Learn the Lighting Features of WELL Certification

The North American Lighting Engineering Association (IESNA) has recently published the LM-82-12 standard test method. This test method can measure the relationship between the electrical, optical characteristics and temperature of LED light engine and LED light bulb in the working state. The new standard provides a consistent test method to help lamp manufacturers choose LED light engines and integrated light bulbs.

The LED light engine is a modular device that consists of LED light sources, drivers and thermal sinking. The light engine provides a more modular method for the design of the lamp. The test results of the light engine at different temperatures can be applied to multiple lamps, reducing the complexity and required costs for the entire industry.

Rita Harrold, the person in charge of the North American Lighting Engineering Association, said: “The design method and application environment of the lamps can change the thermal environment around LED. By measure the electrical and optical parameters of the LED light engine at different temperatures, the lamp manufacturer can enable the decorative lamp and non -fixed direction The light output of a established design, including the lamp, meets the expectations. “

LED light engines and integrated LED bulbs are often applied to various types of lamps, including decorative lamps, non -fixed direction lights, and so on. Generally speaking, the performance of LED bulbs, including light flux, light efficiency, color, life, etc., will be affected by LED knot temperature, and the knot temperature is also affected by the installation method and application environment of LED bulbs in the lamp.

In order to help the lamp manufacturers select the appropriate LED light engine and integrated LED light bulb for each type of lamp products, the North American Lighting Engineering Association released IES LM-82-12 technical standards. The relationship between the performance and temperature of the LED light bulb is provided for procedural and established a consistency test method.

Test method and program
Absolute optical test method at room temperature
(1) Initial test of room temperature conditions
First of all, the test method of the IES LM-79-08 file should be used to test the photoelectric parameters of the test method specified in Chapter 9 of the IES LM-79-08 file. The electrical power measured under the room temperature is P. (W), the total optical general volume (IM), the coordinates of the color is the coordinates of the color products, and the coordinates of the color is the coordinates of the color. (X, y.), (u ‘, y’), and the related color temperature were CCT (K). Record the temperature of the temperature test point t of the test sample to T. and the temperature test point of the driver’s temperature test point ta to TB.

(2) Calibration test of room temperature conditions
In the second step, before the test, the temperature of the test sample must be adjusted. Use the temperature control method pointed out in the 2 clause above to adjust the heat environment and make

The temperature value of the TB point is consistent with the initial value of the room temperature, and the temperature value is TB. Then keep the TB point temperature constant, test the electrical records of the sample to P and total light flux, and the coordinates of the color are (x, y). (U ‘, y’) and the related color temperature to CCT.

The overall guidance idea of the IESLM-82-12 technical standard test method is: first, the light performance characteristics of the LED light engine amount LED light bulb were obtained by testing through testing; The working temperature of LED light engines and LED light bulbs simulates light output under specific lamp design conditions. This method uses the results of the temperature test to the light output of the light source part of the simulation book, which provides a good optional solution for those inconvenient use of the entire lamp system as a test.

The International WELL certificate Architectural Research Institute ™ (IWBI ™) is guiding a global campaign that promotes people’s physical and mental health through changing buildings and communities. IWBI formulates and promotes Well Health Building Standards ™ based on scientific research and advanced construction industry practice.

This is the world’s first measure for all measures specifically for architecture and architectural space to improve our comfort, promote we healthy choices, and promote (not influencing) for building certification standards for the goal.

Well certification originated from the United States. Based on medical research, the relationship between the health and well -being of the building and its residents can be divided into silver, gold and platinum -level according to the certification level. It is distributed in 59 countries or regions nowadays.

At present, COOC Zhonghai Commerce, as a member of the IWBI Gongxin Stone, has reached a number of cooperation between the two parties. Among them, COOC Zhonghai Business OFFICEZIP Beijing Financial Street Zhonghai Wealth Center project became the first joint office project to obtain Well platinum -level certification in 2019, and established a new solution for the green health field for joint office projects:
1. Maximize the use of natural lighting, and strictly select the lighting fixture according to the index of illumination, color rendering, to create the light environment that is most conducive to physical and mental health.
2. Strictly control the quality of the water, the filtering equipment efficiently removes harmful elements, improves the taste, and regularly checks to ensure safe and clean water.
3. Intelligent temperature control, providing maximum heat and comfort.
4. Multi -means limited blocking noise transmission to reduce potential health risks.
5. In terms of fine decoration, low volatile building materials are used to minimize the source of pollution; set filters in the AHU unit to ensure the excellent fresh air quality of the room.
6. Of coffee provides a scientific ratio nutritional meal to help tenants live a healthy life.
7. Introduce the gym to provide opportunities and support for a positive lifestyle.
8. More spiritual support, pay attention to the psychological health of tenants.
9. High -quality communities, understand the needs of a few people, and promote the working environment of gender equality.

LISUN LPCE-2 Integrating Sphere Spectroradiometer LED Testing System is for single LEDs and LED lighting products light measurement. LED’s quality should be tested by checking its photometric, colorimetric and electrical parameters. According to CIE 177, CIE84,  CIE-13.3, IES LM-79-19, Optical-Engineering-49-3-033602, COMMISSION DELEGATED REGULATION (EU) 2019/2015, IESNA LM-63-2, IES-LM-80 and ANSI-C78.377, it recommends to using an array spectroradiometer with an integrating sphere to test SSL products.

High Precision Spectroradiometer Integrating Sphere System 

And LISUN upgrade the system which you can check the final page of test report about TMP temperature parameter:

Lightsource Test Report

Warmup Curve

Lisun Instruments Limited was found by LISUN GROUP in 2003. LISUN quality system has been strictly certified by ISO9001:2015. As a CIE Membership, LISUN products are designed based on CIE, IEC and other international or national standards. All products passed CE certificate and authenticated by the third party lab.

Our main products are Goniophotometer, Integrating Sphere, Spectroradiometer, Surge Generator, ESD Simulator Guns, EMI Receiver, EMC Test Equipment, Electrical Safety Tester, Environmental Chamber, Temperature Chamber, Climate Chamber, Thermal Chamber, Salt Spray Test, Dust Test Chamber, Waterproof Test, RoHS Test (EDXRF), Glow Wire Test and Needle Flame Test.

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