PRODUCTS

Spectroradiometer : SR-LEDH

Recommended manufacturing process
by using ultra-high speed measurement function

Spectroradiometer

  • Outline
  • Features
  • Specification

Outline

This product is equipped with FIX mode which optimize configuration automatically and achieves ultra-high speed measurement of about 0.4sec. This measurement time is half as much as our previous model.
The SR-LEDH will be meet the stringent demands for high accuracy and high speed measuring and is suited for in use in quality control in LED module production line.

Features

Features

  • High-speed measurement (0.4sec) via LAN with FIX mode.
  • Reduced the evenness of sensitivity by our new original optical system.
  • Slim body suitable for processing line and system equipment
  • Included original software development Kit

    * Software Development Kit
    This development kit provides a convenient tool to develop LAN communication software by customer.
    SDK consists of header file, library, sample program which is need to develop LAN communication software. You can develop network programming (socket communication programming) by calling library function in module. The customer can also develop software using Network programming without SDK. It is possible to control SR-LEDH by PC in the network and also possible to control several SR-LEDH by one PC.
 

Applications

  • Luminance, Chromaticity, Color rendering index and Color temperature for LED Back light, LED illuminator.
  • Luminance and Chromaticity of TV, PC, Tablet, Smart phone display.
  • Luminance and Chromaticity of head light and interior panel of automobile.
  • Used as optical characteristic evaluation sensor for system equipment.

 

Specification

Specifications

Photo detector Electronically cooled back incidence type CCD
Dispersing element Diffraction grating
Optical system Object lens : f= 82mm F2.5, Collimation lens : Range of view= 5°
Measurement angle 2°/1°/collimation only (motor drive)
Measurement distance 350mm - ∞ (distance from metallic tip of objective lens)
Spectral bandwidth 6 - 9nm *Half bandwidth
Wavelength accuracy ±0.3nm *Hg emission lamp
Wavelength range 380 - 780nm
Wavelength resolution 1nm
Measurement mode Auto/Manual (Integral time/Frequency) / FIX
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°: 10 - 1,500,000     1°: 30 - 4,500,000
Accuracy in luminance(*1) ±2% or less
Accuracy in chromaticity(x,y) (*1) ±0.002
Repeatability in luminance(*3) 2°: 0.3% (10cd/m² or more),  1°: 0.3% (30cd/m² or more)
Repeatability in chromaticity(*4) 2°: 0.0005 (10cd/m² or more), 1°: 0.0005 (30cd/m² or more)
Polarization error Luminance 1% or less,Spectral radiance 5% ore less (400 - 700nm)
Measurement time(*5) about 0.4sec
Interface LAN(*6) / RS-232C selectable
Power supply Dedicated AC adapter AC100V-240V, 50/60Hz
Power consumption about 33W
Use conditions Temperature: 5 - 30℃, Humidity: 80%RH or less (no condensation)
Outer dimensions (W×D×H) 98×413×231.5mm
Weight 5.3kg


(*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) : Measuring angle: 2°, Integral time: 100ms, High speed mode, LAN(STB command), Color measurement mode
(*6) : TCP/IP, Ethernet 10/100BASE-TX
 

Measurement area (Diameter φ)

mmφ
Measurement angle Measurement distance (*1)
350mm 500mm 800mm 1000mm 2000mm
10.0 15.1 25.4 32.2 66.4
4.99 7.55 12.7 16.1 33.2


(*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
  • Attachment Lens
: AL-11
  • Attachment Lens
: 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
  • Carrying case