Novel photomultiplier pulse linearity test equipment

The utility model discloses a novel photomultiplier pulse linear test device which comprises a camera obscura door, a PMT clamp, a PMT clamp fixing plate, a voltage divider junction box, a control circuit box, a front wooden box, a middle wooden box, a rear wooden box, a dimmer fixing device, a light source test device and an additional wooden box. The utility model has the advantages that the operation is simple, the efficiency is high, the reliability is high, the photomultiplier is fixed in the camera obscura, the neutral gradient density disc rotates at a constant speed by controlling themotor, and the problems of complex operation of changing the light intensity by distance, uncontrollable light intensity, shielding of electromagnetic fields and geomagnetic fields and the like are solved. 本实用新型公开了一种新型光电倍增管脉冲线性测试设备，包括：暗箱门、PMT卡具、PMT卡具固定板、分压器接线盒、控制电路盒、前木箱、中木箱、后木箱、减光片固定装置、光源测试装置、附加木箱。本实用新型的优点操作简单，效率高，可靠性高，在光电倍增管固定在暗箱中，通过控制电机使得中性渐变密度盘匀速转动，解决了之前通过距离改变光强的复杂操作，和光强大小的不可控、屏蔽电磁场与地磁场等方面的难题。