Hardness tester is a high-tech product integrating machinery, liquid crystal and electronic circuit technology. Like other precision electronic products, its performance can be fully exerted and its service life can be longer only under our careful maintenance. Now I will introduce to you how to maintain and maintain it in the daily use process, roughly in the following four aspects.
1. Pay attention to “handle with care” when moving; handle the hardness tester with care, and pay attention to packaging and shockproof. Because most hardness testers use LCD liquid crystal panels, if strong impact, extrusion and vibration occur, the position of the liquid crystal panel may move, thereby affecting the convergence of images during projection, and the RGB colors cannot be overlapped. At the same time, the hardness tester has a very precise optical system. If there is a vibration, the lens and mirror in the optical system may be displaced or damaged, which will affect the projection effect of the image. The zoom lens may also be stuck or even damaged under impact. broken condition.
2. Operating environment The cleanliness of the operating environment is the common requirement of all precision electronic products, and the hardness tester is no exception, and its environmental requirements are higher than other products. We should place the hardness tester in a dry and clean environment, away from humid places, and pay attention to indoor ventilation (it is best to use it in a smoke-free place). Since the liquid crystal panel of the hardness tester is very small, but the resolution is very high, fine dust particles may affect the projection effect. In addition, the hardness tester is generally cooled by a special fan at a flow rate of tens of liters of air per minute, and the high-speed airflow may entrain tiny particles after passing through the dust filter. These particles rub against each other to generate static electricity and are adsorbed in the cooling system, which will have a certain impact on the projection screen. At the same time, too much dust will also affect the rotation of the cooling fan, causing the hardness tester to overheat. Therefore, we must often clean the dust filter at the air inlet. Since the liquid crystal panel is sensitive to temperature, it is also necessary to keep the hardness tester in use away from heat sources while being moisture-proof and dust-proof, so as to avoid damage to the liquid crystal panel.
3. Precautions for use 1. Pay attention to the nominal value of the power supply voltage, the ground wire of the hardness tester and the resistance of the power supply, and pay attention to the grounding. Because when the hardness tester and the signal source (such as a computer) are connected to different power sources, there may be a high potential difference between the two neutral lines. Printer | Sauna Equipment | Longkou Seaview Room When the user plugs and unplugs signal wires or other plugs with power on, sparks will occur between the plugs and sockets, which will damage the signal input circuit, which may cause damage to the hardness tester. 2. During the use of the hardness tester, it should not be switched on and off frequently, because this may damage the equipment components inside the hardness tester and reduce the service life of the bulb. 3. The refresh frequency of the input source cannot be too high. Although the higher the refresh rate of the input signal source, the better the image quality, but when using the hardness tester, we must also consider the refresh rate of the computer monitor it is connected to. If the two are inconsistent, it will cause the signal to be out of sync and cannot be displayed. This is why there are often pictures that can be played normally on the computer but cannot be projected by the hardness tester.
Fourth, the maintenance of the hardness tester: the hardness tester is a precision electronic product. When it fails, do not turn it on for inspection without authorization, but seek help from professional technicians. This requires us to understand the after-sales service of the hardness tester clearly when purchasing the hardness tester.
Post time: Jun-16-2023
