The Konica Minolta Spectrophotometer CM-26dG is a Close Tolerance (CT) grade color measurement instrument developed for digital color data management. With tight inter-instrument agreement (IIA) and high repeatability, it is ideal for evaluating the color and gloss of plastics, smartphones/tablets exterior, paint & coatings, parts within the automotive interior, etc.

Spectrophotometer CM-26dG

The Konica Minolta d:8° portable Spectrophotometer CM-26dG is a versatile color measurement instrument that measures color and gloss simultaneously. It’s perfect for assessing the color and gloss of automotive interior parts, plastics, smartphone/tablet exteriors, and more, and is ideal for various applications requiring precise color and gloss evaluation.

The CM-26dG is designed for effective Digital Color Data Management, offering high inter-instrument agreement (IIA) with ∆E*ab < 0.12 and high repeatability of σ∆E*ab < 0.02. This reduces the reliance on physical samples while ensuring consistent color and gloss data throughout the supply chain.

This highly versatile and reliable color measurement instrument features a symmetrical and compact design that simplifies measuring hard-to-reach surfaces/areas such as the interior of a vehicle. It can switch between Ø8mm and Ø3mm measurement areas and includes a viewfinder for precise positioning of samples and small parts.

The CM-26dG comes together with the user-friendly Configuration Tool CM-CT1 software, enabling users to effortlessly create, write, and share instrument settings across multiple units, even across different global locations. When paired with Spectramagic NX/Spectramagic NX 2 Software, the CM-26dG facilitates the creation of image-based workflows within the instrument for the seamless execution of routine tasks.

Spectrophotometer CM-26dG

  • Color measurement: di:8°, de:8° (diffused illumination, 8° viewing angle)
  • Goss measurement: 60°
  • Tight Inter-Instrument Agreement (IIA)
    • Color: ΔE*ab< 0.12 (Average of 12 BCRA series II color Tiles)
    • Gloss: ±0.2 GU (0 – 9.99 GU)
  • High Repeatability
    • Color: ΔE*ab < 0.02
    • Gloss: < 0.1 GU (0 – 9.99 GU)
  • 2 measurement areas – Ø8mm or Ø3mm
  • 100% / 0% / Adjusted (Instantaneous numerical adjustment of UV with no mechanical filter movement required); 400nm UV cutoff filter
  • Viewfinder for easy target alignment and positioning
  • JOB function*1 for creating image- based workflows

*1 Setting enabled by SpectraMagic NX (Ver. 2.9 or later, sold separately).

 

Spectrophotometer CM-26dG

CM-26dG

ColorIllumination/ viewing systemdi: 8°, de: 8° (diffuse illumination: 8° viewing)

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

Integrating sphereØ54 mm
Light sourcePulsed xenon lamp ×2
DetectorDual 40-element silicon photodiode arrays
Spectral separation devicePlanar diffraction grating
Measurement Wavelength range360 to 740 nm
Measurement Wavelength pitch10 nm
Half bandwidthApprox. 10 nm
Reflectance Measurement range0 to 175%; Display resolution: 0.01
Illumination area12 x 12.5 mm (circle + ellipse)
Measurement areaMAV: Ø8 mm

SAV: Ø3 mm

RepeatabilityStandard deviation within ΔE*ab 0.02

(When a white calibration plate is measured 30 times at 5-second intervals after white calibration)

Inter-instrument agreementWithin ΔE*ab 0.12

(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 adjustment100% / 0% / Adjusted (Instantaneous numerical adjustment of UV with no mechanical filter movement required)*1 ; 400nm UV cutoff filter
Observer2° observer angle, 10° observer angle
IlluminantA, C, D50, D65, F2, F6, F7, F8, F10, F11, F12, ID50, ID65, User-defined illuminant*2

(Simultaneous evaluation with two light sources possible)

Display itemsColorimetric values/graph, color difference values/graph, spectral graph, pass/fail judgment, pseudocolor
Colorimetric valuesL*a*b*, L*C*h, Hunter Lab, Yxy, XYZ, and color difference in these spaces; Munsell (C)
IndicesMI, WI (ASTM E313-73), YI (ASTM E313-73, ASTM D1925), ISO brightness (ISO 2470), WI/Tint (CIE/Ganz), Strength, Opacity, Grey scale (ISO 105-A05), 8° gloss value, User index *2
Color difference equationsΔE*ab (CIE1976) / ΔE94 (CIE1994) / ΔE00 (CIE2000) / CMC (l:c) / Hunter ΔE / DIN99o
Applicable standardsDIN 5033 Teil 7, JIS Z 8722 Condition “c”, ISO 7724/1, CIE No.15
GlossMeasurement angle60°
Light SourceWhite LED
DetectorSilicon photodiode
Color SensitivitySpectrally adjusted to CIE photopic luminous efficiency V (λ) under CIE illuminant C
Measurement range0 to 200 GU; Display resolution:0.1 GU
Measurement areaMAV: 10 x 7 mm

SAV: Ø3 mm

RepeatabilityStandard deviation

0 to 9.99 GU: Within 0.1 GU

10 to 99.99 GU: Within 0.2 GU

100 to 200 GU: Within 0.2% of indicated value

(When measured 30 times at 5-second intervals after calibration)

Inter-instrument agreement0 to 9.99 GU: Within ±0.2 GU

10 to 99.99 GU: Within ≤0.5 GU

(MAV; compared to values measured with a master body under KONICA MINOLTA standard measurement conditions)

Applicable standardsJIS Z8741 (MAV only), JIS K5600, ISO 2813, ISO 7668 (MAV only), ATSM D523-08, ASTM D2457-13, DIN 67530
Measurement timeApprox. 1 sec. (Measurement mode: SCI + Gloss or SCE + Gloss)

(From pressing trigger button to measurement completion)

Minimum measurement intervalApprox. 2 sec (Measurement mode: SCI + Gloss or SCE + Gloss)
Data memory1,000 target data + 5,100 sample data
Battery performanceMeasurement mode: SCI + Gloss or SCE + Gloss

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 functionAvailable (with white LED illumination)
Display2.7″ color TFT-LCD with reversible portrait viewing mode
Display languageEnglish, Japanese, German, French, Italian, Spanish, Simplified Chinese, Portuguese, Russian, Turkish, Polish
InterfaceUSB 2.0; Bluetooth (SPP-compatible. Optional Bluetooth module required)
PowerDedicated lithium-ion battery (removable), USB bus power (with lithium-ion battery installed), Dedicated AC adapter (with lithium-ion battery installed)
Charging timeApprox. 6 h
Operating temperature/ humidity rangeTemperature: 5 to 40°C, Relative humidity: 80% or less (at 35°C) with no condensation
Storage temperature/ humidity rangeTemperature: 0 to 45°C, Relative humidity: 80% or less (at 35°C) with no condensation
SizeApprox. 81 (W) × 93 (H) × 229 (D) mm
WeightApprox. 660 g

Specifications are subject to change without prior notice.

*1 Firmware version 1.10 or later and optional Color Management Software SpectraMagic NX (Ver.3.0 or later) is required to use UV Adjusted setting.

*2 Optional Color Management Software SpectraMagic NX (Ver.2.9 or later) is required for setting user-configured illuminants or user indexes.

 

Spectrophotometer CM-26dG

Catalog Download: Download PDF (3.5MB)

Owner’s Manual: Download PDF (16.4MB)

Spectrophotometer CM-26dG



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