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LED Evaluation Equipment LE series FeaturesTotal Luminous Flux Measurement SystemCIE Averaged LED Intensity Measurement System Distribution of Luminous Intensity Measurement System
The best system corresponding to the purpose is offered.
Provides optimal measurement system arrangement based on mutichanel photo detector, optical fiber and various options.
Features
  • Using spectrophotometer conforming JIS Z 8724(Measuement method of light source color) standard
  • A fast operating mutichannel spectrophotometer
  • Wide range of wavelength from UV to NIR
■ Optical system of multichannel spectrophotometer
Optical system of multichannel spectrophotometer
■ Specifications
  28C 311C 3593C
Wavelength range 220 ~ 800 nm 330 ~ 1100 nm 350 ~ 930 nm
Mounting method Brazed holographic type F = 3,f = 135 mm
　Wavelength accuracy ±0.3 nm *1 ±0.5 nm *1 ±0.3 nm *1
Detector Electro-cooling Photodiode array 512ch
　Resolution
　 (nm/pixel)		 1.2
0.6 *2		 1.7
0.9 *2		 1.3
0.6 *2
AD Converter 16bit
Scan time 20msec ~ 20sec *3
*1Checked by Hg calibration lamp *2 Upper : 512ch Lower : 1024ch *3 Amplifer gain normal
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Total Luminous Flux Measurement System(Sphere Type) LE-2100

　●Standard integrating sphere: φ300mm
　　 Up to φ1 available
　●Correlating self absorption using sphere with auxiliary lamp.
　●Electro-cooling temperature oven is optionally available.

　■Measurment item
　　・Total luminous flux
　　・Spectrum
　　・Chromaticity
　　・Color temperature
　　・Ra

　■ System configuration
Total Luminous Flux Measurement SystemLE-1100
(1) CPU
(2) Multichannel spectrophotometer
(3) Receiving fiber
(4) Calibration lamp
(5) Lamp power supply
(6) Switching box

■ φ1m Integrating sphere
φ1m Integrating sphere

 

 

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CIE Averaged LED Intensity Measurement System LE-2200
　●Supports standard optical system for CIE averaged LED intensity
  View angle [sr] Distance[m]
Condition A 0.001（2deg.） 0.316
Condition B 0.01（6.5deg.） 0.100

　■Measurment item
　　・Total luminous flux
　　・Spectrum
　　・Chromaticity
　　・Color temperature
　　・Ra

　■System configuration
CIE Averaged LED Intensity Measurement System LE-1200
(1) CPU
(2) Multichannel spectrophotometer
(3) Receiving fiber　

■Optical Jig
Optical Jig

 

 

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Distribution of Luminous Intensity Measurement System LE-2300

　●Measures distribution of spectrum, intensity and chromaticity at each angle by controlling goniometer.

　■Measurment item
　　・Total luminous flux
　　・Spectrum
　　・Chromaticity
　　・Color temperature
　　・Ra

　■ System configuration
Distribution of Luminous Intensity Measurement System LE-1300
(1) CPU
(2) Multichannel spectrophotometer
(3) Receiving fiber　
(4) Goniometer controller

■Goniometer Image
Goniometer Image

■Light intensity distribution of white LED
Light intensity distribution of white LED

Light intensity distribution of white LED

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