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Outline-SR-UL1R

The previous model SR-UL1 made it possible to measure very low luminance as low as 0.005cd/m².

This product inherits high quality from the SR-UL1 and its operability is enhanced with USB interface and motorized aperture angle.

Latest grade up make SR-UL1R to extend guaranteed accuracy range to 0.001 cd/m²

Features

  • Ultra-low luminance measurement. (0.001 cd/m² - )
    　
  • High sensitivity and wide dynamic range (0.001 - 300,000cd/m²)
    　
  • Luminance and chromaticity in small area can be measured without attachment lens.
    　
  • The stable measured value are obtained even when measuring frequency light source.
    　
  • Communication between the SR-UL1R and PC is accelerated with USB and STB command.
    　
  • Application soft CS-900A is standard accessories.
    　

Applications

  • 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

Specifications

Photo detector Electronically cooled back incidence type CCD
Dispersing element Diffraction grating
Measurement angle 2°/1°/0.2°/0.1°　selectable (Motor moved)
Measurement distance 350mm - ∞ (distance from metallic tip of objective lens)
Spectral bandwidth 5 - 8nm *Half bandwidth
Wavelength accuracy ±0.3nm * for 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-1m-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°: 0.001 - 3,000,
1.0°: 0.003 - 9,000
0.2°: 0.075 - 70,000,
0.1°: 0.3 - 300,000
Accuracy in luminance(*1) ±2% or less
Accuracy in chromaticity(*1) ±0.002
Repeatability in luminance(*3) 1.5% : 0.001 - 0.005cd/m²
0.4% : 0.005 - 0.1cd/m²
0.3% : 0.1 cd/m² or more
Repeatability in chromaticity(*4) 0.005 : 0.001 - 0.005cd/m²
0.0015 : 0.005 - 0.1cd/m²
0.0005 : 0.1 cd/m² or more
Polarization error Luminance　1％ or less,Spectral radiance　2％ or less (400 - 780nm)
Measurement time(*5) NORMAL Mode: about 1 - 248sec, HIGH SPEED Mode: about 1 - 17sec
Interface USB2.0 / RS-232C selectable
Power supply Dedicated AC adapter AC100V-240V, 50/60Hz, DC12V36W
Power consumption about 36W
Use conditions Temperature: 5 - 30℃, Humidity: 80%RH or less (no condensation)
Outer dimensions (W×D×H) 150×406×239mm
Weight 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 (Diameter φ)

(mmφ)
Measurement angle Measurement distance(*1)
350mm 500mm 800mm 1000mm 2000mm
2° 10 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

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

Available Accessories

  • Attachment Lens
 : AL-6/AL-11/AL-12
  • Reference White Board
 : WS-3
  • Fiber probe
 : FP-3P
  • Tripod 5N
 : Tripod5N
  • Tripod
 : Tripod-SR
  • Fine Control Table
 : S-4
  • Neutral Density Filter
 : ND-10/100
  • CCD Adapter
 : IA-2
  • Illuminance Adapter
 : ZV-30

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