HIOKI current sensors for signal analysis - leading the way for decades
Small currents, big insights - precise current sensors with a bandwidth of up to 120 MHz
Precise for any amperage - from 200 µA to 500 A
Measuring currents from 200 µA to 500 A with up to 120 MHz bandwidth
Every Current, Every Detail - Find Your Perfect Match
Find the perfect current sensor for your needs, from 200 µA to 500 A with bandwidths up to 120 MHz.
With fast rise times (≤2.9 ns) and high sensitivities up to 10 V/A, these sensors perform reliably excel in power electronics evaluation, signal integrity analysis, and transient measurements.
| High-sensitivity down to 200 µA / up to 120 MHz | Micro-currents down to 1 mA / up to 120 MHz | Mid-range currents down to 10 mA / up to 100 MHz | Large currents from 150 A to 500 A | |||||
|---|---|---|---|---|---|---|---|---|
| Model | 🔗 CT6711 | 🔗 CT6710 | 🔗 CT6701 | 🔗 CT6700 | 🔗 3276 | 🔗 3273-50 | 🔗 3274 | 🔗 3275 |
| Bandwidth | 120 MHz | 50 MHz | 120 MHz | 50 MHz | 100 MHz | 50 MHz | 10 MHz | 2 MHz |
| Current ranges | 0,5 A | 5 A | 30 A | 5 A | 30 A | 150 A | 500 A | |||
| Sensitivity ranges | 10 V/A | 1 V/A | 0,1 V/A | 1 V/A | 0,1 V/A | |||||
| Rise time | ≤ 2,9 ns | ≤ 7,0 ns | ≤ 2,9 ns | ≤ 7,0 ns | ≤ 3,5 ns | ≤ 7 ns | ≤ 35 ns | ≤ 175 ns |
| Suitable power supplies | 🔗 3269 | 🔗 3269 🔗 3272 | ||||||
| Maximum conductor diameter | φ5 mm | φ20 mm | ||||||
Small Currents, Big Insights - Precision from DC to 120 MHz
High-sensitivity down to 200 μA – up to 120 MHz bandwidth:CT6711 & CT6710
Two high-performance, high-sensitivity current probes, engineered to accurately monitor and analyze various current levels with the sensitivity to accurately measure weak signals down to 200 μA - available in two bandwidth options: DC to 120 MHz and DC to 50 MHz.
With three selectable current ranges - 30 A, 5 A, and 500 mA - both sensors enable to accurately monitor and analyze various current levels from micro currents to large transient surges when evaluating high-speed switching devices.
Key features
- DC to 120 MHz (CT6711) | DC to 50 MHz bandwidth (CT6710)
- 200 μA to 30 A measurable current
- 3 current ranges: 500 mA, 5 A, 30 A
Micro-currents down to 1 mA – up to 120 MHz bandwidth: CT6701 & CT6700
With a current range up to 5 A, these high-performance current probes ensure accurate signal analysis with a 1 V/A sensitivity over wide bandwidths of DC to 120 MHz (CT6701) and DC to 50 MHz (CT6700). This makes them ideal for power electronics, semiconductor testing, and mobility applications.
Key features
- DC to 120 MHz (CT6701) | DC to 50 MHz bandwidth (CT6700)
- 1 mA to 5 A measurable current
Connection is Everything: BNC – Reliable Data Transfer
No matter which model you choose: All sensors feature standard BNC output and connect effortlessly to any oscilloscope and data acquisition system for precise and reliable current measurements.
Their high-impedance signal output supports accurate waveform analysis across a wide frequency range without the need for additional signal conditioning ensuring unmatched versatility across test environments.
A Solution for Every Current – From Mid-range to Heavy
Stable measurement for mid-range currents up to 30 A and 100 MHz: 3276 & 3273-50
Both mid-range current probes deliver high sensitivity down to 10 mA and wide bandwidths of 100 MHz (3276) and 50 MHz (3273-50), ensuring precise detection of fast transients. Designed for power electronics, industrial systems, and mobility applications, these sensors provide reliable performance for both high-speed and small currents.
Key features
- DC to 100 MHz (3276) | DC to 50 MHz bandwidth (3273-50)
- 10 mA to 30 A measurable current
Large current observation from 150 A to 500 A - with high accuracy: 3274 & 3275
With a measurable continuous current up to 500 A (3275) and 150 A (3274), these sensors are built for precision and stability in high-current applications. Both current probes are ideal for monitoring power inverters, motor drives, and industrial systems, providing reliable measurement performance while overload protection safeguards against excessive currents.
Key features
3274
- DC to 10 MHz bandwidth
- Up to 150 A measureable current
3275
- DC to 2 MHz bandwidth
- Up to 500 A measurable current
Zero-Flux Current Sensors Explained: Like in “Back to the Future”?
Ever wondered how zero-flux current sensors work? This blog takes you behind the science of this cutting-edge technology - exploring its principles, applications, and why it might sound familiar. Check it out now:
Power Up Your Current Sensing!
Stable Power Supplies for Your Current Sensor Setup: 3269 & 3272
The 3269 Power Supply powers up to four sensors with 12 VDC and 2500 mA, making it ideal for multi-sensor applications, while the 3272, with 600 mA output, supports up to two sensors and offers a compact solution for lower-power needs. Both units ensure secure and stable power delivery.
Key features
3269
- Linear regulated power supply
- 2500 mA total maximum output current
3272
- 600 mA total maximum output current
High Bandwidth Current Observation with the Memory Recorder MR6000
Capture every detail of your current signals with the MR6000 Memory Recorder, engineered for high-speed, high-accuracy waveform recording. Whether you're analyzing inverter currents, power surges, or transient behavior, the MR6000 pairs with HIOKI’s zero-flux current sensors to deliver exceptional accuracy and stability.
With easy plug-and-play connectivity, the Z5021 eliminates the need for an external power unit, simplifying setup while ensuring stable and precise current waveform capture. You can connect up to 8 current probes to the MR6000 for multi-channel current measurement - perfect for power electronics testing, EV development, and industrial equipment analysis.
Key features
High-Speed Current Sensing for Precision Applications
Power Supplies & Converters (from mA to high A levels)
Optimize switching and linear power supplies, inverters, and converters with high-speed current analysis.
Semiconductor Testing (from µA to mid A ranges)
Capture precise current behavior in SCRs, IGBTs, MOSFETs, CMOS, and BJTs for efficiency and reliability
Industrial & Consumer Electronics (from mA to tens of A)
Ensure stable current flow and power integrity in high-speed electronic systems.
Mobile Communications (from µA to lower A)
Analyze RF amplifiers, satellite systems, and relay station power circuits for signal stability.
Motor Drives & Mobility Systems (from A levels to several hundred of A)
Monitor EVs, electric trains, avionics, and industrial motor drives for precise energy control and efficiency optimization.
Are Hall-based zero-flux sensors for you?
In a nutshell: Yes - if you measure lower currents, need wide-bandwidth measurement, and require a BNC connector system, this is for you.
Curious about how it compares to fluxgate-based sensors? Watch this 1-minute overview to get a quick breakdown of the key differences.