Comparing the CR-400 and CM-700d instruments – Different instruments, same game
Though both instruments are handheld devices and can be mistaken due to the similarities in design, they are completely different instruments using different technology and here is why.
Konica Minola CR-400/410 Portable Chroma Meter:
This is a handheld Chroma Meter suitable for measuring reflected colour and colour difference.
Its measuring head can be disconnected from the data processor to perform measurements independently. The measuring head can also be linked to a PC and optional software can be used to allow the PC to carry out data processing in place of the Data Processor.
This series is seen as the preferred choice for Food processing companies and Food Research – from Farm to Fork. Depending on the size of the sample, the CR-400 Chroma Meter can be used for smaller objects, while the CR-410 is more suited for larger samples or measuring non-homogenuous products and objects like powders, granules and pastes.
Visit this post for a complete comparison between the CR-400 and CR-410 Chroma Meters.
The Main Features and Functions of this instrument:
- The measuring head can be disconnected from the Data Processor to perform measurements independently. In addition, it is also possible to link the measuring head directly to a PC, and optional software (sold separately) can then be used to allow the PC to carry out data processing in place of the Data Processor.
- Featuring a user index function for the free setting of evaluation and color-calculation
- Several application specific accessories facilitate the measurement of powder, liquid, paste, and many other types of samples.
- Compact Data Processor with integrated thermal printer
- The CR-400 series feature the same illumination/viewing optical system as the previous generation and thus data compatibility is assured.
- The CR-400 Chroma Meter is used for smaller samples and has an 8mm measuring aperture. For larger samples or products like granules and powders, the CR-410 Chroma Meter is often the preferred choice.
Konica Minolta CM-700d Portble Spectrophotometer:
The Konica Minolta CM-700d is a portable sphere type Spectrophotometers with vertical alignment, perfectly suited for precise and repeated colour measurement of shaped and curved samples. For each measurement, data for specular components included (SCI) and excluded (SCE) are taken simultaneously to analyse the surface conditions.
The new generation of portable spectrophotometers offer new technologies, enhanced ergonomics by applying Konica Minolta’s advanced optical design and signal processing technology
- It offers wireless data communications with an external PC or a printer using Bluetooth Technology.
- Data memory capacity allows users to store up to 1000 targets and 4000 measurement sets.
- Powerful and long life Xenon Flash illumination for maximum accuracy even on dark and saturated colours.
- Choice of 3 power supply modes.
- Sphere geometry with simultaneous measurement of specular components included and excluded.
- Automatic “standby” power saving function mode.
Comparing the technical performance and specifications of each instrument series:
Both of the above instruments are different and will also have different specifications that relate to repeatability, inter-instrument agreement and measurement settings. We have complied a quick comparison between the CR-400 and CM-700d below.
** Take note that the specifications listed here are not a full representation of the full specs. The specifications for the CR-400 relate to those of the measuring head alone and not connected to a DP or software. For a full list of instrument specifications, visit Konica Minolta Sensing website or contact us.
|CR-400 Chroma Meter||CM-700d Spectrophotometer|
|Illumination/Viewing System||d:0° (diffuse illumination/0° viewing angle; specular component included) Compliant with JIS Z 8722; including regular reflectance||di:8°, de:8° (diffused illumination, 8-degree viewing angle), d:8° (diffuse illumination/8° viewing angle), selectable SCI (di:8° specular component included) and/or SCE (de:8° specular component excluded) measurement. Conforms to CIE No. 15, ISO 7724/1, ASTM E-1164, DIN 5033 Teil 7, and JIS Z8722 Condition C standards.|
|Measurement/Illumination Area||Ø 8 mm / Ø 11 mm||MAV: Ø 8 mm / Ø 11 mm SAV: Ø 3 mm / Ø 6 mm|
|Data Reporting Type||Colormetric Data only||Colorimetric Data and Spectral Information|
|Repeatability||Within ΔE*ab 0.07 standard deviation (when the white calibration plate is measured 30 times at intervals of 10 seconds)||Spectral reflectance: Standard deviation within 0.1%, 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 (IIA)||ΔE*ab: Within 0.6 Average of 12 BCRA Series II colours||Within ΔE*ab 0.2 (MAV/SCI) * Based on 12 BCRA Series II color tiles compared to values measured with a master body at 23°C|
|Observer Conditions||CIE: 2° Standard Observer||CIE: 2° and 10° Standard Observer|
|Illumination Conditions||CIE: C, D65||CIE: A, C, D50, D65, F2, F6, F7, F8, F10, F11, F12 (simultaneous evaluation is possible using two light sources)|
|Displayed Data and Colour Spaces||XYZ, Yxy, L*a*b*, Hunter Lab, L*C*h, Munsell (Illuminant C only), CMC (l:c), CIE1994, Lab99, LCh99, CIE2000. CIE WI/Tw (Illuminant D65 only), WI ASTM E313 (Illuminant C only), YI ASTM D1925 (Illuminant C only), YI ASTM E313 (Illuminant C only), User index (Up to 6 can be registered from computer)||Spectral values/graph, colorimetric values, color difference values/graph, PASS/FAIL result, color patch, color assessment. L*a*b*, L*C*h, Hunter Lab, Yxy, XYZ, Munsell, ΔE*ab (CIE1976), ΔE*94 (CIE1994), ΔE00 (CIE 2000), CMC (l:c) MI, WI (ASTM E313), YI (ASTM E313-73/ASTM D1925), ISO Brightness, 8° gloss value|
|Data Storage Capacity||1,000 (Measuring head and data processor save different data)||Measurement data: 4000 sets/Target color difference data: 1000 sets|
Videos and Resources:
The easiest way to compare each of these two devices is by viewing the videos below:
CR-400 Chroma Meter: