Für eine Durchgangsprüfung werden die zwei Prüfspitzen eines Messgeräts (Multimeter oder einfacher Durchgangsprüfer) benötigt, die jeweils an die Messpunkte angelegt werden. What do all the symbols on the front of the multimeter mean? This is actually helpful. See the next section for suggestions. If you haven't heard of these terms before, we'll give a very simple introductory explanation here. If you have read through this multimeter tutorial and still have unanswered questions, the references below might be helpful. section that voltage, current, and resistance have units of volts, amps, and ohms, which are represented by V, A, and Ω respectively. Who has the highest resistance? Electrolyte Challenge: Orange Juice Vs. Sports Drink. Auf diese Weise kann sichergestellt werden, dass wichtige Komponenten, wie etwa eine funktionierende Sicherung Durchgang haben bzw. Important: Always disconnect the leads from your multimeter before opening the cover to change the fuse. This is a typical manual-ranging multimeter. Before we get into more detail about how to read multimeter symbols, first we want to make sure you know the four main parts of the multimeter itself. Button 11: AC Millivolts. The owner of ToolNerds.com,is a participant in the Amazon Services LLC Associates Program, an affiliate advertising program designed to provide a means for sites to earn commission by advertising and linking ToolNerds.com reviews to Amazon products, but not limited to Amazon.com. If there are words or concepts you do not understand, or symbols on your multimeter that puzzle you, return to the Multimeter Overview tab. Weitere Informationen zu Cookies erhältst Du in unserer Datenschutzerklärung, 1. It will have a variety of symbols of measurement above it.

Found on some models, it prevents false measurements because of ghost voltage. Denoted by a capital  A with three hyphens and a line above it. We have provided one example in the images below—and you can check our gallery for a multimeter similar to yours—but since all multimeters are slightly different, you might need to consult the manual for your multimeter. Oftmals gehen Kabel wie Netzstecker oder Kopfhörerkabel aufgrund hoher Beanspruchung im Inneren kaputt und die äußere Isolierung lässt keinen Rückschluss auf eine Beschädigung zu. This measures whether or not two points have a continuity, and it’ll help you determine whether or not you have any open or short circuits. Current will flow from the battery to the multimeter and then into the lightbulb. For. Button 1: The Hold Button. The amount of water flowing through the pipe is like current. Dazu wird der Drehschalter auf die entsprechende Position gestellt. This measures your capacitance. But what do the symbols on a multimeter mean? This section will provide some suggestions of practical and interesting things to do with a multimeter. In general, V indicates voltage, a squiggly line … If your meter displays “OL,” then the fuse blew out, and you can get rid of it. Wichtig ist nur, dass im zu messenden Stromkreis keinerlei Spannung anliegt. This setup is rated to measure current under 200 milliamps.

Resistance is always positive and the same in both directions, so it does not matter if you switch the black and red probes in this case (unless you are dealing with a diode, which acts like a one-way valve for electricity, so it has a high resistance in one direction and a low resistance in the other direction). Different multimeters have different symbols for measuring direct current (and the corresponding voltage), usually "DCA" and "DCV," or "A" and "V" with a straight bar above or next to them. This button will usually be found across the top of your multimeter, and has a “Lo/Hi” symbol above it. Below is an overview of what multimeters are and what they are useful for. This setup is rated to measure current up to 10 amps. Neben diesen grundlegenden Einstellungen haben die meisten Multimeter ein paar Einstellungen mehr. Achte immer darauf, eine Durchgangsprüfung Spannungsfrei durchzuführen. This is usually the shift option on your Diode Test button and looks like two “T” letters facing each other. Eine Durchgangsprüfung ist in vielen Situationen sinnvoll: Verdrahtung einer Installation überprüfen. In the gallery below, we have provided a series of images of different multimeters with different measurement settings and sockets for the probes labeled.

Backlit display, can measure temperature, has versatility and auxiliary features, Perfect for DIY-ers, a kit rather than a single unit.

by Tyler Saunders | Multimeter Blog | 0 comments. This is a red jack with an “A” above it.

