用于检测与输入侧传感器接口（1a）和输出侧的脉冲通道接口（1b）中的流体流率的脉冲发生器（1）。 在脉冲发生器，计数和存储单元（5）被设置，其累积的传感器信号。 切换装置（8）被设置成耦合到所述脉冲信道接口（1b）中，一个耦合脉冲通道（7）接地耦合或质量可以被分离，其中，所述计数和存储单元（5），用于驱动所述开关装置（8）中 一个功能是通过计数形成，并且在存储单元中输入脉冲数累计。 电源管理电路（4）被耦合到所述脉冲信道接口（1b）中的电压抽头，以从耦合的脉冲通道（7）和一个可加载的电荷缓冲存储器提供电源脉冲发生器（1）（6）与 所述功率管理电路，其耦合（4）和充电时开关装置（8）耦合脉冲通道（7）从所述质量分离并排出到电力提供给所述脉冲发生器，当切换装置（8）耦合脉冲通道（7）到地 再加。

A pulse generator (1) for detecting fluid flow rates with input-side sensor interface (1a) and output-side pulse channel interface (1b). In the pulse generator, a counting and storage unit (5) is disposed, which accumulates the sensor signals. A switching device (8) is so coupled with the pulse channel interface (1b) that the coupled pulse channel (7) with mass coupled or mass can be separated, wherein the counting and storage unit (5) for driving the switching means (8) in dependence is formed by an accumulated in the counting and storage unit input pulse number. A power management circuit (4) coupled to the pulse channel interface (1b) to the voltage tap, to supply the pulse generator (1) with power from a coupled pulse channel (7) and a loadable charge buffer memory (6) is provided with said power management circuit (4) coupled to and charged when the switching device (8) a coupled pulse channel (7) separates from the mass and discharged to supply power to the pulse generator, when the switching means (8) a coupled pulse channel (7) to ground coupled.