Bench-top Spectrophotometer CM-3700A

CM-26dG

Portable spectrophotometers with d:8° geometry and horizontal alignment

  • Portable Spectrophotometer with 60° gloss measurement
  • Wavelength range 360-740 nm
  • d:8° Sphere Geometry
  • Simultaneous SCI / SCE measurement
  • 2 Apertures SAV / MAV
  • UV calibration
Bench-top Spectrophotometer CM-3700A
The CM-26dG, CM-26d, and CM-25d are the successors to the CM-2600d and CM-2500d spectrophotometers widely used in the industry. The new devices are portable sphere type spectrophotometers with horizontal alignment, a design most convenient to measure the colour of flat or large samples. All devices deliver measurement data including (SCI) and excluding (SCE) surface conditions in one measurement sequence, at Ultra-High Speed. With their additional 3mm measuring aperture, the devices perfectly adapt to small sample sizes (not for CM-25d), with the CM-26dG being able to also measure the gloss of a surface with a true, ISO compliant 60° gloss sensor.

While the sample observation port allows perfect sample positioning for measurements, the large color display shows measurement data either numerically or graphically. With the additional Configuration Tool Software CM-CT1 and the new image based workflow feature, the devices enable easy configuration across a network and make the actual work for users in the field less erroneous and more convenient.
 

Specifications & Downloads

Specifications & Downloads
Model CM-26dG CM-26d CM-25d
Color Illumination/ viewing system di:8°, de:8° (complies to DIN5033-7, JIS Z 8722c, ISO7724/1, CIE No.15)
Integrating sphere Ø54mm
Detector Dual 40-element silicon photodiode array Dual 40-element silicon photodiode array Dual 32-element silicon photodiode array
Spectral separation device planar diffraction grating
Wavelength range 360-740 nm 360-740 nm 400-700nm
Wavelength pitch 10 nm
Half bandwidth approx. 10 nm
Measurement range 0~175%
Resolution: 0.01%
Light source Pulsed Xenon lamp
Light source life time more than 1 Million
Illumination area 12.0×12.5 mm MAV: Ø12.0mm MAV: Ø12.0mm
SAV: Ø6.0mm
Measurement area MAV: Ø8.0 mm MAV: Ø8.0 mm MAV:Ø8.0 mm
SAV: Ø3.0 mm SAV: Ø3.0 mm
Measurement time approx.1sec (SCI or SCE + gloss measurement) approx. 0.7sec (SCI or SCE) approx. 0.7sec (SCI or SCE)
Min. measurement interval approx.2sec (SCI or SCE + gloss measurement) approx. 1.5sec (SCI or SCE) approx. 1.5sec (SCI or SCE)
Repeatability Standard deviation within ΔE*ab 0.02 Standard deviation within ΔE*ab 0.02 Standard deviation within ΔE*ab 0.04
IIA within ΔE*ab 0.12 (MAV/SCI) Average for 12 BCRA Series II color tiles compared to values measured with master body. within ΔE*ab 0.12 (MAV/SCI) Average for 12 BCRA Series II color tiles compared to values measured with master body. within ΔE*ab 0.20 (MAV/SCI) Average for 12 BCRA Series II color tiles compared to values measured with master body.
UV control UV100 / UV0 UV100 / UV0 UV0
Observer 2°, 10°
Illuminants A, C, D50, D65, F2, F6, F7, F8, F10, F11, F12, ID50, ID65, User Illuminant
Displayed data Spectral values/graph, Colorimetric values/graph, Color-difference values, Pass/Fail Judgement, Pseudocolor, Graphical Workflows (Job)
Colorimetric data L*a*b*, L*C*h°, HunterLab, Yxy, XYZ, and Color Differences in these color spaces, Munsell
Indexes MI, WI (ASTM E313), YI (ASTM E313, ASTM (1925), ISO Brightness (ISO2470), WI/Tint (CIE), DIN99o, Strength, Opacity, Greyscale
Color difference formulas ΔE*ab (CIE1976), ΔE94 (CIE1994), ΔE00 (CIE2000), ΔECMC (l:c), HunterΔE, ΔE99o (DIN6172)
Gloss Measurement geometry 60°
(complies to ISO 2813, ISO 7668, ASTM D523-08, ASTM D2457-13, DIN 67530, JIS-Z8741, JIS-K5600)
N/A
Light source White LED N/A
Detector Silicon photo diode N/A
Measurement range 0-200 GU N/A
Resolution: 0.01 GU
Measurement area MAV: Ø10.0 mm N/A
SAV: Ø3.0 mm
Repeatability 0-10 GU: 0.1 GU N/A
10-100 GU: 0.2 GU
>100 GU: 0.2% (Standard deviation)
IIA 0-10 GU: ±0.2 GU N/A
10-100 GU: ±0.5 GU (MAV)
  Data memory Targets: 1.000
Sample: 5.000
  Battery performance approx. 3.000 measurement/charge
approx.1.000 measurement/charge when using Bluetooth™ communication
  Display 2.7 inch TFT color LCD
  Languages English, German, French, Italian, Spanish, Portuguese, Russian, Turkish, Polish, Chinese (Simplified), Japanese
  Interfacing USB2.0, Bluetooth™ (optional)
  Power Rechargeable Lithium-ion battery, USB bus power
  Charging time approx. 6 hours at complete discharge
  Operation temperature/ 5-40°C / rH 80% or less (at 35°C) with no condensation
humidity range
  Storage temperature/ 0-45°C / rH 80% or less (at 35°C) with no condensation
humidity range
  Size [mm] 81.2×93.3×228.6
  Weight [g] Approx. 660 g Approx. 630 g Approx. 620 g

CM-26dG / CM-26d / CM-25d Catalogue

Portable spectrophotometer with sphere geometry and horizontal alignment

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