Konica Minolta Spectrophotometer Portable-CM-2500c


Principal Specifications CM-2500c


Spectrophotometer CM-2500c

Illumination/viewing system

45°a:0° method (45° annular illumination, 0° 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

Ø 7 mm / Ø 11 mm


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)


RS-232C standard

Observer condition

CIE: 2° and 10° standard observer

Illuminant condition

CIE: 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


Pass/Fail judgment

Tolerance for color difference (Both box and elliptical tolerances can be set)

Power source

4 AA-size batteries or AC adapter

Dimensions (W × H × D)

69 × 96 × 193 mm


Approx. 670 g (without batteries)

Operating temperature/humidity range

5 - 40°C, relative humidity 80% or less (at 35°C) with no condensation

Storage temperature/humidity range

0 - 45°C, relative humidity 80% or less (at 35°C) with no condensation

Standard accessories

White calibration plate, RS-232C cable, AC adapter, AA-size battery (×4)

Optional Accessories

Hard case, Dust cover set, Dust cover, SpectraMagic™NX (software), Zero calibration box.

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