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Spectrophotometers / Portable
Measuring Instruments
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CM-2500c
Spectrophotometers
CM-2500c with 45/0° geometry, is a portable, hand-held spectrophotometer designed to measure, match and control the color of small, irregular surfaces as well as substrates with grain, texture or directional characteristics.
Specifications
Principal Specifications
| Model | Spectrophotometer CM-2500c |
|---|---|
| Illumination/observation system | 45/0 method (45° ring-shaped illumination, vertical viewing) |
| Light-receiving element | Silicon photodiode array (dual 40 elements) |
| Spectral separation device | Diffraction grating |
| Wavelength range | 360 nm to 740 nm |
| Wavelength pitch | 10 nm |
| Half bandwidth | Approx. 10 nm |
| Reflectance range | 0 to 175%, resolution: 0.01% |
| Light source | 2 pulsed xenon lamps |
| Measurement time | Approx. 1.5 seconds |
| Minimum interval between measurements | 4 seconds |
| Battery performance | Alkaline manganese: Approx. 1000 measurements, (at 23°C) |
| Measurement/illumination area | Φ7 mm/Φ11 mm |
| Repeatability | Colorimetric Value: Standard deviation within ΔE*ab 0.05 (Measurement conditions: White calibration plate measured 30 times at 10-second intervals after white calibration was performed) |
| Inter instrument agreement | Within ΔE*ab 0.25 (Average for 12 BCRA Series II color tiles compared to values measured with master body; at 23°C) |
| Measurement mode | Single measurement/automatic averaging of multiple measurements (auto mode: 3, 5, 8 times/manual mode) |
| Interface | RS-232C standard |
| Observer | 2/10 degrees (CIE 1931/2°, CIE 1964/10°) |
| Illuminant | A, C, D50, D65, F2, F6, F7, F8, F10, F11, F12 (simultaneous evaluation is possible using two light sources) |
| Display data | Spectral value/graph, colorimetric value, color difference value/graph, PASS/FAIL result, ASSESSMENTS (Except for Japanese mode) |
| Color space/colorimetric data | L*a*b*, L*C*h, CMC(1:1), CMC(2:1), CIE94, Hunter Lab, Yxy, Munsell, XYZ, MI, WI (ASTM E313), WI (CIE), YI (ASTM E313/ASTM D1925), ISO Brightness (ISO 2470), Density status A/T, WI/Tint (CIE), CIE 00 |
| Data memory | 700 |
| Pass/Fail judgment | Tolerance for color difference (Both box and elliptical tolerances can be set) |
| Power source | 4 AA-size batteries or AC adapter |
| Size | (W × H × D) 69 × 96 × 193 mm |
| Weight | Approx. 670 g (without batteries) |
| Operating temperature/humidity range | 5°C to 40°C, relative humidity 80% or less (at 35°C) with no condensation |
| Storage temperature/humidity range | 0°C to 45°C, relative humidity 80% or less (at 35°C) with no condensation |
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