2026-10-30 10:54:05
In an agricultural society, weighing instruments helped farmers precisely allocate seeds and fertilizers to ensure the growth of crops. In commercial trade, it is the guardian of fair transactions, preventing fraud and injustice. In the field of scientific research, the precision of weighing instruments has further promoted the rapid development of natural sciences such as physics and ...
2026-10-27 16:06:23
Traditional sensor technology courses are primarily theoretical, supplemented by a limited number of laboratory experiments. In these practical sessions, the focus is often placed on demonstrations and verification-based exercises, lacking activities designed to cultivate students' comprehensive skills and competencies. Consequently, students are rarely truly engaged, remaining instead in a...
2026-08-31 14:34:48
I. Overview 1 Several related terms: Durability: The ability of a weighing instrument to maintain its performance characteristics unchanged throughout its entire specified service life. Range stability: The ability of a weighing instrument to maintain the difference between the maximum weighing capacity indication and the zero point indication within the specified limit within the prescribed servi...
2026-08-31 11:03:00
This paper briefly reviews the recent research and applications of biosensors—particularly microbial sensors—in the fermentation industry and environmental monitoring, while also forecasting their future development and commercialization prospects. Bioelectrodes utilize immobilized biological entities as molecular recognition elements; when combined with components such as oxygen electrodes...
2026-07-30 14:00:47
1. Regarding digital load cells At the end of the last century, digital load cells were all the rage. Almost all major foreign manufacturers launched digital load cells. Especially the column-type load cells can install integrated circuits in the casing and directly output "digital signals" to form a complete "digital load cell". However, most strain load cells cannot integrate integrated circuits...
2026-07-30 10:45:45
Fraudulent practices involving electronic price-computing scales have a long history; such cheating emerged alongside the widespread adoption of these scales in China, clinging to the devices like a virus. The practice has now evolved into its most sophisticated form—software-based fraud—creating a scenario where the "devil" seems to constantly outpace the "priest." This type of software fraud is ...
2026-06-29 17:12:01
I. Overview Currently, there are two different understandings of "repeatability tests". One is a more conventional understanding, which is the ability of a weighing instrument to provide consistent results when the same load is repeatedly applied under relatively constant test conditions using the same operation method. This relatively constant test condition includes: the same weighing procedure,...
2026-06-29 17:08:04
I. Overview In the International Recommendation R76-1 "Non-Automatic Weighing Instruments", zero point and zero setting are regarded as very important issues. Not only are metrological requirements put forward for them, but also technical requirements are stipulated, because the stability of the zero point of any weighing instrument is the basic guarantee of its metrological performance. The follo...
2026-05-29 11:37:43
An electronic balance is an instrument capable of accurately measuring the mass of an object, and is widely used in fields such as research, pharmaceuticals, chemistry, and food. During actual use, the measurement results of the balance are often affected by various factors, among which temperature and humidity are the most common and significant factors. Understanding the impact of temperature an...
2026-05-29 10:15:06
Electronic pricing scales, due to their simple operation and accurate and reliable measurement, have been widely used in trade settlement fields such as farmers' markets and supermarkets, and have become one of the most common measurement tools for people's livelihood [1]. However, driven by profit, some manufacturers, distributors and users have crossed the legal bottom line by manufacturin...
