Hermetic Rogowski Coil Integrator | 600 A | 50 mV/kA | 4–20 mA | IP68 | For AC Current Measurement | S9.4

Technical Specifications

Type: Rogowski coil integrator (hermetically sealed)
Model: S9.4
Rated current: 600 A
Output signal: 4–20 mA
Coil transfer ratio: 50 mV/kA
Measurement accuracy: ±0.5% (from 1% to 100% of rated current)
Frequency range: 5 Hz – 20 kHz
Power supply: 12 V DC
Protection class: IP68 (hermetic, suitable for outdoor use)
Measurement type: AC current only
Design note: The integrator is fixed to the Rogowski coil and becomes inseparable

Functions

Integration of the Rogowski coil signal and conversion to a standard 4–20 mA output

Hermetic IP68 design – suitable for outdoor and humid environments

Stable operation over a wide frequency range

Ability to select the rated current according to the specific application

Compatible with PLCs, controllers, and industrial analog inputs

Applications

Home / advanced user:
Monitoring currents of power equipment or systems, reliable measurement in humid or outdoor conditions

Electrician:
Electrical panels, busbars, distribution nodes, outdoor or technical room installation without additional enclosures, fast and safe non-invasive current measurement

Engineer / automation specialist:
Industrial, energy, and infrastructure projects, integration with PLC, SCADA, and BMS systems via 4–20 mA, long-term measurement points in harsh environments

Advantages

IP68 hermetic sealing – suitable for outdoor and humid conditions

Standard 4–20 mA output – industrial standard

High measurement accuracy

Wide frequency range up to 20 kHz

Limitations

Single rated current (no switching)

Integrator and coil are inseparable

Designed for AC current measurement only

Coil transfer ratio must be precisely selected in advance