The basics of digital multimeters the basics of digital multimeters by jim gregorec, ideal industries, inc. We use dmms to take electrical measurements in a fast and relatively accurate way. Squeeze the probes with a little pressure against the positive and negative. Many professional digital multimeters from triplett, velleman, parts express and more instock.
At the end of this article you will learn how to measure voltage with multimeter, measure dc current, check for continuity, measure. The function switch dial is turned to select the meters function. The triple display196 is an innovative new concept in dmm design. This newly released model sinometer ms8233a is a manual 19range fully featured digital multimeter. Initially all test meters were analogue as digital technology was still many years into the future. If you have any questions concerning technical problems please contact our customer service department. Measurement of voltage, current, and resistance using the multimeters provided in the lab. Digital multimeter working principle analyse a meter. Basic models are capable of measuring voltage, current, and. At the same time to become familiar with resistors and to learn how to use a power supply.
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. A typical multimeter would include basic features such as the ability to measure voltage, current, andresistance. Digital multimeter selection chart best for applications recommended dmm advanced meters advanced industrial troubleshooting, including datalogging and graphing intermittent problems logging. For example, measure dc voltage, acv, dc amp meter, ac amp meter and as the ohms meter, etc. The reason we call it a multimeter is because they can take multiple types measurements of electrical properties within a circuit. Proster autoranging multimeters mini digital multimeter. No matter you are a professional or just a diy hobbyist, this is a great. Simple instructions on how to use a digital multimeter our. There are two types of multimeters analogue and digital and the instructions for use are the same for both. Analog versions are cheaper to buy and are fine for establishing a current, but if you need a level of accuracy, a digital version is much.
Multimeters are used in all areas of electronics to determine the voltage, amperage or resistance in an electrical circuit. Digital multimeters fluke digital multimeters dmms are on more tool belts, finding more problems, than any other comparable test tools. Measuring voltage, resistance, and current join us for a live panel with neil gershenfeld about fab labs this tuesday plan c. Calibrate the pdf by clicking on either end of a known measurement and type in the distance, this will scale the drawing.
Digital multimeter is a test equipment which offers several electronic measurement task in one tool. The product is battery powered with a digital display. Jan 09, 2017 digital multimeters are indispensable tools that allow you to analyze circuits and diagnose problems in your electrical design. The unique display enables you to view more than one event at a time. Digital multimeter digital multimeter, manual and auto scaling, data hold, electronic protection price. Simple instructions on how to use a digital multimeter. 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. Charles platt is a contributing editor to make magazine. How the 34461a truevolt digital multimeter is cheaper than the 34401a with more features by keysight general purpose instruments.
Digital multimeters are indispensable tools that allow you to analyze circuits and diagnose problems in your electrical design. Below the digital readout is a black dial, called the function switch. However, a single instrument can perform all three tasks, acting as a voltmeter, ammeter and an ohmmeter. This instrument is known as a multimeter and has a switch that makes it possible to change the parameter being measured. Safety information the fluke 101 complies with iec 610101 cat iii 600 v measurement category. For starters, lets go over some of the different parts of a multimeter. In this video i am showing how to use digital multimeter and how to read dc and ac voltages,current,resistence,continuity,capatiance and temperatures all these measurements can read a digital. An introduction to the digital multimeter wisconline oer this website uses cookies to ensure you get the best experience on our website.
Comparison of digital and analog meter can be damaged when dropped from bench level no usually damaged by rough treatment pointer attempts to deflect to the left when the polarity is reversed. Oct 02, 2014 digital multimeter layout the top portion of the meter contains the digital readout area which displays the measurement value. They are available in two varieties, analog and digital. There is an image of the front panel interface in figure 1. How to use a digital multimeter tutorial australia. For unattended monitoring of signals over time, to detect intermittent problems.
Introduction a multimeter or a multitester, also known as a vom voltohm meter, is an electronic measuring instrument that combines several measurement functions in one unit. Within pages of the book and minutes of video, i was completely lost, confused, and bored. We apologise for any text or photo errors and any changes of technical data. Join our panel to learn about the maker response to covid19 in spain. In order to achieve the greatest accuracy, you must take the necessary steps to eliminate potential measurement errors.
Bs1901w please read the entire instruction manual before using and save it for future use. The first digital multimeter was introduced in the late1970s, and has proven much more accurate and reliable than the old needlebased analog meters. The fluke 101 multimeter the product is a 6000 count instrument. 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. Whether youre using a single page tif file, or a 200 page pdf file with color photos, your takeoff wont slow down. There are dmms of all shapes and sizes each with their own specific functions. Pdf files are great for exchanging formatted files across platforms and between folks who dont use the same software, but sometimes we need to take text or images out of a pdf file and use them in web pages, word processing documents, powerpoint presentations, or in desktop publishing software. Best digital multimeter for home use whilst a virtual multimeter may additionally seem simple, its truly a reasonably complex piece of equipment used in many distinct fields by using electricians, electrical engineers and carrier technicians in industries ranging from vehicle restore to computer repair and more.
The multimeter displays 0 ohms with the leads shorted together. Digital pdf plan takeoff for demolition, using excel spreadsheets. No matter what youre testing, the black test lead will always plug into the com. 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. I am showing you a digital multimeter circuit using icl7107. The standard and basic measurements performed by multimeter are the measurements of amps, volts, and ohms. How to set the 34401a compatibility mode for 34410a and 34411a dmms by keysight general purpose instruments. Pick out a random resistor and set the multimeter to the 20k. How to use a digital multimeter what is a multimeter. Theres no timeconsuming conversion to other file formats to improve performance.
