Apr 29, 2009 the contact resistence when making the measurement. 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. Ne pas utiliser le multimetre sil fonctionne anormalement. It is called a multimeter because it combines the functions of a voltmeter, ammeter, and ohmmeter. This meter is designed to test or measure ac voltage, dc voltage, batteries, dc current, ac current, resistance, diodes and continuity.
Dm7560 digital multimeter getting started guide im dm756002en this guide. Using a multimeter 1 a multimeter is used to make various electrical measurements, such as ac and dc voltage, ac and dc current, and resistance. In this beginners guide, weve shown you how to use a multimeter. The device is equipped with the latest in ic and display technology. For example, 2v measures voltages up to 2 volts, and 20v measures voltages up to 20 volts. Le manuel dinstallation ou notice dinstallation multimetro digital dt830b donne les instructions pour le mettre en service. Ce multimetre numerique mercury au format pratique effectue avec precision des. This multimeter was designed to be safe at least under the following conditions. The manual explains all dm7560 features, except for the communication features, and how to use them.
Analog meter precautions do not jar, manhandle, drop or pile tools or any thing else on your meter. Avant dutiliser le multimetre, inspectez le boitier. In both of these precautions, you do not want to jar the needle from it jeweled pivot. How to use a multimeter each station in the student electronics lab is equipped with a multimeter and two leads.
Select dc voltage for example to select resistors and the dc source shown in figure 3 click on place components. It is ideally suited for professional, academic and home applications. Do not store or use the meter in areas exposed to direct sunlight, at high. To open downloaded files you need acrobat reader or similar pdf reader program. If you try to measure resistance of components in a circuit you will obtain false readings even if the supply is disconnected and you may damage the multimeter.
Multimeters are a versatile tool to use for checking voltage and current. 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. This wont hurt the multimeter, but we need to set the dial to a higher range. Oct 30, 2011 physics teacher ronan mcdonald demonstrates how to use a multimeter to measure current.
Then hold the probes against the resistor legs with the same amount of pressure you when pressing a key on a keyboard. 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 autoranging mini multimeter user. Multisim tutorial start click on start all programs national instruments circuit design suite 10. A good capacitor will not allow the current to flow, i. Never use the meter on a circuit with voltages that exceed the category based. Powerfix profi digital multimeter pdm 250 a2 unboxing lidl digital multimeter. If you set the range too low, the multimeter simply reads 1 or ol, indicating that it is overloaded or out of range.
Set the multimeter to vdc mode to start measuring dc voltage on the circuit. If youve just acquired your own multimeter, you might not yet know how to use it. However, if you ever find yourself without internet access, a multimeter is very handy at measuring resistance. Using a multimeter a multimeter is a number of different meters in one. Leftclick and drag the scissors over the area you would like to save as a. In addition, some files are archived, so you need winzip or winrar to open that files. He is the author or editor of over a dozen books on technology, diy, and geek culture. 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. System utilities downloads digital multimeter dmm connectivity utility software by agilent technologies and many more programs are available for instant and free download. Ne pas utiliser le multimetre lorsque le boitier est endommage. Within pages of the book and minutes of video, i was completely lost, confused, and bored. Here well be discussing the manual ranging meter instead of the autoranging meter. Warning never play this manual cd, which contains the users manuals, in an audio cd player.
Dave checks the dallas ds1220y chip in the prema 6047 7. Test meters or multimeters are used everywhere from home workshops to high technology laboratories and by people who range from electronics enthusiasts to students, and service engineers to high technology development engineers. How to use a multimeter beginners guide random nerd. Manuel utilisateur emploi lifedom digital multimeter pdf. Gareth branwyn is a freelance writer and the former editorial director of maker media. Manuel utilisateur emploi multimetro digital dt830b pdf. Leftclick and drag the scissors over the area you would like to snip. Oct 17, 2017 a multimeter is an essential tool in any electronics lab. Mar 26, 2020 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 autoranging mini multimeter user manual10 etekcity msrc600 digital. Bonjour a tous, une video qui explique le fonctionnement des principales fonctions dun multimetre. We may earn money or products from the companies mentioned in this post. They all have a display these are normally digital, though analogue meters with a moving needle do exist. Also in rf applications, the frequency at the point of measurement will cause invalid readings and the only way to get valid readings becomes scope or a multimeter equivalent to a fluke 99.
Youve learned how to measure voltage, current and resistance, and how to check continuity. Apr 04, 2016 a multimeter is an indispensable tool for working with electronics, and can give you a better idea of whats going on inside your circuits. I wrote this software on saturday after seeing how terrible the test link drawing program was. M890g digital multimeter sch service manual download. This instrument is portable digital multimeter designed for measurement of weak current circuits. You have to set the multimeter to a range that it can measure. The multimeter displays 0 ohms with the leads shorted together. To create a new schematic click on file new schematic capture. Use the meter only as specified in this users manual, otherwise the protection provided by the meter may be impaired.
