The 10 best usb tester meter for 2024
Finding the best usb tester meter suitable for your needs isnt easy. With hundreds of choices can distract you. Knowing whats bad and whats good can be something of a minefield. In this article, weve done the hard work for you.
Best usb tester meter
1. USB C Power Meter Testers, Eversame 2 in 1 Type C USB Tester Color Screen LCD Digital Multimeter, USB C Voltage Current Voltmeter Amp Volt Ammeter Detector USB Cable Charger Indicator DC3.6-30V/0-5.1A
Feature
UPGRADED MULTIFUNCTIONAL USB C POWER METER: This new type USB tester is designed to detect the charging status and process of your USB-enabled or type c-enabled devices. Supports Qualcomm QC3.0, QC2.0 and BC1.2. It can be used to test the max output current of USB charger; test capacity and electric energy of power bank; test charging speed and quality of USB cable.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. (Please kindly note that this new version doesn't support the screen orientation being rotated.)
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, D+/D- voltage and other data of USB. (Please kindly note that the backlight time can't be reset on this new version tester, and the backlight of the screen display will process all the time).
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 X / MacBook quick charging, 29W power, 5V3A / 9V3A / 12V2.5A / 15V2A). It also can be applied to test other type C devices, such as Samsung Galaxy S9 Plus, Google ChromeBookPixel, OnePlus, HuaWei P9, ect.
EVERSAME PROMISE: We have always believed that a stable and continuously improve product quality, customer satisfaction is the basic functions. We trust our products and we offer 18-month Breakage Warranty in case of defective product. For any reason you are unsatisfied with our product at any time, just feel free to contact support for exchange or refund. WHAT WE PROVIDE: 1X USB Type C Tester.
Description
Product FeaturesVoltage measurement range: 3.60 - 30.0 V(0.01 V)
Current measurement range:0A-5.1A(0.01 A)
Capacity accumulation range:0-99999mAh(0.001 Ah)
electricity accumulation range:0-99999mWh(0.01 Wh)
Product Details:
Product dimensions:60 x 60 x 11mm / 2.36 * 2.36 * 0.43inch
Operation Instruction
1. Press the Power Button Once: Switch the display interface
2. Press the Power Button Twice: Clear the data of capacity
3. Press the Power Button 3 Times: Clear the data of the quantity of electricity
4. Press the Power Button Four Times: Clear the data of time
5. If electric current exists when it's with no load, please press the button Seven times quickly to clear the data of electric current(But please do not press the button Seven times continually during process of testing. )
6. Over Load Voltage Protection Function: The Threshold Voltage Default Parameter is 35.0V. To adjust the Overload Voltage, please switch to the voltage >35.0 interface; double press on the button to increase 1v while Three click on button to decrease 1V. If the detected voltage is higher than the setting voltage, the test will make a beeping alarm sounds.
7. Low Voltage Protection Function: Switch to the voltage <0.00V interface, the default voltage threshold is 0.00V. To adjust the low voltage, double click on the button to increase 1v while Three clicks on button to decrease 1V. If the detected voltage is lower than the setting voltage, the test will make a beeping alarm sounds.
2. DROK Dual USB 2.0 Digital Multimeter Ampere Voltage Capacity Power Meter 7 Modes Monitor for Fast Charging Data Sync DC 3.2-15V 0-3A Volt Amp Charger Detector Mobile Solar Panel Alignment Tester
Feature
The USB monitor can display voltage, current, capacity and power, press the button to switch among seven different display modes.Has two output: Output I is used for both charging and data transfer, Output II is for large current fast charging.
Multifunctions: capacitance checking, capacitance clear, over- and under-voltage alarm, over current alarm and short-circuit alarm.
The display is clear and plenty bright enough, two color display with RED & BLUE; High accuracy and ultra-low resistance.
A great tool for testing phones, tablets, USB ports, power supply and charger outputs, and current demands of USB devices. It also supports QC 2.0 for 9V & 12V measurement.
