NH Research

NH Research, Inc. (NHR) enables electrification by accelerating innovation, validation and functional test of today’s technologies. Backed by over 50 years of experience in power conversion and power supply test systems we provide world class test instruments and systems. Customers look to NHR for:

  • Best in class performance
  • Ease of use for instruments & systems
  • Modular & scalable test solutions
  • Reduced testing time
  • Improved safety
  • Energy savings

Our product portfolio includes Battery Test Systems, Grid Simulators, AC & DC Electronic Loads, AC & DC Power Sources, Power Supply Test Systems.  

We have over 50 years experience providing power electronic test solutions and support to some of the most well-recognized industry leaders worldwide including, but not limited to:

Argonne Labs, BAE, Boeing, Chrysler, EADS, Ford, General Dynamics, General Electric, General Motors, Honeywell, Lockheed Martin, Mercedes-Benz, NASA, Northrop Grumman, NREL, Oak Ridge Labs, Raytheon, Sandia, Textron, UL, & UTC

We provide performance, simplicity and flexibility. Customers can easily integrate and automate our power electronics test equipment. We reduce test development times with our total system solutions. Our wide performance ranges and modularity reduce risk and eliminate other test equipment and complexity.

Contact Details

NHR Research, Inc.

16601 Hale Avenue

Irvine, California 92606

Phone: (949) 474-3900

Contact form or Email: sales@nhresearch.com

Tweets by @NH_Research

Line Cards: 

Products

NH Research - 4312 Series Modular DC Load 120V - Modular DC Load for Charger Testing, LED Driver Testing, Solar Panel Testing, & More!

NH Research - 4312 Series Modular DC Load 120V - Modular DC Load for Charger Testing, LED Driver Testing, Solar Panel Testing, & More!

  • 3 sizes – 150, 300, & 600W @ 120V with advanced measurement capability built-in
  • Mix & match loads for maximum configuration flexibility
  • Up to 16 loads in a single, 8 3/4″ / 5U Model 4300 chassis
  • Front loaded & front connections
  • 3 voltage and 3 current ranges for improved accuracy
  • High-resolution waveform capture for analysis of dynamic transients
  • Isolated digital inputs & outputs for test fixture support
  • PC/LAN control with LabVIEW & IVI drivers

NH Research - 4350 Series Modular DC Load 500V - Modular DC Load for Charger Testing, LED Driver Testing, Solar Panel Testing, & More!

NH Research - 4350 Series Modular DC Load 500V - Modular DC Load for Charger Testing, LED Driver Testing, Solar Panel Testing, & More!

  • 3 sizes – 150, 300, & 600W @ 500V with advanced measurement capability built-in
  • Mix & match loads for maximum configuration flexibility
  • Up to 16 loads in a single, 8 3/4″ / 5U Model 4300 chassis
  • Front loaded & front connections
  • 3 voltage and 3 current ranges for improved accuracy
  • High-resolution waveform capture for analysis of dynamic transients
  • Isolated digital inputs & outputs for test fixture support
  • PC/LAN control with LabVIEW & IVI drivers

NH Research - 4600 Series AC Electronic Load - AC Load for UUT Reliability Testing, UPS Testing, Vehicle to Grid (V2G) Testing, & More!

NH Research - 4600 Series AC Electronic Load - AC Load for UUT Reliability Testing, UPS Testing, Vehicle to Grid (V2G) Testing, & More!

  • 6 sizes – 3 to 36kW, 30 – 360A, 50 – 350V
  • Single and 3-phase configurations
  • 12 high-accuracy internal measurements
  • 100-step macro for per cycle loading changes
  • User-defined waveforms
  • CC, CR, CV, CP, SC, UPF and CNL emulation modes
  • PC control using Lab VIEW and IVI drivers
  • LAN, RS232, USB communication interface
  • PC softpanel GUI with current, voltage & power waveform display

NH Research - 4700 Series DC Electronic Load - High-Current DC Electronic Load for DC-DC Converter, Power Conversion, Fuel Cells, Batteries, V2G Testing, & More!

NH Research - 4700 Series DC Electronic Load - High-Current DC Electronic Load for DC-DC Converter, Power Conversion, Fuel Cells, Batteries, V2G Testing, & More!

