dealer of On-Board Car Diagnostic tools and automotive electronics for more than 10 years. We are authorized first class distributor of Launch, Foxwell, Autek, Ancel, Innova, Autophix, Thinkcar, Kzyee brands, and more brands will be show in our store in near future. What Do We Have? We have office and warehouse in US to ensure fast shipment and after-sale service. We have more than 100 employees devoting to customer satisfaction. Contact us 1:If youhave any problem about the goods, please contact us before leaving Neutral/Negative feedback.We promise to help you solve it asap, and make you feel satisfactory absolutely. 2: our business time:M-F: 9:30AM - 18:00PM BST (Beijing Standard Time) 3:Please leave us Positive Feedback and 5-stars★★★★★after you received our package you are satisfied with it. as you know, every seller works hard for the positive feedback. We will do the same as soon as we can too.On Oct 11, 2023 at 14:06:36 PDT, seller added the following information: