Description
CT9557 Sensor Unit for Accurate Multi-Cable Current Measurement
The CT9557 Sensor Unit by Hioki is engineered for high-precision current measurement in complex electrical systems. Designed to work seamlessly with Hioki’s pass-through current sensors and clamp-on probes, including the CT684x, CT686x, and 9709 series, this 4-channel unit enables aggregation of multiple sensor signals into a single output. This functionality is critical when measuring large currents distributed across multi-cable circuits, simplifying the measurement process and improving data reliability.
Aggregation and Single-Output Functionality
With the CT9557, each connected sensor attached to separate cables contributes to an aggregate signal. The unit combines these signals into one waveform or RMS output, allowing engineers to treat multiple sensors as a single measurement point. This eliminates the need for multiple meters or repeated measurements, enhancing efficiency and reducing complexity in testing high-current, multi-conductor systems.
High-Precision Power Supply
The CT9557 also functions as a dedicated power adapter for high-precision current sensors equipped with waveform output functionality. This ensures that connected sensors operate with optimal accuracy, delivering precise measurements for waveform analysis and RMS evaluation.
Applications
The CT9557 is ideal for:
- Large current measurement in multi-cable circuits
- Integration with Hioki Power Meters, Memory HiCorders, and high-performance oscilloscopes
- Industrial testing setups requiring aggregated sensor outputs
- EV and hybrid vehicle battery system evaluations
- Renewable energy system testing where multi-line current measurement is essential
By combining precision, flexibility, and aggregation functionality, the CT9557 streamlines high-current measurement workflows and ensures accurate, reliable data for research, testing, and industrial applications.
Technical Specifications Table
| Specification | Details |
| Product Name | CT9557 Sensor Unit |
| Channels | 4-channel sensor unit |
| Compatible Sensors | CT684x, CT686x series, 9709 |
| Functionality | Aggregate input waveforms into single output |
| Output Type | Combined waveform and RMS output |
| Applications | Multi-cable current measurement, high-current testing, EV and renewable energy evaluation |
| Instrument Compatibility | Hioki Power Meters, Memory HiCorders, Oscilloscopes |
| Power Supply | Supplies power to high-precision sensors with waveform output |
| Model Number | CT9557 |
| Connector Type | ME15W connector |
| Standalone Use | Cannot be used alone |
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