Top 10 Best Usb Voltage Tester

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.

Mr. Pen voltage tester offers non-contact detection, safely identifying live wires and voltage in various electrical components without direct contact.. Its high sensitivity ensures accurate detection across a wide range of voltages, helping to prevent electrical mishaps.. Equipped with a bright LED light, it provides clear visual cues of voltage presence, even in low-light conditions.. The compact and lightweight design ensures portability, making it a handy tool for both professionals and DIY enthusiasts.. It's ideally suited for tasks such as home appliance repair, circuit inspections, and various DIY endeavors..

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..

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. .

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..

High PrColor screen - 8 interfaces - Support USB, Type-C, DC5.5, micro USB. It can measure the voltage and current changes during the operationcharging process of various DC inverters such as mobile phones, notebooks, desk lamps, routers, set-top boxes, etcracy display. Its measurement accuracy reaches 0.00001.. Wide ApplicationsWith the USB tester, you are able to test notebooks, car emergency power supplies, routers and other DC products, monitoring current, voltage, power, capacity, power and other state of charge in real time.. The tester and mobile phone enable to realize APP. And charging status, various measurement data graph can be transmitted and viewed on your phone. You can switch different measurement interfaces by pressing the button.. Multi FunctionsFunctions include screen flip, fast charge recognition, energy capacity detection, temperature measurement, accuracy measurement, two-way current measurement and other data teststemperature probe is not included.. Safety ProtectionFeatured with over-voltage protection, over-current protection, low-voltage protection, charging time setting and auto-off function, the meter can detect safely and maximally protect the appliances from damaging..

3 to 20V DC Current 0.05 to 3A USB-A 3 to 20V DC Current 0.05 to 5A USB-C. Continuously monitor up to 1000 hours of voltage, current, capacitycharge delivered, energy, and resistance calculated. Tests most common standard USB-A or USB-C ports, including Qualcomm Quick Charge ports. Store and recall up to 10 readings. Voltage and current overload detection. Hi-resolution LCD for clear visibility in environments with low ambient lighting. Durable cables to allow easy access to hard-to-reach ports.

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..

Supports Type-C interface full transmission compatible with PD protocol and Qualcomm QC3.04.0 protocol One table is compatible with multiple protocols for fast charging, supporting multiple protocols such as PD QC2.0 QC3.04.0 MTK. Supports 360-degree arbitrary rotation of the screen to meet any angle reading.. Notebook Charging Measurement When the notebook is powered, prepare two Type-C cables, one for connecting the power supply to the watch, and one for connecting the watch to the computer to measure the charging data of the notebook. The notebook can be used to measure high-power notebooks and monitor the aging of the battery. Laptop fast charge effect.Multi-screen interface design, and full help menu, no need to read the instructions.. Voltage, current curve - online mobile phone, computer automatically change the range within 0.00A-3.00A measurement range, real-time display of fluctuations. In addition, you can press the Next Page button to switch to the voltage measurement waveform diagram, automatically change the range within the range of 4.5V-24V measurement, real-time display of voltage fluctuations.. Note 1. For Android APP A APP only support android 5.0 and above. B Allow APP to do in the background, not be cleaned. C Allow APP self-starting. D Allow APP stay after screen locked, not be cleaned. 2. PC software support PC windowWin 7 and above..

