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Material Science & Nanotechnology
Spectrophotometer
ColorTube - Stationary Spectrophotometer
Advantages
- Measures reflection with specular component include / specular component excluded (SCE / SCI) and transmission, absorption
- High powered LED-light source with an optimal life span
- Stepless adjustment of the measuring area from 3 to 30mm
- Reproducibility < ΔE 0.01
Options: Pay only what is needed!
- Transmission measurement: External sample measurement without dirtying the inner of the device
- Probe-video- / desktop-picture
- Infrared thermometer for measuring the sample temperature
Description
With the new developed, high-quality ColorTube, solid and liquid samples can be measured in reflection, absorption and transmission mode. For the measurement of transparent samples, the spectrophotometer is optionally equipped with a third measuring channel. For this purpose, an additional measuring attachment is fitted outside the device. This flexibility allows the device to measure a wide range of samples from opaque to translucent to transparent.
The ColorTube is characterized by a modern and functional design. Only high-quality components are used for the ColorTube, such as a robust aluminium housing, hardened glass cover and stainless steel components.
The heart of the two-channel system is an integrating sphere with a diameter of 140 mm and two spectrometers for the sample and reference channels. The measuring range is between 400 nm and 700 nm with a spectral scanning of 3.5 nm. The integrated gloss trap allows measurements with and without gloss exclusion. High-performance LED light sources ensure long-term stable measurement results. The UV component can although be set variably. Depending on the type of sample, the measuring surface can be infinitely adjusted from 3 mm to 30 mm.
The device can be connected via USB cable with each Windows PC. Together with the in scope of delivery, extensive quality assurance backup software offers the ColorTube the perfect complete solution to compare and review the values your products.
The measurement of pastes, powders and granules can be done easily with an optionally available glass cuvette. For this, the ColorTube can be brought into a vertical position.
The delivery includes:
- Certified white standard PTB (Bundesanstalt für Materialforschung)
- Black reference standard
- Measuring aperture
- PC software ColorDaTra Professional licence with free updates
- USB interface cable and power supply
- User manual
| Measurement Geometry |
Two channel d/8° |
| Integrating sphere size |
140 mm, barium-sulphat coating, stainless steel screen |
| Measuring area | 3 mm to 30 mm continuously variable adjustable |
| Spectral Range/ Wavelength | 400 nm to 700 nm |
| Spectral Resolution | Holografic grating-Spectrometer FWHM @500 nm < 10 nm Scanning in 3,5 nm intervals Resolution: 115 x 16-Bit per scan |
| Inter-Instrument Agreement | < 0,2 ΔE - we can offer to adapt our devices to existing systems |
| Measurement range | 0 to 175% |
| Illuminants | D65, D55, D50, A, C, F11 Individual illuminants can be implemented - for example LED |
| Standard Observer | 2° to 10° |
| Repeatability | ΔE < 0,01 CIELab |
| Colour Scales | XYZ, Yxy, ΔE CIE L*a*b*, L*u*v*, L*C*h, Hunter Lab Remission Spectrum with cursor displaying wavelength and % CIE-L*a*b* Diagram incl. tolerance limits |
| Quality Control | ΔE CIELab; ΔL, Δa, Δb; ΔL, Δu, Δv; ΔL, ΔC, Δh; Min/Max, PASS/FAIL, ΔECMC (1:1 und 1:2), CIE ΔE94, ΔE2000, dynamic index Metameric-Index for D65/A and D65/F11 according to DIN 6172 |
| Other Values | Contrast: LRV (Light Reflectance Value) according to BS 8493:2008, Various White-Index values Various Yellowness-Index values Grey-Index |
| International Norms | ASTM D 2244, D 6290, E 308, E 1164 DIN 5033, 5036, 6174, DIN EN ISO 11664, ISO 7724 |
| Calibration | With white standard certified by the PTB (Physikalisch-Technische Bundesanstalt) and black reference standard Automatic white calibration |
| PC-Connection | USB 2.0, Bluetooth© |
| Dimension | 150 mm x 230 mm x 230 mm (H x L x W) |
| Light Source | White and blue LED´s Life span > 20 years |
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