MEASUREMENT SYSTEM

To reliably detect air bubbles in a measurement region and eliminate adverse effects on measurement results and a measurement steps.SOLUTION: The present invention comprises: a measurement device 50 provided with a light permeable measurement region 60 into which a liquid sample is introduced; a measurement stage 21 on which the measurement device 50 is placed; irradiation means 23 for irradiating the measurement region 60 with irradiation light that includes two types of measurement wavelength; movement means 91 for relatively moving the measurement stage 21 so that the measurement region 60 takes a plurality of measurement positions relative to the irradiation light; light receiving means for receiving transmitted light after the irradiation light passed through the measurement region, for each of the plurality of measurement positions; computation means 92 for computing an optical measured value of the transmitted light in two types of measurement wavelength, for each of the plurality of measurement positions, and finding a determined value on the basis of these optical measured values; and determination means 93 for comparing the determined values for each of the plurality of measurement positions, and determining the presence of a gas in the measurement region 60 after the liquid sample is introduced.SELECTED DRAWING: Figure 3A 【課題】測定領域中の気泡を確実に検出することで、測定結果及び測定工程への悪影響を除去する。【解決手段】液体試料が導入される光透過性の測定領域60を備えた測定デバイス50と、前記測定デバイス50が載置される測定ステージ21と、２種類の測定波長を含む照射光を前記測定領域60に対し照射する照射手段23と、前記測定領域60が前記照射光に対して複数の測定位置を取るように前記測定ステージ21を相対的に移動させる移動手段91と、前記複数の測定位置ごとに、前記照射光が前記測定領域を透過した後の透過光を受光する受光手段と、前記複数の測定位置ごとに前記２種類の測定波長における前記透過光の光学測定値を演算し、これらの光学測定値に基づき判定値を求める演算手段92と、前記複数の測定位置ごとに前記判定値を比較して、前記液体試料導入後の前記測定領域60における気体の有無を判断する判断手段93と、を備える。【選択図】図３Ａ