APP Engineering, Inc. is an OEM that specializes in the design, manufacturing and commissioning of Dynamic Monitoring Equipment. Our Multifunction Recorders have digital fault recording, sequence of event recording, continuous recording, pmu streaming, and DNP3 capabilites. Our Recorders exceed PRC-002-02 NERC requirements. For more information call us at 317-536-5300, email us at sales@appengineering.com, or see our website www.appengineering.com