Device for measuring the gas pressure and/or the expansion of a gun barrel

摘要

A device for measuring the gas pressure and/or the expansion of a gun barrel contains a sensor which can be fitted to the gun barrel, a signal conditioner which is connected to the output of the sensor, an amplifier which is connected to the output of the signal conditioner and has automatic gain adjustment, a detector for detecting signal peaks which are supplied from the output of the amplifier, a processor which is connected to the amplifier and to the detector and controls a display unit. <IMAGE>