Analytical instrumentation
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RapidOxy 100 Fuel, from Anton Paar is the only RSSOT (Rapid Small-Scale Oxidation Test) instrument on the market; it is a compact stand-alone instrument for determining the oxidation stability of liquid fuels according to ASTM D7525, ASTM D7545, and EN 16091.
The one-of-a-kind, single instrument delivers results with excellent reproducibility and repeatability for spark ignition fuels, all kinds of diesel fuels (from B0 to B100), and heating oils. On top of this, the extremely fast measuring principle ensures that the induction period for liquid fuels is only a fraction of the measurement time associated with other oxidation stability methods.
Thanks to the gold-plated aluminum test chamber and its supreme safety standards (automatic magnetic lock for the safety hood, over-temperature and over-pressure shut-off), the instrument is perfectly suited for oxidation stability testing of fuels. Highly accurate temperature control and fully automatic measurement guarantee extraordinary precision.
Sample throughput is second-to-none: A test can be started immediately by filling a 5 mL fuel sample directly into the test chamber. After measurement, the test chamber can simply be wiped clean.
Diesel fuels can be released 20 times faster with RapidOxy 100 Fuel than with the alternative test method according to EN 590.
PIN 27.2 Apr/May 2026