Weighing module

We only use Mettler’s; indeed, as you said, they are very expensive.

Yamato, Eagle Brand, and Mettler are all available for selection

This post was last edited by jack_gl on 2012-4-21 at 12:02. Do you mean that the weighing module refers to a weight sensor? If you are advised to use Mettler products, that’s a good choice – their sensors are of excellent quality and their prices aren’t high. Think about it: as long as a sensor isn’t used under excessive load for extended periods, it can last seven or eight years without any problems. The 2T model I bought cost just over 2,000 yuan

Thank you to all my colleagues for their advice. We don’t use Mettler’s products very often either, but the company that provides service is a secondary agent of Mettler; they keep talking only about money, which is really annoying. Asking for money before even providing the service! ! ! ! ! ! !

It mainly depends on practical application to see if it can meet the process requirements. Next, quality needs to be considered. The domestic market is largely dominated by Mettler, mainly due to its extensive marketing network, early entry into the Chinese market, and strong relationships with design institutes In fact, there are many good products in terms of weighing. After all, while a brand’s reputation is useful, one’s own experience after using a product is still more important. If the project is not large-scale, it might be a good idea to consider products from brands with less recognition as well!

Siemens options are good too; they come with PLC control, and models like the SW230D will work fine for five to six years without any problems

We are a first-level distributor for Mettler, and the largest distributor of Mettler in China. Feel free to contact me if needed! We use many Mettler products in our projects, and considering the cost-performance ratio, Mettler is still a worthwhile choice

Use Wuxi Zhengjia’s! The quality is stable, and its installation dimensions are very similar to those of Torido’s products, so it can be used as a direct replacement. The technology related to weight sensors is now well-developed in China. Contact number: 13771150196

To reduce costs, Mettler’s display heads are generally used nowadays, along with sensors from other manufacturers such as Keli; this approach helps to lower the cost of the instruments without having any significant impact on their performance.

This post was last edited by narshi on 2013-6-18 08:10. Shanghai Taike Weighing Instruments Co., Ltd.: Considerations for selecting, installing, and debugging weighing modules. 1. Considerations for selection: When selecting weighing modules, the range of modules – either sets of 3 or sets of 4 – is generally determined based on the support points of the container. Due to factors such as the weight of the scale body (container), vibrations, shocks, and uneven loads, the following rules are typically followed for selection. Multi-sensor static weighing system: Fixed load (scale platform, container, etc.) + variable load (load to be weighed) ≤ rated load of the selected sensors × number of sensors used × 70; the factor of 70 is included to account for factors such as vibration, impact, and uneven loading. 　　Additionally, pay attention to any explosion-proof requirements; in environments where flammability and explosiveness are a concern, explosion-proof sensors should be used. 　　2. Installation precautions 　　(1) Pay attention to horizontal adjustment, including the adjustment of the installation plane for individual modules as well as the horizontal alignment between sets of weighing modules. 　　(2) The sensor must not allow current to pass through it during welding. When welding the top plate, the ground wire should be connected to the scale body; when welding the bottom plate, the ground wire should be connected to the foundation, in order to prevent damage to the sensor. 　　(3) If there are feed pipes on the scale body, they should be replaced with hoses, or the connecting pipes should be made as long as possible, in order to prevent them from affecting the actual load on the sensor and causing errors. 　　(4) A weight calibration bench should be welded to the container for calibration purposes. Containers generally do not have a place to place weights, so a platform needs to be welded on for that purpose. It is usually welded at the bottom of the container to facilitate the placement of weights above and below. 　　(5) The junction box must be protected from moisture, and any extra holes should be sealed with plug caps. If the junction box is installed outdoors, it must be fitted with a protective box to prevent exposure to rain. Malfunctions occur from time to time due to moisture in the junction box during use, so sufficient attention must be paid to this issue. 　　3. Precautions for debugging 　　(1) Before debugging, be sure to check whether the nuts at the top of the support screws of each weighing module have been loosened and whether the sleeves are in a free state; otherwise, significant errors may occur, or weighing may even be impossible. 　　(2) During debugging, it is necessary to check whether each parameter’s factory-set value meets the actual requirements. In particular, for the \"reset upon startup\" parameter, it is usually set to \"automatic reset upon startup\" out of the factory, but on container scales it is better to change this setting to \"disable automatic reset upon startup\" in order to prevent the weight of the material in the container from being reset and lost when the device is restarted due to power outages or other reasons. 　　(3) The range setting does not refer to the rated total load of a weighing module, nor does it include the weight of the container itself; rather, it should be determined based on the maximum amount of material to be weighed, by selecting a value that is greater than or equal to the maximum weighing capacity from the scale divisions and division values provided in the instructions. (4) The power supply voltage of the weighing display must meet the requirements; if the voltage is unstable and exceeds the allowable range, it will cause digital drift. It is best to use a regulated power supply. Since weighing systems composed of electronic weighing modules facilitate automated weighing during processes and enable networking with computers, they are bound to be used more and more widely in chemical enterprises.