H7828シリーズは、φ19 mm (3/4")ヘッドオン型光電子増倍管と高速フォトンカウンティング回路、高圧電源回路を内蔵した小型フォトンカウンティングヘッドです。光電子増倍管の高電圧やディスクリミネータの設定はすでに調整してありますので、+5 Vを入力するだけでフォトンカウンティング計測が行えます。小型でも有効受光面サイズはφ15 mmと大きいため効率良く光を集めることができ、また他の光電子増倍管モジュールと比較して耐振動衝撃特性に優れていますので、携帯型装置に適しています。
|感度波長 (Short)||300 nm|
|感度波長 (Long)||650 nm|
|感度波長 (Peak)||420 nm|
|外形寸法 (W x H x D)||26.0 x 50.0 x 56.0 mm|
|計数感度 at 300 nm Typ.||2.1 x 105 s-1・pW-1|
|計数感度 at 400 nm Typ.||3.6 x 105 s-1・pW-1|
|計数感度 at 500 nm Typ.||2.8 x 105 s-1・pW-1|
|計数感度 at 600 nm Typ.||5.0 x 104 s-1・pW-1|
|カウントリニアリティ||1.5 x 106 s-1|
|ダークカウント Typ.||200 s-1|
|ダークカウント Max.||500 s-1|
|出力パルス波高 Min.||3 V|
|出力パルス波高 Typ.||3.5 V|
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