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As the rules change or new procedures are developed, please note that these interpretation and/or guidance may not apply; you should always refer to the latest rules and guidance documents to determine what equipment authorization procedures should be followed. For the latest guidance on specific topics or you don't know where to start, please feel free to contact GTG experts.

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How can GTG assist you with the tests on industrial power supply?

As GTG Group’s strategy updates, some of the below listed test items may no longer be available, please contact us for the latest information.

(1) Electrical safety test

  • Insulation resistance test: the test is conducted to check the insulation resistance of the electrical equipment or power supply. This test is critical because it ensures that the insulation is intact and can withstand the voltage. The test measures the resistance between the live parts and the ground. If the insulation resistance is low, it can result in a short circuit or electrical shock.
  • Earth continuity test: the test is conducted to check the continuity of the earth connection. The test measures the resistance between the earth pin and the electrical equipment. This test ensures that the electrical equipment is properly grounded and that the current flows through the earth wire in the event of a fault.
  • Leakage current test: the test is conducted to check for any leakage of current from the electrical equipment. The test measures the current flowing through the insulation of the equipment. If there is any leakage of current, it can result in an electric shock or even a fire.
  • High voltage test: the test is conducted to check the insulation strength of the electrical equipment. The test applies a high voltage to the equipment to test its ability to withstand high voltages. This test ensures that the equipment can withstand high voltage and does not break down.
  • Ground resistance test: the test is conducted to check the resistance of the ground connection. This test ensures that the ground connection is proper and that the current flows through the earth wire in the event of a fault.
  • Dielectric strength test: the test is conducted to check the ability of the insulation to resist electric stress. The test applies a high voltage to the equipment to test its ability to withstand high voltages. This test ensures that the equipment can withstand high voltage and does not break down.
  • Thermal imaging test: the test is conducted to check for any hotspots in the electrical equipment. The test uses a thermal imaging camera to detect any hotspots. The test ensures that the electrical equipment does not overheat and that it functions correctly.
  • Voltage drop test: the test is conducted to check for any voltage drop in the electrical equipment. The test measures the voltage at different points in the equipment to identify any voltage drop. If there is any voltage drop, it can result in the equipment not functioning correctly.
  • Power factor test: the test is conducted to check the efficiency of the electrical equipment. The test measures the power factor of the equipment. This test ensures that the equipment is working efficiently and does not waste energy.
  • Earth leakage test: the test is conducted to check for any leakage of current from the earth wire. The test measures the current flowing through the earth wire. If there is any leakage of current, it can result in an electric shock or even a fire.
  • Load test: the test is conducted to check the capacity of the electrical equipment. The test applies a load to the equipment to test its capacity. This test ensures that the equipment can handle the load and does not break down.
  • Short circuit test: the test is conducted to check the ability of the electrical equipment to withstand a short circuit. The test applies a short circuit to the equipment to test its ability to withstand a short circuit. This test ensures that the equipment can withstand a short circuit and does not break down.

(2) EMC test

EMI/EMC testing is performed to determine how the equipment will perform when exposed to electromagnetic interference (EMI) and electromagnetic compatibility (EMC). The equipment is exposed to various sources of EMI and EMC to simulate the conditions it may face in the real world. This test is important because it can help identify any weaknesses in the equipment’s design that may cause it to malfunction when exposed to EMI or EMC.

