Photometry Testing Kanpur Nagar

Photometry Testing Kanpur Nagar

Photometry Testing Kanpur Nagar

Electronic Load AC DC

LM-79 Photometric Testing is used to measure the optical and electrical performance of LED lamps and lighting fixtures under standardized laboratory conditions. At KC India Test Laboratories LLP, we provide accurate and standards-compliant LM-79 testing services to evaluate the performance of solid-state lighting products. LM-79 is a widely recognized standard that specifies how the performance of an LED lamp or fixture should be measured. The test is performed at a specific point in time and at a controlled temperature, providing reliable data about the lighting output and electrical characteristics of the device under test (DUT).

What LM-79 Testing Defines?

LM-79 testing defines the standardized procedure for measuring the photometric and electrical properties of LED lighting products such as lamps, luminaires, and integrated lighting systems. The latest version of this standard is known as “IES LM-79-19 Approved Method: Optical and Electrical Measurements of Solid State Lighting Products.” This standard specifies the methods used to measure parameters such as luminous flux, luminous intensity distribution, color characteristics, electrical power consumption, and energy efficiency. Since the test is conducted at a single temperature and moment in time, it provides a precise measurement of the initial performance of LED lighting products.

How LM-79 Testing Lab Performs the Testing?

LM-79 testing is conducted using specialized photometric and electrical measurement equipment in a controlled laboratory environment. At KC India Test Laboratories LLP, LED lamps or fixtures are tested using instruments such as integrating spheres and goniophotometers to measure light output and distribution. During the testing process, the device under test is powered under stable electrical conditions while engineers record its electrical and photometric parameters. The electrical measurements collected in an LM-79 compliant test typically include RMS AC voltage, RMS AC current, AC active power, power factor, total harmonic current distortion, and voltage frequency. These measurements help determine the electrical efficiency and performance characteristics of the lighting product.

LM-79 Testing Required for Lighting Performance Verification

LM-79 testing is essential for manufacturers and suppliers of LED lighting products to verify product performance and meet industry requirements. The testing provides reliable information about brightness, energy efficiency, and electrical performance of LED fixtures used in residential, commercial, and industrial lighting applications. LM-79 test reports are commonly used for product certification, quality assurance, and performance validation within the lighting industry. By conducting testing according to the LM-79 standard established by the Illuminating Engineering Society (IES), manufacturers can ensure that their lighting products meet required performance and efficiency standards.

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Uttar Pradesh, Ghaziabad
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