10 Best
Voltmeter For Laptops
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Product Highlights- Widely used in the quality inspection of type-c port 3c digital peripheral products and protect the charging equipment.-----laptop, mobile, power bank, charger, car charger, data cable, electronic load.
- Measure load equivalent impedance and power; measure the quality of the charger; human-computer interaction interface---screen off function, temperature unit switch, data group switch, data of data group clean, screen display rotation; small size big energy.
- Real time detection of the charging state; voltage, current, power, capacity, energy, equivalent impedance, temperature and other data will be clear at a glance.
- High definition display---0.96 inch ips hd color lcd display with a 160-degree wide view; quick charge identification---qc2.0,qc3.0,a-p-pp-l-e 2.4a/2.2a/1.1a/0.5a, android dcp, sann-sung quick chasrging protocols; 4 bits measurement accuracy---unique precision algorithm, higher accuracy,smaller data detection error; power off storage---data guaranteed.
- With thermometers function, freely switch between celsius and fahrenheit; and it also can measure the quality of the recharger.exquisite and compact, convenient to carry, with usb cap, dust-proof and fall-proof, more beautiful.
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- Alarm reminder: real-time voltage data can be measured between 8v and 16v dc (dc 12v dedicated). when the voltage is lower than 11.5v or higher than 19.8v, the number displayed on the voltmeter will flash alarm.
- Small size: intimate human design, small and exquisite, beautiful and generous.
- Package includes: 1pc mini car voltmeter gauge, blue led display, 2pcs crimp terminals, to meet your needs.
- Led display: large screen and bright led display with clear measured values, waterproof and shockproof. show you the current precise measured values of the working voltages clearly.
- Wide applications: for cars, motorcycles, bikes, substation automation, distribution automation, test equipment, voltage regulator, etc.
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- Convenient to instal,just need to plug it into cigar lighter socket, and then watch the alternator's output from idle to the accelerated speed
- It is convenient for you to know the power state in time, and clearly grasp the battery voltage state between full charge and discharge of the dc voltmeter.
- Made of abs, pc, and electronic board, which is safe and reliable to apply, rust and corrosion resistant, giving you a pleasant applying experience
- The digital car voltmeter has a high-brightness led electronic screen, which clearly shows the voltage of the car battery and is easy to read.
- Suitable for to dc 12v or 24v vehicles
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Product Highlights
- Compact & effortless installation: mini-sized for convenience and easy installation. this digital car voltmeter has a measurement range from 5v to 30v, ensuring compatibility with various power systems.
- Battery status at a glance: timely awareness of battery voltage between full charge and discharge, ensuring proactive maintenance and optimal performance.
- Versatile compatibility: compatible with a wide range of vehicles, including cars, motorcycles, rvs, suvs, off-road vehicles, atvs, boats, marine vessels, ships, trucks, tractors, and more. supports both 12v and 24v systems.
- Clear led display: equipped with a precise 3-bit led digital display, facilitating easy readability. enables real-time monitoring of battery voltage, providing instant insights into your battery's status.
- Complete package: each package includes 1 car voltmeter gauge, 2 insulated terminals, and 2 screws.
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- Safety protection: featured with over-voltage protection, over-current protection, under-voltage protection, low energy protection and alarm system. so, this 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.
- Support pd protocol: 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 only with ios pd fast charging adapter and cable). it also can be applied to test other type c devices, such as samsung galaxy s9 plus, google chrome bookpixel, oneplus, h...
- Multi functional tester: multiple interfaces (usb input/output, type-c input/output and micro usb input), used to detects the charging status and process of your usb-enabled or type c-enabled devices. data transfer supported but have limitations, please refer to product description for using details. supports qc3.0, qc2.0 and bc1.2, mtk in different devices. it can be a...
- Lcd multi-color display: upgraded version offers ips hd 9 lcd main color screen display interfaces, allowing switching the display interface by pressing the key. support english or chinese language show, and individual screen display for more visible enjoyment.
