Top 10 Best Usb Volt Meter

Smart Digital MultimeterThanks to its Smart Auto Mode, TESMEN TM-510 4000 counts smart digital multimeter allows you to quickly switch between all measurement tasks, including ACDC voltage, resistance, and continuity, without selecting a mode or range. It makes measuring work easy, fast, and accurate. Non-contactCompletely safe Non-Contact Voltage test with a visual and audible alarm a time-saving and safe feature. You can measure the voltage on the AC wire without having to connect the wire, which makes troubleshooting the line much easier. Safety GuaranteeCAT II 600V, CE, and RoHS certified. Overload protection measures are used inside the instrument to improve the product's safety performance and maximise users' safety. The outer silicone cover protects the multimeter from damage and potential electric shock. User FriendlySupports Data Hold, Automatic Shutdown, Low battery indicator, Backlight display, and Flashlight. All these convenience features make the instrument more than enough for daily use by amateurs, car owners, and homeowners. Easy to use, enjoy endless DIY fun. Worry-free After-salesPackage includes a digital multimeter, 2 test leads, a storage bag, 2 AAA batteries, and a user manual. We provide a 3-year maintenance service and lifetime technical support. If you have any questions or problems while using the product, don't hesitate to contact us.

Why slightly more expensive than othersThe FNB58USB tester is a higly safe,reliable and stable USB voltage and current detection meter and a mobile communication terminal fast chargingtrigger.It is equipped with a 2.0-inch full-color ultra-wide viewing angle TFT LCD display, integrated USB-A, Micro-USB, Type-C interface. It can be used to measure the power supply or power consumption of products such as USB interfaces, mobile phone chargers, and U disks it can be used to measure the charging power of mobile phones and the input and output of mobile power supplies it can be used to test the fast charging protocol of chargers. . Fast Charge Protocol Trigger DetectionFNB58 usb tester not only supports trigger detection of various fast charging protocols, sych as QC2.0QC3.0 trigger, FCPSCP trigger, AFC trigger, PD2.03.0 trigger, VOOCWARP trigger, Super VOOC 1.02.0 trigger, but also supports automatic monitoring, MTK-PE automatic detection and QC2.O-PD2.0 protocol conversion. . Four Functions Curve Display1. FNIRSI usb tester supports real-time voltage and current curve for view recharging curve changes in real time 2. FNIRSI usb tester supports up to 9 hours offline voltage and current curve recording 3. DD1 voltge curve can show the recharging protocols changes in real time 4. FNIRSI usb tester provides the high-speed power ripple measurement curve of chargers. Any abnormal charging could be found immediately. . Parameter Detection and RecordingThe Fnirsi USB tester can record 10 sets of data of the charge- discharge enegery recording and calculate the capacity of the built-in batteries. It can record 1 set of voltage and current curve up to 9hours. I supports low-speed waveformvoltage, current, DD- drawing,2sps-100sps sampling rate. It supports high-speed ripple voltage, AC couplingdrawing, up to 4M sps sampling rate. The display of data is accurately up to 0.00001 VAW. . multifunctional USB testerCompared with other usb testers, FNIRSI usb tester is multifunctional.It can measure the internal resistance of the cable by differential pressure method. It could measure the date of the cable powered by E-Marker chip and DASH cable. Besides, startup time recording, onboard temeraure measurement, PD monitoring, etc. . Blutooth function for ANDROIDFor andorid smartphone users, there is an app to download. And open the bluetooth function you could synchronize the date to your smarthone and the computer. And there will be an overvolatge and overcurrent alarm in the app..

