

Keysight
Keysight N7974A Advanced Power System, 80 V, 25 A, 2 kW, N7900 Series
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Key specs from the product description
- Series
- N7900 Advanced Power System (dynamic DC power supply)
- Output voltage
- 0-80 V
- Output current
- 25 A
- Output power
- 2 kW (2000 W)
- Command processing time
- <2 ms
- Programming speed
- Up to 500 µs (up/down)
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Datasheets & manuals
Keysight N7974A Advanced Power System
Overview
Built for automated test systems, the N7974A sources and measures simultaneously with two measurement modes: averaged DMM-quality readings and a digitizer mode that captures dynamic current profiles with an 18-bit current digitizer sampling up to 200 kS/s. Seamless ranging moves between two current measurement ranges without discontinuity, tracking loads from microamps to amps, and built-in power, peak power, amp-hour and watt-hour calculations simplify storage and efficiency measurements.
The supply continuously sinks up to 10% of its rated current on its own, or the full rated power indefinitely when paired with an N7909A power dissipator, which suits battery and power-storage cycling work. Output lists step through timed or triggered voltage and current levels, smart triggering adds level and logical trigger expressions with precision delayed outputs, and the optional black box recorder (N7908A / Option BBR) logs power events in non-volatile memory. Multiple APS units parallel up to 10 kW, and the 2 kW models occupy a 2U full-rack footprint.
Features
- 80 V, 25 A, 2 kW output in the N7900 dynamic DC power supply family
- Command processing time under 2 ms; up/down programming up to 500 µs
- 18-bit current digitizer with up to 200 kS/s sampling and level triggers
- Seamless ranging measures microamps to amps without data discontinuity
- Sinks up to 10% rated current alone, 100% with the N7909A power dissipator
- Output lists and smart triggering with level, logical and delayed triggers
- Built-in paralleling up to 10 kW in a 2U full-rack footprint
Applications
- High-throughput ATE power testing for production lines
- Power-storage and battery characterization with continuous source and sink
- Inrush and dynamic current profile capture on prototype designs
Keysight N7974A Advanced Power System Technical Specifications
| Series | N7900 Advanced Power System (dynamic DC power supply) |
|---|---|
| Output voltage | 0-80 V |
| Output current | 25 A |
| Output power | 2 kW (2000 W) |
| Command processing time | <2 ms |
| Programming speed | Up to 500 µs (up/down) |
| Current digitizer | 18-bit, up to 200 kS/s |
| Sink capability | 10% rated current standalone; 100% with N7909A |
| Paralleling | Built-in, up to 10 kW |
| Footprint | 2U full rack |
Manufacturer information: Keysight APS N6900/N7900 series datasheet (PDF).
Price $11,886.00 USD as listed on 05 Nov 2026. Request a firm quote: https://na.indomultimeter.net/products/keysight-n7974a-advanced-power-system-80-v-25-a-2-kw-n7900-series
Shipping. We ship worldwide. See the shipping policy.
Documents. Instruments ship with calibration documentation traceable to national standards. Some models, such as the Mensor CPG2500, also ship with an A2LA accredited ISO/IEC 17025 certificate.
Warranty. See the warranty policy.
Before you order
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Instruments ship with calibration documentation traceable to national standards. Ask in your request if you need a specific certificate.
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We ship worldwide. Put your destination country in your enquiry and we confirm delivery with your quote.
What if it arrives defective, damaged or wrong?
You get a 30-day money-back guarantee for items that arrive defective, damaged or wrong. See the refund policy.