AE Preamplifier

Fuji R-CAST AE sensor system

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The R-CAST AE Sensor System is designed to detect microscopic destructions. This is a result of the joint development activities of Fuji Ceramics and Research Center for Advanced Science and Technology of The University of Tokyo. The use of an FET head amplifier and a special preamplifier allows this sensor system to achieve a sensitivity 55 dB higher than a conventional AE sensor.
In most case,the ceramic,representative new material,is a kind of brittleness material.
A conventional AE sensor,used new material,was hard to delect AE,since the objects were mainly for metal materials. The R-CAST AE Sensor System can detect microscopic cracks of several

MA type(Built-in head-amplifier)

Model name	Resonant Frequency kHz	Sensitivity * dB(0dB=1V/m/s)	Temperature Range	Structure	Size mm	Weight gm
M204A	20020%	1203	-20+80	case ground	5.510H	1
M304A	30020%	1153	-20+80	case ground	5.510H	1

Examples of measuring system



Use of extermal DC power supply We recommend you to use series regulator type external power supplies, which present only small power source ripples. Use of external AC power supply V3002 can supply power to two A1002 at the sametime.