Computer

How can GTG assist you with the tests on computer?

(1) Electrical safety test

• Insulation resistance test: this test measures the resistance between the live parts of the computer and its external accessible parts. It ensures that there is sufficient insulation to prevent electric shock hazards.

• Earth continuity test: the test checks the integrity of the grounding connection in the computer. It verifies that the electrical grounding system is properly established, reducing the risk of electric shock.

• Dielectric voltage-withstand test: also known as the high-potential (hipot) test, this test checks the ability of the computer’s electrical insulation to withstand high voltages. It ensures that there are no breakdowns or leakage currents that could lead to electrical hazards.

• Leakage current test: this test measures the amount of current that leaks from the computer’s electrical components to the ground. It ensures that the leakage current is within safe limits to prevent electric shock hazards.

• Overcurrent protection test: this test verifies the effectiveness of the computer’s overcurrent protection devices, such as fuses or circuit breakers. It ensures that the computer can handle excessive currents without posing a fire or electrical hazard.

• Ground bond test: the test checks the integrity of the grounding connection in the computer’s power supply. It ensures that the grounding path can handle fault currents and provides protection against electric shock.

(2) EMC test

• Radiated emissions test: the test is conducted to determine the amount of electromagnetic radiation that a computer emits. The test involves placing the computer in a shielded chamber and measuring the electromagnetic field around it using a spectrum analyzer. The test ensures that the computer does not emit excessive electromagnetic radiation that may interfere with other electronic devices.

• Conducted emissions test: the test determines the amount of electromagnetic energy that a computer transfers through its power cables to other electronic devices. The test involves measuring the electromagnetic energy on the power cables of the computer using a spectrum analyzer. It ensures that the computer does not transfer excessive electromagnetic energy that may interfere with other electronic devices.

• Electrostatic discharge (ESD) test: the test simulates the effects of electrostatic discharge on a computer. The test involves applying electrostatic discharge to the computer and measuring its response. The test ensures that the computer can withstand electrostatic discharge without malfunctioning.

• Radiated immunity test: the test determines the ability of a computer to operate efficiently in an electromagnetic environment without being affected by external electromagnetic radiation. The test involves exposing the computer to a controlled electromagnetic field and measuring its response. The test ensures that the computer can operate efficiently without being affected by external electromagnetic radiation.

• Conducted immunity test: the test determines the ability of a computer to operate efficiently in an electromagnetic environment without being affected by electromagnetic energy transferred through its power cables. The test involves exposing the computer to a controlled electromagnetic field through its power cables and measuring its response. The test ensures that the computer can operate efficiently without being affected by electromagnetic energy transferred through its power cables.

• Magnetic field immunity test: the test determines the ability of a computer to operate efficiently in a magnetic field without being affected by it. The test involves exposing the computer to a controlled magnetic field and measuring its response. The test ensures that the computer can operate efficiently in a magnetic field without being affected by it.

• Voltage dips and interruptions test: the test determines the ability of a computer to operate efficiently in an environment with voltage dips and interruptions. The test involves simulating voltage dips and interruptions on the power supply of the computer and measuring its response. The test ensures that the computer can operate efficiently in an environment with voltage dips and interruptions.

• Surge test: the test determines the ability of a computer to withstand power surges. The test involves subjecting the computer to power surges and measuring its response. The test ensures that the computer can withstand power surges without malfunctioning.

• Harmonics and flicker test: the test determines the ability of a computer to operate efficiently in an environment with harmonics and flicker. The test involves simulating harmonics and flicker on the power supply of the computer and measuring its response. The test ensures that the computer can operate efficiently in an environment with harmonics and flicker.

• Voltage fluctuations test: the test determines the ability of a computer to operate efficiently in an environment with voltage fluctuations. The test involves simulating voltage fluctuations on the power supply of the computer and measuring its response. The test ensures that the computer can operate efficiently in an environment with voltage fluctuations.

• Power frequency magnetic field test: the test determines the ability of a computer to operate efficiently in a power frequency magnetic field. The test involves exposing the computer to a power frequency magnetic field and measuring its response. The test ensures that the computer can operate efficiently in a power frequency magnetic field.

• Voltage variation test: the test determines the ability of a computer to operate efficiently in an environment with voltage variations. The test involves simulating voltage variations on the power supply of the computer and measuring its response. The test ensures that the computer can operate efficiently in an environment with voltage variations.

(3) Mechanical tests

• Drop test: this test involves dropping the computer from a specific height onto a hard surface to simulate accidental drops. The purpose of this test is to ensure that the computer can withstand the impact of a fall without suffering any damage to its internal components.

• Vibration test: this test involves subjecting the computer to a series of vibrations at various frequencies to simulate the effects of transportation and shipping. The purpose of this test is to ensure that the computer can withstand the rigors of being shipped and transported without suffering any damage to its internal components.

• Shock test: this test involves subjecting the computer to sudden shocks and impacts to simulate the effects of accidental drops or impacts. The purpose of this test is to ensure that the computer can withstand sudden shocks and impacts without suffering any damage to its internal components.

(4) Environmental tests

• Thermal test: this test involves subjecting the computer to extreme temperatures to ensure that it can withstand the heat generated by its internal components. This is important for ensuring that the computer can operate reliably under high-stress conditions, such as when running resource-intensive applications or performing demanding tasks.

• Humidity test: this test involves subjecting the computer to high levels of humidity to ensure that it can withstand the effects of moisture on its internal components. This is important for ensuring that the computer can operate reliably in environments with high levels of humidity, such as tropical regions or areas with high levels of rainfall.

