High-speed LED Spectrometer
LE series

Inline evaluation system for optical characteristics of LED synchronized with control signal in production line. LE-5400 provides the optical characteristics data which are required for quality control such as OK/NG judgement and LED binning.

Measurement Items

Tristimulus value
Chromaticity
Other

Features

Synchronized with control signal in production line
Flexible/various measurement system with optical fiber
High speed test – short exposure time (Min. 2ms/ LE-5400)
High speed measuring cycle -test/calculation/evaluation (Half a time compared with conventional model)

* Ask for detail

About the LE series
Features
Measurement Items
Specifications

Spectroscopic Characterization Instrument About the LE series

Features

Synchronized with control signal in production line
Flexible/various measurement system with optical fiber
High speed test – short exposure time (Min. 2ms/ LE-5400)
High speed measuring cycle -test/calculation/evaluation (Half a time compared with conventional model)

* Ask for detail

Measurement Items

Tristimulus value* 〔JIS Z 8724〕
Chromaticity (u, v) 〔CIE 1960UCS〕
Chromaticity (x, y) 〔JIS Z 8724〕
Chromaticity (u', v') 〔CIE 1976UCS〕
Dominant wavelength and Excitation purity 〔JIS Z 8701〕
Correlated color temperature and Duv 〔JIS Z 8725〕
Color rendering index （Ra, R1～R15）〔JIS Z 8726〕
Wavelength, height and half band width of the peak
Wavelength, height of the second peak
Integrated value
Center-of-gravity wavelength
Height of designated wavelength
Integrated value of shorter/longer wavelength of the peak

*Brightness (kY) can be vary depends on the detector and optical system of measuring LED. It is valid only when reproducibility of alignment (distance, position and direction) is confirmed.

Specifications

Model	LE series
Type	A	B	C	D
Spectral range	380 to 960 nm	220 to 800 nm	330 to 1100 nm	350 to 930 nm
Spectral method	0.1 μm to several 10 μm
Spectrometer	F = 3, f = 135mm
Grating	Brazed Holographic Type
Detector	Electro-cooling CCD image sensor
Optical fiber　^*1	Length　about 2 m, Diameter about 12 mm
Consumption electricity	Max.100 VA
Dimensions (W × D × H)	280 × 160 × 296 mm
Weight	Approx. 10 kg

*1　Shapes and lengths can be adjustable

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