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Chinese New Year 2025 - Lunar New Year's Date Chinese New Year 2025, also known as Chinese Lunar New Year or Spring Festival, falls on January 29th. It's the Year of the Snake, and that day is on Wednesday. People in Q1-TEST get an 20-day (Jan 18 - Feb 6) holiday for the Chinese New Year 2025. Read More
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Select Humidity Range of Climate Chamber The humidity index given by the temperature and humidity environment test chamber is mostly 20%~98% or 30%~98%. If the temperature and humidity environment test chamber does not have a dehumidification system, then the test chamber with a humidity range of 60... Read More
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Select Temperature Range of Climate Chamber At present, the temperature range of environment test chambers is generally -40℃~150℃. Some test equipment can reach a low temperature of -70℃ and a high temperature of 180℃. For -40℃~150℃, unless there is a special need, such as the installation location ... Read More
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Principle of Vision Measuring Machine The vision measuring instrument is a device that uses optical imaging and image processing technology for measurement. Its principle is based on camera imaging and image feature extraction. The principle of the image measuring instrument is introduced below: ... Read More
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Calibration of Microhardness Tester Most microhardness testers lead a charmed life in comparison to Rockwell and Brinell testers. They usually wind up in laboratory environments, free from the dirt and oil that can plague other hardness testers. Consequently, microhardness testers tend to have long ... Read More
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Humidity Range of Temperature and Humidity Test Chamber 1. Humidity range of constant temperature and humidity test chamber We know that the humidity of constant temperature and humidity test chamber is relative, such as 50%RH at 30℃; 85%RH at 85℃, and so on, rather than from the lower limit of high ... Read More
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Sample Preparation Before Micro Vickers Hardness Testing In most cases, samples are sectioned and mounted prior to micro Vickers hardness testing. The samples are then ground, sanded and polished to provide a test surface free of scratches and surface texture. Sometimes production demands do not ... Read More
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Does The Environment Affect Microhardness Testing Because of the light loads utilized in microhardness testing, vibration can contribute to loading accuracy. Even if the part is not impacted during loading, the oscillation of the indenter or the test specimen can cause the indenter to work its way ... Read More
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Common Problems in Microhardness Testing Microhardness testers are delicate instruments. Extremely light forces (typically from 10 to 1,000 g.) must be accurately applied, and the resultant impressions (some as small as 10 microns) must be precisely measured under high magnification. And so there ... Read More
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Advantages of Stereo Microscope It helps view opaque specimens; A stereo microscope allows for microphotography; It also helps in 3-D imaging; A dissecting microscope enables the view of larger samples as it has a huge working distance. Disadvantages of Stereo Microscope It is not applicable for ... Read More
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