The multimeter is an electrical measuring instrument that combines the functions of an ammeter current measurement, a voltmeter voltage measurement, and an ohmmeter measurement of the value of resistance. Using analog or digital multimeter in pcb, electronics or mobile phone repairing is must. Sinometer ms8233a 10range digital multimter multi testers. Jan 16, 2016 his 3part series on how to use a multimeter is one of the best ive seen. Do not input a limit value over the range when measuring. Digital display digital multimeter dmm electronic volt ohm millimeter with digital display. The less expensive multimeters dont generally tend to have a whole lot of. Digital multimeter troubleshooting and repair simply. Call mastech ms8217 4000 counts digital multimeter characteristics.
Please enter your details below and we will send you an email when this item is back in. In this learning activity youll explore the functions and proper operation of a digital multimeter. View logged values graphically in the field right on the meter. Quickscale is the uks leading take off software, designed to be simple to use and competitively priced. Its a great addition to any work bench or tool box. Jul 31, 2018 digital multimeter is a test equipment which offers several electronic measurement task in one tool. Galvanometers were large instruments that gave a deflection when a current passed through its coil. An introduction to the digital multimeter wisconline oer. Then hold the probes against the resistor legs with the same amount of pressure you when pressing a key on a keyboard. The test meter or multimeter can trace its origins back to the invention of the galvanometer around 1820. There dc voltage ranges have a very high resistance usually called input impedance of 1m or more, usually 10 m, and they are very unlikely to affect the circuit under test. Test leads thermocouple probes rechargeable battery kits for select meters protective cases flex current probe accessories check out all of flirs multimetercompatible accessories at flir has a full line of products to make your job easier, including thermal.
No matter you are a professional or just a diy hobbyist, this is a great and easily affordable tool for your daily use. Dec 20, 2015 in this video i am showing how to use digital multimeter and how to read dc and ac voltages,current,resistence,continuity,capatiance and temperatures all these measurements can read a digital. Digital multimeter operation manual globalmediapro. Newly introduced ms8217 digital multimeter has employed santoprene tpe material for secondary injection case. Objective to become familiar with a digital multimeter dmm and how it works. Proster autoranging multimeters mini digital multimeter pocket voltage tester ac dc current voltage meter voltmeter low voltage curcuit meter ohm dmm with backlight lcd. A digital multimeter dmm is one of the most common tools on a makers bench. From then on, click on the points and corners of the areas and dimensions to calculate them. Here we will have discussion on digital multimeter as they are commonly used. Follow all safety and operating instructions to ensure that the meter is used safely and is kept in good operating condition. Features of digital multimeter digital multimeter is the most advanced instrument that makes use of modern integrated circuits for making electrical measurements. A multimeter is an indispensable tool for working with electronics, and can give you a better idea of whats going on inside your circuits. 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.
Digital muti meter only this meter is a handheld and battery operated digital multi meterdmm with multi function. It is an ideal tool for labs, household and wireless enthusiasts. A multimeter, also called a voltohm meter or vom, is a device that measures resistance, voltage, resistance, and continuity. Digital multimeter mastech ms8217 digital multimeter. 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 peoples electronic designs, and even test a battery. Do not attempt to make a voltage measurement if a test lead is plugged in the a or ma input jack. The most basic things we measure are voltage and current. This animation simulates the action of various electrical quantities. Once you understand the basics, it can save you time, money, and hassle when trying to locate the source of a power problem. How to use a digital multimeter measure voltagecurrent. All configurations can be tested and any resulting connection errors are indicated. The meter with holster that is giving the main body, though downsized, high resistance against the shock of a drop. General the instrument is a pocket digital multimeter, which is used to measure dcv, acv, and dca, resistance, diode and continuity test. The best digital multimeters for pro audio at parts express.
We modify them from a normal dc digital voltage meter circuit to smart multimeter. Set the multimeter to 2v in the dc range dc is a straight line, ac is the wavy line. Some common quantities are such as inductance, capacitance, temperature, frequency, speed and rms values. Digital multimeter layout the top portion of the meter contains the digital readout area which displays the measurement value. 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.
Hp 34401a digital multimeter tutorial 1 introduction the dmm is simple, so this tutorial only contains a few bulleted notes and two simple examples. Multimeter measurements on dc resistive circuits objectives. Digital voltmeter dvm dvm is essentially an analog to digital converter ad with a digital display digital voltmeter attenuator amplifier analog to digital converter digital display digital multimeter dmm electronic volt ohm millimeter with digital display. In this article we will learn how to use a digital multimeter and how this will help us in our journey with electronics, this will be a very basic article which will take your through the different operations of a multimeter will illustrative pictures and videos. Digital multimeters are widely accepted worldwide as they have better accuracy levels and ranging from simple 3. Digital multimeter tutorials the agilent 34401a is capable of making highly accurate measurements. These tutorials describe common errors found in measurements and. Its low cost, simple to use, and has a big clear display with all the measurements you need and more.
Try to build this project to use it really worth and fully enjoy. It is also known as the voltmeter or ohm meter or volt ohm meter. A digital multimeter is an indispensable tool for testing, diagnosing, and troubleshooting electrical circuits, components and devices. Current, voltage, and resistance measurements are considered standard features for dmms. This multimeter has been designed according to iec 1010 concerning electronic measuring instruments with an overvoltage category cat and pollution 2. How to use a multimeter for the beginner sciencing.
1559 1352 1187 276 270 338 1567 1489 1115 610 97 721 289 996 1594 1320 1233 17 516 1474 875 1231 1172 1383 1309 387 514 242 420 742