Topcon SR-5 Series
High Dynamic Range Spectroradiometer

The SR-5 is the latest and greatest model available in Topcon’s SR Series line of spectroradiometers (including the SR-3AR, SR-UL1R, SR-UL2, and the SR-LEDH). The SR-5 Series is available in three models including the SR-5, SR-5A, or the SR-5AS. The SR-5 Series is capable of measuring high dynamic ranges from an ultra-low luminance of 0.0001 cd/m² up to an ultra-high luminance of 500,000,000 cd/m² for its top-end model SR-5AS.

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Features

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Measure high dynamic range with accuracy

Measures luminance and color as low as 0.0001 cd/m² and as high as 500,000,000 cd/m² with high accuracy

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Luminance, spectral distribution, and CCT measurements

Supports Luminance, Spectral Distribution, CIE1931 and CIE1976 chromaticity coordinates, Tristimulus value XYZ, CCT and Deviation, CIE1976 L*a*b*, Eab*± , CIE1976L*u*v* Euv*±

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Four apertures available

Four (4) apertures 0.1°/0.2°/1°/2° enable you to measure luminance from small to wide area without attachment lens

Applications

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Luminance, Chromaticity, and Color Temperature measurement of LCDs, CRTs, OLEDs, LEDs, etc

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Transmittance of LCD polarizing plates & filters

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Luminance and color measurement of various light sources

Specifications

Compare Topcon Instruments

Parameter	Aperture
Parameter	2°	1°	0.2°	0.1°
Optical System	Objective lens: f=82mm F2.5 Eyepiece lens: View field 5°, Diopter adjustment range ±5 diopter
Measurement Distance	250mm – Inf.
Luminance Range cd/m²	0.0005 ~ 1,500,000	0.0005 ~ 4,500,000	0.0125 ~ 100,000,000	0.05 ~ 500,000,000
Spectral Range	380 ~ 780 nm range @ 1 nm resolution
Spectral Bandwidth	5nm or less (half width)
Luminance Accuracy	±2% (for standard illuminant A)
Color Accuracy	±0.0015 in 1931 CIE x,y Space
Spot Size at 1m	32.2 mm	16.1 mm	3.2 mm	1.6 mm
Min. Spot Size at 35cm	10 mm	5 mm	1 mm	0.5 mm
Dimensions	Approx 422mm (L) x 130mm (W) x 244mm (H)