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Chinese ancient weighing instrument culture and measurement development history

Chinese ancient weighing instrument culture and measurement development history

2023-03-09

China's weighing instrument industry has a long history and has a profound influence in China's traditional culture. Today, I will give you a brief introduction to the development history of weighing instrument measurement in China, so that you can have a comprehensive understanding of the industry in China.

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Guide to the correct use of laboratory electronic balance | 02 Environment

Guide to the correct use of laboratory electronic balance | 02 Environment

2023-03-09

Keep the indoor temperature as constant as possible. The rapidly changing temperature will have a significant impact on the weighing results.Do not weigh near the radiator or window.

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Guide to the correct use of laboratory electronic balance | 01 Position

Guide to the correct use of laboratory electronic balance | 01 Position

2023-03-09

When the electronic balance is used in a stable way (test bench, test table, stone table) for weighing, the weighing table shall not sag, and vibration shall be avoided as much as possible.

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Does the analytical balance need desiccant? This will solve your doubts

Does the analytical balance need desiccant? This will solve your doubts

2023-03-09

A: Do not place desiccant in the windshield. Because the presence of desiccant will cause air convection in the windshield and affect the weighing, in addition, desiccant will also increase the generation of static electricity.

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Weighing methods and use rules of common analytical balance

Weighing methods and use rules of common analytical balance

2023-03-09

Direct weighing method: if the solid sample is not hygroscopic and stable in the air, the direct weighing method can be used. First accurately weigh the mass of the clean container on the balance, and then use a spoon to take an appropriate amount of sample and add it to the container, and then weigh its total mass. The mass of the sample can be obtained by subtracting the two mass values.

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What should I do if the electronic balance is unstable?

What should I do if the electronic balance is unstable?

2023-03-09

Electronic balance generally adopts strain sensor, capacitance sensor and electromagnetic balance sensor. Strain sensor has simple structure and low cost, but its accuracy is limited, so it can not achieve high accuracy at present; Capacitive sensor has fast weighing speed and high performance-price ratio, but it can not achieve high accuracy; Electronic balance with electromagnetic balance sensor.

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