How to test a phone charger with a multimeter

When you touch the red and the black probe ends while on this setting you will be able to hear a beep sound. First secure your charger cord near the output port to keep it stable for testing - see the first picture in the previous section for example.

T-3509 T-3570 and T-1811.

How to test a phone charger with a multimeter. One of the quickest and easiest ways to measure how fast your smartphone is charging or discharging is by using the Ampere app which is available free through the Android Play Store. Once the app is installed simply fire it up and it should immediately measure the rate of charge. Check the Ampere of mobile charger Using multimeter Watch later.

If playback doesnt begin shortly try restarting your device. Check the Ampere of mobile charger Using multimeterhttpsyoutubePM-zqQCLTL4Like Share Subscribe Please Thanks All About Press Copyright Contact us Creators Advertise Developers. ITC India one of the best AC DC SMPS Adaptor Testing Laboratory in India.

ITCIndia Institute of Testing and Certification India Pvt. Ltd are a leading testing companylaboratory having a NABL accreditation under ELECTRICAL ELECTRONICS and PHOTOMETRY testing with certificate no. T-3509 T-3570 and T-1811.

ITCIndia Laboratory is following the procedure as required by International Standard IEC 17025. Plug the USB test probe of the DMM into the USB socket of power supply. Switch on AC charger.

In my case the meter reads 507 Volts which is within the specified rating of the iPhone charger. You now have a DMM that can measure voltage of Smart Phone Chargers. To test the charger youll be using a multimeter.

You might want to take a moment to familiarize yourself with the instructions to make sure youre using the correct settings. Also make sure not to get the device wet or drop it. Both can cause serious damage to the device or you.

Charger voltage range from 45 to 6 volts and an average rating of 800 milliAmpere current. Checking it output voltage will be on its connector pin tips. Just set the analog or digital multi-meter to 10DCV or higher range.

And connect both test probe to its corresponding polarities. A good and working charger will get the approximately correct. There are two times to test for a USB charger working optimally.

1 Plugged in but no load and 2 Plugged in and charging a completely discharged device. You can use multimeters to test the output voltage and current and use an AC wattmeter to measure the watts consumed from the power line. Those tests resulted in many varied but consistent results between the chargers cords and phones.

After using the same combination of variable phones chargers and cords usb-a and usb-c to test the app the only consistent number that changed was the battery level. 3-Pin Fin ned Charger. YOU MUST BE CAUTIOUS WHEN PERFORMING THIS TEST TO NOT TOUCH THE LEADS ON YOUR MULTIMETER TOGETHER - THIS COULD DAMAGE THE MULTIMETER PROBES OR CHARGER.

First secure your charger cord near the output port to keep it stable for testing - see the first picture in the previous section for example. Steps to check the battery with the multimeter. Switch off your cell phone and carefully remove the battery.

Now search on the label of the battery for its given voltage. Most batteries of cell phones digital cameras and tablets are of either 37V or 38V. Apart from a visual inspection the remainder of the test is carried out by plugging the device into a PAT tester such as this Metrel MI3311 and performing a series of tests tests vary.

Connect Multimeter or Voltmeter. You can now connect your multimeter to the outlet of your power adapter that should properly be powering your charger. You should also determine if the outlet that you have is matched to the adapter.

This can be done by looking if it is polarized or grounded. When you touch the red and the black probe ends while on this setting you will be able to hear a beep sound. By keeping the multimeter on this setting we can check the continuity between the given 2 points.

We can check whether the tracks are open or not. If the multimeter shows continuity it will give a beep sound. To check if the ringer of a mobile phone is faulty or damaged keep the multimeter in buzzer mode and check the ringer.

Value must be between 8 to 10 Ohms. If the value is between this range then the ringer is good and does not need replacement. If the value on multimeter.

Steps to check the battery with the multimeter. Switch off your cell phone and carefully remove the battery. Now search on the label of the battery for its given voltage.

Most batteries of cell phones digital cameras and tablets are of either 37V or 38V. Place the battery such that its terminals face you. To get started configure the multimeter youll be using by pushing the black probe into the COM socket and the red probe into the A socket.

Select AC or DC amperage on the meter depending on the electrical system you are testing and make sure the multimeter is set to the range of the amperage youre testing.