Profile: N H Research, Inc. designs and manufactures power-electronics test instruments and automatic test systems. Our products are used by manufacturers in the switching power supply, UPS, computer, telecommunications, industrial controls and defense industries. Automatic Test Systems consist of complete test solutions for the functional testing of DC power supplies, UPS, and related power conversion components. Applications include high volume production testing, engineering design characterization, incoming inspection and depot repair. Test & measurement instrumentation products consist of digitally programmable AC sources, DC sources, and electronic loads designed for integration into VXIbus, IEEE-488 bus, and RS-485 bus based systems.