  • Radiated emissions test: the test is designed to measure the amount of electromagnetic energy that a device emits into the surrounding environment. This test is carried out by placing the device in a test chamber and measuring the radiated emissions using a spectrum analyzer. The emissions are measured across a range of frequencies, and the results are compared to the limits set by the relevant standards.
  • Conducted emissions test: the test is carried out to measure the amount of electromagnetic energy that a device emits through its power supply lines. This test is carried out by injecting a signal into the power supply lines and measuring the emissions using a spectrum analyzer. The results are then compared to the limits set by the relevant standards.
  • Radiated immunity test: the test is designed to measure the ability of a device to withstand electromagnetic energy that is present in the environment. This test is carried out by exposing the device to a range of frequencies and power levels that are representative of the environment in which the device will be used. The device’s performance is then monitored to ensure that it continues to function correctly.
  • Conducted immunity test: the test is designed to measure the ability of a device to withstand electromagnetic energy that is present on its power supply lines. This test is carried out by injecting a signal into the power supply lines and monitoring the device’s performance. The signal is varied in frequency and power level to ensure that the device can withstand a range of different levels of interference.
  • Electrostatic discharge (ESD) test: the test is designed to simulate the discharge of static electricity that can occur when a person touches a device. This test is carried out by applying a high voltage discharge to the device and monitoring its performance. The test is carried out using a range of different voltages and discharge times to ensure that the device can withstand a range of different ESD events.
  • Electromagnetic field (EMF) test: the test is designed to measure the strength of the magnetic field that is emitted by a device. This test is carried out by placing the device in a test chamber and measuring the magnetic field using a Gaussmeter. The results are compared to the limits set by the relevant standards.
  • Voltage dips and interruptions test: the test is designed to simulate the variations in voltage that can occur in the power supply line. This test is carried out by varying the voltage and monitoring the device’s performance. The test is carried out using a range of different voltage levels and durations to ensure that the device can withstand a range of different voltage variations.
  • Surge test: the test is designed to simulate the high voltage spikes that can occur in the power supply line. This test is carried out by applying a high voltage surge to the device and monitoring its performance. The test is carried out using a range of different voltage levels and durations to ensure that the device can withstand a range of different surge events.
  • Magnetic field immunity test: the test is designed to measure the ability of a device to withstand the magnetic fields that are present in its environment. This test is carried out by exposing the device to a range of different magnetic fields and monitoring its performance. The test is carried out using a range of different field strengths and frequencies to ensure that the device can withstand a range of different field conditions.
  • Voltage fluctuation test: the test is designed to simulate the variations in voltage that can occur in the power supply line. This test is carried out by varying the voltage and monitoring the device’s performance. The test is carried out using a range of different voltage levels and durations to ensure that the device can withstand a range of different voltage fluctuations.
  • Harmonic distortion test: the test is designed to measure the amount of distortion that a device introduces into the power supply line. This test is carried out by injecting a signal into the power supply line and measuring the distortion using a spectrum analyzer. The results are compared to the limits set by the relevant standards.
  • Flicker test: the test is designed to measure the amount of flicker that a device introduces into the power supply line. This test is carried out by varying the voltage and monitoring the device’s performance. The results are compared to the limits set by the relevant standards.

(3) Mechanical tests

  • Shock and vibration test: one of the most common mechanical tests performed on industry power supply units is shock and vibration testing. This test involves exposing the equipment to various levels of vibration and shock to simulate the conditions it may experience during normal use. The goal is to determine if the equipment can withstand these conditions without malfunctioning or breaking.
  • Drop test: the test involves dropping the equipment from a specified height to simulate accidental drops or falls. This test is important because it can help identify any weaknesses in the equipment’s design that may cause it to break or malfunction if dropped.
  • Torsion test: the test is performed to determine how well the equipment will perform when subjected to twisting forces. The equipment is subjected to various levels of twisting forces to simulate the conditions it may face in the real world. This test is important because it can help identify any weaknesses in the equipment’s design that may cause it to malfunction when subjected to twisting forces.
  • Compression test: the test is performed to determine how well the equipment will perform when subjected to compressive forces. The equipment is subjected to various levels of compressive forces to simulate the conditions it may face in the real world. This test is important because it can help identify any weaknesses in the equipment’s design that may cause it to malfunction when subjected to compressive forces.
  • Bend test: the test is performed to determine how well the equipment will perform when subjected to bending forces. The equipment is subjected to various levels of bending forces to simulate the conditions it may face in the real world. This test is important because it can help identify any weaknesses in the equipment’s design that may cause it to malfunction when subjected to bending forces.
  • Fatigue test: the test is performed to determine how well the equipment will perform when subjected to repeated stress cycles. The equipment is subjected to repeated stress cycles to simulate the conditions it may face in the real world. This test is important because it can help identify any weaknesses in the equipment’s design that may cause it to fail when subjected to repeated stress cycles.

(4) Environmental tests

  • Thermal cycling test: the test is performed to determine how the equipment will perform when exposed to extreme temperatures. The equipment is subjected to cycles of high and low temperatures to simulate the conditions it may face in the real world. This test is important because it can help identify any weaknesses in the equipment’s design that may cause it to fail when exposed to extreme temperatures.
  • Humidity test: the test is performed to determine how the equipment will perform when exposed to high levels of humidity. The equipment is placed in a humidity chamber and exposed to high levels of humidity to simulate the conditions it may face in the real world. This test is important because it can help identify any weaknesses in the equipment’s design that may cause it to malfunction when exposed to high levels of humidity.
  • Salt spray test: the test is performed to determine how the equipment will perform when exposed to saltwater. The equipment is exposed to a saltwater spray to simulate the conditions it may face in the real world. This test is important because it can help identify any weaknesses in the equipment’s design that may cause it to fail when exposed to saltwater.
  • Altitude test: the test is performed to determine how the equipment will perform at high altitudes. The equipment is placed in a low-pressure chamber to simulate the conditions it may face at high altitudes. This test is important because it can help identify any weaknesses in the equipment’s design that may cause it to malfunction at high altitudes.
  • Ingress protection test: the test is performed to determine how well the equipment will perform when exposed to dust, dirt, and water. The equipment is exposed to various levels of dust, dirt, and water to simulate the conditions it may face in the real world. This test is important because it can help identify any weaknesses in the equipment’s design that may cause it to malfunction when exposed to these elements.
Got questions on industrial power supply tests? We are always here to help, just ask!

