Connect the multimeter to the decade box and to one end of a battery. Connect the other end ofthe battery to the decade box. Watthour meter maintenance and testing, watthour meter operating principles and construction pdf file wattmeter the wattmeter explained, the wattmeter is an electrodynamic instrument for measuring the electric power or the supply rate of electrical energy of any given circuit, wattmeter, current coil, electrodynamic wattmeter circuit, voltage. Draper digital multimeter instructions manual 12 pages. This animation simulates the action of various electrical quantities. Try to build this project to use it really worth and fully enjoy. Endowed with the key touching function instead of the traditional mechanical knobs, is a new type of 3 56 digital multimeter equipped with the lcd display device with the text height of 33mm which has the merits of visual display, easy operation, stable performance and high reliability.
Simple instructions on how to use a digital multimeter. It can be used to measure dc voltage, ac voltage, dc. It is a type of multimeter which functions digitally. Using the proper soldering iron is of prime importance. Digital multimeter is a test equipment which offers several electronic measurement task in one tool. In fact, its one of my most commonly used tools when im working on an installation. This dial has scales to indicate values for each of the tests the meter. The current is converted to voltage by passing it through low shunt.
Motors, capacitors and power conversion equipment, such as variable speed drives, can be prime generators of spikes. More advanced models can measure capacitance, inductance, and temperature. How to use a digital multimeter for dummies housetechlab. Digital multimeter noncontact voltage tester to 600 v ac magnegrip holster with magnetic hanging strap 600 v acdc 10 amps acdc, fully safety fused resistance to 20 mw continuity beeper 1. An approach to the design of a digital multimeter based on the use of dualslope adc is described in this paper. This thesis describes the design and construction of digital multimeter using pic microcontroller. Never use the meter to measure voltages that might exceed 600v above earth ground in category ii installations. 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. An introduction to the digital multimeter wisconline oer.
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. Based on this approach, a new technique for algorithm design is developed. 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. A multimeter or a multitester, also known as a vom voltohmmilliammeter, is an electronic measuring instrument that combines several measurement functions in one unit. Digital multimeters are widely accepted worldwide as they have better accuracy. Pdf new digital multimeter for accurate measurement of. The digital multimeter is an instrument which is capable of measuring a. 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. 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. Students should download above file and unzip in on hisher computer. It is also known as the voltmeter or ohm meter or volt ohm meter. Be very careful not to apply too much current to the meter movement, as movements are.
His 3part series on how to use a multimeter is one of the best ive seen. Multimeters can be used for testing batteries, household wiring, electric motors and power supplies. Laserliner multimeter xp operating instructions manual 88 pages brand. When the meter is linked to measurement circuit, do not touch unused terminals. Successful completion of tasks covered in the textbook can be documented by a certificate of completion included in the textbook.
A significant unbalance may lead to erratic drive operation and should be corrected when discovered. Due to its complete functions, high measurement accuracy and convenient operation, the multimeter is the ideal tool in laboratory and factory as well as for radio fans and family. A digital multimeter or dmm is test equipment used for resistance, voltage, current measurement and other electrical parameters as per requirement and displaying the results in the mathematical digits form on an lcd or led readout. The easytoread digital display makes these tools terrific for a variety of automotive and household needs. 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. Digital multimeter principles is part of a comprehensive instructional package and is a must for all technicians, from contractors to maintenance staff. This exceptional 312 digit handheld, digital multimeter has the capacity of reading up to 6 functions on up to 18 ranges. Draper digital multimeter instructions manual pdf download.
Multimeter has multi functionalities like, it acts like ammeter, voltmeter and ohmmeter. 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. Position the selector switch to the desired amp range and switch the meter on. Read the ammeters display to find the fullscale current value. Digital meters are introduced, as are types of voltmeters and ammeters operating on different techniques of analogto digital signal converters. As multimeters go, this little unit has all the unique features of most of its high end rivals and at a price which is very affordable. The following article was adapted from information provided courtesy of fluke corporation india, used with permission. Multimeter uses and functions how to use a digital. In the right hands, a digital multimeter is a powerful tool that can be used in countless applications. The basic circuit of a digital multimeter is always a d. They may also be able to measure frequency and duty cycle a measurement relating. A list of some manufacturers of electronic voltmeters, ammeters, and oscilloscopes is. Lab 2 basic stamp ii building a digital multimeter assigned.
