必赢国际游戏登录

Position:Home>Technical Services>Free Testing services

Spatial intensity distribution test

time:2022-01-14

Spatial intensity distribution test

Item:GPM Serial Goniophotometer test system


Testing environment:Standard optics lab


The system including:GPM Goniophotometer(Light distribution curve)、Dual path intelligent photometer,WL serial CC&CV DC Power source、、Standard intensity lamp(Traced to NIM )、Customized fixture.


Test methods:

C-γ、A-αand B-β


Applied lamp type:

Suitable for all kind of LED lamps like navigation lamp, auto lamp, street lamp, spot lamp, flood lamp, LED bulb, LED Tube etc.


Tested parameters:

Luminaire Efficacy Rating (LER), Luminous Intensity Distribution Curve Max. Intensity: Pos of Max. Intensity, Luminous Intensity Distribution Curve(cd/klm,Coefficients Of Utilization - Zonal Cavity Method,Curves of Luminaires vs Lighting Area,Isocandela (rectangle),Isocandela (sphere),IsoLux Plot,Lum Limit Curve,Illuminance at a Distance,Vertical IsoLux Plot,The Average Illuminance Effective Figure,Zonal Lumen,Candlepower Table.

 

Relative standards:

>CIE Pub. NO.70, “The Measurment of Absolute Luminous Intensity Distributions”

> CIE DIV.Ⅱ-TC10, “Photometry of Luminaires”

> CIE Pub.NO.76, “Photometry-the CIE Sytstem of Physical Photometry”

> CIE 121-1996 “The Photometry of Goniophotometer of Luminaries”

> IESNA LM-75 “Goniophotometer Types and Photometric Coordinates”

> IESNA LM-79 “Electrical and Photometric Measurements of Solid-state Lighting Products”

>IESNA-1971(73-96),“IES Practical Guide to Photometry”

> IESNA 61341 “Method of Measurement of Center Beam Intensity and Beam Angle(s) of Reflector Lamp”

> GB/T 9467-2008, “Photometry of indoor type luminaires”

> GB/T 9468-1988, “Photometry of luminaires for street lighting”

> GB/T 7002-2008,“Photometry for floodlight”

> LB/T 001-2008 “Method for measuring integral LED street lamp”

> GB/T 24824-2009 “Methods of measurement for LED modules for general lighting“


File output format:

◇ *.CIE  CIE

◇ *.IES  IESNA  (North America)

◇ *.TM14 TM14   (British)

◇ *.EUT  EULUMDAT  (Germany)

◇ *.CSV EXCEL

000.jpg      00000.jpg

图片8.png



Please consult Ken for details  

Pre:Integrating sphere test system

Next:no more