Description
Description:Input voltage: 3.20--15.0V
Resolution: 0.01V (<10V); 0.1V (>/=10V)
Measuring current: 0.00--3.00A(10A Max, but cannot work in 10A for long time)
Resolution: 0.01A
Capacitance measurement: 0-99999mA/H
Capacitance accumulation: YES
Power testing: 0.00-9.99-99.9W
Over-voltage alarm: when voltage >/=5.6V, voltage digital point will flash quickly
Lacking-voltage alarm: when voltage Over-current alarm: when current >/=3A, current digital point will flash quickly
Short-circuit alarm: current digital point will flash quickly
OUTPUT I (Two Functions)
1. Support QC 2.0 charging (when OUTPUT I uses QC 2.0 charging, please do not insert any devices into the OUTPUT II)
2. Data communication function : mobile phones or other mobile devices for data transfer with a computer, and at the same time can view the voltage and current values.
3. Charging voltage output function: insert the Original Chargers can charge mobile phones or other mobile devices. The charging current is determined by compatibility.
OUTPUT II
1. Built-in intelligent charging control IC: match the most appropriate and safest current for your devices automatically. (mainly for Non-original Chargers, but also suitable for Original Chargers)
2. Suitable for: most of mobile phones , mobile power , tablet PCs and other USB devices, such as BC1.2, YT/D1591-2009 and non-BC1.2 (including iPad, iPhone and Samsung Galaxy).
3. No data communication function
Package includes:
1 PCS USB Monitor
3. Klein Tools ET920 USB Power Meter, USB-A and USB-C Digital Meter for Voltage, Current, Capacity, Energy and Resistance
Feature
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, capacity/charge 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
Rugged, pocket-sized, and light weight Klein industrial design stands up to jobsite demands
Built to withstand a 6-foot (2m) drop
No batteries needed; powered by the USB port being tested
Description
The Klein Tools ET920 is a USB digital meter for type-a and type-c ports. It accurately and reliably measures and displays the USB port voltage, current, capacity, energy, and resistance simultaneously. It can function with any usb-a and most usb-c ports, including QUALCOMM Quick charge ports that have the ability to deliver power. It requires No batteries as it draws power from the power source to function. USB power meter for any usb-a and most usb-c ports. Monitors voltage, current, capacity, energy and resistance. Powered by the USB port; No batteries required. Hi-resolution LCD for clear visibility in environments with low ambient lighting. Durable cables to allow easy access to hard-to-reach ports. Rugged, pocket-sized, and light weight Klein industrial design stands up to jobsite demands. Built to withstand a 6-foot (2M) drop. No batteries needed; powered by the USB port being tested. For more than 160 years, Klein Tools has manufactured premium-quality, professional-grade hand tools that deliver the performance, durability and precision needed to get the job done right. Our family of engineers, workers and Craftsman continue to put six generations of expertise into every tool we create by using only the highest quality materials, superior workmanship, and keeping manufacturing as close to home as we can. Klein isn't just the name of our Company, it's also our family name. And since we're an American Company that's family-owned and family-run, you know you can count on us to be here tomorrow. Klein Tools doesn't just make great products, we make great products that stand up to the demands of the professionals who use them every day... since 1857.4. Eversame USB Digital Power Meter Tester Multimeter Current and Voltage Monitor, DC 5.1A 30V Amp Voltage Power Meter, Test Speed of Chargers, Cables, Capacity of Power Banks-Black
Feature
MULTIFUNCTIONAL USB TESTER: USB Meter Tester is mainly used to detect USB charging current, voltage, discharge capacity, quantity of electric charge, power, timing and so on. Meanwhile multimeter USB detector can be applied to the Power Capacity Storage and Over/Low Voltage-current Protection. It allows you to find the charging problem of the USB cables, wall chargers, and car charges more easily.BUILT-IN MORE SAFETY: Each USB meter tester has been built-in circuit with containing CW3002D chip for accelerating Large Current Fast Charging. Plus the Interior Smart System is designed to detect safety. The multimeter tester also supports QC 2.0/3.0 high voltage test, with the function of cutting off automatically when it's fully charged, to protect your valuable devices effectively.
