Current Sensors
detect AC or DC electrical current.
See Also: Current Probes, SQUID, Voltage Sensors, Rogowski
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Product
DC Coupled Current Probe
34134A
High Current Probe
Measure a wide range of applications with this battery-powered, clamp-on probe; use with DMMs or voltmeters
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Product
Power Sensor and SNS Noise Source Cable (6.1m/20 feet)
11730C
Power Sensor
The Keysight 11730 series power sensor cables are used with the 8480 and E-series power sensors (except the E9320 family of peak and average sensors). These cables are designed to reduce RFI effects on low power readings with an improved shielding design in the cable itself. Cables may be ordered individually or in pairs in any combination desired for single and dual-channel measurements.
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Product
NI-9208, 500 S/s, ±20 mA, 16-Channel C Series Current Input Module
780968-02
Current Input Module
500 S/s, ±20 mA, 16-Channel C Series Current Input Module - The NI‑9208 is designed with industrial systems in mind. It includes a high-resolution mode with 50/60 Hz rejection to remove low frequency noise. It has high-channel density to reduce the number of modules needed, which leaves slots open for other measurement types or for reducing the overall per channel cost of the system. The NI‑9208 uses a standard D‑SUB connection for use with cables and connector blocks.
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Product
Clamp Meters
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An electrical testing tool that integrates a basic digital multimeter with a current sensor. Clamps measure current.
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Product
3U OpenVPX Sensor Interface Unit
SIU34
Sensor Interface Unit
The SIU34 is a highly configurable rugged system or subsystem ideally suited to support a multitude of Mil-Aero applications that require high-density I/O, communications, Ethernet switching and processing. The SIU34 leverages NAI’s 3U OpenVPX™ boards to deliver off-the-shelf solutions that accelerate deployment of SWaP-optimized systems in air, land and sea applications.
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Product
NI-9265, 4-Channel C Series Current Output Module
783733-01
Current Output Module
4-Channel C Series Current Output Module - The NI‑9265 is ideal for interfacing and controlling industrial current-driven actuators at high rates. The module has built-in open-loop detection, which generates an interrupt in software when an open loop is detected as well as zeroing outputs to ensure safety and avoid driving actuators at system power on. The NI‑9265 requires an external power supply and includes a channel‑to‑earth ground double isolation barrier for safety and noise immunity.
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Product
10 MHz To 54 GHz LAN Wide Dynamic Range Average Power Sensor
L2056XA
Power Sensor
Accurately measure any modulated signal with the Keysight Technologies, Inc. U/L2050/60 X-Series wide dynamic range power sensors. The USB/LAN connectivity models come with a wide dynamic range, covering -70 to +26 dBm. This sensor offers very accurate and repeatable power measurements for any modulated signal and comes with a super-fast measurement speed of 50,000 readings/sec, which enables higher manufacturing throughput. Users can also save time and reduce measurement uncertainty with the internal zero and calibration function. The U/L2050/60 X-Series is supported by the Keysight BenchVue software. BenchVue makes it easy to control your power meter to log data and visualize measurements in a wide array of display options without any programming. Simply connect the sensor to your PC installed BenchVue BV0007B Power Meter/Sensor Control and Analysis app to perform average power measurement and analysis.
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Product
NI-9208, 500 S/s, ±20 mA, 16-Channel C Series Current Input Module
780968-01
Current Input Module
500 S/s, ±20 mA, 16-Channel C Series Current Input Module - The NI‑9208 is designed with industrial systems in mind. It includes a high-resolution mode with 50/60 Hz rejection to remove low frequency noise. It has high-channel density to reduce the number of modules needed, which leaves slots open for other measurement types or for reducing the overall per channel cost of the system. The NI‑9208 uses a standard D‑SUB connection for use with cables and connector blocks.
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Product
High-Voltage Differential Probe, 70 MHz
N2891A
High Current Probe
Use the N2891A 70-MHz high-voltage differential probe to make safe and accurate floating measurements with an oscilloscope. The N2891A differential probe allows conventional earth-grounded Keysight oscilloscopes to be used for floating signal measurements of up to ±7000 V of differential and common mode voltage.