• Pressure test: this test involves subjecting the computer to high levels of pressure to ensure that it can withstand the weight of heavy objects or being compressed in tight spaces. This is important for ensuring that the computer can operate reliably in environments where it may be subjected to high levels of pressure, such as when being transported in a tightly packed suitcase or backpack.

• Dust test: this test involves subjecting the computer to high levels of dust to ensure that it can operate reliably in dusty environments, such as construction sites or manufacturing plants. This is important for ensuring that the computer can continue to function properly even when exposed to high levels of dust or other particulate matter.

• Water resistance test: this test involves subjecting the computer to water to simulate accidental spills or exposure to rain. The purpose of this test is to ensure that the computer can withstand exposure to water without suffering any damage to its internal components.

How can GTG assist you with the certifications or markings for computer?

(1) CE certification

The CE certification is a mandatory certification for products sold within the European Union (EU). This certification ensures that the product meets the health, safety, and environmental protection standards set by the EU. The CE certification is not only for computers but for all goods sold within the EU, including electrical appliances, toys, and medical devices.

(2) FCC certification

The FCC (Federal Communications Commission) certification is a mandatory certification for products sold in the United States that use radio frequency (RF) devices. The FCC certification ensures that the product meets the standards set by the FCC for electromagnetic interference (EMI) and radiofrequency interference (RFI).

(3) UL certification

The UL (Underwriters Laboratories) certification is a voluntary certification that ensures the safety and quality of products. UL certification is recognized globally and covers a broad range of product categories, including computers and other electronic devices.

(4) CCC certification

The CCC certification on a computer refers to the China Compulsory Certification. It is a mandatory certification mark required for certain products to be sold in the Chinese market. The CCC mark ensures that the product meets the safety and quality standards set by the Chinese government.

The CCC certification for computers involves testing and evaluation of various aspects, including electrical safety, electromagnetic compatibility (EMC), and environmental protection.

(5) Energy Star certification

The Energy Star certification is a voluntary certification that evaluates the energy efficiency of electronic products, including computers. The Energy Star certification ensures that the product meets energy efficiency standards set by the US Environmental Protection Agency (EPA).

(6) RoHS certification

The RoHS (Restriction of Hazardous Substances) certification is a mandatory certification for products sold in the EU that restricts the use of specific hazardous materials, such as lead, mercury, cadmium, and hexavalent chromium. The RoHS certification ensures that the product is safe for the environment and human health.

(7) IEC certification

The IEC (International Electrotechnical Commission) certification is a voluntary certification that ensures the safety and quality of electrical and electronic products. The IEC certification covers a broad range of industries, including computers and electronics.

(8) CSA certification

The CSA (Canadian Standards Association) certification is a voluntary certification that ensures the safety and quality of products sold in Canada. The CSA certification covers a broad range of product categories, including computers and electronics.

(9) GS mark

The “GS” mark on a computer refers to the “Geprüfte Sicherheit” (German for “Tested Safety”) certification. It is a safety certification mark commonly used in Germany and some other European countries. The “GS” mark signifies that the product has undergone rigorous testing to ensure its electrical safety. This includes assessments of electrical components, insulation, grounding, and protection against electrical hazards.

(10) VCCI certification

VCCI stands for the Voluntary Control Council for Interference by Information Technology Equipment. It is a certification mark commonly used in Japan. The VCCI certification involves testing the computer for its electromagnetic emissions and susceptibility to interference. It ensures that the computer meets the necessary standards to minimize electromagnetic interference and maintain compatibility with other devices in its operating environment.

(11) 80 PLUS certification

The 80 PLUS certification is a voluntary energy efficiency certification program for computer power supply units (PSUs). It sets standards for PSU efficiency and encourages manufacturers to produce more energy-efficient power supplies. The certification is based on the efficiency of the PSU at different load levels, measured as a percentage of electrical power drawn from the wall outlet that is converted into usable DC power for the computer components.

The 80 PLUS certification has different levels, such as 80 PLUS, 80 PLUS Bronze, 80 PLUS Silver, 80 PLUS Gold, 80 PLUS Platinum, and 80 PLUS Titanium. These levels represent increasing levels of energy efficiency, with Titanium being the highest.

(12) GOST certification

The GOST (Gosudarstvennyy Standart) certification is a mandatory certification for products sold in Russia. The GOST certification ensures that the product meets specific safety and quality standards set by the Russian government.

(13) TCO certification

The TCO (Tjänstemännens Centralorganisation) certification is a Swedish eco-label. It is a voluntary certification that evaluates the ergonomics and environmental impact of electronic products, including computers. The TCO certification ensures that the product meets specific standards for ergonomics, energy efficiency, and environmental impact.

(14) EPEAT certification

The EPEAT (Electronic Product Environmental Assessment Tool) certification is a voluntary certification that evaluates the environmental impact of electronic products, including computers. This certification considers factors such as energy efficiency, recyclability, and the use of hazardous materials.

Why the biggest brands trust GTG Group?

GTG Group (Global Testing Group) is a certification company that offers testing and certification services to different industries. Our expertise in computer testing and certification has made us a trusted name in the industry.

(1) Independent and impartial testing

GTG Group is a third-party testing company, which means we are not affiliated with any specific manufacturer. This impartiality can provide camera manufacturers and consumers with confidence in the accuracy and reliability of the testing process, and ensure that the camera meets the required standards.

(2) Confidentiality and security

GTG Group understands the importance of confidentiality and security when it comes to testing and certification. We ensure that our clients’ data and information are kept confidential and secure at all times. This ensures that our clients’ intellectual property and trade secrets are protected.

Contact GTG Group today for computer testing and certification to avoid any legal issues that may arise from using a faulty adapter.