Flexible current measuring coil | Rogowski ring | 300A | D24mm 2m cable | IP67

Technical specifications

Inner diameter: 24 mm
Coil cross-section: 6 mm
Rated measurement current: 300 A
Maximum measurable current: 100 kA
Output ratio (calibrated): 22.5 mV/kA @ 50Hz, 50 mV/kA @ 50Hz
Output ratio (uncalibrated): 56 mV/kA @ 50Hz
Accuracy: 0.5% (vertical center position)
Linearity: ±0.1% of reading
Phase error: <0.5° (45Hz～65Hz)
Frequency response: 1Hz – 20kHz
Position error: <1% max.
Output offset (0A): <0.05 mV
Coil resistance: 50–250 Ω
Operating temperature: -40…+85 °C
Temperature drift:
Uncalibrated: <50 ppm/°C
Calibrated: <100 ppm/°C
Power connection: 2 m cable
Protection class: IP67

Features and characteristics

Flexible and compact design – easy to install around cables of various sizes without system shutdown.

Easy installation – the coil is attached with cable ties around the conductor or busbar.

Compatible with a variety of devices – can be connected to energy analyzers, laboratory instruments, data loggers, and DIN-rail meters.

External magnetic field shielding – ensures stable signal even in noisy industrial environments.

High environmental resistance (IP67) – dustproof and moisture-resistant.

Applications

For engineers and automation specialists: ideal for energy monitoring, current analysis with analyzers, meters, or control systems.

For electricians and technicians: suitable for equipment maintenance, protection testing, phase load balancing, and power consumption monitoring. Can be used without disconnecting the circuit, making it convenient for service tasks.

For laboratories and research: ideal for experiments requiring accurate current signal measurement over a wide frequency range.

Advantages

Extremely flexible and compact design – easy to use even in tight spaces

Shielded against external interference and magnetic fields

Easy installation and connection

No power supply required (when used with compatible analyzers)

Suitable for AC systems only

Resistant to environmental influences (IP67)

Disadvantages

Not suitable for direct DC measurement

Requires a compatible meter or analyzer with Rogowski input