The weighing instrument is also called the weighing display control instrument. It is an electronic device that converts the load cell signal (or through the weight transmitter) into a weight digital display and can store, count, and print the weight data. Automated ingredients in agricultural production are weighed to increase production efficiency.
However, in recent years, the market has been continuously broadened. With the expansion of the scale instrument user enterprise, the increase of product complexity, and the improvement of the management system, various new requirements for symmetric heavy instruments and their systems are constantly being proposed, among which data The needs of centralized management and remote monitoring are particularly prominent.
    In the past ten years, with the development of domestic productivity, China's weighing instrument industry has undergone tremendous changes. From the scarcity and unevenness of China in the past decade, it has developed to the current scale of hundreds of weighing instrument manufacturers that can meet the requirements of national symmetrical heavy instrument accuracy, stability and anti-interference ability. Some of them can design and manufacture a weighing instrument with a certain appearance and performance comparable to that of developed countries, and can achieve reasonable control in cost and high cost performance, which is highly praised by domestic and foreign customers. However, most of the domestic weighing instrument users are still relatively backward in terms of technology. Therefore, the domestic weighing instrument market is mainly concentrated in the common pricing counter scales, static truck scales, etc. The additional functions are mainly concentrated in the built-in micro- or external printers, switching Output, upper and lower limit alarms, etc.
Wireless transmission in the electronic weighbridge weighing system
    In the current market situation, most of the weighing instruments are used alone, and the meters are not very close. When it is necessary to carry out data processing on the weighing platform, the meter is often connected to the large screen by using a current loop method, and the single meter is connected to the computer in close proximity using RS-232, or multiple units are used by RS-485. The meter is connected to the computer. There are several inconveniences in this conventional connection:
1. The connection between the weighing instrument and the computer and other accessories requires wiring, and the concealment of the wiring and the ease of maintenance are difficult to choose.
2. Various interfaces have requirements for the length of the connection and the number of loads, and also consider the load capacity.
3. When the wiring is long, it is easily affected by the on-site environmental interference, especially in the case of harsh electrical and electromagnetic environments.
     In terms of wireless transmission, there are multiple wireless transmission methods coexisting. Some of these methods are already relatively mature; there are some ways that there may be more mature applications in other industries, but the weighing instrument industry may still be in the trial stage. Weighing instruments such as weighing instruments, weighing platforms, data processing servers, and large-screen displays are remotely connected by using common RF wireless transmission, Zigbee wireless transmission, and GSM/GPRS wireless transmission.
      Therefore, wireless transmission has great advantages compared with conventional wiring methods in the case of long distance, heavy load and harsh environment.
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Guedel Airway
Oropharyngeal Airway devices are often used as [bite blocks" after a patient's trachea has been intubated, in order to prevent the clenching of the teeth on the Endotracheal tube. Oropharyngeal airway devices are responsible for up to 55% of anesthesia-related dental complications.
Features&Benefit
Oropharyngeal airway is made of medical grade PE.
Maintains a gas pathway through the oral cavity and pharynx.
Araumatic soft-rounded edges.
Anatomically correct design.
Resists to collapse.
Smooth inner and outer surface.
Bite block provides access fro suction catheters.
Flexible to ensure dental protection.
Sterile and clean pack bulk packaging.
Color coded.
Available with FDA, ISO certificates.
Color-coded for easy sizes identification.
Size 40mm/000#-120mm/6#, Suitable for neonate, pediatric ,adult
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