Main components of an acoustic-emission diagnostic system based on EMA-4/4 / EMA-4/16 EMA devices:
EMA-4/4 and EMA-4/16 devices, having 4 or 16 acoustic-emission channels, can be used alone or can be connected together in any combination, with total number of AE channels up to 128. They are connected and synchronized together via Ethernet Expander port(s) using Ethernet patch cables. One of them – the leading device – needs powering externally from a power supply module. The AE sensors are connected to the devices via coaxial cables.
All EMA-4/4 and EMA-4/16 devices can receive signals from external parametric sensors and have digital input/outputs lines, too. For this purpose special connector adapters available.
AE sensors: For all AE channels. Piezoelectric detectors with or without built-in preamplifier and/or fixing magnet. Used with appropriate contact material/glue and fixing method when putting on the surface of the object to be inspected. Connected to the SENSOPHONE AED4xx or EMA-4 family devices via coaxial cables.
The preamplifiers are powered via the same coaxial cables and can be built-in to the sensor or to the sensor cable itself. The sensor-preamplifier pairs have sensor-test possibility.