  • 8 sizes – 1 to 36kW @ 120 or 600V
  • High-resolution waveform capture for analysis of dynamic transients
  • 18 built-in, precision voltage, current, power and timing measurements that eliminate additional dedicated measurement instruments
  • Isolated digital inputs and outputs for test fixture support
  • PC/LAN control using LabVIEW & IVI drivers
  • Optional touch-panel user interface

NH Research - 4760 Series DC Electronic Load - High-Voltage DC Electronic Load for DC-DC Converter, Power Conversion, Fuel Cells, Batteries, V2G Testing, & More!

NH Research - 4760 Series DC Electronic Load - High-Voltage DC Electronic Load for DC-DC Converter, Power Conversion, Fuel Cells, Batteries, V2G Testing, & More!

  • 600V, 1kW / 50A to 36kW / 1800A DC Loads
  • 3 Voltage and 2 current ranges
  • High accuracy 1 kW low power range
    – 100kSamp/s waveform capture
    – Overshoot / Undershoot
    – Rise-Time / Fall-Time / Settling-Time
  • Test fixture support
    – 4 digital outputs
    – 2 digital inputs
  • Complex load profile playback
  • Multiple hardware control options
    – Manual touch-panel user interface
    – emPower™ test executive
    – PC/LAN control using LabVIEW & IVI Drivers

NH Research - 5500 Series Universal UPS Test System - Universal UPS/Inverter Test System for Testing Power Supplies with AC Outputs Found in Uninterruptable Power Supplies (UPS) & Inverters

NH Research - 5500 Series Universal UPS Test System - Universal UPS/Inverter Test System for Testing Power Supplies with AC Outputs Found in Uninterruptable Power Supplies (UPS) & Inverters

  • Digital measurement system (DMS)
    – 2 waveform digitizers
    – 2×16, 100MHz multiplexer
    – Expandable input measurement channels
  • Maximum configuration flexibility
  • Turn-key test system with included test controller
    emPower™ test executive

NH Research - 5600 Series Universal Test System - for Testing Power Supplies with DC Outputs

NH Research - 5600 Series Universal Test System - for Testing Power Supplies with DC Outputs

  • Maximum configuration flexibility with multi-bay capacity
  • Digital measurement system 2 Waveform digitizers and 2×16, 100 MHz multiplexer
  • Expandable input measurement channels
  • Common interface panel
  • emPower™ Test Executive

NH Research - 5710 Series Engineering Characterization Test System - DC Power Supply Test System for Engineering Characterization/Design Verification Testing, Power Supplies Testing, Defense Avionics Testing, & More!

NH Research - 5710 Series Engineering Characterization Test System - DC Power Supply Test System for Engineering Characterization/Design Verification Testing, Power Supplies Testing, Defense Avionics Testing, & More!

  • NEW! Tektronix MDO-Series Mixed Signal Oscilloscope
  • Unlimited voltage, current & timing measurements relative to digital signals.
  • Library of design verification test routines reduces program development time
  • Configuration flexibility

NH Research - 9200 Series Battery Emulator - Modular, Regenerative Battery Pack Emulator with Power Range from 12kW up to 21 Channels

NH Research - 9200 Series Battery Emulator - Modular, Regenerative Battery Pack Emulator with Power Range from 12kW up to 21 Channels

  • High configuration flexibility
  • Bi-directional DC Source, expandable from 12 to 252kW with 40, 120 or 600V
  • Regenerative, greater than 90% efficiency of discharge power returned to AC mains
  • Low Output Capacitance for Accurate Battery Simulation
  • Current, Voltage & Mode Transitions <1 mSec
  • Built-in digital measurements with charting & scope displays
  • Battery Emulation Mode
  • Touch Panel, LabVIEW® & IVI Drivers
  • Enerchron® Test Executive

NH Research - 9210 Series Single Channel Battery Test System - Modular, Regenerative Battery Test System for Automated Characterization Testing, Power Cycling Testing, Life-Cycle Testing & More!

NH Research - 9210 Series Single Channel Battery Test System - Modular, Regenerative Battery Test System for Automated Characterization Testing, Power Cycling Testing, Life-Cycle Testing & More!

