Shenzhen United Testing Technology Co., Ltd

UL2743 Certification is a safety certification standard for electronic products developed and promoted by the Underwriters Laboratories of the American Insurance Company Research Institute (UL). The standard mainly involves the safety performance of electronic products, electromagnetic compatibility and environmental protection requirements, aimed to ensure that electronic products in the use process will not cause harm to personnel and the environment. The specific content of the  UL2743  certification 1. Electrical safety : The standard specifies the electrical safety requirements of the components in normal use and abnormal conditions, including the protection against electric shocks, electric fires and other electrical hazards. 2. Electromagnetic compatibility : The standard requires that the components will not cause interference to other electronic equipment and communication systems during normal operation, and should have certain anti-interference ability. 3. Power tra...

ASTM F963   i s formulated by the United States Department of Commerce presided over by the Bureau of Standards of the United States toy testing standards, toys exported to the United States must   pass   this certification. ASTM F963 Scope of application: 14-year-old children play products (the range of live toys plus: input voltage can not exceed 120V) specific products can be confirmed with us. At present, the latest version number is ASTM F963-16 / 17, has officially enforced ASTMF963 T oy S afety is the most important toy safety standard in the United States, but also in the international impact of a very large toy safety standard. This standard is a voluntary and non-mandatory standard. Although it is a voluntary standard, in business practice, toys that do not meet ASTMF963 cannot enter the US market. The standard provides technical requirements and testing methods for toys used by children under the age of 14. The standard concerns what the public may not easily ...

The purpose of the high and low temperature humidity and heat test is to comprehensively evaluate the performance stability and reliability of the product under different environmental conditions. 1. Simulation of extreme environment: By simulating the work situation of the product in high temperature, low temperature, humidity changes and other extreme environmental conditions, to predict the problems that the product may encounter in the actual use process. These extreme environments may include hot deserts, cold polar regions, wet tropical rain forests, etc. 2. Test performance changes: observe and record the performance changes of the product under different temperature and humidity conditions, including but not limited to electrical properties, mechanical properties, chemical properties, etc. These performance changes may be manifested as resistance changes, insulation failure, material aging, mechanical parts stuck or wear, etc. 3. Evaluation reliability: The long-term reli...

  The main uses of the cold and heat impact test box include: 1. Evaluate the durability and life of the product: to detect the performance and reliability of the product by simulating the use of the product in different environments. 2. Evaluate the temperature resistance and humidity resistance of the product: simulate the use of high temperature, low temperature, humidity and other different environments, to evaluate the temperature resistance, humidity resistance and other performance of the product. 3. Assess the physical phenomena of material thermal expansion and cold shrinkage, material expansion and shrinkage: simulate the performance of the material in the temperature change, so as to evaluate the performance and reliability of the material. 4. Assess the impact resistance of the product: simulate the use of the product in the extreme environment to evaluate the impact resistance of the product. Operation process: The operation process of the cold and hot shock test box u...

  High temperature test box is a kind of equipment used to simulate extreme high temperature environment and test the performance of materials or products. It has been widely used in aviation, automobile, home appliances, scientific research and other fields, and can test and determine the parameters and performance of electrical, electronic and other products and materials in high temperature or constant test temperature environment changes. The working principle of the high-temperature test box is based on the heat exchange principle. The equipment is equipped with electric heating elements, and by controlling the power of the heating element, the temperature in the box reaches the preset value. At the same time, the device is equipped with a temperature sensor to monitor the temperature in the box in real time and compare it with the set temperature. When the actual temperature is below the set temperature, the control system will increase the power of the heating element to inc...

  The purpose of lamp CE certification is to ensure that the products meet the safety, health, environmental protection and hygiene standards of the European market, which is the basic requirement for access to the EU market. CE certification facilitates the free circulation of products in the EU and enhances consumers' trust in the products. Lighting CE certification test items, mainly including EMC and LVD two parts . The significance of CE certification is to prove that the product has met the requirements of the relevant EU directive, which can reduce the risk of market supervision, customs detention or being charged by competitors.

  Cold and hot shock test chamber, also known as high and low temperature shock test chamber or temperature shock test machine, is a kind of test equipment specially used for testing electrical, electronic products, original devices and their materials in the environment of storage, transportation, use in the temperature of the adaptability of the test equipment. Its main function is to test the ability of the samples to tolerate temperature changes by conducting rapid cooling and heating in a predetermined temperature range. The working principle of the cold and hot shock test chamber is mainly based on the physical laws of heat conduction and heat exchange. By controlling high temperature and low temperature, the airflow circulation system is used to realize rapid temperature change. In the high temperature area, the temperature is increased by the heating element (such as heating resistance or heating wire), while in the low temperature area, the temperature is reduced to the de...

