Automatic Low Temperature Filterability Test
Determines the filterability of diesel fuels and biodiesel blend fuels in some automotive equipment at low temperatures. The low temperature flow test results are indicative of the low temperature flow performance of the test fuel in some diesel vehicles. The test method is especially useful for the evaluation of fuels containing flow improver additives in a range of +10°C to -30°C.
Up to six (6) 300 ml test vessels are cooled at a specified rate of 1°C/h, and at every °C of cooling, a vacuum of 20 kPa is applied to a filter assembly immersed in the first sample. If the sample recovered in a graduated receiver vessel reaches the 180 ml in 60 sec., the analysis continues to the further 1°C test temperature (passed). When the sample doesn't reach the 180 ml within the 60 sec., the test is failed. The temperature of the last passing result test has to be recorded as minimum LTFT pass temperature. The instrument is a six-place floor model, equipped with a built-in cooling system with a single-stage CFC free motor compressor for temperatures as low as -45°C. Integrated Vacuum System consisting of a 350 kPa micropump, vacuum stabilizer and electronic control for vacuum regulation of 20 kPa. Fully automatic, controlled by an integrated panel PC with touch screen and a large display. All the parameters and the current status of the analysis are shown in real time.
Conforms to the Specifications of: ASTM D4539
Temperature Range: +80°C to -80°C
Resolution: 0.06°C
Accuracy: ±0.1°C
Repeatability / Reproducibility: Meets or exceeds ASTM specifications
Storage Capacity: Up to 60,000 analyses
Interface: USB Port (2)
115V ±15%, 60Hz
220V ±15%, 50/60Hz
wxdxh,in.(cm): 38 1⁄2 x 23 1⁄2 x 51 1⁄4 (98x60x130)
Net Weight: 176.5 lbs (80kg)
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