- Otg adapter included: it comes with a otg adapter, which enables you to expand your usb and micro usb function.(convert usb input connection port to micro port by insert otg adapter). we are always at your disposal for solving problems, if any problem happened to the product you received, please do not hesitate to contact us for solution!
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Product Highlights
- The digital voltmeter measures the voltage with high accuracy (± 0.2%) and improves driving safety.
- Fine workmanship, ultra thin, durable, craft and strive for perfection.
- Connect the battery directly to display real-time data of current voltage.
- Quick and intuitive display of charging status, battery and generator operating status.
- Intimate and humanized design, small and exquisite, beautiful and generous.
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- Measuring voltage: dc 0 -100v. measuring current: 0 -10 a. operating voltage: 4 - 30v. operating current: <20ma. refresh rate: about 0.35s once. operating temperature: -10℃~65℃.
- Has current and voltage calibration potentiometers. this 10a voltage and current meter itself has a built-in shunt, can do measurement directly.
- 【dual display with two different colors for distinguish】0.28" led display voltage and current simultaneously in different colors, red for voltage, blue for current(the current is measured in the negative rail), bright led, easy to read.
- Package contains: 2 pieces of dc 0-100v 10a mini voltmeter ammeter with blue and red dual colour led display. size: 48 x 29 x 22 mm. compact design, small size and well made. wide measuring range, and high accuracy.
- Note: the maximum input voltage can not exceed 30v, otherwise there is the danger of burning.
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- Wide applicability: this usb c tester measuring voltage: 4v-30v; measuring current: 0-5a. real-time detection of the state of charge of the appliance, voltage, current, power, capacity and other indicators.
- Ips lcd display: 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. 4-bit accuracy for more accurate measurements.
- Note: 1.the button of this product will make a sound when it is shaken, which is not a product defect. this is an adjustment to be made to quickly double-click the button, which is a normal situation. 2.there is a transparent protective film on the screen, you can choose whether to tear it off according to your needs.
- Latest usb c voltage & current tester: yojock testers are widely used in the quality inspection of 3c digital peripheral products, and are the first choice for digital gamers and electronic enthusiasts.
- Measuring data is guaranteed: power-off storage function that stores capacity and energy data when the mobile power is turned off, which is convenient for subsequent viewing and convenient for capacity energy measurement of mobile power.
- Button function: 1.click the button once to switch screens in a cyclical manner; 2.double-click the button to rotate the displayed content; 3.press and hold the button (3 seconds): clear all capacity, amount of electricity, and time.
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- 【shutdown memory function】save the capacity and power data when the power bank is turned off, which is convenient for later viewing and measurement of the capacity and power of the power bank.
- 【high-quality raw materials】strong interface, sensitive touch, aluminum alloy material.
- 【monitoring items】equipment charging status, voltage, current, capacity, energy, power, equivalent impedance, temperature and other indicators.
- 【button function】click the button to view the stored charging data in groups 1-9; long press the button for 3 seconds to clear the charging data stored in a single group; double-click the button quickly to change the display page.
- 【widely used】suitable for any electronic device with usb interface, can clearly understand the load resistance and current discharge performance, and better understand the use range of the load.
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Product Highlights
- ★ real-time voltage display: digital voltmeter display-accurate 3-digit led digital display. with green led indicator, the numbers are easy to read, and the display is clear at night.
- ★ easy to install: mini size and easy to install, just install the voltmeter in the 30mm hole on the panel, connect the wires and use it directly, very suitable for checking voltage, long service life.
- ★ voltmeter: it can measure and display voltage data in real time, and the measurement range is 4v-100v; allowing you timely grasp the state of battery voltage between full charged and discharged of this dc voltmeter.
- ★ premium material: made of high-quality abs plastic, waterproof and durable, with reverse connection protection, the circuit will not be burned.
- ★ wide compatibility: car voltmeter gauge are widely used in cars, motorcycles, rv, suv, off-road, atv, boat, marine, ship, truck, tractor, substation automation, distribution automation, test equipment, voltage regulator, etc.
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