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Product
NI-9203, 200 kS/s, ±20 mA, 8-Channel C Series Current Input Module
783731-01
Current Input Module
200 kS/s, ±20 mA, 8-Channel C Series Current Input Module - The NI‑9203 is intended for high-performance control and monitoring applications. It features programmable input ranges and variable connectivity options. To protect against signal transients, the NI‑9203 … includes a channel‑to‑earth ground double‑isolation barrier (250 Vrms isolation) for safety and noise immunity.
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Product
E-Series Average Power Sensor
E9304A
Power Sensor
Refer to the E9301A for standard power sensor features Low frequency coverage (9 kHz to 6 GHz) for EMC/EMI test applications such as the radiated immunity test (IEC61000-4-3)High sensitivity (-60 to +20 dBm) and fast measurement speed to reduce the time taken to calibrate radiated field uniformity and EMC/EMI test receivers Measure transmitter power and receiver sensitivity at Very Low Frequency (VLF) to microwave frequencies Special option available to 18 GHz Compatible with EPM (new N1913A/ 14A, E4418B/ 19B), EPM-P (E4416A/ 17A) and P-series (N1911A/ 12A) power meters
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Product
DC/10 MHz – 33 GHz USB Thermocouple Power Sensor
U8485A
Power Sensor
The U8480 series is the fastest USB thermocouple sensor in the world without compromising the best in class linearity of the legacy 8480/N8480 series thermocouple sensors, all in a compact USB based form factor.
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Product
NI-9203, 200 kS/s, ±20 mA, 8-Channel C Series Current Input Module
779516-01
Current Input Module
200 kS/s, ±20 mA, 8-Channel C Series Current Input Module - The NI‑9203 is intended for high-performance control and monitoring applications. It features programmable input ranges and variable connectivity options. To protect against signal transients, the NI‑9203 includes a channel‑to‑earth ground double‑isolation barrier (250 Vrms isolation) for safety and noise immunity.
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Product
PXIe-4464 , 204.8 kS/s, 119 dB, 6 Gains, AC/DC-Coupled, 4-Input PXI Sound and Vibration Module
783087-01
Analog Input Module
204.8 kS/s, 119 dB, 6 Gains, AC/DC-Coupled, 4-Input PXI Sound and Vibration Module—The PXI‑4464 delivers simultaneous sampling on all channels. In addition, the PXI‑4464 includes built-in antialiasing filters that automatically adjust to your sampling rate, six software-selectable input gains ranges, and TEDS smart sensor support for error-free setup. The IEPE excitation circuit can deliver current for high-power sensors and strong data integrity over long sensor cable runs.
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Product
USB Power Sensor, 50 MHz to 24 GHz
U2002H
Power Sensor
Measure average power over the frequency range 50 MHz to 24 GHz and power range -50 dBm to +30 dBm.
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Product
CP400X, 400 MHz, ±60 V, 10X Attenuation, Single-Ended Passive Oscilloscope Probe
784254-01
High Current Probe
The CP400X is a coaxial passive probe with fixed 10X attenuation for oscilloscopes that provide 1 MΩ input impedance. It is 2 meters in length. The CP400X attaches to BNC connections on both the signal input and instrument sides.
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Product
NI-9207, 500 S/s, 16-Channel C Series Voltage and Current Input Module
781068-02
Current Input Module
500 S/s, 16-Channel C Series Voltage and Current Input Module - The NI‑9207 is a combination voltage and current input module designed with industrial systems in mind. It features eight current and eight voltage input channels, with built-in noise rejection.
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Product
N2782B AC / DC Current Probe, 50 MHz, 30 Arms
N2782B
High Current Probe
The N2782B current probe is an accurate and reliable solution for measuring AC and DC currents. Using a hybrid technology that includes a Hall effect sensor and an AC current transformer, the probe provides accurate measurement of DC or AC currents up to 30 Arms continuous.
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Product
Power Sensor and SNS Noise Source Cables (3 m/10 feet)
11730B
Power Sensor
The Keysight 11730 series power sensor cables are used with the 8480 and E-series power sensors (except the E9320 family of peak and average sensors). These cables are designed to reduce RFI effects on low power readings with an improved shielding design in the cable itself. Cables may be ordered individually or in pairs in any combination desired for single and dual-channel measurements.
