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光子计数头
H13467-01
H13467 系列是一款宽受光面光子计数头设备，包含一个直径为 25 mm（1 英寸）的端窗型光电倍增管，以及一个高压电源电路和光子计数电路。光电倍增管的高压电源和鉴别级别已按最佳值预设，只需连接 +5 V 电源即可进行光子计数测量。H13467 系列具有入射光过多检测输出功能（指示入射光过多的操作条件）。
详细参数
| 光阴极面区域形状 | 圆形 |
|---|---|
| 光阴极面区域尺寸 | 22 mm 直径 |
| 波长（短） | 300 nm |
| 波长（长） | 650 nm |
| 波长（峰值） | 375 nm |
| 尺寸 (W x H x D) | 33.0 x 43.0 x 60.0 mm |
| 输入电压 | +4.75 至 +5.25 V |
| 最大值 输入电压 | 6 V |
| 最大值 输入电流 | 100 mA |
| 300 nm 处的计数灵敏度典型值 | 1.4 x 105 s-1・pW-1 |
| 400 nm 处的计数灵敏度典型值 | 2.7 x 105 s-1・pW-1 |
| 500 nm 处的计数灵敏度典型值 | 1.7 x 105 s-1・pW-1 |
| 600 nm 处的计数灵敏度典型值 | 4.6 x 104 s-1・pW-1 |
| 计数线性度 | 6.0 x 106 s-1 |
| 暗计数典型值 | 15 s-1 |
| 暗计数最大值 | 80 s-1 |
| 脉冲对分辨率 | 18 ns |
| 输出脉冲宽度 | 9 ns |
| 输出脉冲高度最小值 | +2.0（50Ω 负载） +4.0（未端接）V |
| 建议的负载电阻 | 50 Ω |
| 信号输出逻辑 | 正逻辑 |
| 工作环境温度 | +5 至 +40 °C |
| 储存温度 | -20 至 +50 °C |
| 重量 | 111 g |
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