TA Instruments AR 2000 Operator's Manual page 48

Rheometer series
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Clean the plates immediately after your experiment with the appropriate solvent. If you are measuring
highly viscous materials, or materials that are likely to cure, unscrew the draw rod from the geometry
before you raise the head. Stubborn materials can sometimes be removed by heating the plates to a high
temperature. The sample will bake and then crumble apart. You can also remove the plates and soak them
in an appropriate solvent, or replace them with a fresh pair. It is good practice to always unscrew the
draw rod before raising the head. The two plates, together with the sample, can then be removed as a
sandwich unit.
You can gently move the thermocouple (inside the oven) closer to the sample to increase performance;
however, you should avoid making any sharp bends in the thermocouple sheath. Repeatedly adjusting the
positioning may damage the thermocouple and should be avoided.
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AR 2000 Operator's Manual

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