Test Method
For Petroleum Products, cloud point and pour point of a petroleum product
is an index of the lowest temperature of its utility for certain applications.
The specimen is cooled at a specified rate and examined periodically. The
highest temperature at which a cloud is first observed at the bottom of the test
jar is recorded as the cloud point. The lowest temperature at which movement
of the specimen is observed is recorded as the pour point.
Automatic Cloud Point and Pour Point Analyzer with Integrated Panel PC
. Cloud Point Analyzer conforms to ASTM D2500, D5771, D5772, D5773
and related test methods
. Pour Point Analyzer conforms to ASTM D97, D5853, D5950 and related
test methods
. Stand alone system with Integrated Touch Screen Panel PC
. Direct Cooling system eliminates the need for solvent cooling baths
. One-stage cooling system provides temperatures as low as -40°C and
a two-stage cooling system down to -80°C
. Cloud Point measured by light pulsed emission on I.R spectrum
through a coaxial fibre optic
. Pour Point measured by two PT100 detection probes placed on the
surface of the product and a mechanical moving arm bringing the test
jar to a horizontal position
Cloud Point DetectionThe cloud point detection system provides automated
sample testing with the accuracy and repeatability in accordance with ASTM
D2500, D5771, D5772, D5773 and related international test methods. The
sophisticated dynamic measuring system emits a light pulse every 1°C from a
coaxial fibre optic cable positioned above the test sample. The light pulse is then
reflected off the silver bottom test jar to an optical sensor. The advanced software
package analyses the response of the light pulse. The initial appearance of
crystallization is monitored by light scattering, signifying the cloud point of the
sample. All clear and transparent oils are readily measured by the detection
system, regardless of sample colour.
Pour Point DetectionThe pour point detection system provides automated sample
testing with the accuracy and repeatability in accordance with ASTM D97,
D5853, D5950 and related international test methods. The automated operation
involves removing the sample from the cooling jacket at 3°C intervals and tilting
it to a 90° angle as prescribed by the test method until no flow is observed.
Contact of the cold sample with the two PT100 detection probes positioned just
above the surface liquid level when the test jar is tilted identifies sample flow. The
test jar is automatically returned to the cooling jacket and sampled again until no
flow is detected for 5 seconds. The pour point result is then reported at 3°C
higher than the temperature at which the sample ceased to flow in accordance
with the test method.
Integrated Panel PC and Software Package The Automated Cloud and Pour
Point Analysers are complete standalone systems featuring an integrated panel
PC with an advanced software package. The 6.4" TFT/LCD touch screen display
has a resolution of 640x480 with a 262K colour scheme. All analytical parameters
are graphed and displayed in real time as well as recorded in Microsoft Excel
compatible file format. The software monitors the operation and performance of
all the analyser components for proper data measurement, including the solenoid
valves, cooling system, pressure sensors, and the Platinum resistance PT100
Class A temperature probe.
Cooling System For various user applications, the automated cloud and pour
point systems are available with either one-stage cooling for temperatures as low
as -40°C or two-stage cooling for temperatures as low as -80°C. The direct
cooling system features integrated gas CFC free motors compressors thus
eliminating the need for a solvent cooling bath. The direct system is capable
of rapid cooling, approaching -80°C bath temperatures in approximately 15
minutes, and utilizes less electricity than standard cooling systems. The
rapid cooling feature combined with a consistent cooling profile system
provides repeatable results with high test reproducibility.
Multiple Configuration System-These automated sample cooling and
physical property measurement systems can be configured with one, two,
three, four and six test positions with one of five possible analytical heads at
each position: cloud point, pour point, cloud & pour point, cold filter
plugging point and freezing point. Standard and customized multiple
configuration systems are readily available.
Specifications
KLA-1-TS: ASTM D2500, D5771,
D5772, D5773; DIN 51597; IP 219,
IP 444, IP 445, IP 446; ISO 3015
KLA-2-TS: ASTM D97, D5853,
D5950; IP 15, IP441; ISO 3016
KLA-3-TS: ASTM D97, D2500,
D5771, D5772, D5773, D5853,
D5950; DIN 51597; IP 15, IP 219,
IP441, IP 444, IP 445, IP 446; ISO
3015, ISO 3016
Temperature Range: +80°C to -80°C (+176°F to -176°F)
Resolution: 0.06°C
Accuracy: ±0.1°C
Repeatability / Reproducibility: as per standard test methods or better
Data Storage: less than 60,000 analyses
Electrical Requirement : 115V ± 15% / 60Hz ;
220V ± 15% / 50 to 60Hz
Dimensions
WxDxH,in.(cm) : 26 x 23-3/4 x 31-1/2 (66x60x80)
Net Weight : 176.5 lbs (80kg)
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