The zip file contains labview vis and other files which will be used in some of the experiments during the course. Often these are different devices attached with a cable, as shown in figure 1 for a meter and probe sold by american marine pinpoint brand. Clamp meters using current transformer for ac measurement current transformer clamp meters are equipped with rigid jaws of made of ferrite iron. In 2008, the installed cost of a residential pv system in the united states typically ranged. Tutorial and guide on how to troubleshoot, find faults and problems and how to repair any mobile cell phone of any brand including iphone, blackberry, nokia, samsung, htc, china mobile phone etc.
Block diagram, principle of operation text books 1. Never touch the bulb by hand and clean it with the help of an absorbent tissue paper with very soft hand,being careful not to rub the tissue against. Transistor voltmeter, block diagram, principle of operation, various types of electronic voltmeter, digital frequency meter. The digital multimeter is an instrument which is capable of measuring a. How can the working principle of digital multimeter be. After calibrating voltage, the meter can be calibrated in terms of ohms. The orifice plate has a tab or printed label on one side where the specifications for the plate are stamped. Integrating adcs work best in highaccuracy, fine resolution. The conductivity meter then uses the conductance and cell constant to display the conductivity. Connect the red test lead to the hot side of the block and the black lead to the neutral side of the block. Energy meter or watthour meter is an electrical instrument that measures the amount of electrical energy used by the consumers.
Set up the meter following the steps under measurement procedure on page. A ph meter provides a value as to how acidic or alkaline a liquid is. The main principle of voltmeter is that it must be connected in parallel in which we want to measure the voltage. One of the basic principles or postulates in the processing of. A multimeter or a multitester, also known as a vom voltohmmilliammeter, is an electronic. Please check your inbox to verify your email address. The following animation shows how a radioenergy pulse travels down and then up the wave guide of a guidedwave radar level instrument, relating the peaks on an echo curve to. The pickwick papers pdf, epub and kindle free download. Digital multimeter working principle electrical a2z. When working with electronics, it seems you never have enough hands to hold. Pdf an approach to the design of a digital multimeter based on the use of dualslope adc is described in this paper.
We will switch the water motor on and keep track of. The book is divided into two parts that explain the topics measurements and instrumentation. Principles are ways of successfully dealing with reality to get what you want out of life. You can see the wave icon in the top right as expected. One of the first and oldest multimeters is theanalog meter, figure 2 and the other, now more widely used meter is the digital multimeter figure 1. Principles of electrical grounding john pfeiffer, p. Download it once and read it on your kindle device, pc, phones or tablets. So we have three parts in next three parts under three sub headers how to use, which to buy, how a clamp multimeter works. However, after reading, this ebook, and how to find electrical shorts and. A read is counted each time someone views a publication summary such as the title, abstract, and list of authors, clicks on a figure, or views or downloads the fulltext. Digital multimeter working principle electrical academia.
Newnes is an imprint of elsevier linacre house, jordan hill, oxford ox2 8dp, uk 30 corporate drive, suite 400, burlington, ma 01803, usa first published 1993 as electrical and electronic principles 1 by edward arnold second edition 2001. Utilities are one of the electrical departments, which install these instruments at every place like homes, industries, organizations, commercial buildings to charge for the electricity consumption by loads such as lights, fans, refrigerator, and other home appliances. Explain the basic working principles of a variety of flow meters. Automatic water level controller working principle 3 types. When measurements are performed with upstream transformers, the displayed energy value must be multiplied by the transformation. Both the current and the potential are used to calculate the conductance iv. Processing of the analogue measurement signals 121 4. Water is a gift from the gods and it shouldnt be wasted. Explain the basic working principles of a variety of force gauges. At the bottom of the probe there is a bulb,the bulb is sensitive part of a probe that contains the sensor. Clamp meters working principle instrumentation tools. The conductivity meter a typical conductivity meter applies an alternating current i at an optimal frequency1 to two active electrodes and measures the potential v.
Explain the basic working principles of a variety of pressure sensors. There is an iron cored coil pivoted on two jeweled bearings. Working principle of voltmeter and types of voltmeter. Previously we discussed about how to use a normal multimeter. A summary of system types and components is given so the builder will know what to expect to see in a design submitted by a subcontractor or pv designer. Modern precision multimeter measurements putting theory to the. Sawhney and puneet sawhney, is a comprehensive course book for engineering students.
All multimeters measure ac and dc voltage voltmeter, ac and dc current ammeter, and resistance ohmmeter. Explain the basic working principles of a variety of speed transducers. Voltmeter working principle if an ammeter is of dc type, then it has polarity signs on it for ensuring appropriate connection for an upscale indication. Automatic water level controller working principle w. Potentiometer construction, working and applications. Solar electric system design, operation and installation. Sawhney a course in electrical and electronic measurements and instrumentation, authored by a. The basic principle of the ph meter is to measure the concentration of hydrogen ions. Multimeter working principle your electrical guide. In theory, these multimeters can also be used to measure smaller currents more. Pdf new digital multimeter for accurate measurement of. Digital multimeter is a test equipment which offers several electronic measurement task in one tool. The orifice plate is basically a thin metal plate 1.
