Guangzhou Superior Electronic Technology Co., Ltd.

SO STAR NEW RECOMMEND

Release time：

2022-5-26

Abstract:

NEW RECOMMEND

SO STAR

Release time：

2021-5-21

Abstract:

So Star since 2016, focused on commercial weighing and cash register machine

Inter Weighing 2020

Release time：

2020-9-5

Abstract:

inter weighing2020 , booth number 5451-5452/5462-5462.

What is the cause of zero instability in electronic scales? How to solve it?

Release time：

2019-3-21

Abstract:

1. Analysis of zero instability of electronic scales 1.1 The weighing material is not strong. During the use, the table top is in direct contact with the items to be weighed, so when weighing. Whether the electronic scale is empty or full load needs to be on the same level, otherwise there will be some error in weighing. In the material selection of the electronic scale countertop, we should try to use some weighing bodies with better strength, strong rigidity and not easy to deform. 1.2 Sensor failure As an electronic instrument, the accuracy of the electronic scale is very high, so there are often some faults. The sensor is a very prone to fault location in the electronic scale. Especially when the voltage signal of the zero point signal output is too high or too low at no load, this situation will cause the zero point of the electronic scale to be undisplayable. 1.3 The voltage signal output of the sensor zero point is too high or too low. According to the practice of repairing the sensor, we can find out. In the event of a sensor failure, the scale will not display the zero point properly. Most of the cases are caused by the zero-voltage output being too high, and according to the statistics of some data, all the faults that cause the electronic scale zero display to be unstable, because the sensor zero-point voltage output is too high, the fault occurs, which is a large proportion. The principle of the bridge measuring circuit is analyzed at about 80%. To make the circuit signal linear in the output process. The four resistors on the sensor should have the adjacent two strain gauges in a complementary shape. When the zero-point voltage of the sensor is excessively high, the elastic body is deformed, so that the corresponding resistance value becomes larger or smaller, resulting in an increase in the potential of the output signal of the sensor. If the voltage output from the sensor is too low, it will cause the elastomer to deform. The strain gauges which are reversely changed are compressed to some extent. The resistance of the strain gauge is reduced or we can lengthen the positively varying strain gauge. Increase its resistance. At this time, the positive signal potential of the sensor output will gradually decrease. The voltage signal output of the sensor zero is too low. The fault is similar to the case where the voltage output is too high. If the voltage output from the sensor is too low, the elastomer will be deformed. The resistance strain gauge that changes in the opposite direction will be compressed to some extent. The resistance of the strain gauge is reduced or we can lengthen the positively-changing strain gauge. Increase the resistance. At this time, the positive signal potential of the sensor will gradually decrease the voltage output of the sensor zero. The situation in which an output too high fault occurs is similar. 2. Solutions for the above faults If the sensor that replaces the scale has a problem with the sensor of the scale, we can take some pressure to apply it or lift the scale up to make the zero value display properly or replace the sensor directly. But replacing the sensor is a very complicated task. Taking the method of repairing the sensor not only saves time but also saves a part of the money. Therefore, in daily life, people are more willing to choose the method of repairing the sensor. Due to the increasing demand for electronic scales, there are more and more solutions to the failure of sensors. The simplest and most effective way is to replace the resistors on the board. When the sensor is shipped from the factory, its measuring bridge is in an equilibrium position, so the output voltage of the measuring bridge should be zero without any load. The frequent use of electronic scales or the pressure of some objects. Even excessive pressure loads cause deformation of the sensor. In severe cases, the electronic components in the sensor are directly affected, which makes the measurement bridge unbalanced, which directly causes the signal of the zero-point voltage output to be in an unbalanced state. Make the electronic scale not display the zero point normally. A serious situation will directly cause zero to be displayed.

What is a barcode scale?

Release time：

2019-3-14

Abstract:

The principle of the bar code scale is also relatively simple. The portable bar code machine is built on the basis of the electronic scale. The printing information format of the product is set in advance, and the bar code paper can be clearly printed out when used. When an object is placed on the weighing pan, pressure is applied to the sensor, which deforms, causing the impedance to change, while using a change in the excitation voltage to output a varying analog signal. The signal is amplified by an amplifying circuit and output to an analog to digital converter. The digital signal converted into a convenient processing is output to the CPU arithmetic control. The CPU outputs the result to the display according to the keyboard command and the program, and also outputs it to the portable printer, and prints the barcode label. Bar code scales are mainly used in supermarkets to weigh and print barcodes.

Superior Electronic Technology Co., Ltd.

