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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 Group experts.

LED grow lights are specialized lighting systems that are used to provide the right spectrum and intensity of light to indoor plants. They are designed to mimic the natural sunlight that plants require to grow and thrive.

How can GTG assist you with the tests on LED grow light?

(1) Electrical safety test

  • Dielectric strength test: the dielectric strength test is a critical test for LED grow light. This test checks the insulation between the high voltage and low voltage components of the light. The test involves applying a high voltage to the light to see if the insulation can withstand it. If the insulation fails, it can result in electric shock or fire.
  • Ground continuity test: the ground continuity test is carried out to ensure that the ground connection of the LED grow light is intact. The test involves running a current through the ground wire to check if it is continuous. A break in the ground wire can result in electric shock or fire.
  • Insulation resistance test: the insulation resistance test is carried out to ensure that there is no leakage of current between the high voltage and low voltage components of the LED grow light. The test involves measuring the resistance between the high voltage and low voltage components of the light. A leakage of current can result in electric shock or fire.

(2) Photometric test

  • Spectral quality test: This test measures the wavelengths of light produced by the LED grow light. The spectral quality test determines the spectrum of light that is optimal for plant growth. It helps to ensure that the light produced by the LED grow light is of high quality and suitable for plant growth.
  • PAR test: PAR stands for Photosynthetically Active Radiation. This test measures the amount of light that is available for photosynthesis. The PAR test ensures that the LED grow light produces enough light for the plants to undergo photosynthesis.
  • PPFD test: PPFD stands for Photosynthetic Photon Flux Density. This test measures the amount of light that reaches a specific point in the growing area. The PPFD test ensures that the LED grow light produces enough light for the plants to grow properly.
  • PPF test: PPF stands for Photosynthetic Photon Flux. This test measures the total amount of light produced by the LED grow light. The PPF test ensures that the LED grow light produces enough light for the plants to grow effectively.
  • CRI test: CRI stands for Color Rendering Index. This test measures the ability of the LED grow light to render colors accurately. The CRI test ensures that the LED grow light produces light that is suitable for plant growth.
  • CCT test: CCT stands for Correlated Color Temperature. This test measures the color temperature of the light produced by the LED grow light. The CCT test ensures that the LED grow light produces light that is suitable for plant growth.

(3) Photobiological safety test

  • Spectral irradiance measurements: spectral irradiance measurements are used to measure the amount of light emitted by a particular light source at different wavelengths. This test is important because different wavelengths of light can have different effects on human health. For example, blue light can cause damage to the retina, while UV light can cause skin damage and increase the risk of skin cancer.
  • Radiant flux measurements: radiant flux measurements are used to measure the total amount of light emitted by a particular light source. This test is important because high levels of light can cause damage to human eyes and skin. Radiant flux measurements are used to determine the maximum safe exposure time for a particular light source.
  • Blue light hazard measurements: blue light hazard measurements are used to evaluate the potential harm that blue light can cause to human eyes. This test measures the amount of blue light emitted by a particular light source and determines its potential to cause damage to the retina.
  • UV radiation measurements: UV radiation measurements are used to evaluate the potential harm that UV radiation can cause to human skin. This test measures the amount of UV radiation emitted by a particular light source and determines its potential to cause skin damage and increase the risk of skin cancer.
  • Thermal imaging: thermal imaging is used to evaluate the potential for LED grow light to produce excessive heat. This test measures the temperature of the light source and its surrounding environment to determine if it produces excessive heat that could cause harm to human health.
  • Flicker measurements: flicker measurements are used to evaluate the potential for LED grow light to produce flicker. Flicker is a rapid fluctuation in light intensity that can cause headaches, eye strain, and other health problems. This test measures the amount of flicker produced by a particular light source and determines its potential to cause harm to human health.

