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M2011型光子计数探测器
The M2011 photo counting detector
光子计数器主要应用于生物、医学、化学等多重领域，主要涉及弱光探测、精密测量。本公司研发的M2011型光子计数探测器主要由端窗光电倍增管、高压电源模块、信号成形电路组成。本产品在出厂前，已经过各方面测试，接通电源，将输出端与计数单元连接即可使用。产品性能可以按客户需求订做。
Photon counter is mainly used in biology, medicine, chemistry and other fields, mainly involving weak light detection, precision measurement. The M2011 photon counting detector developed by our company is mainly composed of photomultiplier tube, high voltage power supply module and signal forming circuit. Before leaving the factory, this product has been tested in all aspects, switch on the power supply, the output end and the counting unit can be connected to use. Product performance can be customized according to customer demand.
技术参数
（测试环境温度25℃）
参数 | Min. | Typ. | Max | 单位 | ||
输入电压/Input Voltage | +11.5~+12.5 | V | ||||
输入电流/Max.input Current | 70 | mA | ||||
有效面积/Effective Area | Φ25 | mm | ||||
光谱响应范围/Spectral Range | 250-650 | nm | ||||
峰值波长/Peak wavelength | 420 | nm | ||||
输出脉冲逻辑/Output pulse logic | TTL | -- | ||||
输出脉冲幅度1）/Output pulse amplitude | 2.0 | 2.5 | -- | V | ||
脉冲对分辨时间/ Pulse pairs resolving time | 20 | ns | ||||
辐射计数灵敏度/Radiation counting sensitivity | 300nm | -- | 2.2×105 | -- | s-1·pW-1 | |
400nm | -- | 4.6×105 | -- | |||
500nm | -- | 4.5×105 | -- | |||
600nm | -- | 0.9×105 | -- | |||
线性计数率2）/Maximum linear count rate | 6×106(校正前） | -- | ||||
20×106(校正后） | ||||||
暗计数率3）/Dark count | 80 | 200 | Hz | |||
一致性（相对偏差）4）/Consistency | ±10 | % | ||||
8小时不稳定性5）/8 hour instability | 0.6% | 3 | % | |||
推荐负载/Recommended load resistance | 50 | Ω | ||||
重量/Weight | 445 | g | ||||
工作环境6)/ work environment | 温度/Temperature | +5~+40 | ℃ | |||
湿度/Humidity | 90%RH | -- | ||||
存放环境6）/ Storage environment | 温度/Temperature | -20~+50 | ℃ | |||
湿度Humidity | 93%RH | -- | ||||
1) 负载50Ω。
2）校正后为M2011配合北方夜视计数单元校正功能所得。
3）避光 30 分钟后，室温 25℃，测试 300s，计算均值。
4）光源波长在 400~500nm 之间，探测器输出计数率约 15ks-1。
5）探测器输出计数率约 30ks-1 。
6) 无冷凝。
产品应用
生物技术 Biotechnology
医疗器械 Medical Application
精密测量 Precise measurement
特性曲线
外形尺寸图
