Prouducts 
Contant Portable Color and Gloss Meter CM-25cG
The CM-25cG is a compact and lightweight portable spectrophotometer with 45°c:0° geometry and a true high performance 60°-gloss-sensor. The 45°c:0° geometry used is renowned for providing color values offering excellent correlation to visual perception. This is achieved by fully excluding surface effects of gloss and/or texture. The built-in gloss-sensor accurately measures surface gloss.
Being fully compatible to the previous CM-2500c model, the CM-25cG’s perfect circular optical system (defined as 45°c:0°) achieves high accuracy and repeatability, especially on textured or structured surfaces, regardless of measurement direction. Not only does it measure color, but also true 60°-gloss at the same time and, as a world premiere, not only for standard MAV aperture size (10mm) but also for small measurement areas with 3mm spot size.
The CM-25cG is lightweight and uses a large and easy-to-read color display to show and manage measurement data either numerically or graphically. For correct positioning on a sample, the CM-25cG is the first device offering a true optical sample viewer in a 45°:0° geometry instrument.
Features
Large and easy-to-read high-resolution 2.7” color display
Group sorting of data by user-definable tags
Unique 45°c:0° geometry spectrophotometer with 60° gloss measurement and optical sample preview
Two measurement areas: MAV (8mm) and SAV (3mm) for color and MAV (10mm) and SAV (3mm) for gloss in one instrument
Xenon Flash illumination for best accuracy on dark colors
Measurement speed approx. 1s
360-740 nm wavelength range, 10 nm resolution
Lightweight (~600g with battery), compact and rugged for on-site measurements
Connectable via USB and optional Bluetooth®
Specifications
| Model | CM-25cG | |
|---|---|---|
| Color | Gloss | |
| 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 arrays | Silicon 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 |
| Repeatability | 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: ±0.1GU 10 - 100 GU: ±0.2GU >100 GU: ±0.2% |
| 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: ±0.2GU 10 - 100 GU: ±0.5GU (MAV. Compared to values measured with a master body under 日本 standard conditions) |
| Interface | 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 | |
| Dimensions (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. | ||
A 2-in-1 spectrophotometer for simultaneous colour & gloss measurements
The CM-25cG is a portable spectrophotometer with 45°c:0° geometry and a true high-performance 60° gloss-sensor. With no compromises in performance, the CM-25cG has been designed to match or exceed standards for colour and gloss measurement in a number of industries, including automotive interior materials and high visibility textiles (EN471) or coatings. The perfect circular optical system (45°c:0°) achieves high accuracy and repeatability, especially on textured or structured surfaces, regardless of measurement direction.
