Sorting out LM 79
What is LM 79 Test methodology?
LM 79 is an approved method that describes the procedure to be followed and precautions to be observed in performing reproducible measurements of total Luminous flux, electrical power, luminous intensity distribution, chromaticity of Solid-State lighting products for illumination purposes under standard conditions.
LM 79 covers- LED based SSL products with control electronics and heat sinks. Luminaries (fixtures incorporating light source) as well integrated LED lamps.
LM 79 doesn’t cover– fixtures without a light source, SSL products that require external operating.
Test method for total luminous flux Measurements:
The total luminous flux of SSL product shall be measured with an Integrating Sphere or Goniophotometer. The method may be chosen depending upon what other measurements quantities (color, intensity distribution) need to be measured., the size of SSL products, and other requirements.
The integrating sphere is suited for total luminous flux and color measurements of integrated LED lamps and relative small size LED luminaries. Advantage of using integrating sphere is that it does not requires the “ Dark Room”., and also it is less time consuming.
The Goniophotometer provides measurements of Luminous Intensity Distribution as well as total luminous flux. It can take measurements of larger size luminaries as well as small size luminaries. It has to be installed in Dark Room. Measurements in goniophotometer are time consuming.
|Conditions||No Dark room||Dark Room|
|Size of SSL||Small Size luminaries||Large size as well as small size Luminaries|
|Measurements||Total Luminous Flux||Light Intensity Distribution , Total Luminous Flux|
|Duration of Test||Fast Measurements||Time consuming as compared to Sphere photometer.|
If you’re Buyers Demanding for Luminaries Testing– Contact Now!
Wish this blog post will be help. If you have any other questions, please feel free to contact us. ITCIndia team looking forward work with you and get better together!
Mr. Puneet Sharma | Call: 08196980555 | E-mail: ITCIndiaOne@Gmail.Com
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Lm-79 Testing Laboratory for LED Solar Lights in India
ITCIndia is One of the Best LM-79 Testing Laboratory in India. Contact Now! And fulfill your testing Requirements for Tenders and etc.
If you are looking for LM-79 Testing Laboratory for your LED Solar Lights, ITCIndia Can Do. ITC India NABL Accredited Electrical Safety testing Laboratory Providing LM-79 Testing for your LED Solar Lights,
Testing parameter under LM 79 testing for LED Solar Lights:
- Measurement of Total Luminous Flux & Luminous Efficacy
- Color Characteristics (Chromaticity Coordinates, Correlated Color Temperature & Color Rendering Index)
- Light Intensity Distribution Test.
- Voltage, current, wattage, Power factor
The Testing to be conducted is as follows:-
PRODUCT: Solar Street Light | Testing as per standard:
Test to be conducted under LM 79:
a. Measurement of Total Luminous Flux
& Luminous Efficacy
b. Color Characteristics (Chromaticity
C.Coordinates, Correlated Color
Temperature & Color Rendering Index)
If you want details and quotations for Lm-79 Testing, Kindly send us the following details:
- Product Technical Specifications
- Product Images
- Product Brochure
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If you’re Buyers Demanding for LM-79 Testing Services – Contact Now!
Mr. Puneet Sharma | Call: 08196980555 | E-mail: ITCIndiaOne@Gmail.Com
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LM-79 Testing service in Mumbai
If you are looking for LM-79 Testing service in Mumbai Maharashtra India. ITC India NABL approved Electrical safety laboratory Can do LM 79 , IP 65 , testing against IEC/EN/ISO standards on your LED products, led light for luminous flux , CCT , CRI , Efficacy , charomaticity diagram, voltage , current , power , power factor, etc..
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ITC India Pvt. Ltd.
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