Luminance Colorimeter BM-7A
Features
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High-speed (0.5sec) measurement and high accuracy (±2%) measurement
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It is easy to adjust the instrumental error with two compensates function
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Analog voltage output (option) It can be collect a data with Oscilloscope
Specifications
Model
Photo detector
Optical system
Spectral sensitivity
Measurement angle
Measurement distance
Measurement range
Measurement *1
Range of illuminance *2
Luminance range for guaranteed accuracy *2
Accuracy in luminance *1
Accuracy in chromaticity *1
Repeatability in luminance *3
Repeatability in chromaticity *4
Measurement time *5
Analog output(Option)
Display
Interface
Power supply
Power consumption
Use conditions
Outer demensions(WxDxH)
Weight
BM-7A
3-element Silicon photodiode
Objective lens : f=80mm F2.5, Eyepiece lens : View field 5°
Similar to CIE1931 color matching function
2°/1°/0.2°/0.1° *selectable
350mm - ∞ (distance from metallic tip of objective lens)
Auto/Manual 5-range
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⊿
0.01 - 12,000,000 cd/m²
2° : 1 - 30,000cd/ m²
1° : 4 - 120,000cd/ m²
0.2°: 100 - 3,000,000cd/ m²
0.1°: 400 - 12,000,000cd/ m²
±4% : 1 - 5 cd/m², ±2% : 5 cd/m² or more
(1) dx, dy : ±0.002(*4)
(2) dx, dy : ±0.01 (O-55, Y-48, A-73B, IRA-05, T-44) (*4)
dx, dy : ±0.03 (R-61, B-46, V-44, G-54) (*5)
1.0% : 1 - 5cd/m², 0.5% : 5 cd/m² or more
0.005: 1-5cd/m² 0.002: 5 cd/m² or more
about 0.5sec
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
Dot-matrix 20caracters x 4rows with backlight
RS-232, USB
Dedicated AC adapter AC100-240V, 50/60Hz
about 2.5W
Temperature 0 - 40℃, Humidity:85% RH or less (no condensation)
120×325×162mm
3.0k
(*1) : ±⊿ : differenceof 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 andcolor glass filter, ≧100cd/m²
(*6) : Standard illuminance A, Auto Rage, measuring angle 2°, 2σ, SLOW mode
TOPCON BM-7A 카타로그