I. Model and Dimensions

Model Circumference (mm) Inner Diameter (mm) Weight (g) Coil Cross-section (mm) Coil Resistance (Ω) Signal Line Length
ZRC-50 214 50 100-120 8 50-250 Default 2m, Customizable
ZRC-100 375 100 100-120 8 50-250 Default 2m, Customizable
ZRC-150 535 150 100-120 8 50-250 Default 2m, Customizable

II. Electrical Performance Parameters
Parameter Item Technical Specifications
Rated / Maximum Current ≤100kA / 100kA
Output Ratio (@50Hz)
Calibrated: 50/85/100±0.5% mV/kA
Uncalibrated: 108±5% mV/kA
Internal Resistance Temperature Drift Coefficient Uncalibrated: 200ppm/℃ (Actual Measurement)
Calibrated: 50ppm/℃ Position Error ±1%
Zero Drift (OA Output) ≤0.1mV
Angle Difference ≤0.5°
Linearity ±0.2%
Bandwidth (-3dB) 1Hz-50kHz
Operating Temperature -30℃~80℃
Storage Temperature -40℃~90℃

III. Compatibility and Features Compatible Equipment: Compatible with the entire series of power quality analyzers and multi-function meters such as ME437, MQ31, Mi550, and ME440; can be used with the DA01 integrator. Core Features: Large inner diameter for thick cables/copper busbars, ultra-large current range, excellent linearity, strong anti-interference, customizable size, sensitivity, and cable length. Applicable Scenarios: Power fault monitoring, high-current switchgear, electric furnace , current, capacitor discharge, harmonic monitoring, etc.

IV. Horizontal Comparison within the Same Series
Series Bandwidth Maximum Range, Inner Diameter Range, Applicable Scenarios
ZRC 1-50kHz 100kA 50-150mm Large conductor, ultra-high current power frequency/harmonic measurement
Y-FCT 1-100kHz 100kA 50-240mm Conventional high current, wideband measurement
H-FCT 1-50MHz 1000kA Customized High frequency, transient, pulse ultra-high current measurement