Spectrophotometer CM-5

Product Code: CM-5

The CM-5 is a very versatile bench-top spectrophotometer to measure the colour of solid, pasty granular and liquid samples either in reflectance or transmittance. The top-port concept, offering various aperture sizes, allows measurement of almost any kind of samples. The CM-5 is thus the perfect all-rounder laboratory instrument for applications such as Flavours & Fragrances, Foods, Chemicals, Pharmaceuticals and Plastics.

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Description Features & Specifications

Versatility for a wide range of Applications

Thanks to the unique concept and a wide range of special accessories, the CM-5 can handle almost any kind of samples in solid, granule, pasty or liquid form.

Aperture size from 3 – 30 mm, different Petri-dishes, different cell paths and a large transmittance chamber offer a unique flexibility.

Large colour LCD

The large colour LCD is easy to read and can display measurement data numerically and graphically or even just as PASS/FAIL judgments.

Wizard for on-screen operation guidance

The wizard function show intuitive on-screen guidance for users for instrument set-up.

USB storage of settings and data

Individual user set-ups as well as target and measurement data can be easily stored on USB memory stick to allow multi-user capability.

Specifications

Principal Specifications CM-5

Model	Spectrophotometer CM-5
Illumination/viewing system	Reflectance	di:8°, de:8° (diffuse illumination: 8° viewing) / SCI (specular component included) / SCE (specular component excluded) switchable Conforms to CIE No. 15, ISO 7724/1, ASTM E 1164, DIN 5033 Teil 7, and JIS Z 8722 (Condition c)
	Transmittance	di:180° (diffuse illumination: 180° viewing)
Integrating sphere size	Ø152 mm
Detector	Dual 40-element silicon photodiode arrays
Spectral separation device	Planar diffraction grating
Wavelength range	360 nm to 740 nm
Wavelength pitch	10 mm
Half bandwidth	Approx. 10 nm
Measurement range	0 to 175 % (Reflectance or transmittance); Output/display resolution: 0.01%
Light source	Pulsed xenon lamp
Measurement time	Approx. 1 s (to data display/output); Minimum measurement interval: Approx. 3 s
Measurement/ illumination area	Reflectance	Changeable by changing mask and settings. LAV: Ø30 mm/Ø36 mm; MAV (optional): Ø8 mm/Ø11 mm; SAV (optional): Ø3 mm/Ø6 mm
	Transmittance	Ø20 mm
Repeatability	Spectral reflectance: Standard deviation within 0.1% (400 nm to 740 nm) Chromaticity value: Standard deviation within ΔEab 0.04 When a white calibration plate is measured 30 times at 10-second intervals after white calibration
Inter-instrument agreement	Within ΔE*ab 0.15 (Typical) (Based on 12 BCRA Series II colour tiles compared to values measured with a master body at 23°C)
Transmittance chamber	No sides (unlimited sample length); Depth (maximum sample thickness): 60 mm Sample holder (optional) for holding sheet samples or containers of liquid samples can be installed/removed
Display	5.7-inch TFT colour LCD
Display languages	English, Japanese, German, French, Italian, Spanish, Simplified Chinese
White calibration	Automatic white calibration (reflectance)/100% calibration (transmittance) using internal white calibration plate (Not available when using petri dish or transmittance cell)
Interfaces	USB 1.1 (Connection to PC; USB memory stick); RS-232C standard (Connection to serial printer)
Observer	2° Standard Observer or 10° Standard Observer
Illuminant	A, C, D50, D65, F2, F6, F7, F8, F10, F11, F12, ID50, ID65 (simultaneous evaluation with two light sources possible)
Displayed data	Spectral values, spectral graph, colorimetric values, colour-difference values, colour-difference graph, pass/fail judgment, pseudo colour, colour assessment
Colour space	Lab, LC*h, Hunter Lab, Yxy, XYZ, Munsell, and colour differences in these spaces (except for Munsell)
Index	Reflectance	MI; WI (ASTM E 313-73, ASTM E 313-96); YI (ASTM E 313-73, ASTM E 313-96, ASTM D 1925); ISO Brightness, B (ASTM E 313-73)
	Transmittance	Gardner, Iodine, Hazen (APHA), European Pharmacopoeia, US Pharmacopeia
User index	User-defined index
Color-difference equation	ΔEab (CIE 1976), ΔE94 (CIE 1994), ΔE00 (CIE 2000), ΔE (Hunter), CMC (l: c)
Pass/fail judgment	Tolerances can be set to colorimetric values (except Munsell), colour-difference values, or reflectance index values
Storable data	Sample data: 4,000 measurements; Target colour data: 1,000 measurements
USB memory stick storage	Storage of measurement data and target colour data. Storage/reading of measurement condition settings (Security-enabled USB memory sticks cannot be used.)
Power	AC 100 to 240 V, 50/60 Hz (using exclusive AC adapter)
Size	Slide cover closed: 385 (W) × 192 (H) × 261 (D) mm Slide cover open: 475 (W) × 192 (H) × 261 (D) mm
Weight	Approx. 5.8 kg
Operating temperature/ humidity range	13 to 33°C, relative humidity 80 % or less (at 35°C) with no condensation
Storage temperature/ humidity range	0 to 40°C, relative humidity 80 % or less (at 35°C) with no condensation