Check your multimeter's manual if you still can't figure out what one of the symbols means. Es spielt dabei keine Rolle wie rum du sie heran hältst. The low-current socket is also used to measure voltage and resistance. Remember, this gallery is meant to be a general guide; if you do not see your model of multimeter pictured here, your best bet is to consult your specific multimeter's manual. A diode is like a one-way valve that only lets electricity flow in one direction. Eine Durchgangsprüfung kann dabei helfen, kalte Lötstellen zu entdecken. Think of it as a V with part of a road above it. If you need to access and read these, make sure you press the Shift Button. Ein TRMS-Multimeter ist demzufolge in der Lage den echten Effektivwert anzuzeigen. When printing this document, you may NOT modify it in any way. There might be multiple sockets for measuring current, with labels like "10A" and "mA". Bipolartransistor, im Englischen als bipolar junction transistor (BJT) bezeichnet, ist ein Transistor, bei dem im Unterschied zum Unipolartransistor beide Ladungsträgertypen – negativ … Set your multimeter to measure resistance, and have everyone in your house take turns grabbing the metal tips of the probes (one in each hand). Metric prefixes work the same way with units of electricity as they do with other units you might be more familiar with, like distance and mass. Ein Multimeter (von lat. Bei der Durchgangsmessung schickt das Multimeter eine Hilfsspannung durch die zu messenden Komponenten. Don’t worry about it, we’ve got your back. It has one socket for measuring voltage, resistance, and low current, and a separate socket for measuring high current. Multimeters are an affordable way to make sure you’re getting the most exact measurements possible.

You can still pick up your grandpa’s old analog multimeter at any hardware store or on the internet, and they’ve still got their uses.

sowie deren elektrische Verbindung miteinander in einer Schaltung überprüfen. Who can get the multimeter to display the biggest number by yelling into the speaker? When referring to the units volts, amps, and ohms, we use the symbols V, A, and Ω, as explained above. This is usually the shifted reading above the AC Voltage option, marked “Hz.” This multimeter symbol will tell you your circuit’s or equipment’s frequency. Figure 2 shows basic series and parallel circuits, without a multimeter connected. Button 5: Continuity. This manual-ranging multimeter has a special function for testing transistors (not covered in this tutorial). Denoted by a capital V with a wavy line on top. (February 25, 2013). Note that the voltage in an AC circuit is usually referred to as "AC voltage" (even though it sounds strange to say "alternating current voltage").

Some also have additional features that we did not label. You can also browse our multimeter gallery to see labeled pictures of different multimeters. You can then adjust the range accordingly. Button 13: Ohms. This tutorial from SparkFun provides directions for changing a fuse on their brand of multimeter, but remember that these directions might not apply to your model. This manual-ranging multimeter has additional features capable of measuring capacitors and transistors (not covered in this tutorial). You can test their voltage over time as they recharge, and then make a plot of voltage vs. charge. Denoted by an arrow pointing right with a plus sign beside it. It kind of looks like a V with a road drawing on top of it! Denoted by a capital A with a squiggly line on top, which can measure the load that an object is using. The easiest way to test this function with your multimeter is to check it with a single piece of conductive material (most metals) and a piece of non-conducting material, like wood or plastic. If your meter is not auto-ranging, you might need to guess at the scale to use (you can change this later if you don't get a good reading).

This is extremely useful if you need to have the measurement on hand while you work on your project. Alternating current (abbreviated AC) is current that changes direction, usually many times in one second. Es lässt sich herausfinden, ob ein Kabel irgendwo in der Mitte kaputt ist.

It measures the voltage of your objects, no matter the setting or object that you’re working in and with. Button 15: Shift Capacitance. Jetzt können die Prüfspitzen an die zu messenden Komponenten angelegt werden. If you are looking for multimeter usage ideas or labeled photographs of assorted multimeter models, then visit the other tabs in this multimeter tutorial. At the 2V setting, the reading displays 3 decimal places. Die zu messenden Komponenten müssen daher evtl. Finally, remember that counts and digits tell you the resolution of your multimeter.

Hold Button. DC Voltage. What are direct current (DC) and alternating current (AC)? Your multimeter might have some other symbols, which we will discuss below. multus „viel“ sowie altgriechisch μέτρον métron „Werkzeug zum Messen“), auch Vielfachmessgerät genannt, ist ein elektrotechnisches Messgerät, das für mehrere Messgrößen und in mehreren Messbereichen einsetzbar ist.. Zur Grundausstattung eines Multimeters gehört seine Verwendbarkeit als Spannungsmessgerät und Strommessgerät. Notice that it only has two sockets, and there is a switch to toggle between AC and DC measurements (which is unusual). For most multimeters, the black probe should be plugged into the socket labeled "COM." When measuring the battery with each setting, we get these readings: The "1  ."

To do a continuity check (which ensures that there is a conductive path between two points in your circuit), follow these steps: Touch two parts of your circuit with the probes.

Verstehe andere Symbole. Each multimeter is different, so you might need to read your multimeter's manual to find out what the display on the screen means. Im Badezimmer soll eine Wandlampe angebracht werden. The neat thing about a multimeter is that unlike a ruler, watch, or scale, it can measure different things — kind of like a multi-tool. I needed to learn the basics. You’ll make use of your DC voltage button when you’re measuring smaller circuits. If your multimeter has a diode check function, read the manual to find out exactly how it works.

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