PREMIUM LCD DISPLAY: Crafted from high-grade LCD monitor with low power consumption feature, bright and clear enough to monitor the parameters on the screen. Comes with three various display modes for your choosing. Ideally be broadly applicable to test capacity and electric energy of power bank; test the maximum output current of the charger; and test charging speed and quality of data cable and charging cable.
WIDE TESTING RANGE & SIMPLE OPERATIONInput/Output Voltage: DC3-30V, Current Range: 0-5.1A. This portable USB tester is easy to carry and enables you to put it in your bag or your pocket whenever you go, along with the symmetrical and reversible connector for your simply operation.
PACKAGE: 1X Multimeter USB Tester. 100% SATISFACTION WARRANTY: We stand behind all of our products 100%.Every item includes one year hassle-free guarantee with considerate customer service. Eversame always bear in mind that your satisfaction is our priority. For any reason you are unsatisfied with our product at any time, just feel free contact support for exchange or refund. Our customer service team are here and ready to assist you with any questions.
Description
Eversame Power Meter Tester-Each Power Meter tester from Eversame will be strictly tested by our QC Department, to prove the importance we set on quality.
-Perfect for evaluating whether or not the computer, USB wall charger, USB car charger are outputting acceptable voltage and current range for the device you are connecting
-This Power Meter Tester can plugs directly into any USB socket or cable, which displays on the screen the voltage, current and capacity
-It provides you a rough estimate of the capacity of the device you are charging
Specification
Input Voltage: 3V-30V
Input Current: 0-5.1A
Accuracy: +/- 1%
Display: LED, show voltage and current simultaneously
Maximum Capacity Value: 99999 mAh
Tester three dimensional size: 60*24*14mm
Operation Introduction
(1). The short press is the interface switch, and long press is battery capacity and other data reset;
(2). In the main interface, five-press is the setting of automatic power outages and timing turn-off(Five-press in the main interface, the character in the lower right corner of the display stars flashing, choose three settings of 'AO.. / OFF / 1-24H' by clicking or double-clicking, and when the flashing stops, it means the system saves the current settings automatically);
(3). Six-press is Chinese/English interface conversion.
Warm Tips
-This power meter tester may not support fast charging for some type of smartphones and devices.
-If any tester you bought from Eversame can't display the correct parameters while testing your devices, please feel free to contact us firstly and we will provide quick respond and offer you good solution.
Package Included
1 x Current Voltage Test Meter
Easy-To-Reach Support
Every product includes one year hassle-free guarantee with excellent after-sale service
5. PowerJive USB Voltage/Amps Power Meter Tester Multimeter, Test speed of chargers, cables, capacity of power banks
Feature
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
Description
This USB Multi-meter plugs directly into any USB socket or Micro-USB charger or cable. It displays on the screen the voltage, current and capacity. Acts as both a vol and amp meter. All three are shown at the same time so there is no need to switch between screens. It is powered when you plug it in so no batteries are needed. Backlit screen will let you see it in low light conditions. Will handle up to 3.5A which is more than enough to test any cell phone or tablet. The monitor is suitable for 0-2.5 Amps, and 3-7 Volts and has an accuracy better than 1%. It can also give you a rough estimate of the capacity of the device you are charging. Made by PowerJive.6. X-DRAGON USB 2.0 Digital Multimeter Power Meter Tester Current and Voltage Monitor, Test Speed of Chargers, Cables, Capacity of Power Banks (7 Modes Monitor, dual USB ports, Accuracy)
Feature
7 Modes Monitor: The USB monitor can display voltage, current, capacitance and power, press the button to switch among seven different display modesMeasuring 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
