The Keysight N2781B Current Probe is a high-performance accessory designed for oscilloscopes, enabling accurate AC and DC current measurements across a wide range of applications. With its Hall Effect sensor technology, this probe delivers reliable readings from 20 mA up to 300 A, with a bandwidth of 10 MHz and a maximum voltage rating of 600 V. Its 20 mm probe diameter allows for easy clamping around conductors, making it a versatile tool for engineers and technicians.
Key Features & Highlights
- Hall Effect Sensor Technology: Provides accurate measurement of both AC and DC currents without breaking the circuit.
- Wide Measurement Range: Measures from 20 mA to 300 A, covering low-level signals to high-power applications.
- High Bandwidth: 10 MHz bandwidth ensures faithful reproduction of fast current waveforms.
- High Voltage Rating: Rated for up to 600 V, suitable for many power systems.
- Compact and Flexible Design: The 20 mm probe head is easy to position in tight spaces.
- Complete Package: Includes user manual and calibration certificate for immediate use.
Applications
The Keysight N2781B is ideal for power electronics design, automotive testing, and industrial troubleshooting. It is commonly used to measure motor drive currents, power supply outputs, and other high-current signals where accuracy and safety are paramount.





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