Konica Minolta



Portable Spectrophotometer CM-23d

Portable spectrophotometer with sphere geometry and horizontal alignment




Illumination / Viewing system

d:8° (diffuse illumination, 8-degree viewing ), equipped with simultaneous measurement of SCI (di:8° specular component included) / SCE (de:8° specular component excluded) Conforms to (complies to DIN5033-7, JIS Z 8722c, ISO7724/1, CIE No.15)

Sphere Size

Ø 54 mm

Light-receiving element

Silicon photodiode array (dual 32 elements)

Spectral separation device

Planar Diffraction Grating

Wavelength range

400 nm to 700 nm

Wavelength pitch

10 nm

Half bandwidth

Approx. 10 nm

Reflectance range

0 to 175%, resolution: 0.01%

Light source

Pulsed Xenon lamp (with UV cut)

Measurement time

~ 0.7 seconds (SCI or SCE)

Minimum measurement interval

~ 1.5 seconds (SCI or SCE)

Measurement/illumination area

MAV : Ø 8 mm / Ø 12 mm


Standard deviation within ΔE*ab 0.08

(Measurement conditions: white calibration plate measured 30 times at 5-second intervals after white calibration)

Inter instrument agreement

WithinΔE*ab 0.4

(MAV/SCI) Average for 12BCRA Series II color tiles compared to values measured with master body at 23°C.


USB 2.0 (Bluetooth™ optional)

Observer condition

CIE: 2° and 10° colorimetric standard observer

Illuminant condition

CIE: A, C, D50, D65, F2, F6, F7, F8, F10, F11, F12, ID50, ID65 (simultaneous evaluation is possible using two light sources)

Display data

Colorimetric values/graph, color difference values/graph, spectral graph, pass/fail judgment, pseudocolor

Color space / colorimetric data

L*a*b*, L*C*h, CMC(1:1), CMC(2:1), CIE94, CIE00, Yxy, XYZ (and color difference in these spaces); Munsell (C), MI, WI (ASTM E313-73), YI (ASTM D1925), Opacity,

Data memory

1000 targets + 1700 samples

Power source

Dedicated lithium-ion battery (removable), USB bus power (with lithium-ion battery installed), Dedicated AC adapter (with lithium-ion battery installed)

Dimensions (W × H × D) [mm]

81 × 93 × 229

Weight [g]


Operating temperature / humidity range (*1)

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 (at 35°C) with no condensation

Standard accessories

White and Zero calibration box, Target mask Ø 8 mm, USB cable, USB-AC-Adapter, Li-Ion Battery pack, Wrist-strap

Optional accessories

Hard case, Bluetooth™ module, SpectraMagic™NX (software), positioning tool

Display languages

English, German, French, Italian, Spanish, Portuguese, Russian, Turkish, Polish, Chinese (Simplified), Japanese

Specifications are subject to change without prior notice.