Set the knob to 20v in the dc range the dc voltage range has a v with a straight line next to it. This digital multimeter is a generalpurpose instrument designed for use in general electronics, home electrical applications, and automotive electricalelectronic systems. Follow all instructions and suggestions in this operators manual as well as. Multimeter safety 1 multimeter safety read this information before using the meter. If you do get it wet, open the case and let it set open until it is dry. You just have to figure to some reading basics that may help you take the desired readings. Voltage is the difference in electrical potential between two places in the circuit we therefore measure voltage across an element, meaning that we connect the multimeter in parallel with the element of interest to prevent the multimeter from changing the circuit, we want. 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. Powerfix profi digital multimeter pdm 250 a2 unboxing. Multisim tutorial michigan technological university. Le manuel dinstallation ou notice dinstallation lifedom digital multimeter donne les instructions pour le mettre en service. For starters, lets go over some of the different parts of a multimeter.
To measure the resistance of a component it must not be connected in a circuit. Notice dutilisation multimetre numerique trms avec. Disconnect and remove all test leads from live circuits and from the 3. Do not let your ohm meter set on any of the resistance ranges when not in use or when in storage. This online pdf compressor allows to compress pdf files without degrading the resolution dpi, thus keeping your files printable and zoomable. A study on multimeter multimeters are very useful test instruments. Download pc software digital multimeter for free windows. This area will then be pasted into the existing pdf document as an image which can be resized and moved to the desired. Digital multimeter troubleshooting and repair simply. The reading on the display screen denotes the voltage passing through the circuit at that particular point. Dont ever forget to carry this whenever you are going for a competition. To use a digital multimeter to measure voltage, start by putting the black probe in the common terminal and the red probe in the terminal thats marked for measuring volts.
Off to the circuit before connecting the meter to the circuit. Jan 16, 2016 his 3part series on how to use a multimeter is one of the best ive seen. How to use the snip tool to capture images of a pdf. At the very basic level you have the device itself, along with two probes, which are the black and red cables that have plugs on one end and metal tips on the other. Lead the wire from the negative terminal to ground and the positive one to the point where you are checking the voltage.
Carefully pull apart the front and rear instrument housing. Opencreate schematic a blank schematic circuit 1 is automatically created. Also some files are djvu so you need djvu viewer to open them. The contact resistence when making the measurement. No matter what youre testing, the black test lead will always plug into the com.
To open an existing file click on file open in the toolbar. Never use the meter on a circuit with voltages that exceed the category. Compress pdf files for publishing on web pages, sharing in social networks or sending by email. Auto power off function 15 mins shell type pocket size multimeter. Do not attempt to make a voltage measurement if a test lead is plugged in the a or ma input jack. A multimeter, also called a voltohm meter or vom, is a device that measures resistance, voltage, resistance, and continuity. How to use a multimeter for the beginner sciencing. The most basic things we measure are voltage and current.
Charles platt is a contributing editor to make magazine. Users can purchase an ebook on diskette or cd, but the most popular method of getting an ebook is to purchase a downloadable file of the ebook or other reading material from a web site such as barnes and noble to be read from the users computer or reading device. A multimeter, also called a voltohm meter or vom, is a device that measures. Dm7560 digital multimeter users manual im dm756001en the supplied cd contains the pdf file of this manual. Do not let your multimeter get wet and never store it in a damp place. Klein tools mm600 is an automatically ranging digital multimeter that measures acdc. Klein tools mm400 is an autoranging multimeter that measures acdc voltage, acdc. Vous pouvez telecharger manuel utilisateur emploi multimetro digital dt830b pdf sur manuels. Capacitor check 1 use a multimeter select ohmmeter to check the capacitor as shown in figure 5.
Turn off etc this can cause the battery in the meter to run down. Dirty terminals or dirty lead pins will give invalid measurements particularly in rf applications. Use a multimeter to measure the resistance of three resistors as shown in figure 4. Weve put together a comprehensive guide on how to use a multimeter to get you. Next, place the black probe on the negative end of the battery and the red probe on the positive end. The test meter or multimeter is one of the most flexible items of test equipment. The marking on the multimeter represents caution, risk of danger, important information, refer to the manual. Avant chaque utilisation, verifiez le fonctionnement du multimetre. Multimeters are a tool that we use to measure multiple characteristics of electronics. Then, set the multimeter to the kind of voltage youre measuring if it doesnt have an autorange function. The other possibility is that the circuit or component you are testing doesnt have continuity that is, it has infinite resistance.
Testing a diode with a digital multimeter digital multimeters have a special setting for testing a diode, usually labeled with the diode symbol. A multimeter is an indispensable tool for working with electronics, and can give you a better idea of whats going on inside your circuits. In this case, we know the aa battery has a very low voltage, but well start at 200 volts just for the sake of example. 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. Normally a multimeter can measure voltage, current, resistance, check diodes and some can measure capacitance and check transistors. Pick out a random resistor and set the multimeter to the 20k. Remove the three screws from the back of the 3 housing. Many years ago, in wanting to better understand what my multimeter could do, i bought a book from tab books and rented a dvd from a howto video service. Apr 22, 2014 digital multimeter troubleshooting and repair april 22, 2014 june 20, 2014 george 2 comments digital multimeter repair, digital multimeter troubleshooting, dmm help, repairing dmm your digital multimeter should last for a number of years with reasonable care, but there may come a time when you multimeter malfunctions and youll have to.
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