Which oscilloscopes are compatible with VASO ACP series current probes?

The ACP series uses a patented replaceable adapter design that is fully compatible with all oscilloscope interfaces from the 1st generation to the 3rd generation across all major brands. When switching oscilloscope platforms, only the adapter needs to be replaced to maintain full compatibility.

What are the key features of VASO ACP series current probes?

The ACP series features an exclusive patented connector that enables direct power supply from the oscilloscope and automatic attenuation ratio configuration. This eliminates the need for external power adapters and manual attenuation settings, simplifying test wiring and setup. The replaceable adapter system also protects test equipment investment when switching oscilloscope platforms.

What industry pain points do VASO ACP current probes solve?

The ACP series addresses four major pain points: (1) A new-generation structural sensor design is robust and durable, solving the fragility of traditional high-frequency current sensors. (2) The -40℃ to +85℃ operating range far exceeds the 0℃ to +50℃ limitation of conventional probes. (3) Extremely low insertion impedance prevents sensor overheating, enabling long-duration high-current testing without frequency derating. (4) The product can be customized for high-bandwidth and high-current scenarios according to user requirements.

How do I select the right current probe bandwidth for my application?

The core principle is that probe bandwidth should be 3 to 5 times the maximum frequency of the measured signal. The overall system bandwidth is determined by the lower of the probe and oscilloscope bandwidth; probe bandwidth should reach at least 80% of oscilloscope bandwidth — for example, a 500MHz oscilloscope requires a probe with at least 400MHz bandwidth. Higher bandwidth does not always mean better performance; rise time, noise performance and current range must also be evaluated together.

What is the right way to balance bandwidth and current range when selecting a current probe?

High-bandwidth probes of 100MHz and above generally have small current ranges of 50A or below. High-current probes of 100A and above are typically limited to bandwidths of 50MHz or below. The selection standard is sufficient bandwidth plus a current range that covers peak current with a 20%–30% margin. For low-frequency applications such as 1kHz, a 10MHz probe is sufficient and avoids RF noise from excess bandwidth. For high-frequency applications, prioritize probes with frequency flatness within ±1dB and resonance peaks outside the working frequency band.

What applications are VASO current probes used in?

VASO ACP series current probes are used across six major sectors: new energy vehicles (battery management, motor drive, powertrain validation), industrial automation (servo motor control, inverter testing, predictive maintenance), avionics (power system validation, MIL-spec testing), power systems (grid-connected inverter testing, UPS validation, power quality analysis), EMC testing (conducted emission measurement, transient immunity evaluation), and power electronics R&D (switching converter waveform capture, circuit debugging, energy efficiency evaluation).

AC DC Current Probe

An AC/DC current probe is a test tool that measures both alternating current and direct current by sensing the magnetic field around a wire.

ACP3000

ACP1000

ACP300

Customized

Cover peak currents ranging from 1A to 3000A (or even higher currents)

New Energy Vehicles

Battery management system validation, motor drive current analysis, power electronics efficiency testing for EV/HEV powertrain development.

Industrial Automation

Servo motor control verification, inverter performance testing, industrial equipment commissioning and predictive maintenance diagnostics.

Avionics

High-reliability power system validation, avionics bus current monitoring, MIL-spec testing and certification support.

Power Systems

Grid-connected inverter testing, UPS system validation, power quality analysis and smart grid component qualification.

EMC Testing

Conducted emission measurement, transient immunity evaluation, pre-compliance and full compliance current probe setups.

Power Electronics R&D

Switching converter waveform capture, magnetic component characterization, circuit debugging and energy efficiency evaluation.

FAQ

1. Which oscilloscopes are compatible with the ACP series current probes?

Featuring a replaceable adapter design with proprietary technology, this product is fully compatible with all oscilloscope interfaces from the 1st generation to the 3rd generation.

2. What are the features of the ACP series current probes?

Equipped with an exclusive patented connector design, the probe is directly powered by the oscilloscope and supports automatic attenuation ratio configuration. Compared with conventional current probes that require an external power adapter and manual attenuation setting, our product greatly simplifies test wiring and streamlines measurement setup procedures. When switching to a different oscilloscope platform, only a simple adapter replacement is needed for compatibility, effectively maximizing and protecting your test investment.

3. What industry pain points does the ACP series current probe solve?

1.Adopting a new-generation structural sensor design with robust and durable construction, it addresses the common industry issue of fragile traditional high-frequency current sensors. 2.The entire unit supports a wide operating temperature range from -40℃ to +85℃, breaking the limitation of traditional high-frequency AC/DC current probes that only operate within 0℃ to +50℃. 3.Extremely low insertion impedance ensures no sensor overheating, enabling long-duration high-current testing with no frequency derating during high-frequency measurements. 4.This product can be customized for high bandwidth and high current scenarios according to user requirements.

4. Key parameters for current probe selection

Core considerations include bandwidth, current rating, measurement accuracy, jaw opening diameter and operating environmental conditions.

5. How to select the appropriate bandwidth for a current probe?

The core principle of bandwidth selection: the probe bandwidth should be 3 to 5 times the maximum frequency of the measured signal. Comprehensive evaluation shall be made combining rise time, oscilloscope matching, noise performance and current range. Higher bandwidth does not always mean better performance.

6. Critical matching rules & common pitfalls for current probe selection

Oscilloscope Bandwidth Matching
The overall measurement system bandwidth is determined by the lower bandwidth value between the probe and the oscilloscope.
It is recommended that the probe bandwidth reaches at least 80% of the oscilloscope bandwidth.
Example: A 500MHz oscilloscope requires a probe with ≥400MHz bandwidth.
Balance between Bandwidth and Current Range
High-bandwidth probes (100MHz and above): Generally with a small current range (≤50A).
High-current probes (≥100A): Usually limited to lower bandwidth (≤50MHz).
Selection standard: Sufficient bandwidth + current range covering peak current with 20%~30% margin.
Noise Suppression
Low-frequency applications (e.g. 1kHz): A 10MHz bandwidth probe is sufficient to avoid RF noise introduced by excessive high bandwidth.
High-frequency applications: Prioritize probes with excellent frequency flatness (within ±1dB) and resonance peaks outside the working frequency band.