Describe:
Air Filter can be divided into air filter for machine equipment, air filter for clean room and dust filter for preventing air pollution.
Characteristics and advantages:
The three major types of Air Filters form their own structures and filtering effects because of their different protection areas, but they have one thing in common, that is, air is used in circulation media, as well as other types of air filters, such as air filters in hydraulic systems. Known as the hydraulic tank air filter; From a technical point of view, people wear masks are also air filters, the former protects the machine (hydraulic system), the latter protects human health.
Classification and applications:
Machinery and equipment type of air filter: automotive air filter, Air Compressor Air Filter, their shape is generally cylindrical air filter. Clean room air filter: workshop clean use; Biomedicine production, chemical electronic chip production, operating room and other industries, their shape is generally square junior high efficiency plate filter. Air filter is used to filter smoke dust from steel plant, cement plant, chemical plant and so on, and to control the discharge of dust remover. Their shape is cylindrical filter tube and filter bag.
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Here's a brief introduction for everyone:
1. The main reasons for the external power supply of the electronic hanging scale are: The power plug is not firmly inserted or disconnected, which results in the battery of the meter not being charged.
2, the weight display itself failure This situation is mainly weighing display main board power transformer failure, its main reasons: First, the component aging caused failure, and second, the sudden change in the external power supply, resulting in transformer damage.
We can let professional technicians help us open the case and check the power supply with a multimeter to determine if it is a power transformer. If it is, we need to change the power transformer again, and if it shows that the watch battery is charging properly, it will be successful.
3, scale body instrument new number fault This kind of fault we operate the electronic crane scale will find that the device launches the instrument to receive no signal, check the scale body power, antenna installation, transmitter connection lines are normal. Therefore, judge the transmitter failure. Normal after replacement. Power supply device: When the battery capacity is low, sometimes there is no signal, and the battery is charged in time. The battery plug is loose and the power switch does not turn on.
4. The top card A/D of the hook is damaged. The sensor is damaged. First open the scale body and check the component welding on the A/D board. Then, when checking the hook device of the scale body, find the lip seal connected to the lower platen of the scale body. Damaged due to deformation, resulting in the hook due to the gap when hanging heavy objects on the top card limit or sensor. Now that the lower pressure plate and the lip seal ring have been transformed into an integral connection, this phenomenon is avoided and the accuracy of weighing is ensured. 
The above four points are some of the situations that often occur when working with electronic crane scales. Some of these failures may have occurred when we used them without careful examination and some minor problems have appeared. After the above-mentioned contents, we hope that we can help everyone. When using this product, Our daily maintenance work should be done well and it can improve the service life of the product.
Talking about Hengfeng Electronic Crane Display Failure
We all know that different environments require different requirements for electronic crane scales. Therefore, electronic crane scales have a variety of functional features and structures. The electronic crane scale also has the advantages of compact size, convenient carrying, and easy operation. However, the only drawback is that the weighing indicator of the electronic crane scale may be displayed abnormally due to long-term use or being overweight, and the work cannot be performed. What are the common problems with this electronic ceiling scale monitor? What good solution do we have?