LOVIBOND PFX195/ 2 Automatic Colorimeter[9 Mar. 2010, 20:12:39]
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Lovibond® PFX195/ 2
Automatic Colorimeter for Petroleum Oils & Fuels
The PFX195 is an economical spectrophotometric colorimeter, which automatically measure the colour of transparent samples according to one dimensional colour scales that have been adopted as industry standards in oils and chemical processing. Results can also be displayed in terms of spectral data and CIE values.
Colour Scales
ASTM Color
Saybolt Colour
Pt-Co/ Hazen/ APHA Units
X Y Z tristimulus values
x y Y chromaticity co-ordinates
CIE L* a* b* colour space
DE colour difference
Transmittance ( full spectrum and at specified wavelengths)
Optical density ( full spectrum and at specified wavelengths)
Measuring principle 9 interference filters
Spectral response 420 - 710 nm
Bandwidth 20 nm
Repeatability
- chromaticity ( x y) ± 0.0004
- transmittance ± 0.5 %
Measurement time Less than 25 seconds
Calibration Single key press; fully automated
Light source 5 Volt, 10 Watt tungsten halogen lamp ( lens ended)
Illuminant CIE Illuminant A, C, D65 ( B for PFX195/ 4)
Observer 2º , 10º
Path length 0.1 - 50 mm
Interfaces Parallel printer port, RS 232 port
Data storage Up to 32 data sets
Input voltage Universal ( 190 - 240V) , via external power supply
Approvals CE
Display 2 x 40-character, back-lit LCD
Keypad 21 key membrane keypad; washable polyester
with audible feedback
Instructions 7 languages - English, French, German, Spanish,
Italian, Portuguese & Dutch
Instrument housing Fabricated steel with tough, textured paint finish
Dimensions Width 435 mm, Depth 195 mm, Height 170 mm
Weight 6.8 kg
Dimensions Width 435 mm, Depth 195 mm, Height 170 mm
Weight 6.8 kg
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