Description
"Your 100% Satisfaction is our Highest Priority", we will try our best to serve customers wellOne-input, Dual-output
*USB Output Port 1 is dedicated for both Data Sync and Battery Charging
*USB Output Port 2 has built-in circuit for Accelerating Large Current Fast Charging
Accurate, Fast Response and Handy
Capacitance checking, capacitance clear, over- and under-voltage alarm, over current alarm and short-circuit alarm; The display is clear, two color display with RED & BLUE;
Specification
Voltage: DC3.2-15V
Current: DC0-3A (10A Maximum, If more than 3A, can not work continuously)
Operating Current: <20mA
Display: LED, Red/Blue
Accuracy: 1% (+/- 2 digits)
Measuring rate: >= 500mS / times
Product Dimensions: 69 x 26 x 14mm/2.67*1.0*0.55inch
USB extension cable: about 120mm
Package Includes:
1 x USB Voltage Current Charging Monitor
1 x Warranty Card
Warranty:
18 months guarantee from X-DRAGON
7. MakerHawk UM25C USBMeterTester VoltageCurrent Bluetooth BatteryPower Charger Voltmeter Ammeter MultimeterTester, 1.44 Inch Color LCD Display USB 2.0 Type- C Cable Resistance Load Impedance Meter
Feature
1.44 Inch USB 2.0 Full-Color LCDDisplay Tester,5-digit High Precision Display, High Resolution,Foreground and background colors are switched alternately , with 64 options to choose.User manual, PC software installation instruction and PC software and Android APP Download Link:http://www.mediafire.com/folder/q2b8h079hpywq/UM25C Guide Video: www.youtube.com/watch?v=pNtRmlR9Z9wBluetooth connection, you can use mobile phone APP or PC control the tester PC Software Support PC Win 7 and Above, Phone Only Support Android (Android 5.0 and Above) Support 14 Kinds Language(English, German, Polish ,Chinese and So on )Product comes with Chinese and English help interface.
It can measure input Voltage, current, power, capacity, energy.Load access detection function, after the tester screen puts off, plug in the load and the screen will light up automatically.
Support Micro USB or Type C Connector and fast charge mode recognition,It can recognize QC 2.0/3.0,Apple 2.4A/2.1 A/1A/0.5A,Android DCPSamsung.Measure wire resistance by Differential pressure method.Gold-plated USB contacts and upgraded USB male female connector. Widened Power Cord make it own 5A high current .
Application in varieties of test:PC/Laptop/Desktop Computer/Mobile Phone/Power Bank/Charger/Discharge Load/Car Charger/Cable Impedance Measurement.
Description
Technical Parameter:Model :UM25C
Display screen: 1.44 Inch color LCD display
Voltage measurement range: 4-24.000V
Voltage measurement resolution: 0.001V
Current measurement range: 0-5.0000A
Current measurement resolution: 0.0001A
Capacity accumulation rannge: 0-99999mAh
Voltage measurement accuracy: 0.5+2digits
Energy sccumulation range: 0-99999mWh
Current measurement accuracy: 1 +4 digits
Load impedance range: 0.8-9999.9
Time measurement range: 0-99h59min59s
Temperature range: -10100/0200
Temperature measurement error: 3/6
Screen brightness setting: 0-5 levels
Auto screen off time: 0-9mins
Voltage graphing range: 0-24.00V
Current graphing range: -5.0000A
Refreshrate:2Hz
Quick charge recognition mode: QC2.0QC3.0APPLE 2.4A/2.1A/ 1A/0.5AAndroid DCPSAMSUNG
Size: 71.2mmx30.5mmx12.4mm
Note:
1.UM25C is conmmunication version by Bluetooth connection.
2. PC software support PC window (Win 7 and above) and Phone Android (Android 5.0 and above, support 14 kinds language, chinese, english and Russia .... )
3, User manual, PC software installation instruction and PC software and Android APPdownload
link:http://www.mediafire.com/folder/q2b8h079hpywq/UM25
4, For Android APP :
A: APPonly support android 5.0 and above .
B: Allow APP to doin thebackground, not be cleaned.
C:allow APP self-starting.
D:Allow APP stay after screen locked, not becleaned.
E:for desktop, when you use the bluetooth adapter to make bluetooth connection, Please don't use the adapter own driver, and use the windows system bluetooth driver, otherwise the module can't make SSP series port communication. If you have installed the adaptor driver, you can uninstall it and unplug the adaptor, then plug in again, the system will install it automatically.