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Product
NI-9247, 50 kS/s/ch, 50 Arms, 147 Apk, 24-Bit, 3-Channel C Series Current Input Module
783589-01
Current Input Module
50 kS/s/ch, 50 Arms, 147 Apk, 24-Bit, 3-Channel C Series Current Input Module - The NI‑9247 is designed to support direct ring lug connectivity to the three-phase high-current measurements of 1 A and 5 A current transformers (CTs). It is optimized for power, energy, and industrial applications. The safety features, certifications, input ranges, overvoltage ranges, and connectivity are well suited for applications such as power quality monitoring and metering, utility pole-mounted smart switches, utility pole-mounted smart grid reclosers, substation merging units, industrial machine measurements, health monitoring, predictive maintenance and prognostics, and phasor measurement units (PMUs).
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Product
Air Sensor
E1738A
Environmental Sensor
The Keysight E1738A environmental sensor measures air pressure, temperature and humidity. The sensor detects and automatically compensates for operating environment changes when used with the 5530 Laser Calibration System. The result is improved overall system accuracy.
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Product
NI-9227, 50 kS/s/ch, 5 Arms, 24-Bit, 4-Channel C Series Current Input Module
781099-01
Current Input Module
50 kS/s/ch, 5 Arms, 24-Bit, 4-Channel C Series Current Input Module - The NI‑9227 was designed to provide high-accuracy measurements to meet the demands of data acquisition and control applications. It includes built-in anti-aliasing filters. When used with a C Series Voltage Input Module, the NI‑9227 can measure power and energy consumption for applications such as appliance and electronic device test. You can not only measure and meter current and power but also look at quality factors such as noise, frequency, and harmonics.
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Product
Thermocouple Power Sensors
N8486AQ
Power Sensor
N8480 Series Power Sensors are the replacement solutions for 8480 Series Power Sensors.
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Product
Thermocouple Power Sensors
N8486AR
Power Sensor
N8480 Series Power Sensors are the replacement solutions for 8480 Series Power Sensors.
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Product
Standard - 1.44 (41.00) - 4.50 (128.00) High Current Probe
HCP-13A
High Current Probe
Current Rating (Amps): 15Average Probe Resistance (mOhm): 25Test Center (mil): 125Test Center (mm): 3.18Full Travel (mil): 250Full Travel (mm): 6.35Recommended Travel (mil): 167Recommended Travel (mm): 4.24Mechanical Life (no of cyles): 250,000Overall Length (mil): 1,300Overall Length (mm): 33.02
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Product
10 MHz - 18 GHz USB Power Sensor
U2000A
Power Sensor
U2000-series USB Average Power Sensor enable fast, simple setup by providing plug-and-play USB connectivity and by eliminating the need for a separate power meter.
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Product
E-Series Peak and Average Power Sensor, 50 MHz to 18 GHz
E9326A
Power Sensor
The E9326A power sensor has a 1.5 MHz video bandwidth and is ideal for time-gated peak, average and peak-to-average ratio power measurements on TDMA and CDMA wireless formats such as Bluetooth.
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Product
10 MHz To 50/53 GHz LAN Wide Dynamic Range Average Power Sensor
L2055XA
Power Sensor
The Keysight L2055XA is a fast, accurate and wide dynamic range 10 MHz – 50/53 GHz LAN average power sensor.
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Product
Brute Hight Current Probes
P4301
High Current Probe
Current Rating (Amps): 50Current Rating Remark: 40 Amps for BeCu plungersAverage Probe Resistance (mOhm): 5Test Center (mil): 300Test Center (mm): 7.62Full Travel (mil): 250Full Travel (mm): 6.35Recommended Travel (mil): 167Recommended Travel (mm): 4.24Mechanical Life (no of cyles): 1,000,000Overall Length (mil): 1,750Overall Length (mm): 44.45
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Product
E-Series Peak and Average Power Sensor, 50 MHz to 6 GHz
E9321A
Power Sensor
The E9321A power sensor has a 300 kHz video bandwidth and is ideal for time-gated peak, average and peak-to-average ratio power measurements on TDMA wireless formats such as NADC, GSM and EDGE.





























