SR-3AR

ยี่ห้อ : Topcon

Spectroradiometer SR-3AR

Remain a long-selling product model as a various industry standard.

Outline

Recently, a quality and functional of display has been increased, the needs for more sophisticated instrument is growing.
This product features highly accurate and high-speed measurement, so it can be used to complete a wide variety of needs.
The SR-3AR replaces SR-3A/SR-3A-L1 with enhancement of measurement range and stability.

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Features

￭ High accuracy with spectrophotometry and high-speed measurement.
￭ Luminance and chromaticity in small area can be measured without attachment lens.
￭ Measurement angle are selectable from 2°/ 1°/ 0.2°/ 0.1°)
￭ The stable measured value are obtained even when measuring frequency light source.
￭ Communication between the SR-3AR and PC is accelerated with USB and STB command.
￭ Application soft CS-900A is standard accessories.

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Principal use

￭ A various of flat panel display, FPD related materials.
￭ Outdoor billboard, Digital signage.
￭ Automobile instrument panel, audio, lamp, operating panel.
￭ Traffic sign, Traffic light.
￭ Generic illumination, Special illumination.

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Specifications

Photo detector	Electronically cooled linear CCD
Dispersing element	Diffraction grating
Optical system	Object lens : f= 82mm F2.5, Eyepiece lens : 5° view field
Measurement angle	2°/1°/0.2°/0.1°　Selectable (Electric motor drive)
Minimum measurement area	2°: 10.0 mmφ 1°: 4.99 mmφ 0.2°: 1.0 mmφ 0.1°: 0.5 mmφ
Measurement distance	350mm – ∞ (Distance from metallic tip of objective lens)
Spectral bandwidth	5 – 8nm *Half bandwidth
Wavelength accuracy	±0.3nm *Hg emission lamp
Wavelength range	380 – 780nm
Wavelength resolution	1nm
Measurement mode	Auto/Manual (Integral time/Frequency) External vertical sync signal input
Measurement object	Spectral radiance : W･sr-1･m-2･nm-1
Calculation function	Radiance Le : W･sr-1･m-2, Luminance Lv : cd･m-2, CIE1931 chromaticity coordinates xy, CIE1976 chromaticity coordinates u’ v’, Tristimulus value XYZ, Correlated color temperature and Deviation, CIE standard observer 2°/ 10°
Range of guaranteed illuminance accuracy(1) (2)	2°：0.1 – 3,000 cd/m2 1°：0.3 – 9,000 cd/m2 0.2°：7.5 – 70,000 cd/m2 0.1°： 30 – 300,000 cd/m2
Accuracy in luminance(*1)	±2% or less
Accuracy in chromaticity(x,y) (*1)	±0.002
Repeatability in luminance(*3)	0.3% (0.1cd/m² or more)
Repeatability in chromaticity(*4)	0.0005 (0.1cd/m² or more)
Polarization error	Luminance　1％ or less Spectral radiance　2％ or less (400 – 780nm)
Measurement time(*5)	NORMAL Mode　　: Approx. 1 – 31sec HIGH SPEED Mode: Approx. 1 – 17sec
Interface	USB2.0 / RS-232C selectable
Power supply	Dedicated AC adapter AC100V-240V, 50/60Hz, DC12V 36W
Power consumption	Approx. 34W
Use conditions	Temperature: 5 – 35℃, Humidity: 80%RH or less (No condensation)
Outer dimensions (W×D×H)	150×406×239mm
Weight	Approx. 5.5kg

*1 For standard illuminance A.
*2 Measurable range in Normal and High speed mode.
*3 2σ from 10 times continuous measurement at measuring angle 2° in normal speed mode.
*4 (Max – Min) value from 10 times continuous measurement at measuring angle 2° in normal mode.
*5 Except communication time with PC.

Measurement area

Measurement area: mmφ

Measurement angle	Measurement distance [mm]*
Measurement angle	350	500	800	1000	2000
2°	10.0	15.1	25.4	32.2	66.4
1°	4.99	7.55	12.7	16.1	33.2
0.2°	1.00	1.51	2.54	3.22	6.64
0.1°	0.50	0.76	1.27	1.61	3.32

* The measurement distance is the distance from the tip of the metal fixture on the instrument of the objective lens.