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Digital Multimeters

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  • 1.How to use a digital multimeter ?

    The AstroAI digital multimeter is an indispensable tool that can come in handy for testing, diagnosing, and troubleshooting electrical circuits, components, and devices. To correctly use a multimeter, ensure that it's set to the correct scale for the measurement you want to make. Then, insert the red test lead into the “Input” jack and the black test lead into the “COM” jack. Connect the two prongs of the probe to the two terminals being measured and read off the measurements on the display screen.

  • 2.How to calibrate digital multimeter ?

    To start, choose a compatible multimeter calibrator that can generate the voltages and resistances you need to test your multimeter. Connect your digital multimeter’s positive lead to the calibrator’s positive terminal and your multimeter’s negative lead to the calibrator’s negative terminal. It’s essential to ensure that you are using the correct calibration standard from the manufacturer and carefully following the calibration instructions. Please calibrate your multimeter at least once a year.

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