Konica Minolta



Portable Spectrophotometsers CM-25cG

Portable spectrophotometer with 45°c:0° geometry and true 60°-gloss-sensor





Illumination/viewing system

45°c:0° method (45° circumferential illumination, 0° vertical viewing)
CIE No.15, ISO 7724/1, ASTM E179, DIN 5033-7, JIS Z 8722 compliant



60° ISO 2813, ISO 7668, ASTM D523, ASTM D2457, DIN 67530, JIS Z8741, JIS K5600 compliant optical system

Detector Dual 40-element silicon photodiode arraysSilicon photo diode
Spectral separation device Planar diffraction grating

Wavelength range

360 nm to 740 nm


Wavelength pitch

10 nm (approx. 10 nm FWHM)


Reflectance range

0 to 175%, resolution: 0.01%

0-200 GU; Output/display resolution:0.01 GU

Light source

Pulsed Xenon Lamp

White LED

Measurement time

Approx. 1.0 second

Minimum interval between measurements

Approx. 2.0 seconds

Battery performance

Standalone: Approx. 3000 measurements (at 10s intervals at 23°C)

Bluetooth®: Approx. 1000 measurements (at 10s intervals at 23°C)

Measurement/illumination area

MAV: Ø8.0 mm / 12 x 16 mm

SAV: Ø3.0 mm / 12 x 16 mm

MAV: Ø10 mm

SAV: Ø3.0 mm


Standard deviation within ΔE*ab 0.04 (Measurement conditions: White calibration plate measured 30 times at 10-second intervals after white calibration was performed)

0 - 10 GU:


10 - 100 GU:


>100 GU:

Inter-Instrument Agreement

Within ΔE*ab 0.15 (Average for 12 BCRA Series II color tiles compared to values measured with master body at 23°C)

Gloss value (MAV):

0 - 10 GU:

10 - 100 GU:

(MAV.  Compared to values measured with a master body under Konica Minolta standard conditions)


USB 2.0 Standard, Bluetooth® Optional

CIE Observer

2° and 10° CIE standard colorimetric observer


CIE Illuminants

A, C, D50, D65, F2, F6, F7, F8, F10, F11, F12, ID50, ID65, User illuminant
(simultaneous evaluation with two light sources possible)


Display data

Spectral values/graph, colorimetric values/graph, colour difference values/graph, PASS/FAIL judgment, pseudo colour, colour assessment


Color space /
Colorimetric data

XYZ, Yxy, CIELAB, CIELCh, HunterLAB, ∆E*ab, ∆E94, ∆E00, CMC (I:c), ∆EHunter, MI, Munsell, WI (ASTM E313-73/96; CIE(WI/Tint)), YI (ASTM E313-73/96; ASTM D1925), ISO Brightness


Data memory

Targets: 2500

Samples: 7500

Power source

Rechargeable Lithium-Ion battery, USB bus power

(W × H × L) [mm]

81 x 81 x 224

Weight [g]

Approx. 600 (with battery)

Display languages

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

Display 2.7-inch TFT color LCD

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

Calibration stage, Lithium-Ion battery, flat-type battery cover, wrist strap, USB cable, USB power supply

Optional Accessories

Hard case, Battery charger and spare batteries, stapler-type target mask, Bluetooth® module, SpectraMagic™ DX software

Specifications are subject to change without prior notice.