Guide Video Testers are widely used in the quality inspection of 3C digital peripheral products, and are the first choice for digital gamers and electronic enthusiasts.Real-time detection of the state of charge of the appliance, voltage, current, power and other indicators at a glance Measuring voltage 3.7V-30V measuring current 0-4A.. The AT34 uses a 0.96-inch IPS high-definition color LCD display to display the state of charge of the appliance, voltage, current, capacity, energy, power, equivalent impedance, temperature and other indicators at a glance. 160 degree wide viewing angle, high brightness and long working life. Fast charge recognition, widely compatible AT24 supports QC2.0, QC3.0, i Phone 2.4A2.1A1A0.5A, Andriod DCP, fast charge protocol identification, let you know the state of charge of the phone.. Power-off storage, data is guaranteed AT34 has power-off storage function, which can store capacity and energy data when the mobile power is cut off, which is convenient for subsequent viewing and convenient for capacity energy measurement of mobile power.Note Other USB testers that do not have a power-down storage function cannot test capacity and energy.. 4-bit accuracy for more accurate measurements Measure the load equivalent impedance and power Thermometer function, Celsius and Fahrenheit free switching Using high-precision thermistor sensor USB 3.0 interface Compatible with USB 2.0, support high current test, support USB3.0 interface mobile hard disk and U disk test.. Measure the quality of the charger connect the same load, compare the no-load and the load, the greater the voltage drop, the worse the charger capacity is, the worse the quality the voltage drop is not obvious or the voltage rises leisure loss Compensation function The better the load capacity of this charger, the better the quality..

Guide description link, The Video of Changing Language Link and PC software installation instruction and PC software and Android APP Download Link Please get them from Product guides and documents as follow. Thanks. Wide range of applications Can measure various USB chargersPCLaptopDesktop ComputerMobile PhonePower BankChargerDischarge LoadCar ChargerCable. Support Type-C interface full digital compatibility PD protocol Qualcomm QC3.04.0 protocol One meter is compatible with multiple protocols and fast charging supports multiple protocols such as PD QC2.0 QC3.04.0 MTK.. Flexible color display interface Support screen 360 degree rotation to meet any angle reading You can rotate the screen by pressing the button corresponding to the horizontal menu bar. It can also make positive readings when inserting various digital devices at any angle, making measurement more convenient.. Beautiful design 1.44'' LCD display with screen display rotating function design 4 operating buttons and 5 connected ports. Plug robust coating with the gold-plated USB contacts can resist scratch, stain and damage.. Strong After-sales Service Team As long as you have any questions about the product, we will resolve your issue immediately if received your email, your satisfactory purchase experience is our greatest hope How to email us Plz click MakerHawk-US and click Ask a question to email us Looking forward to your consultation.

With dual QC3.0 USB ports supporting, the car charger fast charge two compatible devices simultaneously at QC3.0 speed, up to 4X faster than conventional charging. Dual port total output 36W, each port output 18W 3A. This car usb charger backward-compatible with QC 2.0 1.0.. Note that some mobile device don't support QC3.0. Car charger adapter will charges your device at maximum charging speed your device supports.. This car cigarette lighter charger equipped with colorful voltmeter which can monitor the voltage value of the car battery in real time, allowing you to know the battery level of the car at any time. Colored led lights can also help you easily find the car charger usb charging port in a dark environment.. How to use Step 1 Press the switch lightly, the voltmeter LED USB port work well. Step 2 Press the switch lightly, the voltmeter LED power turn off. USB port work well. Step 3 Press and hold the switch for two seconds, the voltmeter USB port power turn off.. The car charger is made of high temperature and low temperature resistant materials, which can be used in -20-60working environment. Built-in smart chip, escort your charging safety.. Universal dual USB fast car charger compatible with any mobile devices. Deliver the fastest possible charge to all non-Quick charge devices. Easy to plug unplug, perfectly compatible with car cigarette lighter socket..

Aluminum Alloy Material The advanced full aluminum alloy body with scratch resistance technology keeps it sturdy and let the 12v USB outlet always look like new. Upgrade metal car charger will not be overheating at high temperatures, which is safer than plastic one.. Dual QC3.0 USB Ports With dual supporting QC 3.0 USB ports, the 36W 12 volt USB outlet charges two compatible devices simultaneously up to 4X faster than conventional charging, backward-compatible with QC 2.0 1.0, and deliver the fastest possible charge to all non-Quick charge devices.. LED Voltmeter Display Features blue LED voltmeter which monitories the vehicle's battery and electrical system automatically and indicating the car voltage in the screen, YonHan dual USB charger socket will let you know the health of battery while driving.. Wide Compatibility Fits for DC 1224V car, boat, marine, motorcycle, ATV, RV etc. This USB Socket is suitable for charging iPhone, Samsung, iPad, android tablets, power banks, video games controllers, sports watch etc.. All-round Protection The 12V USB Car Outlet Certified by UL CE ROHS, with over-load, over-current and short circuit protection to ensure charging safety, this usb car charger guard the safety of your devices..

