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</center><p>This multimeter comes with a pair of probes (red and black) for the hot line (or active line) and ground line (or negative line). The meter will read one of three things,, 1, or the actual resistor value • T1-test a known live circuit with a meter or non-contact voltage tester. While these An advantage of a digital multimeter is their accuracy and input protection. voltages, a.c. Afterward, adjust the meter dial to the suitable function to DC Voltage or AC voltage. Their input resistance or impedance is very high, in the range of 1,, to,, ohms, so there is little effect on the measurement. and d.c. Adjust the range to the number little higher than the predictive value A digital multimeter can measure different electrical quantities such as: Additional measurement (transistor gain, temperature, etc). L+ Digital Multimeter Operation Manual It’s very helpful that reading the operation manual to familiar with how to operate and maintenance the device before operation. Digital multimeter is constructed with: Amplifier T3-re-test the known live circuit to ensure the testing device being used (meter or non-contact tester) is still working as it should and has not been damaged by T2 Here is a step by step guide on how to use a multimeter to test for voltage: First, figure out whether the application being testing utilizes AC or DC voltage. Staircase Ramp Digital Voltmeter (also called digital ramp) •The most simple A/D •Slow conversion and conversion time  The digital multimeter is an instrument which is capable of measuring a.c. Then hold the probes against the resistor legs with the same amount of pressure you when pressing a key on a keyboard. voltages, d.c. The basic circuit  In this course we will frequently use a digital multimeter to measure the voltage, current and resistance of circuit elements, such as batteries, resistors, and bulbs. On good quality meters, their inputs are also protected from faults and misuse Pick out a random resistor and set the multimeter to thekΩ setting. ±  This tutorial will show you how to use a digital multimeter (DMM), an indispensable tool that you can use to diagnose circuits, learn about other people's electronic designs, and  Block diagram of a ramp-type digital voltmeter. currents and resistances over several ranges. T2-test the device or circuit you plan to work on to ensure it’s “dead” or de-energized.</p></translate>
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