CM-25d/CM-26dSpectrophotometer

Successor model of the CM-2500/2600 series
Uses d/8°geometry, with inter-instrument agreement levels of ∆E*ab< 0.12 (CM-26d) and high repeatability of σ∆E*ab 0.02 (CM-26d)

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Category: ProductsColor
Model CM-26d CM-25d
Illumination/ viewing system di: 8°, de: 8° (diffuse illumination: 8° viewing)

 

SCI (specular component included) / SCE (specular component excluded) switchable

Integrating sphere Ø54 mm
Light source Pulsed xenon lamp ×2 Pulsed xenon lamp ×1
Detector Dual 40-element silicon photodiode arrays Dual 32-element silicon photodiode arrays
Spectral separation device Planar diffraction grating
Measurement Wavelength range 360 to 740 nm 400 to 700 nm
Measurement Wavelength pitch 10 nm
Half bandwidth Approx. 10 nm
Reflectance Measurement range 0 to 175%; Display resolution: 0.01
Illumination area MAV : Ø12 mm

 

SAV : Ø6 mm

MAV : Ø12 mm
Measurement area MAV: Ø8 mm

 

SAV: Ø3 mm

MAV : Ø8 mm
Repeatability Standard deviation within ΔE*ab 0.02 Standard deviation within ΔE*ab 0.04
(When a white calibration plate is measured 30 times at 5-second intervals after white calibration)
Inter-instrument agreement Within ΔE*ab 0.12 Within ΔE*ab 0.20
(Based on average for 12 BCRA Series II color tiles; MAV SCI; compared to values measured with a master body under KONICA MINOLTA standard measurement conditions)
UV adjustment UV 100% / UV 0%
Observer 2° observer angle, 10° observer angle
Illuminant A, C, D50, D65, F2, F6, F7, F8, F10, F11, F12, ID50, ID65, User-defined illuminant*1

 

(Simultaneous evaluation with two light sources possible)

Display items Colorimetric values/graph, color difference values/graph, spectral graph, pass/fail judgment, pseudocolor
Colorimetric values L*a*b*, L*C*h, Hunter Lab, Yxy, XYZ, and color difference in these spaces; Munsell (C)
Indexes MI, WI (ASTM E313-73), YI (ASTM E313-73, ASTM D1925),
ISO brightness (ISO 2470), WI/Tint (CIE), Strength, Opacity,
Grey scale, 8° gloss value, User index *1
Color difference equations ΔE*ab (CIE1976) / ΔE94 (CIE1994) / ΔE00 (CIE2000) / CMC (l:c) / Hunter ΔE / DIN99o
Applicable standards DIN 5033 Teil 7, JIS Z 8722 Condition “c”, ISO 7724/1, CIE No.15
Measurement time Approx. 0.7 sec. (Measurement mode: SCI or SCE)

 

(From pressing trigger button to measurement completion)

Minimum measurement interval Approx. 1.5 sec (Measurement mode: SCI or SCE)
Data memory 1,000 target data + 5,100 sample data
Battery performance Measurement mode: SCI or SCE

 

Approx. 3,000 measurements (approx. 1,000 measurements when using Bluetooth) when measurements are taken at 10-second intervals at 23°C with the dedicated lithium battery

Viewfinder function Available (with white LED illumination)
Display 2.7″ color TFT-LCD with reversible portrait viewing mode
Display language English, Japanese , German, French, Italian, Spanish, Simplified Chinese, Portuguese, Russian, Turkish, Polish
Interface USB 2.0; Bluetooth (SPP-compatible. Optional Bluetooth module required)
Power Dedicated lithium-ion battery (removable), USB bus power (with lithium-ion battery installed),
Dedicated AC adapter (with lithium-ion battery installed)
Charging time Approx. 6 h
Operating temperature/

 

humidity range

Temperature: 5 to 40°C, Relative humidity: 80% or less (at 35°C) with no condensation
Storage temperature/

 

humidity range

Temperature: 0 to 45°C, Relative humidity: 80% or less (at 35°C) with no condensation
Size Approx. 81 (W) × 93 (H) × 229 (D) mm
Weight Approx. 630 g Approx. 620 g