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You can select one or more of the keywords below to retrieve relevant information. also click now“search material”Search all puzzles. The accuracy of the general electronic weightlessness scale is 5g, the precision of the weaker general electronic scale will be lower, and the precision of the high-precision electronic scale is higher.
Electronic scales are widely used in control, seasoning, and measurement verification. The system precision of electronic scales is often required to be very high. One of the main reasons that affect the system precision is the discrete system problem of electronic scales. The article is based on practice The perspective of activity and operation mainly shows the key causes of discretized system deviations and the ways to deal with them. The electronic scales used by units, companies, government agencies and institutions as metrological verification standards, as well as the electronic scales used in foreign trade, security, medical services, and environmental monitoring, must pass metrological verification standards before they can be used. Those who fail to apply for metrological verification in accordance with the regulations, or fail to pass the metrological verification, shall not be applied.
The electronic weight loss scale of the loader is based on two liquid level sensors respectively installed on the oil inlet and oil return passages of the hydraulic cylinder of the loading mobile arm to measure the pressure change of the hydraulic cylinder during the lifting process of the loading mobile arm. And adjust the speed, the microprocessor in the dashboard of the car automatically calculates, and then calculates the weight data, and displays the calculated weight on the dashboard screen. According to the declaration of the manufacturing enterprise, the accuracy level of the electronic weight loss scale of the loader should exceed the provisions of the Y (b) scale.
The factory nameplate, face plate or dial of the electronic weight loss scale of the loader should be marked with the metrological verification law mark and the metrological verification mark, and the mark, serial number and indication must be clear and legible, firm and reliable. Understand the partner's culture and education Experts listen to opinions: 30707 Likes: 300517 In 2010, he graduated from Anhui University of Technology, majoring in fiber materials and engineering, and obtained a degree certificate in science and engineering. According to the national metrology verification standard, the electronic scale belongs to the scale of medium precision.
The mark III is also called a three-level scale. The definition of scale accuracy is: accuracy level III, metrological verification division value e, metrological verification sub-myopia degree n, weighing Maix, and small weighing Min. That is, the accuracy specification of the electronic scale is composed of various metrological verification indicators. For example, the metrological verification points belonging to the three-level scale must be within the measurement range of 2000-10000.
The higher the accuracy, the higher the measurement and verification characteristics of the scale, that is to say, the scale is very accurate and the deviation is small. In fact, the deviation of the electronic scale is checked by the allowable deviation of several weighing points. For example, for an electronic scale with a weighing capacity of 3KG, the degree of myopia in the measurement verification is 3000, the division value of the measurement verification is 1 gram, and the small scale is 20 Grams, it is stipulated that the scale cannot exceed the allowable error at 20 grams, 500 grams, 1000 grams, and 3000 grams. Only when the measurement verification of each point reaches the standard can the electronic scale weigh the standard. There are also many inspection items when going to the metrological verification organization authorized by the state to verify the electronic scale, such as the appearance inspection of the electronic scale, the anti-interference signal inspection, the verification inspection of the metrological verification label, and the attached function inspection.
Scales are subject to metrological verification under the national compulsory control. The new scales purchased must be used after the local metrological verification unit meets the standards of metrological verification, and an annual review is required every year. Only scales that meet the standards for measurement and verification are considered accurate scales.
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