Spektrofotometer CM-3700A Plus
The Konica Minolta Spectrophotometer CM-3700A Plus sets a new standard in benchtop spectrophotometry with state-of-the-art technology that delivers precise and reliable color measurements. As the latest flagship model from Konica Minolta, it builds upon the legacy of its predecessor, the CM-3700A model, combining innovation with unmatched performance. The CM-3700A Plus is engineered to meet the highest demands and is ideal for research and development, quality control, and computer color matching applications with stringent requirements.
The CM-3700A Plus, with an inter-instrument agreement of ΔE*ab 0.08 or less, ensures consistent measurement across all units of the same model, allowing seamless color management throughout the supply chain, from suppliers to final product manufacturers. It also offers good repeatability, with improvements in black color measurement accuracy. Additionally, the CM-3700A Plus maintains close compatibility with its predecessor, minimizing discrepancies in measured values and ensuring a smooth and efficient transition for users.
Unlike its predecessor, the CM-3700A Plus can simultaneously measure SCI (Specular Component Included) and SCE (Specular Component Excluded), boasting a faster measurement speed and improving overall operational productivity.
The CM-3700A Plus offers enhanced usability with a camera viewfinder feature, enabling easy and precise sample positioning directly from your PC monitor. Users can also save images alongside measurement data, simplifying data management and boosting efficiency. Equipped with an environmental temperature/humidity and a sample thermometer, the CM-3700A Plus allows users to check and record ambient conditions and sample surface temperature alongside color measurements. It also features the Wavelength Analysis & Adjustment (WAA) function, a Konica Minolta’s innovative technology that diagnoses and corrects any wavelength shifts in the instrument during each calibration. Additional features include a measurement status panel, a spacious transmittance chamber, and built-in storage for accessories, making the CM-3700A Plus both practical and user-friendly.
Spektrofotometer CM-3700A Plus
- High Inter-Instrument Agreement (IIA): ∆E*ab< 0.08; Average of 12 BCRA Series II color tiles (LAV/SCI)
- High repeatability, even with black and dark colors:
- White: within ∆E*ab 0.005
- Black: within ∆E*ab 0.02
- Simultaneous SCI and SCE Measurement
- Various measuring area:
- SAV : 3×5 mm measurement / 5×7 mm illumination
- MAV: ø8 mm measurement/ ø11 mm illumination
- LMAV: ø16 mm measurement / ø20 mm illumination
- LAV : ø25.4 mm measurement / ø28 mm illumination
- Transmittance: Approx. ø20 mm / ø25 mm
- Camera viewfinder function*1 for precise sample positioning preview
- Ambient temperature sensor and sample thermometer*2
- Built-in accessory storage compartment
- Wavelength Analysis & Adjustment (WAA) function
*1 Optional Color Management Software SpectraMagic NX2 is required.
*2 Sample temperature measurement is applicable for reflectance measurement
Spektrofotometer CM-3700A Plus
| Illumination/viewing system | Reflectance | di:8°, de:8° (diffuse illumination/8° viewing angle) |
| SCI (specular component included)/SCE (specular component excluded) switchable & simultaneously |
| Conforms to CIE No.15(2004), ISO 7724/1, ASTM E 1164, DIN 5033 Teil 7 and JIS Z 8722 condition c standard. |
| Transmittance | di:0°, de:0° (diffuse illumination/0° viewing angle) |
| Conforms to CIE No.15(2004), ASTM E 1164, DIN 5033 Teil 7 and JIS Z 8722 condition g standard. |
| Integrating sphere size | Ø152 mm/6 inches |
| Detector | 38-element silicon photodiode array |
| Spectral separation device | Diffraction grating |
| Wavelength range | 360 to 740 nm |
| Wavelength pitch | 10 nm |
| Half bandwidth | Approx. 14 nm average |
| Measuring range | 0 to 200%; Resolution: 0.001% |
| Light source | Pulsed xenon arc lamp |
| Measurement/illumination area | Reflectance | Changeable between SAV, MAV, LMAV and LAV
SAV: 3×5 mm measurement / 5×7 mm illumination
MAV : ø8 mm measurement/ ø11 mm illumination
LMAV: ø16 mm measurement / ø20 mm illumination
LAV: ø25.4 mm measurement / ø28 mm illumination |
| Transmittance | Approx. Ø20 mm / ø25 mm |
| Repeatability | White | Colorimetric values: Standard deviation within ΔE ab 0.005 Spectral reflectance: Standard deviation within 0.05% (When a white calibration plate is measured 30 times at 10-second intervals after white calibration) |
| Black | Colorimetric values: Standard deviation within AE ab 0.02 Spectral reflectance: Standard deviation within 0.02% (When a black tile (BCRA Serles II; reflectance: 1%) is measured 30 times at 10-second intervals after white calibration) |
| Inter-instrument agreement | Within ΔE*ab 0.08 (Based on average for 12 BCRA Series II color tiles; LAV/SCI. Compared to values measured with a master body under Konica Minolta standard measurement conditions) |
| UV adjustment | UV setting: UV cutoff filter: 400 nm
Computer controlled: continuously variable, 0.0%~100.0% (1000step) |
| Sample temperature measurement | Accuracy (Within operating temperature/humidity range) SAV: ±1.2°C LMAV, MAV: ±0.8°C LAV: ±0.5°C |
| Measurement time | SCI or SCE: Approx. 2 s SCI or SCE with measuring sample temperature: Approx. 4.5 s SCI+SCE: Approx. 5 s SCI+SCE with measuring sample temperature: Approx. 5 s Transmittance: Approx. 2 s |
| Minimum interval between measurements | SCI or SCE: Approx. 3 s SCI or SCE with measuring sample temperature: Approx. 5 s SCI+SCE: Approx. 6 s SCI+SCE with measuring sample temperature: Approx. 6 s Transmittance: Approx. 3 s |
| Transmittance chamber | Maximum sample thickness: Approx. 50 mm Maximum sample length: Unlimited (no sides when transmittance chamber cover is open) Sample holder (optional) for holding sheet samples or containers of liquid samples can be installed/removed |
| Camera viewfinder function | Using internal camera.
*1 Image viewable/copiable using optional software such as SpectraMagic NX2 |
| Internal Performance Check*1 | WAA (Wavelength Analysis & Adjustment) Technology |
| Ambient temperature sensor | Yes |
| Interface | USB2.0 |
| Power | Dedicated AC adapter |
| Size (HxWxD) | Approx. 307(H) x 271(W) x 600(D)mm |
| Weight | Approx. 20.0kg |
| Operating temperature/humidity range | Temperature: 13 to 33°C, Relative humidity: 80% or less (at 33°C) with no condensation |
| Storage temperature/humidity range | Temperature: 0 to 40°C, Relative humidity: 80% or less (at 35°C) with no condensation |
| Standard Accessories | White Calibration Plate; Target Masks (SAV,MAV,LMAV,LAV); Zero Calibration Box; USB Cable (3 m); AC Adapter |
| Optional Accessories | Color Data Software SpectraMagic NX2; Transmittance Specimen Holder; Cells (Glass; 2 mm, 10 mm, 20 mm); Plastic Cells (2 mm, 10 mm, 20 mm); Transmittance Zero Calibration Plate; Color Plates; Green tile; Dust Cover |
*1 The WAA function is available free of charge for the first year after purchase and can be continued in the second year and beyond by having the instrument serviced and calibrated.
**Specifications subject to change without notice.
Spektrofotometer CM-3700A Plus
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