Latest Upgraded USB C Power Meter TesterMaximum voltage Current 32V5.1A150W,The multimeter tester can monitor Voltage,Current,Capacity,Electric Quantity,Power,Temperature,Resistance,Charging Time and other data of the USB or type C Port Devices.A Must Gadget checks the charging performancecharging speed and quality of the output wallcarsolar panel chargers and USB charging cables.It can be also used test capacity and electric energy of power bank.. Latest Upgraded IPS Color Display Screen New upgraded version offers 8 IPS 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.Click the button to switch in multiple interfaces.Supports flipping the screen to 180 degree, and 3 kinds of personalized interfaces. Test Power Bank CapacityBefore testing the power Bank,please fully charge the power bank,insert the tester and double-click to clear the data,then connect the load or mobile phone continuous discharge is required.ensure that the discharge voltage is 5V or 9V.mAh is multiplied by 1.35 when discharge voltage 5V, and mAh is multiplied by 2.45 when discharge voltage is 9V, which is equal to the exact capacity of the battery of the power bank.. WIDE RANGE OF APPLICATION The USB tester comes with A OTG adapter, supports PD3.0PD2.0, QC3.0QC2.0,BC1.2 and USB A or USB C port,supports the updated iPhone 11 Pro mobile phone.Support iphone 11XiPhone Xs quick charging, 29W power, 5V3A 9V3A 12V2.5A 15V2A.Compatible with new MacBook Pro, MacBook, iMac, iMac Pro, Dell XPS, Acer Aspire, HP Spectre, ASUE Zenbook , Lenovo Thinkpad, Eluktronics, Razer Blade Stealth, Chromebook, Microsoft Surface Pro and more Type C devices and chargers. Important Tips and 18 Month Warranty ServiceWhen your device does not have a USB port, you can use an alligator clip to clamp the positive and negative poles and convert to USB before testing. When your USB-C device cannot be tested, please insert a small adapter, the small adapter will start the tester. If you receive a defective USB tester or if you have any questions, please contact us first to obtain a valid warranty replacement service for replacement or other assistance..

USB Color Display Tester can monitor Voltage, Current, Capacity, Electric Quanity, Power,Temperature,Load Impedance, DD- Voltage, Charging Time and other data of USB, and supports Qualcomm QC3.0 compatible QC2.0, Bc1.2, and Apple 2.4A and other protocol quick charging voltage ranges, support OTG fucntion.8192 Pixel TFT Color Display ,Two in one measurement of USB and Type C.Timed charging sound reminder and full charge sound reminder.When the power is 0.5W, the time will be calculated. 1.USB-C male head replacement cost of copper pin contact plug better, tighter current data more reliable. 2.The screen 180 degrees flip display settings function, to adapt to some chargers using inverted display as a positive display. 3.the OTG protocol of Type-C can open the OTG digital function by inserting a random embedded Android switch head in the upper left corner of Android line.. 4.The interface settings such as overvoltage, low voltage, overcurrent, backlight time, etc., and switch to the corresponding interface at the short button at the front desk, set up by adding double or three strokes. 5.The built-in PD protocol can open the Type-C interface with the PD protocol's intelligent charger unloaded power output display, so as to facilitate aging and testing. 6.The PD protocol quick charging mode measurement.. 7. the built-in PD protocol can open the Type-C interface with the PD protocol's intelligent charger unloaded power output display, so as to facilitate aging and testing. 8.the PD protocol quick charging mode measurement that supports the updated apple X mobile phone. support iphone 8 8P apple X MacBook quick charging, 29W power, 5V3A 9V3A 12V2.5A 15V2A. Note 1. This is no communication version. 2. PC software support PC windowWin 7 and above and Android PhoneAndroid 5.0 and above, support 12 kinds languageChinese, English, Russia and so on, When it is connected to the Type-c charger alone, it will not be displayed if the device is not connected. The Type-c interface cannot be displayed if it is connected to the PD power supply alone. It needs to be connected to the mobile phone charger for normal output.

Displays Current Amps, voltage and capacity 19,999 mah. Perfect for testing how fast a USB cable or USB power adapter charger is actually charging at. Can handle charging speeds up to 3.5A 3,500 ma and 3v-7v. Store charging data in memory. Flashes to alert of low or high voltage issues. Test using a USB charger, battery power bank or Micro USB Cable. Test your iPhone or Android phone.

7 Modes Monitor The USB monitor can display voltage, current, capacitance and power, press the button to switch among seven different display modes. Measuring Range Voltage 3.2-15V Current 0-3A Accuracy - 1. Dual ouput Output one is used for both charging and data transfer, Output two is for large current fast charging. Display Simultaneously displaying of Amp and Volt in real-time. Widely used Perfect for testing how fast a USB cable or USB power charger, such as power bank, solar charger.