Release time：

2019-3-14

Abstract:

Guangzhou Superior Electronic Technology Co., Ltd. is a high-tech enterprise wholly invested and controlled by Hong Kong Superior Group Holding Co., Ltd. Since entering the commercial weighing industry in 2004, the company has been committed to the development, production and sales of commercial Weighing and peripheral equipment. After more than 10 years of intensive service in the industry, we have become the largest trade service provider in China's commercial Weighing industry, which integrates multiple brands. We are also a professional customization company for printing heads in the world. At the same time, we can provide many brand barcode scales, such as Sigang, Dahua, Top, Toledo, Friendship, Shitian, Kaishi, etc. application technical consultation, key components testing and maintenance services. We provide customers with all kinds of bar code scales, PC scales, cash registers and other whole machine sales, at the same time, to provide all kinds of high quality and cheap product accessories and more efficient and convenient services! We look forward to working hard in the next 20 years for the largest, most competitive and respected retail equipment integrated service providers in the world, to create win-win and share superiority with teams, partners and terminals.

The principle of electronic scales, the working principle of electronic scales

Release time：

2019-3-21

Abstract:

First, the term explanation A measuring instrument for measuring the mass (weight) of the object by using gravity acting on the object, and the scale equipped with the electronic device is an electronic scale. Second, the working principle The weighing instrument converts gravity into an analog signal of voltage or current through a weight sensor mounted on the mechanism, and is amplified and filtered to be converted into a digital signal by the A/D processor, and the digital signal is calculated by a central processing unit (CPU). Processing, and the peripheral functions and various interface circuits are also connected to the CPU application, and finally displayed by the display screen in a digital manner. Electronic scale schematic: Program K/B (button) ↑ Fx → Sensor → OP Zoom → A/D Converter → CPU → Display Driver → Display ↓ Memory 1. Weight sensor 2. Amplifier circuit 3. Filter circuit 4. Analog to digital converter 5. Central processor 6. Power supply circuit 7. Button 8. Case 9. Mechanism 10. Weighing pan Weighing instruments can be divided into mechanical and electronic Classification of electronic scales (weighers can be divided into mechanical and electronic) 1 Working principle: The working principle of electronic type is composed of electronic components (loading sensor, AD conversion circuit, single-chip circuit, display circuit, keyboard circuit, communication interface circuit, regulated power supply circuit, etc.). 2 Function: The electronic weighing instrument adopts the integrated electronic weighing device of modern sensor technology, electronic technology and computer technology to meet and solve the "fast, accurate, continuous and automatic" weighing requirements proposed in real life, and effectively eliminate it. Human error makes it more in line with the application requirements of legal metrology management and industrial production process control. 3 Health scales are a classification of the use of scales (both mechanical and electronic), which are inexpensive, can help people effectively monitor their weight changes, new products can also detect their own fat content, and Some humanized affiliate functions. May not be a measuring instrument. 4 The electronic weighing instrument is a nationally compulsory measuring instrument. Its qualified product is a standard with a verification index value e and a subdivision value D. It is a product protected by the national measurement method. There is a product called “Human Scale” in the classification of electronic scales, which can be checked in the metrology department and the weighing is very accurate. Interpretation of the principle block diagram of the electronic scale The first part is the principle block diagram of the electronic scale: Program K/B (button) ↑ Fx → Sensor → OP Zoom → A/D Converter → CPU → Display Driver → Display Memory Workflow Description: When an object is placed on the weighing pan, pressure is applied to the sensor, which deforms, causing the impedance to change, and using the excitation voltage to change, outputting a varying analog signal. The signal is amplified by an amplifying circuit and output to an analog to digital converter. The digital signal converted into a convenient processing is output to the CPU arithmetic control. The CPU outputs this result to the display according to keyboard commands and programs. Until this result is displayed. The second part of the scale classification: 1. According to the principle: electronic scale mechanical scales mechanical and electrical combined scales 2. According to the function points: counting scales pricing scales weighing scales 3. According to the purpose: industrial scales commercial scales special scales The third part of the scale: 1. Desktop scale refers to the electronic scale with the full weighing below 30Kg 2. The scale refers to the electronic scale with the full weighing within 30-300Kg 3. The weighbridge refers to the electronic scale 4 with the full weighing above 300Kg Precision balance The fourth part is classified according to the accuracy: Class I: Special balance precision ≥1/100,000 Class II: High-precision balance 1/10,000 ≤ Precision <1/100,000 Class III: Medium precision balance 1/1000 ≤ precision <1/1 million class IV: ordinary scale 1/100 ≤ precision <1/1000 The fifth part of the terminology: 1. Maximum weighing: One electronic scale does not count the tare, the maximum load that can be weighed; 2. Minimum weighing: a relative of a scale that appears below this value Error; 3.Safety load: 120% normal weighing range; 4. Rated load: Normal weighing range; 5. Allowable error: Maximum deviation allowed by level inspection; 6. Sensing: Can be displayed by an electronic scale Minimum scale; usually denoted by “d”; 7. Analytical quantity: an electronic scale with counting function, the smallest scale that can be distinguished; 8. Resolution: An electronic scale with counting function, which has

