The CR9000C was our "compact" version of the CR9000. The CR9000C was a modular, multiprocessor system that provided precision measurement capabilities in a rugged battery-operated package. Its Base Systems included CR9031 CPU module, CR9041 A/D module, CR9011 power supply module, 2 Mbytes SRAM memory, 2 Mbytes Flash Memory, power supply module, and PC9000 Support Software for Windows. The on-board, BASIC-like programming language included data processing and analysis algorithms. The CR9000C held up to five of user-selected modules at a time. The CR9000C also included a non-corrosive, sealed, aluminum enclosure that provided protection from water, dust, and most environmental pollutants.