Some can also measure other electrical quantities such as frequency or even temperature. Reconnect power to the block and read the voltage on the meter. Students should download above file and unzip in on hisher computer. How a ph meter works a ph meter is actually quite a complicated device. The jaws are individually wrapped by coils of copper wire. A multimeter is a useful tool that helps us finding the positive and negative side of the power supply. What to look for in a multimeter and how to use a multimeter to measure voltage, current, resistance and continuity. So it is a measuring instrument which measures the potential difference between the two points working principle of voltmeter. As shown in the block diagram, in a typical digital multimeter the input signal i. We have explained the working principle and buying guide too.
And this coil is free to rotate in the field of a permanent magnet. This adapted edition is produced by the university of minnesota libraries publishing through the elearning support initiative principles of management teaches management principles to tomorrows business leaders by weaving. This fluke product will be free from defects in material and workmanship for one year from the date of. Digital multimeter there are two main types of multimeters. Download a course in electronic measurements and instrumentation by a. Together, they form a magnetic core during measurements. The basics of digital multimeters ideal electrical. A multimeter ora multitester, also known as a voltohm meter or vom is, an. A mas s flow meter operating on the corioli s principle c ontain s a v ibra ting tube i n which a fluid flow caus es changes i n frequen c y, phase s hift or am plitude. When making measurements with a digital multimeter, it is important to remember. The standard and basic measurements performed by multimeter are the measurements of amps, volts, and ohms. The mechanism and working of this instrument are mentioned in this video.
This guide, clamp multimeter how to use for dummies is an illustrated guide on measuring current on a wire of a gadget. To use the multimeter as a voltmeter, put leads into the com jack and the v jack. Technical note 12, differential pressure mass flow meter, rev. Types of energy meters and their working principles elprocus. The relation between the refractive index and the concentration depends on the. Electrical energy meters principles and applications. We provide free training courses and study material related to boilers and mechanical power plants oil and gas petroleum books. The accomplishment of work requires the application of kinetic energy to a resisting object resulting in the object moving through a distance. To view, print, or download the latest manual supplement, visit. The upstream side of the orifice plate usually has a sharp, square edge facing into the flow. Pdfland shares download links to free pdf books and free ebooks that available online without any complaint such as public domain stuff. A digital multimeter dmm is an instrument that can measure several basic electrical quantities and shows the measurement with a number in a display. This meter also displays ol ive noticed that nicer meters do this.
The multimeter is a common multipurpose instrument used to measure electrical quantities in a circuit. The current is converted to voltage by passing it through low shunt resistance. Block diagram, principle of operation, accuracy of measurement, electronic voltmeter. The alternatives for bridge circuits anderson loop 112 3. In most houses, we have water tanks that are filled for regular and daily use of water. Web to pdf convert any web pages to highquality pdf. A multimeter, shown in figure 1, is a device used to measure two or more electrical quantities. On the multimeter s rotary selection knob we see different sections for measuring voltage volt meter, current am meter and resistance ohm meter, hence the name. Connect the two ends of the resistive wire l to the battery terminals as shown below. Iso 9000, iso 9001 and related iso quality management standards are based on these seven qmps. Concentration in most solutions, the concentration of solute in a solvent can be determined by measuring the refractive index n d. Although a shareholder of acweeco, mr macadie continued to work for the post office.
Principles of management is adapted from a work produced by a publisher who has requested that they and the original author not receive attribution. Use pdf download to do whatever you like with pdf files on the web and regain control. Get your kindle here, or download a free kindle reading app. Mike holts illustrated guide to basic electrical theory 3rd edition. Pressure drop devices based on bernoulli principle a venturi b orifice plate c pitot tube 2. A multimeter is a permanent magnet moving coil galvanometer. For businessexclusive pricing, quantity discounts and downloadable vat. In a pneumatic system, energy is stored in a potential state under the form of compressed air. A multimeter can be used to measure electrical functions such as voltage, current, resistance, continuity and some are able to measure electrical frequency.
The use of the internet as a tool for developing remote error free. Pdf an approach to the design of a digital multimeter based on the use of dual slope adc is described in this paper. Everything electrical how to use all the functions on your multimeter kindle edition. Ammeter definition and working principle electrical. Working energy kinetic energy and pressure results in a. One of the definitions of a principle is that it is a basic belief, theory or rule that has a major influence on the way in which. It is also known as the voltmeter or ohm meter or volt ohm meter.
Em6438em 6436 dual source energy meter documents and. The probe is a key part of a ph meter,it is a rod like structure usually made up of glass. A typical multimeter may include features such as the ability to measure. If you face any problem with downloading or any of the links do not work, then contact us and we will. Introduction to basic electronics, electronic components and projects. Potentiometers and comparators 114 references 118 4. Everything electrical how to use all the functions on your. Always feel free to ask your ta for help if you are unsure about the.