Electronic scale maintenance knowledge common problems

Release time：

2019-3-14

Abstract:

First, why can't my electronic scales turn on? 1. Check if the electronic scale has a battery (and check for electricity), dry battery or external power supply; 2. Check if the battery cable and button wiring are loose; 3. Check if the power switch is in the ON, I or ON state; 4. If it still cannot be solved, it is recommended to return it to the dealership for processing; Second, why is my electronic scale not charging or the charging indicator is not lit or not responding? 1. Please make sure that the 110V/220V voltage switch of the electronic scale is adjusted to the same voltage as the power supply, and make sure that the charging cable is firmly inserted into the charging stand on the scale. 2. Check if the charging cable has an external force factor and cause an open circuit. 3. Check if the fuse is defective. 4. The battery is defective. 5. For the fourth reason or not, it is recommended to return it to the dealership for processing. 3. Why is there no movement after my electronic scale is turned on? 1. If you are using a dry battery, please check if the voltage of the dry (storage) battery is sufficient. If the voltage is insufficient, please replace the dry battery (charge the battery). 2. If you use ADAPTOR, pull out the ADAPTOR output connected to the electronic scale, and then install the dry battery. If it can be turned on, the ADAPTOR is damaged. Please replace it. 3. Is the electronic scale fuse defective? 4. The switch or button may be damaged. 5. Possible electronic component failure. For reasons 4 or 5 or not, it is recommended to return it to the dealership for processing. 4. Why can't my electronic scales be weighed or not weighted? 1. Check if the shipping protection device is removed. 2. Check for foreign object interference between the weighing pan and the upper case; 3. Please recalibrate according to the calibration procedure in the operation manual. If it is not the above reasons, it is recommended to return it to the dealership for processing. 5. Why does my electronic scale button automatically trigger when there is no action or abnormal action? 1. The button is defective. 2. The button socket is defective. The above reasons are recommended to be sent back to the dealership for processing. 6. Why is my electronic scale screen not showing up properly? 1. If there is a word break in a single font, it may be that the LCD is in poor contact or malfunction. 2. The display is unclear or cannot be displayed. It may be an electronic component failure. The above reasons are recommended to be sent back to the dealership for processing. 7. Why can't my electronic scale be backlit? 1. Whether the backlight function of the internal program of the electronic scale is not set. (Please refer to the operation manual settings) 2. There is a backlight setting function, and the weighing pan needs to be placed on the scale (the amount of light is 9 times to be brighter). 3. Possible electronic component failure. If it is the third reason or not, it is recommended to return it to the dealership for processing. 8. Why is there an error message on my electronic scale screen? 1, +/- Err: exceeds the LCD display range / sensor line break, or sensor failure 2. +/-Err2/Unst: The starting zero point exceeds +/-10%/external interference (if there is vibration or wind blowing or other objects hit the weighing pan, etc.) 3, +/- Err3 / Out2: AD / LOAD fault / there is something on the weighing pan when the machine is turned on / external interference 4, Err4/ErrE: memory bad / memory internal data loss, can be reset and corrected or replaced after the memory is reset and corrected; 5, Err5 / EEEEE: overload (more than the maximum weighing +9e) / or sensor failure / correction value changes (revision required) 6, Err6/ErrC: Correction code is wrong / or need to do linear correction 7. Err7: The weighing and sensitivity settings are incorrect (reset the weighing and sensitivity) 8, Err8: The use unit and the boot unit settings conflict (need to reset the use unit and boot unit) 9, Err9: set the LOW value is greater than or equal to the HI value 10,LLLLL/HHHHH: The internal code is too low or too high (need to be adjusted) / sensor is bad 11, Over: Accumulated more than 99 pen / board line break 12, battery symbol: battery is no electricity / board or electronic circuit has a problem 13. If the above fault cannot be ruled out in the set way, it is recommended to return it to the dealership for processing; 9. Why does my electronic scale screen appear - Err message? 1. Is the weighing pan not placed on the scale? 2. May be affected by improper external forces. 3. If the reason is the second reason or not, it is recommended to return it to the dealership for processing. 10. Why does my electronic scale have a battery symbol? 1. Please charge the scale with the power cord immediately. 2. The battery or electronic component may be faulty. If it is the second reason or not, it is reco

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SO STAR NEW RECOMMEND

SO STAR

Inter Weighing 2020

What is the cause of zero instability in electronic scales? How to solve it?

What is a barcode scale?

Superior Electronic Technology Co., Ltd.

The principle of electronic scales, the working principle of electronic scales

Electronic scale maintenance knowledge common problems