A fingertip pulse oximeter is one example of a medical measuring device that you can operate yourself. Simply, it should not need to call a healthcare provider to use it. Among the pulse oximeter models that you can buy, the fingertip model is considered the simplest, easiest, and most portable. It only requires a small … 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
Straight edge is mechanical equipment primarily used for straightness checking of a certain surface. But it can extend for flatness checking as well. And any light source that is put near the surface being checked will pass through if the gap exists. Not only for straightness and flatness inspection but also for drawing precise lines. … Read more
A machinist square or engineer square lets you use its inside and outside corners, which means you can check for inside and outside squareness. Compared to the other squares, the machinist square is more accurate. It comes with a grade that represents its tolerance level. The lower-grade machinist square can be used directly as a … Read more
Clamp meters are essential measuring instruments to add to your toolbox if working in HVAC. They come in handy when measuring currents and voltages anywhere in the system. However, you cannot just buy any clamp meter you find in the market because such products have varying capabilities. The modern-day clamp meters do more than just … Read more
A function generator is unavoidable if you are an electrical circuit designer, technician, or product quality auditor. As the name suggests, function generators produce electrical waveforms for testing other equipment and systems. They are one of the most commonly used in test and development systems. Function generators come in all forms, and different types also … Read more
Just like masons, carpenters, builders, all specialty construction craftsmen, etc., they need to be geared up properly so that they can work great towards engineering structural plans efficiently. In the case of tools to check level or plumb, they need a box beam level. The box beam spirit level helps the professionals ensure the project … Read more
The I-beam spirit level gives you a more lightweight option rather than the box beam model. Although lightweight, if you purchase the best one that offers you good material and quality build, it will be durable to use in harsh environments. Jobs such as builders in construction will find this stuff worth buying. When considering … Read more
Signal generators are testing equipment used in different applications. The most common ones include testing complex communication systems, measuring the frequency response of amplifiers, and aligning the frequency response devices. You may need a signal generator for designing, testing, and troubleshooting electronics circuits. Unlike function generators capable of producing multiple waveforms, signal generators are limited … Read more
Inside micrometer allows you measure internal diameter of an object precisely and accurately. An inside micrometer is used by professionals to measure the internal dimensions of pipes, holes, registers, and slots with very high accuracy. There are two types of inside micrometers: analog and digital. The digital model can reach a smallest reading (resolution) down … Read more