Couplers for acoustic emission, Piezotron, 1-channel / 5125C

These AE-Piezotron couplers with built-in RMS converters and alarm switches have been specially designed for the processing of high frequency sound emission signals from Kistler AE-Piezotron sensors. In the case of standard Types 5125C2 and 5125C3, the unit is delivered with a gain set to x10, while the gain can be set with jumpers to x1, x100, or x1000 by the user depending on the signal amplitude. In the case of the IS/ATEX version, this must be configured upon order and cannot be changed later. The amplifier has two series of connected second order filters defaulted with a 50 kHz high-pass filter and a 1 MHz low-pass filter. In the cases of standard version Types 5125C2 and 5125C3, the low-pass and high-pass filters can be modified by plugging in alternate filters. The integration time constant of the RMS converter can be freely selected by the user and has a default value of 1.2 ms as delivered. In the case of the ATEX/IS version, the RMS time constant must be configured upon order and cannot be modified by the user.