PROBLEM TO BE SOLVED: To provide a system for assessing the state of grains, which is set according to circumstances, determination conditions used in assessing a fluid state of grains, such as clogging.SOLUTION: The system includes: an impact detection sensor 1 functioning to input detection signals when grains collide with a detection surface a frequency assessment section 32 functioning to assess the detection frequency of the detection signals by referring frequency conditions a fluid state assessment section 33 functioning to assess the fluid state of the grains based on the result of the frequency assessment by the preceding section 32 a collision frequency conditions-producing section 34 functioning to produce the frequency conditions to give them to the frequency assessment section and an information management section 4 functioning to manage related information necessary for producing the frequency conditions to give them to the collision frequency conditions-producing section 34.COPYRIGHT: (C)2011,JPO&INPIT【課題】詰まりなどの粉粒体の流動状態を評価する際に用いられる判定条件を状況に応じて設定することができる粉粒体状態評価装置を提供する。【解決手段】粉粒体が検出面に衝突した際に検出信号を出力する衝撃検出センサ1と、頻度条件を参照して前記検出信号の検出頻度を評価する頻度評価部32と、頻度評価部32による頻度評価結果に基づいて粉粒体の流動状態を評価する流動状態評価部33と、頻度条件を生成して前記頻度評価部に与える衝突頻度条件生成部34と、頻度条件を生成するために必要な関連情報を管理して前記衝突頻度条件生成部34に与える情報管理部4とが備えられている。【選択図】図1