(4) EMC test

  • Radiated emissions test: this test measures the amount of electromagnetic radiation that the LED grow light produces. The test is conducted in an anechoic chamber, and the LED grow light is placed on a turntable. The test measures the radiation that is produced in all directions.
  • Conducted emissions test: this test measures the amount of electromagnetic radiation that is conducted through the LED grow light’s power cord. The test is conducted in a shielded room, and the LED grow light is connected to a power source. The test measures the amount of conducted radiation that is produced.
  • Radiated immunity test: this test measures the LED grow light’s ability to withstand electromagnetic radiation from other sources. The test is conducted in an anechoic chamber, and the LED grow light is exposed to electromagnetic radiation from various sources. The test measures the LED grow light’s ability to continue functioning despite the radiation exposure.
  • Conducted immunity test: this test measures the LED grow light’s ability to withstand electromagnetic radiation that is conducted through the power cord. The test is conducted in a shielded room, and the LED grow light is connected to a power source. The test measures the LED grow light’s ability to continue functioning despite the conducted radiation exposure.
  • Electrostatic discharge (ESD) test: this test measures the LED grow light’s ability to withstand electrostatic discharge. The test is conducted in a controlled environment, and the LED grow light is exposed to various levels of electrostatic discharge. The test measures the LED grow light’s ability to continue functioning despite the electrostatic discharge exposure.
  • Electrical fast transient/burst (EFT/B) test: this test measures the LED grow light’s ability to withstand electrical fast transients and bursts. The test is conducted in a controlled environment, and the LED grow light is exposed to various levels of electrical fast transients and bursts. The test measures the LED grow light’s ability to continue functioning despite the exposure.
  • Surge test: this test measures the LED grow light’s ability to withstand surges in power. The test is conducted in a controlled environment, and the LED grow light is exposed to various levels of surges. The test measures the LED grow light’s ability to continue functioning despite the exposure.
  • Voltage dips and interruptions test: this test measures the LED grow light’s ability to withstand voltage dips and interruptions. The test is conducted in a controlled environment, and the LED grow light is exposed to various levels of voltage dips and interruptions. The test measures the LED grow light’s ability to continue functioning despite the exposure.
  • Power frequency magnetic field immunity test: this test measures the LED grow light’s ability to withstand power frequency magnetic fields. The test is conducted in a controlled environment, and the LED grow light is exposed to various levels of power frequency magnetic fields. The test measures the LED grow light’s ability to continue functioning despite the exposure.
  • Voltage fluctuations and flicker test: this test measures the LED grow light’s ability to withstand voltage fluctuations and flicker. The test is conducted in a controlled environment, and the LED grow light is exposed to various levels of voltage fluctuations and flicker. The test measures the LED grow light’s ability to continue functioning despite the exposure.
  • Harmonic current emissions test: this test measures the amount of harmonic currents that the LED grow light produces. The test is conducted in a controlled environment, and the LED grow light is connected to a power source. The test measures the amount of harmonic currents that are produced.
  • Voltage fluctuations and flicker immunity test: this test measures the LED grow light’s ability to withstand voltage fluctuations and flicker. The test is conducted in a controlled environment, and the LED grow light is exposed to various levels of voltage fluctuations and flicker. The test measures the LED grow light’s ability to continue functioning despite the exposure.

(5) Mechanical tests

  • Vibration test: LED grow light may be subjected to vibration during shipping or installation. Vibration test ensures that the light fixtures can withstand these conditions without loosening connections or damaging internal components.
  • Drop test: drop test evaluates the ruggedness of LED grow light by subjecting them to controlled drops from specified heights. This test assesses whether the lights can endure accidental impacts without sustaining damage.
  • Temperature cycling test: temperature cycling tests involve subjecting LED grow light to extreme temperature changes to simulate real-world environmental conditions. This test ensures that the lights can function reliably in different temperature ranges without degradation or failure.
  • Mechanical strength test: this test assesses the structural integrity of LED grow light housings and mounting hardware. It ensures that the fixtures can withstand mechanical stresses such as bending, torsion, and compression without breaking or deforming.

(6) Environmental test

  • Salt spray test: this test evaluates the corrosion resistance of the materials used in LED grow light when exposed to salt spray or salt fog. It helps determine the LED grow lights’ suitability for use in coastal or marine environments. Salt spray test is typically performed according to ASTM B117 or ISO 9227 standards.
  • Water resistance test: LED grow light may undergo water resistance test to verify their ingress protection (IP) rating. This ensures that the LED grow light are adequately sealed against dust and moisture, making them suitable for use in indoor or outdoor growing environments. Water resistance test standards include IEC 60529.

How can GTG assist you with the certifications or markings for LED grow light?

(1) CE marking

CE (Conformité Européenne) marking indicates that a product complies with EU safety, health, and environmental requirements. It’s a mandatory certification for products sold within the European Economic Area (EEA).

(2) RoHS compliance

RoHS (Restriction of Hazardous Substances) compliance specifies limits for specific hazardous materials found in electrical and electronic products, including lead, mercury, and cadmium. RoHS compliance is necessary for CE marking.

(3) UL listing

A safety certification given by UL (Underwriters Laboratories) LLC, indicating that the product has been tested and meets specific safety standards. It’s widely recognized in the US and Canada.

(4) ETL listed mark

Similar to UL, the ETL (Electrical Testing Laboratories) mark indicates that a product complies with North American safety standards. It’s an alternative to UL listing and equally recognized in the US and Canada.

(5) FCC certification

FCC (Federal Communications Commission) certification certifies that the electromagnetic interference from the device is under limits approved by the Federal Communications Commission. It’s a requirement for electronic products manufactured or sold in the US.

(6) Energy Star certification

Though not exclusive to LED grow light, products that earn the Energy Star label meet strict energy efficiency guidelines set by the U.S. Environmental Protection Agency.

(7) PSE mark

PSE (Product Safety Electrical Appliance & Material) mark indicates compliance with Japanese safety regulations for electrical appliances. It’s mandatory for a wide range of electrical products sold in Japan.

(8) CCC mark

CCC (China Compulsory Certificate) mark is a safety and quality mark for products sold within China. It covers a wide range of products, including electrical and electronic items.

(9) SAA mark

SAA (Standards Australia) mark Certifies that the product meets Australian national standards for safety and performance. It’s widely recognized in Australia and New Zealand.

(10) KC mark

KC (Korea Certification) mark indicates compliance with Korean safety standards and requirements. It’s mandatory for products in various categories, including electrical and electronic items.

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 LED grow lights 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 LED grow lights testing and certification to avoid any legal issues that may arise from using a faulty LED grow light.

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