  Bluetooth BQB certification (Bluetooth Qualification Body) is a certification program established by the Bluetooth Technology Alliance to ensure that Bluetooth devices meet the established standards and specifications. Any device with Bluetooth function and a Bluetooth logo on the appearance of the product must pass this certification. Through BQB authentication, Bluetooth devices can ensure the smooth connection and communication with other Bluetooth devices, while ensuring the stability and reliability of the device. BQB certification mainly includes two types: finished product certification and module certification. Finished product certification is conducted for complete Bluetooth products, and the manufacturer needs to submit complete Bluetooth products for testing, including the product hardware, software, firmware, and any components related to the Bluetooth function. Module certification is conducted for the components embedded in other devices that provide Bluetooth func...

  Pet automatic feeders are exported to different countries and regions. Enterprises need to carefully understand the certification requirements and processes of the target market before exporting to ensure that the products can enter the market smoothly and meet the relevant regulations and standards. The details are as follows: 1. The United States: FCC certification. FCC certification is the certification requirement of the Federal Communications Commission for electronic and electrical products entering the U. S. market to ensure that the products do not interfere with the radio spectrum. In addition, some channels may also require additional environment-related certification, such as CEC or DOE. 2. Europe: CE certification. CE certification is a mandatory safety certification mark in the European market, indicating that the product meets the relevant directive and standards of the European Union. For the pet automatic feeders, CE certification usually needs to meet the require...

Wireless mouse refers to the mouse that is directly connected to the host without cable, using wireless technology to communicate with the computer, so as to reduce the bondage of wire. Usually uses wireless communication mode, including Bluetooth, Wi-Fi (IEEE 802.11), Infrared (IrDA), ZigBee (IEEE 802.15.4) and other wireless technology standards. With people's increasing requirements for office environment and operation convenience, the popularity of wireless mouse has also been mentioned on the agenda. FCC Certified Product Type: (1) FCC VOC: Ordinary electronic products, such as power supply, home appliances, (2) FCC DOC: Computer peripheral products, such as computer, keyboard, printer (3) FCC ID: wireless products, such as bluetooth products, tablet, wireless keyboard, wireless mouse, wireless reader, wireless transceiver, wireless intercom, wireless microphone, remote control, wireless network device, wireless image transmission system and other low-power wireless products, ...

  Information technology equipment (ITE) and audio and video (AV) products are changing rapidly. In order to ensure the legal sale of these products in the European market, manufacturers must follow the strict CE certification process. This process involves not only CE- L VD, CE-EMC, but also CE-RED. Scope of EN 62368: computer, printer, network equipment, TV, sound system, headsets and other information technology equipment and audio and video equipment. T ests   of EN 62368   Main ly   include: electrical safety, mechanical safety, thermal safety, radiation and electromagnetic compatibility, and requirements for labels and instructions.

IP0X: completely no dust protection; IP1X: can protect foreign objects with diameter greater than 50 ㎜ from falling into the equipment; IP2X: can protect foreign objects with diameter greater than 12.5 ㎜ from falling into the equipment; IP3X: can protect foreign objects larger than 2.5 ㎜ from falling into the equipment; IP4X: can protect foreign objects larger than 1.00 ㎜ from falling into the equipment; IP5X: can not completely prevent the dust from entering, but the amount of dust entering shall not affect the normal operation of the equipment, shall not affect the safety; IP6X: Complete dustproof.

Ensure the stability and reliability of the product in different environments 1. Evaluation of dust-proof performance: The dust-proof test can simulate the environment with more dust, and evaluate the working ability and durability of the product in this environment. This is particularly important for portable outdoor electronic products, automotive electronics, because they are likely to encounter sandstorm, dust and other harsh conditions in the process of use. 2. Improve product competitiveness: Through the dust-proof test, the product can prove that it has the ability to operate stably in various environments, which helps to improve the market competitiveness of the product. In today's fierce market competition, the reliability and durability of products has become one of the key factors to attract customers. Ensure product security and user experience 1. Prevent potential safety risks: dust may block the heat dissipation hole of the equipment, resulting in overheating of the e...

  Product waterproof testing is an important link in the process of product development and quality control, and its necessity is mainly reflected in the following aspects: 1. Guarantee product quality: Waterproof test is to evaluate the performance of the product in specific environmental conditions (such as moisture, underwater, etc.), to ensure that the product can work as expected without water intrusion. Through testing, defects in design and manufacturing can be identified and solved early to improve the overall quality and reliability of products. 2. In line with industry standards and regulations: many industries, especially consumer electronics, outdoor products, automobiles, medical equipment, etc., have strict waterproof grade standards (such as IP grade). Products must meet these standards before they can be marketed. Waterproof testing is an important means to verify that the product meets these standards. 3. Enhance market competitiveness: In the highly competitive ma...