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The Automated Cloud Point Analyzer fully meets the requirements of ASTM D2500. The dimensions of the glassware, the metal test jacket, position of probes, cooling profile, and other parameters are identical as specified by the manual method.
The analyzer software confirms cloud point when the fiber optics detects reduction of the pulsing green light reflected from the bottom of the silvered test tube. Green light of a specific wave length has been found to most accurately simulate the human eye sensitivity for the cloud point.
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Test Method: D97 & D2500 |
| Automated Cloud and Pour Point Analyzer |
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• Fully Conforms to the Manual ASTM D97 and D2500 .....Methods
• No Cryostat required
• No Hazardous alcohol required
• Compact design
• Fully Automated
• Self Contained
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Click for ALL Automated Models |
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The Automated Combination Cloud and Pour Point Analyzer full conforms to ASTM D97 and ASTM D2500 in the same unit. The analyzer is the same as the automated pour point unit with the addition of the cloud point detection capabilities.
For the cloud point test the robotics lift the test jar from the cold bath. This jar is held vertically to measure the cloud point. The jar is automatically returned to the cold bath if the cloud point is not detected. This is repeated until the cloud point is determined.
Following the cloud point measurement, testing may be continued (at the operator's discretion) for the pour point determination.
QUICK PLUNGE METHOD
If desired the determination of pour point may be significantly accelerated by use of the plunge method. The jacket temperature begins at room temperature, and very quickly lowered to below -75°C. Pour point testing is performed every 1°C or every 3°C. In many cases for samples with the pour points below -40°C may be obtained in less than 1 hour compared with the nearly 4 hours using the ASTM D97 procedure. The results, depending on sample composition, are equal to or comparable to those obtained by the slower ASTM D97 procedure.
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Automated Cloud and Pour Point Scematic |
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Specifications are subject to change without notice. |
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