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Linear DC power supply is to first reduce the voltage amplitude of alternating current through a transformer, and then rectify it through a rectifier circuit to obtain pulsed direct current, and then filter to obtain a direct current voltage with a small ripple voltage. To achieve high-precision DC voltage, it must be regulated by a voltage regulator circuit.

An oscilloscope, a benchtop instrument, graphically displays electrical signals and shows how those signals change over time. They are used by engineers to troubleshoot circuits and check signal quality. Most engineers use digital oscilloscopes. Digital oscilloscopes are used to acquire and store waveforms, display the voltage, frequency, noise portion of the signal, detect whether the signal is distorted, the time interval between signals, etc. But when it comes to choosing an oscilloscope, how do you know which oscilloscope is right for you? The following 7 factors need attention.

More than 60% air provides the perfect environment for mold and dust mites to thrive, which can cause nasal congestion, sneezing, coughing, and even wheezing. Too much moisture can also cause problems in your house, including cracked wood furniture and floors, promoting mold growth on carpets, and rusting your toilet tank and plumbing. A dehumidifier can help you reduce moisture in the air, but it's only effective when used correctly. Here are 5 mistakes not to make when using a dehumidifier.

A spectrophotometer is a measuring instrument that samples reflective or transmissive objects with discrete wavelengths. Due to the different molecular structures of different objects, the ability to absorb light of different wavelengths is also different. Therefore, each object has a specific absorption spectrum. A spectrophotometer separates each monochromatic light from a mixture of wavelengths and measures its intensity.

A photoelectric sensor is a device that converts optical signals into electrical signals. Its working principle is based on the photoelectric effect. The photoelectric effect refers to the phenomenon of the corresponding electrical effect occurring when the electrons of the material absorb the energy of photons when light is irradiated on certain substances. According to the difference of photoelectric effect phenomenon, photoelectric effect is divided into three categories: external photoelectric effect, internal photoelectric effect and photovoltaic effect. Photoelectric devices include photocells, photomultipliers, photoresistors, photodiodes, phototransistors, and photocells.

Digital oscilloscope has the unique advantages of waveform triggering, storage, display, measurement, waveform data analysis and processing, and its use is increasingly popular. It is an indispensable tool for designing, manufacturing and repairing electronic equipment. Digital oscilloscope generally support multi-level menu, can provide users with a variety of choices, a variety of analysis functions. Other oscilloscopes can provide storage for waveform storage and processing. In this article we are going to discuss about different types of digital oscilloscopes in detail.

Digital oscilloscope is a high performance oscilloscope manufactured by A series of technologies such as data acquisition, A/D conversion and software programming. It is an indispensable tool for designing, manufacturing and repairing electronic equipment. Digital oscilloscope generally support multi-level menu, can provide users with a variety of choices, a variety of analysis functions. Other oscilloscopes can provide storage for waveform storage and processing. In this article, we will show you the ATO's oscilloscope price list.

Dry skin and inflammation of the respiratory tract can both be the culprits due to too little humidity intake. Too much and your home can become a breeding ground for mold and dust mites, which can lead to asthma and other health problems. If your house is full of condensation, or has a leak or water damage, this is not only unpleasant, it will eventually cause the paint to peel off. All of this is inseparable from the dehumidifier, so when do I need a dehumidifier? It will be explained in detail in this article.

Submersible sewage pump has been more and more attention, the scope of use is more and more wide, from the original simply used to transport water to transport a variety of domestic sewage, industrial wastewater, construction site drainage and so on. Sewage pump with compact structure, easy installation and long running time. When we use sewage pump, we should also know how to solve the failure. In this article, we will introduce the troubleshooting of sewage pump.

In the world of air handling equipment, it's easy to get lost in translation. So are dehumidifiers and air purifiers the same thing? Whether you have allergies or just want to improve the air quality in your home, these devices are worth checking out. But if you don't know which is best for you, we can walk you through the differences between the two. Here is what you need to know about dehumidifier and air purifier.

A dehumidifier is a device that absorbs moisture from the air to reduce indoor humidity. It also lowers the air temperature, making your room more comfortable. Which one you choose largely depends on where you live and what your budget is. If you want to keep the humidity in your home low, you need to choose the right house based on your living situation. This article mainly introduces the types of dehumidifiers.

While dehumidifiers are busy sucking moisture out of the air, they are also collecting all kinds of nasty things like mold and bacteria. Regular cleaning is an important part of its maintenance, especially during periods of heavy use. Follow these steps to make sure your dehumidifier is clean, which will help it run optimally and keep the air you breathe as healthy as possible. This article will introduce the cleaning steps of the dehumidifier in detail.

As the saying goes, not because of heat, but because of humidity. Indoors, humidity is a big problem, especially in basements and bathrooms. Signs that the air is too humid include musty smells, damp conditions, condensation on windows, and damp spots on walls. Moisture can cause mold to grow and spread, creating unhealthy living conditions in your home. A dehumidifier is a good line of defense. It absorbs moisture from the air and collects it in a removable container. In this article, we will introduce how to get the most from your dehumidifier.

Torque sensor is a kind of precision measuring instrument for measuring various torque, rotational speed and mechanical power. Torque sensors convert physical changes in torque force into accurate electrical signals. With the development of the society, all the measurement signal conditioning is integrated into the sensor, so that it can perform diagnostic processing, including monitoring temperature and mechanical limit values. In this article, we will introduce some common problems in torque sensor working with real-time monitoring software.

Sanding machines are commonly used processing equipment by carpenters. As the name suggests, the name sanding machine refers to the surface sanding treatment of wood. But the role of the modern broadband sander is not only to sand the surface of the wood, it has many functions. The following will introduce you in detail what the sander is used for.

The temperature and humidity data logger is a series of data loggers specially designed for ultra-low power consumption and ultra-long time temperature data recording. The product can regularly collect and record temperature and humidity parameters according to the configured time interval, and can transmit the collected and recorded data to the computer for processing, and generate Excel or PDF reports.

The photoelectric sensor has the advantages of high precision, fast response, non-contact, etc., and can measure many parameters. The photoelectric sensor has a simple structure and flexible forms. It has been used for level detection, liquid level control, product counting, width discrimination, speed detection, and fixed length. So, what should be paid attention to when installing a photoelectric sensor?

With continual use, almost every industrial sewage pump will fail or at least run into issues at some point. The key is to educate yourself on the warning signs of a heavy duty sewage pump failure. That way, you will all be aware when something is wrong, and you will be able to seek pump repair or replacement early on before there is a chance for any more severe damage to take place. There are 4 signals that you need to replace a new industrial sewage pump.

With humid air crawling up your walls, few things can make a home so unpleasant. Whether your house is damp, or your humidity comes from indoor cooking or drying laundry, the result can be a dreaded musty smell, mold growth on walls, and an increased risk of respiratory illness. Fixing a major moisture problem can take time, so what do you do in the meantime? One solution is to buy a portable dehumidifier, an electronic device that removes moisture from the air. In this article, we will introduce the working principle of dehumidifier.

The photoelectric detection method has the advantages of high precision, fast response and non-contact. The photoelectric sensor has a simple structure and is easy to operate. With the development of photoelectric technology, photoelectric sensors have been widely used in various light industrial automation.