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InstrumentSpectroradiometer SR-NIR
Dispersing elementDiffraction grating
PhotodetectorElectronically cooled linear CCD
Measurement angle2°/ 1°/ 0,2°/ 0.1° selectable
Measurement distance350mm to ∞ (distance from metallic tip of objective lens)
Minimum measurement areaMeasurement angle 2° φ10
Measurement angle 1° φ4,99
Measurement angle 0,2° φ1,00
Measurement angle 0,1° φ0,5
Wavelength range600 - 1030nm
Spectral bandwidth6 - 8nm (Half bandwidth)
Wavelength resolution1nm
Measurement modeAuto/Manual(Integral time/Frequency)
Measurement objectSpectral radiance Le: W・sr-1・m-2・nm-1
Calculation functionSpectral radiance 600nm - 1030nm
Repeatability±2% for Topcon standard light source from 600nm - 1030nm

Measurement range (for standard illuminant A)

2°:0,5 - 3.000cd/m²
1°:1 - 9.000cd/m²
0,2°:20 - 70.000cd/m²
0,1°:100 - 300.000cd/m²
Polarization errorSpectral radiance: 5% or less
Measurement timeAbout 1 - 31 sec :Normal speed mode
InterfaceUSB2.0/RS-232C selectable
Power supplyDedicated AC adapter AC100V-240V, 50/60Hz, DC12V 36W
Operating conditionTemperature 5-35℃, Humidity:80% R.H. or less (no condensation)
External dimensionsApprox 406mm x 150mm x 239mm (LxWxD)
WeightApprox 5.5Kg (main unit only)


Measurement area (Diameter φ)

Measurement distance (mm)
350500100020005000
10,0015,1032,2066,40169,00
4,997,5516,1033,2084,40
0.2°1,001,513,226,6416,90
0.1°0,500,761,613,328,44

Spektroradiometer