| 摘要 |
A test device for a roller crusher of the type which comprises a pair of crushing rolls rotating in opposite directions for crushing or pulverizing materials comprises - a first sector shaped roll part (2) having a first crushing surface (4) and which is rotatably mounted so that the first crushing surface (4) forms one side of a gap (6) through which materials (M) is fed, - a second sector shaped roll part (3) having a second crushing surface (5) and which is rotatably mounted so that the second crushing surface (5) forms the other side of the gap (6), and - a sensor arrangement (10) arranged to sense at least one property of the interaction between the materials (M) fed through the gap and the test device (1).
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