7-MODE USB MONITOR ---- Voltage measuring range DC 3. 2030. 0v Current measuring range 0. 003. 00A 10A max Other measuring parameters Capacitance, power going to your phonebattery pack. With 7 mode, one button to operate.. MULTIFUCNTION ---- Can be used for capacitance checking, capacitance clear, over voltage and under voltage alarm, over-current, and short circuit alarm, easily test the powerquality of the chargers and USB cables.. DUAL USB OUTPUT ---- Two USB output available, can be used simultaneously. Output I be used for device charging and data transfer output II only for charging mobile phones, tablet PCS and etc. Output I Support QC 2. 0 9V 12V charging, but don't insert any device in Output II when using QC 2. 0 Charging.. DUAL COLOR LED ---- With red and blue dual bright color LED display, easy to monitor the charge voltage and current of digital USB devices to ensure the optimal charge rate.. 100 RISK-FREE SATISFACTION ---- DROK offer you 100 risk-free satisfaction to let you buy with confidence..

UPGRADED MULTIFUNCTIONAL USB C POWER METER Detects the charging status and process of your USB-enabled or type c-enabled devices. Supports QC3.0, QC2.0 and BC1.2. A Must Gadget checks the charging performance charging speed and quality of the output wallcarsolar panel chargers and USB charging cables. It can be also used to find the highest current of the Wireless Charger, and test capacity and electric energy of power bank.. PROFESSIONAL SAFETY GUARD Featured with over-voltage protection, over-current protection, under-voltage protection, low energy protection and alarm system. This upgraded USB Type C tester can detect safety and maximally protect the appliances from damaging. It will cut off output automatically and alarm by sound, while it will save data when power off suddenly.. MULTIPLE COLOR SCREEN DISPLAY MODES New upgraded version offers 8 LCD main color screen display interfaces, allowing switching the display interface by pressing the key. With the new interface settings, this instrument can monitor voltage, current, capacity, electric quantity, power, load impedance, DD- voltage and other data of USB.. WIDE RANGE OF APPLICATION Thanks to the PD protocol quick charging mode measurement technology, this new multimeter supports the updated iPhone X mobile phone. Support iphone 8 8P iPhone Xs quick charging, 29W power, 5V3A 9V3A 12V2.5A 15V2A. It also can be applied to test other type C devices, Compatible With Galaxy S10S9Note 10 , ChromeBookPixel, OnePlus and More.. EVERSAME PROMISE We have always believed that a stable and continuously improve product quality. We trust our products and we offer worry-free 18-month. For any reason you are unsatisfied with our product, just feel free to contact support for exchange or refund. WHAT WE PROVIDE 1X USB Tester. Note If the USB Tester doesnt display any parameters, please insert the small adapter being sent with the package into the side hole on the USB Tester, to trigger the PD Charging Function. .

