Konica Minolta Spectrophotometer Portable-CM-512m3


Principal Specifications CM-512m3

Illuminating/viewing system

3-angle circumferential illumination (25°, 45°, and 75°)/0° viewing angle

Wavelength range

400 to 700 nm

Wavelength pitch

20 nm

Photometric range

25°: 0 to 300% reflectance; 45°, 75°: 0 to 200% reflectance; Resolution: 0.01%

Light source

3 pulsed xenon arc lamps

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

Ø 12 mm / Ø 20 mm


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)


RS-232C Terminal; D-sub 9-pin (female)


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), ΔE00(CIE DE2000)
Other data display: FF value, line graph, temperature

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)

Temperature detection

Detector: Thermopile
Wavelength: 8 to 13 µm
Measurement/display range: -10 to 80°C (0.1°C increments)
Measurement diameter: Ø 20 mm
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 - 40°C; relative humidity 85% or less (at 35°C) with no condensation

Storage temperature/humidity range

-20 - 45°C; relative humidity 85% or less (at 35°C) with no condensation


Four AA-size batteries or AC adapter AC-A308

Dimensions (W × H × D)

115 × 257 × 164 mm


Approx. 1.4 kg (without batteries)

Standard accessories

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

Optional Accessories

Grip CM-A42, SpectraMagic™NX (software)


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