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Laboratory & Research

Using regenerative DC dummy loads: An effective solution for testing high-power power supplies.
2025년 12월 12일 10시 41분 21초

In electrical and electronics labs, testing power supplies is always a mandatory step to ensure stable operation of equipment before real-world use. However, connecting the power supply directly to a real load such as a motor or circuit carries a high risk. A sudden change in current or a small deviation during testing can cause overload or short circuits. Therefore, engineers often choose dummy loads to simulate real-world operating conditions more safely and accurately.

Secret to remove voids in castings, comparison of hot pressing and cold pressing
2025년 11월 14일 09시 04분 38초

For sample preparation, the ultimate goal is to obtain a perfect casting, that is, one that does not have any voids or gaps sticking to the surface of the sample. The presence of air bubbles, no matter how small, will seriously distort the results when we analyze the microstructure, measure hardness, or check for material defects. That is why the choice of casting method is a key technical decision that cannot be taken lightly.

Advantages of ultrasonic cleaning tanks compared to other cleaning methods
2025년 09월 18일 10시 09분 34초

In daily life, we often encounter many situations where we need to clean an item, be it a household item, work equipment or food. In addition to familiar cleaning methods, many people now choose ultrasonic cleaning tanks. So how is this method different from the traditional method?

Instead of oven drying, why not try a moisture meter?
2025년 09월 12일 14시 22분 40초

Moisture balances (also known as moisture analyzers) are increasingly trusted by many units in the food, pharmaceutical and laboratory sectors. Compared to traditional oven drying, this type of balance is integrated with more intelligent features, both shortening the time and increasing accuracy. If you are wondering whether to choose a moisture balance or continue to use an oven, the following sharing will help you make a more reasonable and effective decision.

EXPERTS RECOMMEND SH SCIENTIFIC FURNACE FOR EVERY LAB? ANSWER NOW
2025년 09월 08일 09시 55분 04초

In recent years, a brand from Korea has emerged in the Vietnamese market, which is SH Scientific. Many customers ask EMIN, is this a good choice or not? Is the advertisement true to reality? With my experience, today I will "dissect" this furnace with you, from its outstanding advantages to the problems we often encounter.

Adjusting the eyepiece on a microscope?
2025년 08월 13일 17시 12분 23초

With optical microscopes, the eyepiece is a key part. To clearly observe images of microscopic specimens, you need to know how to adjust the eyepiece so that the operation is quick and the image is sharp. Follow the article below to know how!

What is a signal generator and why is it almost always present in the lab?
2025년 08월 08일 14시 51분 47초

When testing audio equipment, calibrating sensors or conducting technical research, signal generators are always the preferred tool to ensure accurate output results. In this article, EMIN will help you learn more about this device, from popular models, typical functions to the scope of application in many modern industries.

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