The dilatometer DIL 402 Expedis Select and Supreme offer state-of-the-art dilatometer technology and are designed for a wide range of sophisticated applications. All instruments of the DIL Expedis series feature the revolutionary NanoEye measuring cell; a new dimension in measuring range and accuracy.
The double furnace sliding carrier creates the opportunity to cover the entire temperature range from -180°C to 2000°C or, alternatively, to increase the sample throughput by having the combination between the double furnace design and a dual sample holder used in dual mode. This increases the number of possible measurements tremendously and boosts the instrument’s efficiency.
One or two furnaces, manual or motorized furnace operation, single or dual sample holders, tube type or rod type sample holders … these are only some of the features the Expedis Select or Supreme provide to match nearly all application scenarios.
Measuring the sample length with a caliper runs the risk of result scatters, especially for soft samples. The DIL 402 Expedis is capable of detecting the initial length of a sample automatically prior to the start of a test run under conditions identical to those during the measurement itself.
A stable position of the sample inside the sample holder is a deciding factor for successful measurement results. The MultiTouch feature places the sample into the optimum position using a unique, tail-like motion.
In order to conveniently measure various sample lengths, the thermocouple is adjustable. A guiding rod accommodates the thermocouple for moving it into the desired position without bending.
When using the three mass flow controllers (MFC, optional), the gas flow paths inside the instrument are split: the protective gas first passes through the measuring cell and then enters the sample chamber, whereas the purge gas(es) are directly fed into the sample chamber. All protective and purge gases leave the instrument together via the furnace exhaust.
The vacuum-tight design of the DIL 402 Expedis is ideally suited for connection to a QMS or to an FT-IR via capillary coupling to the SiC furnace. Outgassing of impurities, additives, organic binders and/or decomposition products can thus be studied.
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