CM-M6 Multi-Angle Spectrophotometer

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CM-M6 Multi-Angle Spectrophotometer

The CM-M6 is a portable multi-angle spectrophotometer especially designed for color measurement of metallic or effect paints, such as pearlescent coatings, which can exhibit a noticeable visual change with specific angles of view. It uses a new, patented double-path illumination system with directed 45° illumination and 6-angle observation (-15°/15°/25°/45°/75°/110° aspecular) from two sides to accurately measure painted parts at the automotive production floor.

This new, patented optical measurement system is optimized to give accurate and stable results even on curved surfaces. Therefore, samples such as front and rear bumpers, vehicle mirror bodies or door handles can be measured fast, accurately and repeatedly. Its compact and lightweight vertical shape is easy to hold by one or two hands and enables easy positioning, while the high-resolution back-illuminated colour display is easy to read even in the lowest ambient lighting conditions.

PDF Click here for the CM-M6 Automotive Brochure.


  • Double-path illumination/observation system for stable measurements on curved surfaces
  • Compact and lightweight vertical design allows fast and accurate QC in production line
  • Large high-resolution, back-illuminated color display
  • Optional Bluetooth®


ModelCM-M6 Multi-Angle Spectrophotometer
Illumination/viewing system45° illumination: -15° / 15° / 25° / 45° / 75° / 110° aspecular viewing angles with double-path technology
DetectorDual 40-element silicon photodiode arrays
Spectral separation deviceLinear variable filter
Wavelength range400 to 700 nm
Wavelength pitch10 nm
Photometric range0 to 600 %; Output/display resolution: 0.01%
Light sourceHigh-CRI white LED
Measurement timeApprox. 4.5 s; Minimum measurement interval: Approx. 5 s
Battery performanceApprox. 1500 measurement at 10-sec. intervals from fully charged battery
Measurement/illumination areaØ 6 mm / Ø 12 mm
RepeatabilityColorimetric value: Standard deviation within ΔE*ab 0.05 (when a white calibration plate is measured 30 times at 10-second intervals after white calibration)
Inter-Instrument AgreementWithin ΔE*ab 0.2 (Averaged for 12 BCRA Series II tiles compared to values measured with a master body at 23℃)
InterfaceUSB2.0; Bluetooth®: optional
Display3.5-inch TFT Color LCD
Display dataColorimetric data: L*a*b*, L*C*h Color difference data: Δ(L*a*b*), Δ(L*C*H*), ΔE*ab, CMC(l:c), ΔE94 (CIE1994), ΔE00(CIE DE2000), DIN6175-2 Other data display: MI, FF value, line graph, pass/fail judgement
Observer condition2° and 10° colorimetric standard observer
Illuminant conditionA, C, D50, D65, F2, F6, F7, F8, F10, F11, F12 (simultaneous evaluation with two light sources possible)
Display languagesEnglish, German, French, Italian, Spanish, Portuguese, Russian, Turkish, Polish, Chinese (simplified), Japanese
Operating temperature/humidity range0 – 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
PowerRemovable Lithium-ion rechargeable battery or AC Adapter
Dimensions (W × H × D)Approx. 152 × 239 × 81 mm
WeightApprox. 1.1 kg (including battery)

Included Accessories

AC Adapter
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Lithium-Ion Battery Pack
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USB Cable
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White Calibration Plate
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Zero Calibration Box
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Suggested Accessories


Bluetooth® Module
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SpectraMagic™ (Software)
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