Recently, the National Abrasives Quality Supervision and Inspection Center ushered in good news. Its “Calibration Laboratory†passed the accreditation of the China National Accreditation Service for Conformity Assessment (CNAS), and its “Mechanical Industry Fourth Measurement and Test Center Station (Zhengzhou)†successfully passed China. Machinery Industry Federation qualification review. From December 15 to 16, 2018, the China National Accreditation Service for Conformity Assessment (CNAS) appointed an expert review team to conduct an on-site review of the “calibration laboratory†in accordance with relevant national guidelines. On February 20, 2019, the China National Accreditation Service for Conformity Assessment (CNAS) approved the scope of the laboratory's measurement and calibration capabilities: industry-specific measuring instruments (abrasive smooth limit gauges, grinding wheel testers, etc.) and general measuring instruments (general calipers) , micrometers and other length gauges and electronic balances, digital indicator scales and other scales). Since then, the National Abrasives Quality Supervision and Inspection Center has issued a certificate of calibration for measuring instruments approved by the market, thus filling the gap in the “calibration laboratory†in the field of abrasives. “Calibration Lab†review site In the same period, the China Machinery Industry Federation conducted an on-site assessment of the qualification assessment of the “Mechanical Industry Fourth Metrology and Testing Center Station (Zhengzhou)†in accordance with relevant guidelines and methods. On January 30, 2019, the China Machinery Industry Federation authorized the metrology station to measure and calibrate the range of equipment including the sandblasting hardness machine, the grinding wheel rotary testing machine, the magnetic material analyzer and other industry-specific instruments and equipment, electronic balances, analog indicator scales, weights, General-purpose appliances such as universal calipers provide the ability to provide comprehensive metrology services for the abrasives industry. The National Abrasives Quality Supervision and Inspection Center will continue to provide timely, accurate and reliable testing, measurement and calibration services for new and old customers in a fair, scientific and honest manner, and actively promote the improvement of product quality in the industry.
The Monitor is a part of the closed-circuit monitoring system (CCTV). It is the display part of the monitoring system and the standard output of the monitoring system. With the display of the monitor, we can watch the images sent from the front end. As an indispensable terminal equipment of video surveillance, it ACTS as the "eye" of surveillance personnel and plays a key role in the post-inspection.
The traditional CRT monitor has advantages over the existing LCD in brightness, contrast and visual Angle, etc., but with the technical progress of LCD, its brightness and contrast have been improved to the level comparable to THE CRT, while the Angle of view of the existing LCD screen has been close to the absolute Angle of view, and there is no gap with the CRT. LCD monitors have advantages over CRT monitors in light weight, environmental protection and low energy consumption. In addition, LCD monitors can eliminate many problems of CRT monitors, mainly in five aspects:
1.LCD Monitor can completely eliminate the problem of burn, that is, the long-term static and highlighted picture attenuates the fluorescence of CRT monitor, thus generating the phenomenon of ghosting.
2. The LCD monitor will not flash at all.
3. No aggregation of LCD monitor.
4. The LCD monitor is not magnetized and does not need to be eliminated.
5. The LCD monitor adopts fixed pixels, which will not produce geometric distortion.
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Abstract Recently, the National Abrasives Quality Supervision and Inspection Center ushered in good news. Its “Calibration Laboratory†passed the accreditation of China National Accreditation Service for Conformity Assessment (CNAS), and its “Mechanical Industry Fourth Measurement and Test Center Station (Zhengzhou)†passed smoothly. China Machinery Industry Federation...