voltage-tunable tube

Methods To automatically adjust x ray tube voltage of fluoroscopy for image brightness control, to use phototimer for autocontrol of exposure time.

方法自动调整透视管电压以控制图像的亮度；利用光电计时器自动控制曝光时间。

Regulating skills on the voltage sensitivity of model DSQ water tube tiltmeter

DSQ型水管倾斜仪电压灵敏度的调整技巧

To the problems in the tube eddy testing, some improved ways are given by using a three-point probe matching the eddy instrument model ET-204 with low field voltage, and selecting a phase having the optimum singnal-to-noise ratio with impedance plane technique.

针对管材涡流探伤中存在的一些问题，研制出可匹配低激励电压ET－204型涡流仪的三点式探头，并采用阻抗平面显示技术选择最佳信噪比相位。

Phototube and photomultiplier tube It is therefore advisable never to use an excessively high working voltage for a multiplier cell.

光电管与光电倍增管因而光电倍增管不使用过高的工作电压是很有道理的。

The protective measures are perfect, includes input voltage, tube current, filament current and overpower protection; The diagnosis system can detect connection condition of the various parts, then display these status.

保护措施完善，具有过过管输入电压、过管电流、过灯丝电流、过功率保护；能自我诊断系统各部分的连接状态，并显示状态。