VariRef B 101 R-HDPVS Automatic refractometer with integrated temperature control
Article Number16202
Unit of MeasurePiece
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
Light source LED
Measuring range 0 – 16,000 ICUMSA Units (IU)
Measuring 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
Resolution extinction 0.001
Resolution ICUMSA 1 IU
Accuracy IU
± 10 % for colors < 20 IU
± 5 % for colors > 20 IU
Operator Interface
Touch screen for direct functions and
alphanumerical inputs
Data presentation Graphic display
Data output RS232C & USB
Operating temperature 10 – 40°C
The Coloromat 100 enables simple and reliable colour measurements of liquids. The Coloromat 100 is equipped with a continuous measuring mode with freely selectable sampling rate for monitoring colour changes in product streams. Transmittance, absorbance and ICUMSA colour units for liquids at the recommended standard wavelength of 420 nm are standard with this product.The sample chamber is completely open at the top and bottom. In case of doubt, this prevents spilled liquid from running into the instrument. Due to the unique optical design, the Coloromat 100 is not affected by stray light.
Applications
Enzymatic determination
Colour measurement of liquid crystal sugar (ICUMSA)
Determination of the colour index of beverages, e.g. soft drinks, wine, etc.
Determination of the colour of extracts (coffee, etc.)
Colour measurement of beer and wort (EBC colour index)
Biochromate measurements
Multistandard methods
Simple absorbance measurements
Monitoring of time-dependent colour changes