Flexible current measuring coil | Rogowski ring | 500kA | D150mm | L-565mm | 2m cable | IP55

Technical specifications

Inner diameter: 150 mm
Coil cross-section: 12 mm
Measurement range: up to 500 kA

Coil resistance: 540 (+/-10) Ω 

Linearity: ±0.2%
Phase error: ≤0.5°
Accuracy: <0.5% (calibrated, 25°C, central position)
Bandwidth (−3 dB): 1 Hz – 5 kHz
Ratio (calibrated): 333 mV/kA @ 50 Hz; 150 mV/kA @ 50 Hz; 100 mV/kA @ 50 Hz; 50 mV/kA @ 50 Hz
Temperature resistance: −40°C … +80°C
Insulation: 3000 V (coil), 1000 V (cable)
Protection rating: IP65
Cable length: 2 m
Enclosure protection: IP55
Materials: Thermoplastic rubber housing (UL 94 V-0), flame-retardant PP fastening
Certifications: CE, RoHS 2.0, LVD EN 61010-1:2010, EMC EN 61326-1:2013
Safety category: CAT III 1000 V / CAT IV 600 V

Functions and features

Flexible and compact design – can be mounted around cables of various sizes without disconnecting the system.

Easy installation – coil attaches around the conductor or busbar.

Compatible with various devices – suitable for energy analyzers, laboratory instruments, data loggers, DIN rail meters.

Accurate AC current measurement.

Applications

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

For electricians and technicians: used for equipment maintenance, protection testing, phase load balancing, and energy consumption monitoring. Can be applied without interrupting the circuit – ideal for maintenance work.

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

Advantages

Flexible and compact design – convenient to use

Easy installation and connection

Wide range of applications

Dust- and moisture-resistant

Disadvantages

Does not measure direct (DC) current

Lower mechanical damage resistance