A monthly email packed with valuable content—industry news, tutorials, obsolescence updates, and more.
No sales pitches, just insights we think you'll find helpful!
A monthly email packed with valuable content—industry news, tutorials, obsolescence updates, and more.
No sales pitches, just insights we think you'll find helpful!
While technology is constantly evolving and innovation is the name of the game, one everlasting component remains a constant: test equipment. These steadfast tools quietly warrant the reliability and quality of products experimented with for decades. ...
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When using an analog scale, a pointer swings to the correct characters/digits that are physically on the scale in different locations. Digital readouts, however, must include multiple digits in one location. To see how this...
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Last week, we published a blog post going over the tools and methods used to measure electrical voltage in various situations. This week, we are taking a look at tests for measuring electrical currents- an essential step...
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Measurements of electrical voltage are used to determine the possible differences in electric charge between two different points in an electric circuit. This data makes it possible to ascertain how much power is being used...
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Ever since the first generators, harmonics have been a part of power systems. However, we now live in an era of power that is defined by non-linear loads. Equipment for powering computers, electronic ballasts, and...
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All electromagnetic current meters function on the basis that the intensity of the magnetic field around a coil is proportional to the amount of current flowing through it. Whether the meter you are using is...
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Whether you install, operate, repair, or design electrical equipment, you must know how to measure and test many types of electrical characteristics. The most imperative of these are electrical current, voltage, and resistance. Additionally, there...
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Multimeters are current meters, voltmeters, and ohmmeters contained in one case. There are separate current, voltage, and resistance circuits interconnected by switches and they share the same meter movement. A function switch is utilized to...
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Checking Wattmeter Power Loss The stationary (current) coils and the moving (voltage) coil of a wattmeter have resistance, resulting in some circuit power loss by the wattmeter. Unless this power loss is considered, incorrect power...
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Calculating Power If you wish to find power dissipated in an electrical load, measure any two of the three basic electrical quantities- current, voltage, and resistance. For example, you will recall that power can be...
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Input circuits allow the input voltage to be stepped down by the ranging circuits, which could be a switch or automatic circuits. The ranging circuits also select the proper pulse stream from the clock and...
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The electronic meter is used for resistance measurements in a manner similar to the way it is used for current measurements. Using the same types of amplifier stages as was used for the voltmeters and...
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