Spectrophotometer CM-5

Mã SP: 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. 




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.


Principal Specifications CM-5


Spectrophotometer CM-5

Illumination/viewing system


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)


di:180° (diffuse illumination: 180° viewing)

Integrating sphere size

Ø152 mm


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


Changeable by changing mask and settings.
LAV: Ø30 mm/Ø36 mm; MAV (optional): Ø8 mm/Ø11 mm; SAV (optional): Ø3 mm/Ø6 mm


Ø20 mm


Spectral reflectance: Standard deviation within 0.1% (400 nm to 740 nm) Chromaticity value: Standard deviation within ΔE*ab 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


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)


USB 1.1 (Connection to PC; USB memory stick); RS-232C standard (Connection to serial printer)


2° Standard Observer or 10° Standard Observer


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

L*a*b*, L*C*h, Hunter Lab, Yxy, XYZ, Munsell, and colour differences in these spaces (except for Munsell)



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)


Gardner, Iodine, Hazen (APHA), European Pharmacopoeia, US Pharmacopeia

User index

User-defined index

Color-difference equation

ΔE*ab (CIE 1976), ΔE*94 (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.)


AC 100 to 240 V, 50/60 Hz (using exclusive AC adapter)


Slide cover closed: 385 (W) × 192 (H) × 261 (D) mm
Slide cover open: 475 (W) × 192 (H) × 261 (D) mm


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

Specifications and appearance subject to change without notice.

Company names and product names herein are trademarks or registered trademarks of their respective companies.

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