8. USB C Power Meter Tester, Eversame USB Voltmeter Ammeter Load Tester with Braided USB C to USB C Cable(1.5Ft/50cm) - Test Speed of Charger Cables - PD 2.0/3.0 QC 2.0/3.0/4.0
Feature
MULTIFUNCTIONAL TOOL: It can be used to measure input Voltage, current, power, capacity, energy. Support quick charger recognition; USB charger current testing; data wire resistance value testing; QC2.0/QC3.0, Voltage/Current/Power Detection; data store; cable impedance measurement, power bank capacity and energy testing. Featured with Quick Charge Recognition Interface, it can recognize QC multiple protocols such as PD QC2.0 QC3.0/4.0 MTK.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 PC/Laptop/Desktop Computer/Mobile Phone/Power Bank/Charger/Discharge Load/Car Charger/Cable. 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.
ADDITIONAL BONUS: Come with an ultra-durable nylon-braided USB Type C to USB Type C Cable(50cm), allows you to detect your USB Type-C enabled devices (MacBook Pro, Chromebook Pixel, Galaxy S9, Galaxy Note 8 etc.) more conveniently. EVERSAME PROMISE: Customer satisfaction is the basic functions. We trust our products and we offer 18-month Breakage Warranty in case of defective product. For any reason you are unsatisfied with our product at any time, just feel free to contact support.
Description
Eversame Type C Voltage and Current USB Tester - A Must For Testing Or Repairing Your Phones & TabletsAutomatically recognize PD protocol and Qualcomm QC3.0/4.0 protocol.
Supports Type C/Micro USB/resistance tests with micro USB cables.
A perfect companion for anyone troubleshooting power/cable/charge issues.
Allows you to monitor charging states of the batteries be charged.
How To Change The Language To English
Hold a button down when powering up, and the language will start changing, then release the button when the language you want is highlighted.
Specification
Bluetooth: Not Support
Product weight: 18g
Input voltage: 4.5-24V
Input current:0-3A
Capacity measurement range: 0-99999mAh
Energy measurement range: 0-99999mWh
Load impedance measurement range: 1.5-9999.9
Temperature Measurement Range: -10C to 100C/0F to 200F
Screen brightness setting: 0-5
Voltage curve range: 4.5V-24V
Voltage measurement resolution: 0.01V
Current measurement resolution: 0.001A
Voltage measurement accuracy: 0.2%
Current measurement accuracy: 0.8%
Time measurement range: 0-99 hours 59 minutes 59 seconds
Temperature measurement error: 3C/6F
Delay off screen time: 0-9 minutes
Current curve range: 0-3A
Fast charge recognition mode: QC2.0, QC3.0
Refresh rate: 2Hz
Product Size: 71.2 x 31.8 x 12.4mm
Display screen: 1.44 inch color LCD display
Package Including
1 * USB tester (no Bluetooth) + 1*USB Type C to USB Type C Cable(50cm)
Note: The package also includes one paper instruction with double sides. If you need to have the instruction in Electronic Version, please feel free to contact us and we will send it for your reference accordingly.
9. Eversame 2-Pack USB Digital Voltage Current Multimeter Security Tester, DC 3-30V Voltmeter Ammeter Thermometer Capacity Electricity Time Watt USB Power Meter Tester - Support QC 2.0/3.0 Fast Charging
Feature
MULTIFUNCTIONAL USB TESTER: USB meter is mainly used to detect USB charging current, voltage, discharge capacity, quantity of electric charge, power, timing and so on. Meanwhile multimeter USB detector can be applied to the Power Capacity Storage and Over/Low Voltage-current Protection. It allows you to find the charging problem of the USB cables, wall chargers, and car charges more easily.BUILT-IN MORE SAFETY: Each USB meter tester has been built-in circuit with containing CW3002D chip for accelerating Large Current Fast Charging. Plus the Interior Smart System is designed to detect safety. The multimeter tester also supports QC 2.0/3.0 high voltage test, with the function of cutting off automatically when it's fully charged, to protect your valuable devices effectively.
PREMIUM LCD DISPLAY: Crafted from high-grade LCD monitor with low power consumption feature, bright and clear enough to monitor the parameters on the screen. Comes with three various display modes for your choosing. Ideally be broadly applicable to test capacity and electric energy of power bank; test the maximum output current of the charger; and test charging speed and quality of data cable and charging cable.
