Do you want to check how square a block is but are not sure what squareness exactly is? Maybe, you also want to know how to express the degree of squareness in number. Aside from that, you are wondering whether there is something exist a perfect square. We will be discussing about them all here. … Read more
Tolerance and allowance may be frequently understood as the same thing for some people. This is not weird because these two terms have a great relation in defining the limits of a dimension. Basically, tolerance and allowance are used to describe the limits of an object dimension so that the dimension is acceptable for mechanical … Read more
Being a service technician for an underground utility system is challenging. But if you love your work, having the appropriate devices and equipment in your arsenal should be your priority. The human eye cannot see anything below the earth’s surface. That is not a problem if you have the right tools. Underground has a system … Read more
Sometimes, it’s not easy to differentiate between squareness, perpendicularity, and parallelism. They are almost the same and have a close correlation. Even, squareness and perpendicularity are frequently used interchangeably while in fact, they are actually different. On this great occasion, we are glad to present an article that covers the explanation of these terms. Differences … Read more
Both repeatability and reproducibility are important in measurement and research. If you are the operator of a particular precision measuring instrument, you have to know these two terms. Your instrument has to be repeatable. It means you take several readings and you get the same readings. If there is a variation, then you have to … Read more
Maybe, you need to check how square an object is but are not sure how to do that. If you need an object to be square, accurate and uniform, it is essential to know how this can be checked and even measured accurately. This article will inform you briefly on how to measure squareness with … Read more
So far, the Geiger counter is the best radiation monitor option for personal use. It’s compact, relatively affordable, and widely available device on the market. Not only does it measure the radiation particles around us but also monitors the dose rate (dosimeter). You can also make your own Geiger counter because the tube is also … Read more
Multimeters and voltmeters may seem the same to any other person but to an electrician or electrical engineer. These two measuring devices are different in many ways. But as their names suggest, a voltmeter measures only voltage. On the other hand, a multimeter can measure more than one electrical parameter, including voltage, current, resistance, capacitance, … Read more
How to know that your protractor is accurate? What is the way to assess that your protractor’s accuracy is still within the permissible accuracy (tolerance)? What if your protractor actually needs a replacement? All of these questions can be answered with a protractor calibration. This article will provide a basic idea of the techniques for calibrating … Read more
When it comes to ruler calibration, we are talking about the accuracy of its graduation. Ruler is a linear measuring hand tool we use in broad areas such as school, office, workshop, manufacturing, etc. It’s not only for measuring length but also for marking and scribing lines. Depending on the purpose of using the ruler, … Read more