A multimeter is an indispensable tool for working with electronics, and can give you a better idea of whats going on inside your circuits. Le multimetre electronique pour les nuls, hors serie 1. If your multimeter reads close to zero, the range is set too high for a good measurement. The multimeter displays 0 ohms with the leads shorted together. For more information reference multisim instruction manual. If you set the range too low, the multimeter simply reads 1 or ol, indicating that it is overloaded or out of range. Vous pouvez mesurer plusieurs grandeurs differentes de ces quantites en reglant la molette sur.
They all have a display these are normally digital, though analogue meters with a moving needle do exist. Even without the plugin, it is easy to combine mentimeter with your powerpoint presentations. Power dissipation effects when measuring resistors designed for temperature measurements or other resistive devices with large temperature coefficients, be aware that the multimeter will dissipate. M890g digital multimeter sch service manual download. How to use a multimeter each station in the student electronics lab is equipped with a multimeter and two leads. Manuel utilisateur emploi digital multimeter m3800 pdf. Set the knob to 20v in the dc range the dc voltage range has a v with a straight line next to it. The ammeter offers advantages over the multimeter for measuring current in a. Safety information the fluke 101 complies with iec 610101 cat iii 600 v measurement category. While the digital multimeter represented a significant. There is a choice of ac voltage, dc voltage, resistance and continuity.
Select resistance on your multimeter on an amm, choose the lowest setting. From supply voltage to a measurements, a digital multimeter can deliver a range of information essential to any technician working with an electrical system. To open downloaded files you need acrobat reader or similar pdf reader program. Switch on your multimeter, and set the dial to continuity mode indicated by an icon that looks like a sound wave. Then hold the probes against the resistor legs with the same amount of pressure you when pressing a key on a keyboard. Select dc voltage for example to select resistors and the dc source shown in figure 3 click on place components. A digital multimeter dmm may look complicated and intimidating at first glance, but once you understand the display, dial, and port panel, youll have a better grasp of dmm basics. Summary of contents1 fluke multimeter user manual2 klein multimeter user manual3 mastech multimeter user manual4 craftsman multimeter user manual5 amprobe am530 multimeter user manual6 fieldpiece hs33 multimeter user manual7 tacklife cm02a multimeter user manual8 uei test instruments dl369 multimeter user manual9 extech ex330. Press the range button to select an adequate measurement range. Here well be discussing the manual ranging meter instead of the autoranging meter.
Abcs of multimeter safety multimeter safety and you voltage spikesan unavoidable hazard as distribution systems and loads become more complex, the possibilities of transient overvoltages increase. Motors, capacitors and power conversion equipment, such as variable speed drives, can be prime generators of spikes. Using a multimeter a multimeter is a number of different meters in one. A multimeter is an electronic tool used to measure voltage, amps and resistance across circuits. For example, 2v measures voltages up to 2 volts, and 20v measures voltages up to 20 volts. Click on the power button to switch on the instrument. A good capacitor will not allow the current to flow, i. Service manuals, schematics, eproms for electrical technicians. Pick out a random resistor and set the multimeter to the 20k. For starters, lets go over some of the different parts of a multimeter. The multimeter s input capacitance will charge up due to input bias currents when the terminals are opencircuited if the input resistance is 10 g the multimeter s measuring circuitry exhibits approximately 30 pa of input bias current for ambient temperatures from 0oc to 30oc. You just have to figure to some reading basics that may help you take the desired readings. You have to set the multimeter to a range that it can measure.
For these tasks, the right multimeter can be an invaluable tool. Capacitor check 1 use a multimeter select ohmmeter to check the capacitor as shown in figure 5. The multimeter is an instrument that allows you to measure resistances, dc voltages and dc currents, and root mean square rms averages of ac voltages and currents. The fluke 101 multimeter the product is a 6000 count instrument. Analog meter precautions do not jar, manhandle, drop or pile tools or any thing else on your meter. Not all multimeters have a dedicated continuity mode. A warning identifies conditions and procedures that are dangerous to the user. Multimeter tool button, place its icon on the workspace and doubleclick on the icon to open the instrument. The two most common uses for a multimeter are to test voltage and resistance. Controle des bobinages dun moteur asynchrone a laide dun megohmetre duration. In group select basic scroll down to resistors and select the value of the resistor needed to construct the circuit, for this example select 1k.
Use a multimeter to measure the resistance of three resistors as shown in figure 4. Turn on the multimeter by pressing the power switch. By attaching two leads to different parts of an electrical system, professionals can use multimeters to detect levels of voltage and resistance, or changes in electrical currents. The dt9205a multimeter offers you several amplitudes of measurement with which to test electrical components for voltage, resistance or continuity. Mentimeter works absolutely best when used directly in your web browser, and this is actually how 99% of our users choose to run their presentations. Page 1 instruction manual multimeter 7 in 1 01 page 2.
Manuel utilisateur emploi multimetro digital dt830b pdf. You can measure several different magnitudes of these quantities by adjusting the dial on the surface of the multimeter. Using the selector switch on the front of the multimeter, select the measurement function that is required. Skip to step 6 for an alternate way to perform a continuity test. Across a number of fields, the ability to take accurate electrical measurements is absolutely vital. In both of these precautions, you do not want to jar the needle from it jeweled pivot. Table of contents keep the imeter well away from dirt or water. The multimeter tests continuity by sending a little current through one. Dave checks the dallas ds1220y chip in the prema 6047 7. Le manuel dinstallation ou notice dinstallation multimetro digital dt830b donne les instructions pour le mettre en. Multisim tutorial michigan technological university. Le manuel dinstallation ou notice dinstallation digital multimeter m3800 donne les instructions pour le mettre en.
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