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Spectrophotometer for Color Measurement
Digital single beam photometer for the determination of liquid colour The Coloromat 100 allows easy measurement of transmission, extinction and ICUMSA liquid colour units at the recommended standard wavelength 420 nm.
The wavelengths are selected via the touch screen. Three wavelengths are pre-installed as standards, optional the Coloromat 100 can be equipped with six further customized wavelengths. This opens a wide range of applications . Due to the generous dimensions of the sample chamber the use of polarimeter flow through tubes up to 100 mm as standard cuvettes allows easy filling and a high through-put.
The sample compartment is open to the top and the bottom avoiding spillage to enter the unit. Due to its unique optical design the COLOROMAT is not affected by stray light. The Coloromat 100 is equipped with a continuous measuring mode with free configurable sampling rate for monitoring color changes in product streams as a function of time.
Features of Coloromat 100
- Objective and repeatable measurements
- Polarimeter cells up to 100 mm usable as well as rectangle cuvettes
- Single or flow through measurement
- Remote control via PC
- Data output to PC or direct connected printer
- Up to 250 methods programmable
- Internal data storage of results
- GLP/GMP conform documentation
Specifications
| Optics | Single beam photometer |
| Wavelength range | 340 – 900 nm* |
| Pre-installed filters | 560, 420, 720 nm |
| FWHM | 420 nm = 4 nm** 720 and 560 nm = 7 nm** |
| Wavelength selection | Via touch screen |
| Resolution extinction | 0.001 |
| Measurment accuracy | ± 0.020 extinction at 420 nm ± 0.010 extinction at 560 nm ± 0.010 extinction at 720 nm ± 0.020 extinction at optional filters |
ICUMSA method
| Measuring range | 0 – 16,000 ICUMSA Units (IU) |
| Resolution ICUMSA | 1 IU |
| Accuracy IU | ± 10 % for colors < 20 IU ± 5 % for colors > 20 IU |
Additional information
| Light source | LED |
| Operator Interface | Touch screen for direct functions and alphanumerical inputs |
| Data presentation | Graphic display |
| Data output | RS232C & USB |
| Operating temperature | 10 – 40°C |
| Languages | English and German, others on request |
* For WL < 500 nm and > 700 nm, additional LED’s may be required to ensure measurement accuracy and stability
** This very narrow half-value width enables high measurement accuracy as well as very good repeatability
