フォトンカウンティングユニットは光電子増倍管からの単一光電子パルスをアンプ/ディスクリミネータにより5 Vのデジタル信号に変換するものです。フォトンカウンティングユニットの出力にカウンタを接続することによりSN比の良いフォトンカウンティング測光が簡単に行えます。C9744は高速電子回路を使用しているため、最大107 s-1の出力直線性に優れた測光が可能です。10分周プリスケーラを内蔵しているため高速カウンタは必要ありません。
|ディスクリミネーションレベル（入力換算）||-0.4 ～ -16||mV|
|使用する光電子増倍管の必要ゲイン||約3 × 106||-|
|プリスケーラ||÷1 / ÷10||-|
|最大計数率||÷1||4 × 106||s-1|
|÷10||1 × 107|
|出力パルス||CMOS 5 V, 正論理||-|
|入力電源||+5.0 V ± 0.2 V, 130 mA / -5.0 V ± 0.2 V, 50 mA||-|
|電源||DIN (6-pin) *1||-|
|寸法（W × H × D）||90 × 32 × 140（ゴム足・突起物を除く）||mm|
|動作周囲温度||0 ～ +50||℃|
|保存温度||-15 ～ +60||℃|
*1 適合プラグ付ケーブル付属（長さ: 1.5 m）
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