For example, measure dc voltage, acv, dc amp meter, ac amp meter and as the ohms meter, etc. The tip of the iron must be kept clean at all times and well tinned. Fluke corporation is the world leader in the manufacture, distribution and servicing of electronic test instruments and software. Features of digital multimeter digital multimeter is the most advanced instrument that makes use of modern integrated circuits for making electrical measurements. In this learning activity youll explore the functions and proper operation of a digital multimeter. The most basic things we measure are voltage and current. Digital multimeter working principle analyse a meter. Contact us to offer technical critique, suggestions, additions. A multimeter is a handheld device that combines different electronic testing and measurement tools. There is a display at the top where you can read the measurements results, there is usually a round dial to select different types of measurements, and there will be some probe connectors similar to an audio jack youd hook a pair of headphones up to that hold the test probes.
It is designed for the professional at work, in the field or in the laboratory. In this system, a typical multimeter may in this system, a typical multimeter may include features such as the ability to measure acdc voltage, dc current, resistance, temperature, diodes, frequency and connectivity. The multimeter displays 0 ohms with the leads shorted together. Connect the red test lead to the vma probe socket and the black lead to the com probe socket max 10a. Mar 27, 2020 i am showing you a digital multimeter circuit using icl7107. 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. The zip file contains labview vis and other files which will be used in some of the experiments during the course. We modify them from a normal dc digital voltage meter circuit to smart multimeter. A basic multimeter measures resistance, voltage and current. 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. An introduction to the digital multimeter wisconline oer this website uses cookies to ensure you get the best experience on our website. The input voltage readings should be within 1 % of one another when measured phase to phase with no load. A typical multimeter can measure voltage, current, and resistance.
To determine this, connect the meter movement, a potentiometer, battery, and digital ammeter in series. Digital multimeters dmm, dvom have a numeric display, and may also show a. In figure 25, the first difference you notice between the multimeter and the lvct is the. The astroai digital multimeter, trms 4000 counts volt meter is a product i would seriously recommend. It is a handheld device with positive and negative indicator needle over a numeric lcd digital display. A good multimeter is that has continuity and packed with smart features, including the ability to log and graph data and great for troubleshooting. The standard and basic measurements performed by multimeter are the measurements of amps, volts, and ohms. Fluke tools help business and industry work across the globe, from industrial electronics installation, maintenance and service to precision measurement and quality control. A small pencil type soldering iron of 25 40 watts is recommended.
Multimeter measurements on adjustable speed drives. Digital multimeter are most advanced instruments that make use of modern integrated circuits for making measurements. All configurations can be tested and any resulting connection errors are indicated. 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. Aca range resolution accuracy overload protection 200a0. Make your own multimeter dc circuits electronics textbook. Although each model of digital multimeter will look slightly different, theyre all set up the same way. This dmm offers a powerhouse of measurement capability in a small selfcontained housing. Multimeter measurements on adjustable speed drives utilizing. Switched range multimeters have the standard v, a and.
Within pages of the book and minutes of video, i was completely lost, confused, and bored. 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. General the instrument is a pocket digital multimeter, which is used to measure dcv, acv, and dca, resistance, diode and continuity test. Measurement and instrumentation construction of a digital voltmeter definitiona voltmeter is an instrument used for measuring electrical potential difference between two points of an electrical circuit. Meters include a pair of test leads and a 9v battery. Do not input a limit value over the range when measuring. How to use a multimeter for starters, lets go over some of the different parts of a multimeter. Construct a circuit using resistors, wires and a breadboard from a circuit diagram. Digital multi meter 02 during use never exceed the protection limit values indicated in specifications for each range of measurement. We using several different types of dmms and a vom we show what settings to select on the dmm or vom, how to connect the sensing probes. Analog multimeters use a microammeter with a moving pointer to display readings. The most important factor in assembling your m1007k digital multimeter kit is good soldering techniques. Digital multimeters are widely accepted worldwide as they have better accuracy levels and ranging from simple 3.
The meter is a handheld 312 digital multimeter for measuring dc and ac voltage, dc current, resistance, diode, and continuity test with battery operated. Jegs digital multimeters measure acdc voltage, dc current and resistance, and perform transistor and diode tests. I am showing you a digital multimeter circuit using icl7107. The basics of digital multimeters the basics of digital multimeters by jim gregorec, ideal industries, inc. Here we demonstrate how to use both an older analog vom voltohm meter and how to use use a dmm digital multimeter to measure voltage levels in building electrical wiring and electrical service. How to use a digital multimeter or dmm to measure voltage. And by the time youre done with this post, your hands will be plenty capable of putting a multimeter to use in your next project. Hence, conversion between analog and digital domains, appropriately termed analog to digital conversion adc and. It is an ideal tool for labs, household and wireless enthusiasts. Output side measurements on the flip side, a digital multimeter cant reliably read the. Jul 31, 2018 digital multimeter is a test equipment which offers several electronic measurement task in one tool. An introduction to the digital multimeter by patrick hoppe.
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