BLACK-Comet-CXR SpectroColorimeters
Instruments for Color Measurement
These instruments measure the color of solid and liquid samples using either a fiber optic reflectance probe, fixture, dip probe, or cuvette holder.  The StellarNet BLACK-Comet-CXR colorimeter has consistent resolution throughout 280-900nm and is a perfect low cost instrument for any color measurement application.  As one of StellarNet's concave grating models it has low stray light levels because there are no mirrors in its optical bench.  It is engineered with no moving parts which results in shock proof durability, permanent alignment,  and a ruggedness unmatched by any spectrometer in its field.  The BLACK-Comet-CXR reliably measures CIELAB & Delta E* values.  StellarNet's BLACK-Comet-CXR colorimeter is applicable for color measurements of food, beverages, industrial and home liquids, textiles, plastics, pharmaceuticals, and raw materials. 
 

Color Measurement Accessories
A fiber optic sample probe is illuminated using a fiber optic light source (see options below).  For measuring the color of solid samples an integrating sphere, such as the  IC2, can be used in place of the fiber optic reflectance probe to improve measurement consistency.  The IC2 act as a cosine receptor for irradiance measurements.  In addition, a reflectance fixture with an integrated light source may be used to measure the color of solid and powder samples.    A white reflectance standard, such as the RS50 listed below, is required to generate a reference for subsequent measurement of solid samples.  For liquid sample measurements cuvettes, dip probes, and flow cells are used.

Free SpectraWiz Software
Software is included to provide CIE 1976 L* a* b* (CIELAB) color coordinate data for measurement and tolerancing. The L* (L star) is a measure of Brightness. The a* and b* are the color coordinates that range from -90 to +90 in the CIELAB color space "circle". For a* (a star), -90=green and +90=red. For b* (b star), -90=blue and +90=yellow. To perform color tolerancing, a standard sample is measured and saved for future comparisons. A Delta E* value is then calculated to show the color differences with other samples. Double beam and multi-beam color monitors for continuous industrial process monitoring are configurable by adding additional channels.


SpectraWiz Software-
CIELAB Color Measurement Application and Data Log work with live spectra

SpectroColorimeter PDF Download

StellarNet Color Analysis System-    
BLACK-Comet-CXR colour spectrophotometer, SL1 Halogen Krypton Light Source, R400-7-VIS Reflectance Probe, RPH1 Reflectance Probe Holder, and RS50 Reflection Standard

BLACK-Comet-CXR SpectroColorimeter
- Reliably measure CIELAB & Delta E* values
- Fiber optic Interface for sampling accessories
- Concave grating provides high sensitivity
- Consistent resolution throughout 280-900nm range
- No mirrors for lowest possible stray light
- Extremely rugged with no moving parts
- Shock-proof durability and permanent alignment
- Miniature size, low cost, portable instrumentation
- Battery pack options for field measurements
- Simple USB2 interface to notebook & desktop PCs

Integrating Spheres for Color Measurement-
The IC2 is a 2” internal diameter sphere with 2 SMA connectors for illumination and collection of solid samples .  The input port is 5/8”. 

RFX-2 for Color Measurement Applications- Reflectance fixture has integrated light source to enable facile color measurement of solids and powders by placing sample on top

Power and Interface
The instruments are constructed in a small rugged enclosure, with a fiber optic SMA connection on the front panel. Portable spectrometers have an easy to use plug and play interface with USB-2 connection.