  • Smaller footprint makes it easier to move within a lab (roughly half the size of the 9200)
  • Custom waveform/profile generation
  • Sub-mS voltage, current & mode transition times
  • Built-in digital measurements with charting & scope displays
  • Internal controller with software & connections for an external monitor & keyboard
  • Bidirectional DC Source, expandable from 12 to 252kW with 40, 120, or 600V
  • Regenerative, 87% efficiency of discharge power returned to AC mains
  • Multiple safety layers to protect battery being tested
  • Battery emulation & burn-in applications
  • Create, run, monitor, chart & report UUT profiles without writing any code

NH Research - 9220 Series Low Voltage/High Current Battery Charge/Discharge Test System - Regenerative Battery Cycler, Power Cycling, & Life-Cycle Testing of Low Voltage/High Current Batteries

NH Research - 9220 Series Low Voltage/High Current Battery Charge/Discharge Test System - Regenerative Battery Cycler, Power Cycling, & Life-Cycle Testing of Low Voltage/High Current Batteries

  • Single output up to 40V/3,600A/72kW per system
  • Parallel expansion up to 7,200A
  • Built-in digital measurements including Ah & kWh
  • Multiple safety layers to protect battery/DUT
  • SCPI, VXI-11, & LabVIEW control via LAN interface
  • NI-Compliant LabVIEW Drivers
  • Regenerative, 87% efficiency returning discharge power to facility
  • Bidirectional DC Source, Battery emulation and burn-in applications
  • Crane/hoist lifting hangers & robust casters

NH Research - 9300 Series High-Voltage Battery Test System - Modular, Regenerative Battery Test System with Power Range from 100kW up to 2.4MW

NH Research - 9300 Series High-Voltage Battery Test System - Modular, Regenerative Battery Test System with Power Range from 100kW up to 2.4MW

  • Wide Operating Envelope at 100kW per cabinet
  • Scalable to 1.2MW/4000A
  • Regenerative, greater than 90% efficiency of discharge power returned to AC mains
  • Built-in digital measurements with charting & scope displays
  • Current, Voltage & Mode transitions in <2 mSec
  • Battery Emulation Mode
  • Touch Panel, LabVIEW® & IVI Drivers
  • Enerchron® Test Executive

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  • Pressure Source and Milliamp Measurement to calibrate and maintain almost any pressure device
  • Integrated pump is easily cleaned when accidently exposed to fluids that reduces cost of ownership and repairs and enables servicing the pump in the field
  • Error % calculation for quicker pass/fail decision making in the field
  • Best in class mA accuracy of 0.015% for better measurement confidence and workload coverage
  • Min/Max/Hold to capture changing measurements
  • Switch test feature for quicker and more accurate pressure switch testing
  • New 1 and 300 psi pressure ranges mean fewer extra tools required
  • 1, 30, 100 & 300 psi ranges now available


  • Large display
  • Backlight for work in dim areas
  • Min / Max to record signal fluctuations
  • Ergonomic overmolded housing with integrated probe holders
  • Free your hands with the optional TPAK magnetic hanger
  • Auto and Manual ranging
  • Meets Measurement Category 1000 V CAT III and Category IV 600 V safety standards
The 77 IV replaces the 77. Move up to superior utility and safety today.


  • Power quality statistics according to EN50160
  • Voltage event list (dips, swells and interruptions)
  • Continuous recording of:
    • Voltage
    • Current
    • Power P, Q, S
    • Power factor
    • kWh
    • Flicker
    • Unbalance
    • Frequency
    • Voltage and current harmonics to the 50th / Interharmonics
    • THD
    • Mains signaling
  • Triggered recordings
  • Online mode (Oscilloscope, transients and events)
  • 2 GB Flash memory


  • Locates cables safely and effectively on active networks
  • Kit includes IntelliTone™ toner, probe, adapters, patch cables, and test leads
  • Verifies twisted pair installation with end to end continuity test
  • IntelliTone™ digital toning eliminates noise and false signals
  • SmartTone analog toning isolates individual wire pairs


  • Copper cable certifier for TIA category 5 through 6A, twisted-pair cabling with touchscreen project management, TIA Level IIIe accuracy, advanced troubleshooting, 8-hour battery life
  • Startup Faster & Prevent Downtime - Validate at the Machine Builder and again when commissioning the machine at the Plant and find marginal cables before they become a problem
  • Speed Troubleshooting - Avoid wasting time installing unnecessary bypass cables
  • Pass/Fail indication in 10 seconds with full measurement details
  • Supports RJ45 and M12D and M12X connectors
  • Works on cables running EtherNet/IP™, Profnet™ , ModBus TCP™ , EtherCAT and other protocols
  • Validate Cable Performance to Standards for Industrial Premises (TIA 1005-A, ISO 11801:3) Document test results with LinkWare software