Profile: Macrodyne, Inc. specializes in power recording instruments. Our product line includes model 1690, 1692, 1692C, 1698 and 1698E. Our phasor measurement systems for real-time data acquisition and control provides instant access to this information providing new opportunities to understand and improve the performance of power systems. Our integrated recording units for transient fault and long term disturbance events is featured a 16-bit A/D converter per channel & advanced digital filtering techniques to provide outstanding recording fidelity. The adaptive anti-aliasing filter rejects out-of-band signals to further ensure a high degree of accuracy. The input channels are DC coupled so that transducers may be monitored and offset currents properly recorded.