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Multi-angle Spectrophotometer CM-512m3
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The CM-512m3 measures color by illuminating subjects from three angles simultaneously (25°, 45° and 75°), making it suitable for subjects such as metallic/pearl coatings used for automotive exteriors or for the textured materials used for automotive interiors and allowing the changes in color according to the illumination angle to be measured.
Unlike conventional spectrophotometers, correlation of the measurement results with visual evaluation of such subjects can be achieved.
Unlike conventional spectrophotometers, correlation of the measurement results with visual evaluation of such subjects can be achieved.
This special geometry is truly symmetric and therefore free of orientation errors often found in traditional multi-angle instruments.
In addition, this illumination gives very accurate results even when curved surfaces are measured. Therefore difficult samples such as vehicle mirror bodies or door handles can be measured easily.
The graph display function enables easy color judgment even on production sites without using a personal computer.
Evaluation equation suitable for measurements of metallic/pearl coating correlates well with visual evaluation
| Specification: | ||||
| Illuminating/viewing system | 3-angle circumferential illumination (25°, 45°, and 75°)/0° viewing angle | |||
| Wavelength range | 400 to 700nm | |||
| Wavelength pitch | 20nm | |||
| Photometric range | 25°: 0 to 300% reflectance; 45°, 75°: 0 to 200% reflectance; Resolution: 0.01% | |||
| Light source | Pulsed xenon arc lamp | |||
| Minimum measurement interval | 7 seconds (when measuring a white calibration plate at 23°C) | |||
| Battery life | Alkaline manganese batteries: Approx. 400 measurements at 10 sec. intervals (when dark color is measured) | |||
| Measurement/illumination area | 12mm/ 20mm | |||
| Repeatability | Spectral reflectance: Standard deviation within 0.30% Colorimetric values: Standard deviation ΔE*ab within 0.05 (Measurement conditions: White calibration plate measured 30 times at 10s intervals) | |||
| Interface | RS-232C Terminal; D-sub 9-pin (female), Infrared | |||
| Display | Dot-matrix reflective LCD with 21 characters ×7 lines (128 × 56 dots) With contrast control slide | |||
| Display data | Colorimetric data: L*a*b*, L*C*h Color difference data: Δ(L*a*b*), Δ(L*C*H*), ΔE*ab, CMC(l:c), ΔE 00 (CIE DE2000) Other data display: FF value, line graph, temperature | |||
| Illuminant/Observer conditions | Light source: A, C, D 50 , D 65 , F2, F6, F7, F8, F10, F11, F12 Observer: CIE 2° and 10° | |||
| Temperature detection | Detector: Thermopile Wavelength: 8 to 13µm Measurement/display range: -10 to 80°C (0.1°C increments) Measurement diameter: Φ20mm Measurement rating: 0 to 50°C: ±2.5°C ±1 digit (when an object of 0.93 emissivity is measured at ambient temperatures of 18 to 28°C) | |||
| Operating temperature/humidity range | 0 to 40°C; relative humidity 85% or less (at 35°C) with no condensation | |||
| Storage temperature/humidity range | -20 to 45°C; relative humidity 85% or less (at 35°C) with no condensation | |||
| Power | Four AA-size batteries or special AC adapter | |||
| Dimensions (W × H × D) | 115 × 257 × 164mm | |||
| Weight | Approx.1.4 kg (without batteries) | |||
It is suitable for automobiles, office equipment, personal computers, household appliances, exterior walls and Kitchen decorative panels.