WIDE TESTING RANGE & SIMPLE OPERATIONInput/Output Voltage: DC3-30V, Current Range: 0-5.1A. This portable USB tester is easy to carry and enables you to put it in your bag or your pocket whenever you go, along with the symmetrical and reversible connector for your simply operation.
PACKAGE: 2X Multimeter USB Tester. WARRANTY: Every item includes one year hassle-free guarantee with considerate customer service. Eversame always bear in mind that your satisfaction is our priority. For any reason you are unsatisfied with our product at any time, just feel free contact support for exchange or refund.
Description
Eversame Power Meter Tester
-Each Power Meter tester from Eversame will be strictly tested by our QC Department, to prove the importance we set on quality.
-Perfect for evaluating whether or not the computer, USB wall charger, USB car charger are outputting acceptable voltage and current range for the device you are connecting
-This Power Meter Tester can plugs directly into any USB socket or cable, which displays on the screen the voltage, current and capacity
-It provides you a rough estimate of the capacity of the device you are charging
Specification
Input Voltage: 3V-30V
Input Current: 0-5.1A
Accuracy: +/- 1%
Display: LED, show voltage and current simultaneously
Maximum Capacity Value: 99999 mAh
Tester three dimensional size: 60*24*14mm
Warm Tips
-This power meter tester may not support fast charging for some type of smartphones and devices.
-If any tester you bought from Eversame can't display the correct parameters while testing your devices, please feel free to contact us firstly and our customer service team will provide quick respond and offer good solution for your compensation.
Package Included
2 x Current Voltage Test Meter
Easy-To-Reach Support
Every product includes one year hassle-free guarantee with excellent after-sale service
10. MakerHawk USB Multimeter USB Voltmeter Ammeter Load Tester USB Voltage Current PD Battery Power Capacity Charger Digital Type C Meter Tester Color LCD Display Cable Resistance QC2.0/3.0/4.0 MTK
Feature
Guide Video: https://www.youtube.com/watch?v=T8AchDV0UzY. The Video of Changing Language Link: https://drive.google.com/file/d/1ct0O-rWlLdOjZEyCiPnjkz9rht5eYTOi/view?usp=sharing. PC software installation instruction and PC software and Android APP Download Link: http://www.mediafire.com/folder/1c04afq923397/A3Supports Type-C interface full transmission compatible with PD protocol and Qualcomm QC3.0/4.0 protocol: One table is compatible with multiple protocols for fast charging, supporting multiple protocols such as PD QC2.0 QC3.0/4.0 MTK. Supports 360-degree arbitrary rotation of the screen to meet any angle reading.
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.
Wire resistance measurement: After the data line is inserted, the screen of the tester turns black, indicating that the pressure difference is too large; the tester enters a 4.5V power-down state and needs to reduce the load current, and starts measuring from the first step; after the wire resistance measurement is completed, the test is performed. The meter will restart measurement after the next power up.
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.
Description
Descriptions:Test charger: Can measure various USB chargers, then insert adjustable constant current load at the output port for current adjustment to test the current and voltage data of the charger.
Test charging treasure capacity.
Test the charging data of various digital devices: Real-time monitoring of mobile phone charging status and protecting mobile phones.
Feature:
Model: A3
Bluetooth: No
Product weight: 18g
Input voltage: 4.5-24V
Input current: 0-3A
Capacity measurement range: 0-99999mAh
Energy measurement range: 0-99999mWh
Load impedance measurement range: 1.5-9999.9
Temperature Measurement Range: -10C to 100C/0F to 200F
Screen brightness setting: 0-5
Voltage curve range: 4.5V-24V
Voltage measurement resolution: 0.01V
Current measurement resolution: 0.001A
Voltage measurement accuracy: 0.2%
Current measurement accuracy: 0.8%
Time measurement range: 0-99 hours 59 minutes 59 seconds
Temperature measurement error: 3C/6F
Delay off screen time: 0-9 minutes
Current curve range: 0-3A
Fast charge recognition mode: QC2.0, QC3.0
Refresh rate: 2Hz
Product Size: 71.2 x 31.8 x 12.4mm
Display screen: 1.44 inch color LCD display
Package Including
1 * USB voltage tester no Bluetooth
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