BM-7A 色差计 TOPCON 拓普康

BM-7A 色差计 TOPCON 拓普康

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2024-12-14 09:38:16
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产品简介

SpecificationOpticalsystemObjectivelens:f=80mmF2

详细介绍

Specification

Optical system Objective lens : f=80mm F2.5
Eyepiece lens : View field 5°,Diopter adjustment range ±5 diopter
Spectral sensitivity Similar to CIE1931 color matching function
Photodetector Silicon photo diode (3 elements X₂,Y,Z)
Measurement angle 2°/ 1°/ 0.2°/ 0.1° (selectable)
Measurement distance 350mm to ∞ (distance from metallic tip of objective lens)
Minimum measurement area Measurement angle 2°φ10mm
Measurement angle 1°φ5mm
Measurement angle 0.2°φ1mm
Measurement angle 0.1° φ0.5mm
Function Luminance, CIE1931 chromaticity coordinates xy
CIE1976 chromaticity coordinates u' v', Tristimulus value XYZ,
Correlated color temperature and Deviation,
CIE1976 L*a*b*, Eab*±, CIE1976L*u*v* Euv*±
Luminance range for guaranteed accuracy Measurement angle 2° 1 - 30,000cd/ m²
Measurement angle 1° 4 – 120,000cd/ m²
Measurement angle 0.2° 100- 3,000,000cd/ m²
Measurement angle 0.1° 400 – 12,000,000cd/ m²
Accuracy Luminance 1: ±4% (1-5cd/m²)
Luminance 2: ±2% (5cd/m² or more)
For standard illuminant A, auto range, Measurement angle 2°
Chromaticity(xy) 1:±0.002 (10cd/m² or more)
For standard illuminant A, auto range, Measurement angle 2°
Chromaticity(xy) 2:±0.01 (O-55,Y-48, T-44, A-73B, IRA-05)
±0.03 (R-61, B-46, V-44, G-54)
(with combination of standard illuminant and color glass filter)
Repeatability Luminance 1 : 1% or less (1 - 5 cd/m²)
Luminance 2 : 0.5% or less (5cd/m² or more)
Chromaticity 1 : xy : 0.005 (1 - 5 cd/m²)
Chromaticity 2 : xy : 0.002 (5cd/m² or more)
For standard illuminant A, auto range, Measurement angle 2°,
Slow mode
Measurement range Auto/Manual 5 steps
Measurement time Fast/Slow 0.5 second
Display Dot matrix 20 characters x 4 lines with back light
Minimum luminance display 0.01cd/m²
Interface USB 1.1/RS-232C selectable
Power supply Dedicated AC adapter AC100V-240V, 50/60Hz
Power consumption Approx 2.5W
Operating condition Temperature 0℃-40℃, Humidity:85% RH or less (no condensation)
Storage condition Temperature -20℃-60℃, Humidity:85% RH or less (no condensation)
External dimensions Approx 325mm x120mm x 162mm (LxWxD)
Weight Approx 3Kg (main unit only)
Measurement area (Diameter φ)

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Measurement distance (mm)
  350 500 1000 5000 10000
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
  • *The measurement distance is the distance from the tip of the metal fixture on the instrument of the objective lens.
Luminance Display Range

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  Range 1 Range 2 Range 3 Range 4 Range 5
0.01-30 0.03-90 0.1-300 1-3,000 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

Correction function

1) Direct correction
The BM-7A can calculate and enter correction factor automatically to compensate for instrumental error.
2) Area correction (Option Software CM-700)
Correction factor can be specified on xy or u’v’ color diagram on the PC monitor. Several correction area can be specified on a color diagram.
  • Improved accuracy (±4%→±2%) 
    Measurement condition is refer to below the specification
  • High speed measurement
    The BM-7A achieve measurement speed is as mach as previous model BM-7Fast. (One measurement per 0.5 sec)
  • USB and RS-232C Interface
    17units of BM-7A (16 units via USB and 1 unit via RS-232C) can be connected to one PC simultaneously.

Optional accessories

  • Attachment Lens AL-6
  • Attachment Lens AL-11
  • Attachment Lens AL-12
  • Reference White Board WS-3
  • CCD Adapter IA-2
  • Fiber probe FP-3P
  • Tripod 5N
  • Tripod Tripod-SR
  • Fine Control Table S-4
  • MF-10/MF-100 Mesh Filter
  • Colorimetry software CM-700

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