MULTIFUNCTIONAL TOOL Support quick charger recognition data wire resistance value testing QC2.0QC3.0, VoltageCurrentPower Detection data store cable impedance measurement. Automatically recognize QC multiple protocols such as PD QC2.0 QC3.04.0 MTK. Allows you to check the charging performance of the output wallcarsolar panel chargers and USB charging cables. It can be also used to find the highest current of the Wireless Charger, and test capacity and electric energy of power bank.. WIDE RANGE APPILCATION Widely used in the quality inspection of digital devices with Micro USB and Type C peripheral. Great for testing and getting real draw ratings on various chargers and equipment, such as PCLaptopDesktop ComputerMobile PhonePower BankChargerDischarge LoadCar ChargerCable. With this tester, you can see clearly what was happening when charging various USB devices, ranging from iPhones, to Tablets and batteries.. BRIGHT COLOR DISPLAY INTERFACE 1. Measurement Main Interface 2. Quick Charge Identification Interface 3. Data Recording Interface 4. Wire Group Impedance Measurement Interface 5. Voltage Graphing Interface 6.Current Graphing Interface 7. Settings Interface. Voltage measuring range 4.5-24V current measuring range 0-3A.. UNBEATABLE DESIGN 1.44'' LCD display with screen display rotating function design 4 operating buttons and 5 connected ports. Plug robust coating with the gold-plated USB contacts can resist scratch, stain and damage. Note If the screen doesn't function or turn onoff frequently while it's connected to the power supply, please flip the connector of the USB C Cable to confirm if it can work correctly. For energy-saving, the lights on the screen will go off after 30s.. ADDITIONAL BONUS Come with an ultra-durable nylon-braided USB Type C to USB Type C Cable50cm, allows you to detect your USB Type-C enabled devices Chromebook Pixel, Galaxy S10, Note 109etc. more conveniently. Your package includes 1 pack USB tester no Bluetooth 1 pack USB C to USB C Cable50cmUSB Load Tester is Not included.EVERSAME PROMISE We trust our products and we offer worry-free 24-month in case of defective product and friendly customer service..

HIGH PERFORMANCE DUAL USB CHARGING PORTS - 24W 4.8A USB Car Charger charges your favorite mobile devices Compatible for iPad max speed, iPhone XS, XR, 8 Plus max speed, HTC, Galaxy, MP3 Players, Digital Cameras, PDAs, Mobile Phones.. REAL-TIME MONITORING - Concise LED screen displays vehicles operating voltage 12V24V or the total USB charging output 5V4.8A Max in real time, fully controlling the whole charging process. The LEDs are bright enough to read the display without being a distraction while driving.. SAFE ON THE GO - Intelligent circuit design protects against short circuiting, over-heating, over-currents, and over-charging. Charging stops when battery is full.. COMPACT DESIGN - One of the industry's smallest USB car chargers for added portability, featuring two USB ports and an LED Display make it easy to access after dark. Input 12-24V Output DC 5V 4.8A or 24W Shared by two ports. One Year Warranty.. 12 MONTHS WARRANTY - Comes with 30 days Money Back Guarantee and 12-Months Hassle-free Replacement Warranty..

ADVANCED CHARGING TECHNOLOGY Dual USB Ports pumps out 24W of power charge up to 4.8 amps or 2.4 amps per port. Easily charge your favorite mobile devices including the iPad max speed, iPhone max speed, iPod, HTC, Galaxy, Blackberry, MP3 Players, Digital Cameras, PDAs, and Mobile Phones.. LED DISPLAY - LED digital luminescence tubes Monitor the voltage of the vehicle's car battery when not charging any devices. When charging a device, it cycles between device's charging current, and the voltage of the vehicle's car battery. The LEDs are bright enough to read the display without being a distraction while driving.. OVER-CHARGE PROTECTION The mini USB car charger is auto power off when inputoutput is greater than safety current, protects against over-heat, over-current and over-charging. COMPACT DESIGN - One of the industry's smallest USB car chargers, featuring two USB ports and an LED Display make it easy to access after dark.. PACKAGE INCLUDES 1 x Jebsens 4.8A Dual USB Car Charger with LED Display. Charging Cable NOT included 1 Year Guarantee provided by Manufacturer. Money Back Guarantee from JebsensDirect. Need a Car Mount Check out the Jebsens New CD Slot Car Mount ASIN B01LWNB10F - Enjoy hands free driving.

Compact and easy to carry, no additional power supply and other ancillary equipment, Plug and Play The tester USB Charger doctor can easily measure the output voltage of the USB port and the device.. The tester uses a new generation of power four and a half double integral cycle conversion IC, with a precision bandgap reference, range accuracy, high precision, stable and reliable performance, strong anti-interference ability.. USB charger can also detect whether the target output voltage and current. High temperature can be used for measuring USB powered or power consumption of an interface, cell phone chargers, U disk and other products.. Applications It can be used to measure an empty USB-powered devices, voltage loads, USB terminal equipment working voltage and current.Used in factories, laboratories and users.. Package included2 x USB Detector Volmeter Ammeter.