TOPCON 輝度計 / 照度計 / 紫外光強度計

產品服務專線:04-27080265 / 台中
02-89924292 台北


Outline

It is the latest model of the long-selling product BM-7 series which we are used as a standard measuring instrument for luminance/chromaticity measurement of FPD (Flat Panel Display) and various light source lamp.

This product archives high chromaticity accuracy and high speed, and it is suitable for brightness management of light source, in-line measurement and so on in the light source color measurement field.

Moreover, it provides more stable measurement by direct color correction function from other instruments made by our company.

Features

  • Improvement of chromaticity accuracy
     
  • High-speed (0.5sec) measurement and high accuracy (±2%) measurement
     
  • It is easy to adjust the instrumental error with two compensates function
     
  • Analog voltage output (option) It can be collect a data with Oscilloscope
     

Applications

  • Measurement luminance and chromaticity
    - TV, PC, Tablet, Smart phone display.
    - Automobile lamps.
    - General lighting, Special light source
    - Traffic signal,
    - Digital signage board

Specifications

Photo detector 3-element Silicon photodiode
Optical system Objective lens : f=80mm F2.5, Eyepiece lens : View field 5°
Spectral sensitivity Similar to CIE1931 color matching function
Measurement angle 2°/1°/0.2°/0.1° selectable
Measurement range Auto/Manual 5-range
Measurement distance 350mm - ∞ (distance from metallic tip of objective lens)
Measurement(*1)
  • x,y,L (x,y: chromatic coordinate, L:luminance) and ±⊿
  • u', v', L (u', v': chromatic coordinate, L:luminance) and ±⊿
  • X,Y,Z (X,Y,Z: Tristimulus value) and ±⊿
  • Tc, duv, L (Tc: Correlated color temperature and Deviation)and±⊿
  • CIE1976 L*a*b*, ⊿Eab* and±⊿, CIE1976 L*u*v*,⊿Euv*and⊿
Range of illuminance(*2) 0.01 - 12,000,000 cd/m²
Luminance range for guaranteed accuracy(*2) 2° : 1 - 30,000cd/ m²
1° : 4 - 120,000cd/ m²
0.2°: 100 - 3,000,000cd/ m²
0.1°: 400 - 12,000,000cd/ m²
Accuracy in luminance(*3) ±4% : 1 - 5 cd/m², ±2% : 5 cd/m² or more
Accuracy in chromaticity (1) dx, dy : ±0.002(*4)
(2) dx, dy : ±0.008 (O-55, Y-48, A-73B, IRA-05, T-44,R-61, B-46, V-44, G-54) (*5)
(3) dx, dy : ±0.005 (*6)
Repeatability in chromaticity(*7) 1.0% : 1 - 5cd/m²,       0.5% : 5 cd/m² or more
Repeatability in chromaticity (*6) 0.005: 1-5cd/m²          0.002: 5 cd/m² or more
Measurement time about 0.5sec
Analog output (Option)
  • Analog voltage output : DC 0 - 3V (X2・Y・Z)
  • Response time (FAST) :
        Range-1: about 30ms
        Range-2: about 30ms
        Range-3: about 30ms
        Range-4: about 0.3ms
        Range-5: about 0.3ms
Display Dot-matrix 20caracters x 4rows with backlight
Interface RS-232C, USB
Power supply Dedicated AC adapter AC100-240V, 50/60Hz
Power consumption about 2.5W
Use conditions Temperature 0 - 40℃,
Humidity:85% RH or less (no condensation)
Outer dimensions (W×D×H) 120×325×162mm
Weight 3.0kg

(*1) : ±⊿ : difference of standard value

(*2) : Standard illuminance A

(*3) : Standard illuminance A, Auto Rage, measuring angle 2°

(*4) : Standard illuminance A, 10cd/m² or more

(*5) : Standard illuminance A, with combination of standard illuminant and color glass filter, ≧100cd/m²

(*6) : Our specification LED panel of RGBW

(*7) : Standard illuminance A, Auto Rage, measuring angle 2°, 2σ, SLOW mode

Measurement area (mm Φ)

(mmφ)
Measurement
angle
Measurement distance (*1)
350mm 500mm 1000mm 5000mm 10000mm
10 15.4 32.8 169 341
5 7.7 16.4 85 170
0.2° 1 1.5 3.3 17 34
0.1° 0.5 0.8 1.6 8 17

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

Luminance Display Range

(cd/ m²)
Measurement
angle
Range-1 Range-2 Range-3 Range-4 Range-5
0.01-30 0.03-90 0.1-300 1-3000 10-30,000
0.04-120 0.12-360 0.4-1,200 4-12,000 40-120,000
0.2° 1-3,000 3-9,000 10-30,000 100-300,000 1,000-3,000,000
0.1° 4-12,000 12-36,000 40-120,000 400-1,200,000 4,000-12,000,000


 

Available Accessories

  • Attachment Lens
: AL-6/AL-11/AL-12
  • Reference White Board
: WS-3
  • CCD Adapter
: IA-1A
  • Fiber probe
: FP-3P
  • Tripod 5N
: Tripod5N
  • Tripod
: Tripod-SR
  • Fine Control Table
: S-4
  • Mesh Filter
: MF-10/MF-100
  • Carrying Case

Measurement area with attachment lens (mmφ)
Measurement
angle
Lens type (Measurement distance)
AL-6 (43-57mm) AL-11 (20.4-24.8mm) AL-12 (165-197mm)
1.98-2.75 1.22-1.49 3.11-3.97
0.99-1.37 0.61-0.74 1.56-1.99
0.2° 0.20-0.27 0.12-0.15 0.31-0.40
0.1° 0.10-0.13 0.06-0.07 0.16-0.20

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