Abstract: A digital data acquisition system for monitoring and remote testing of gas and steam turbine performance parameters which is light weight, portable and can be quickly installed and configured. The system comprises a set of instrumentation modules, each containing digital transmitters, connected to a local computer for data processing and storage. The modules are linked together into a local digital network by a universal cable connection which reduces the number of unique parts used in conventional systems. The modules are also connected to a computer to process the digital signals and collect testing data. Once installed, remote performance testing and data acquisition is enabled by connecting the computer to a remote computer via a network or modem connection. Remote testing eliminates the need for the test engineer to travel to a site. Testing data may be made available for remote access by customers or other interested parties.