Can be provided with Sequence of Events Recorder (SER) and Digital Fault Recorder (DFR)The APR64 system is totally modular and expandable, as the following modules can be added: analog/digital channels with local/remote acquisition through optical fibre, relays, synchonisation. The APR64 samples analog and digital signals at 6400Hz or 12800Hz (50Hz network) and 7680Hz or 15600Hz (60Hz network).Measurement accuracy is guaranteed at 0.1% full scale. The 24 bit A/D converter provides very high resolution.The APR64 does not require any maintenance. Storage is performed in the static memory and no fan is needed as the APR64 is a low power product.