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How can GTG assist you with the certifications or markings for industrial power supply?

As GTG Group’s strategy updates, some of the below listed certifications or markings may no longer be available, please contact us for the latest information.

(1) UL certification

UL (Underwriters Laboratories) is a global safety certification organization that provides testing, inspection, and certification solutions for a wide range of products, including industrial power supplys. The UL certification ensures that the industrial power supply meets the safety standards for electric shock, fire, and other hazards.

(2) CE marking

CE Marking is a mandatory certification for electrical and electronic equipment sold within the European Union (EU) and European Economic Area (EEA). It indicates that the product conforms to the health, safety, and environmental requirements set by the European Union.

(3) RoHS compliance

RoHS (Restriction of Hazardous Substances) is a certification that restricts the use of six hazardous materials in the production of electrical and electronic equipment. The certification ensures that the industrial power supply does not contain lead, mercury, cadmium, hexavalent chromium, polybrominated biphenyls, and polybrominated diphenyl ethers.

(4) FCC certification

FCC (Federal Communications Commission) certification is mandatory for electrical and electronic equipment sold in the United States. The certification ensures that the industrial power supply meets the electromagnetic interference (EMI) standards set by the FCC.

(5) IEC certification

IEC (International Electrotechnical Commission) certification is a global standard for electrical and electronic equipment. The certification ensures that the industrial power supply meets the safety and quality standards set by the organization.

(6) CSA certification

CSA (Canadian Standards Association) certification is a mandatory certification for electrical and electronic equipment sold in Canada. The certification ensures that the industrial power supply meets the safety and quality standards set by the organization.

(7) TUV certification

TUV (Technischer Überwachungsverein) certification is a German certification organization that provides safety and quality certifications for electrical and electronic equipment. The certification ensures that the industrial power supply meets the safety and quality standards set by the organization.

(8) ETL certification

ETL (Electrical Testing Laboratories) certification is a North American certification organization that provides safety and quality certifications for electrical and electronic equipment. The certification ensures that the industrial power supply meets the safety and quality standards set by the organization.

(9) CUL certification

CUL (Canadian Underwriters Laboratories) certification is a Canadian certification organization that provides safety and quality certifications for electrical and electronic equipment. The certification ensures that the industrial power supply meets the safety and quality standards set by the organization.

(10) CCC certification

CCC (China Compulsory Certification) certification is a mandatory certification for electrical and electronic equipment sold in China. The certification ensures that the industrial power supply meets the safety and quality standards set by the organization.

(11) PSE certification

PSE (Product Safety Electrical Appliance & Material) certification is a mandatory certification for electrical and electronic equipment sold in Japan. The certification ensures that the industrial power supply meets the safety and quality standards set by the organization.

(12) Energy Star certification

The Energy Star certification ensures that the power supply meets energy efficiency standards. The certification is voluntary and is issued by the U.S. Environmental Protection Agency (EPA).

(13) ISTA certification

The ISTA (International Safe Transit Association) certification ensures that the equipment can withstand various environmental conditions during transportation. It is especially important for power supply equipment that is transported over long distances.

(14) NEMA certification

The NEMA (National Electrical Manufacturers Association) is a certification organization that provides testing and certification for various electrical products, including power supply equipment. The NEMA certification ensures that the equipment meets safety and performance standards.

(15) TCB certification

The TCB (Telecommunication Certification Body) certification is mandatory for power supply equipment that is used in telecommunication systems. It ensures that the equipment meets safety and performance standards.

(16) IAF certification

The IAF (International Accreditation Forum) provides accreditation for certification bodies that provide testing and certification for various industries, including power supply equipment. The IAF accreditation ensures that the certification bodies meet international standards.

(17) OSHA certification

The OSHA (Occupational Safety and Health Administration) certification ensures that the equipment meets safety standards for workers in industrial settings. It is mandatory for all industrial power supply equipment sold in the United States.

Got questions on industrial power supply certification? We are always here to help, just ask!

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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 industrial power supply 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 industrial power supply testing and certification to avoid any legal issues that may arise from using a faulty industrial power supply.

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