The Yokogawa F3NC34-0N is a high-precision, flexible AC current probe (often called a Rogowski coil) designed for use with Yokogawa's power analyzers and scopes (such as the WT Series, PX8000, or DL Series oscilloscopes).
Key Parameters / Specifications
Parameter Specification Notes / Explanation
Model F3NC34-0N
Type Flexible AC Current Probe (Rogowski Coil) Outputs a voltage signal proportional to AC current.
Rated Input (IR) 200 A AC The standard current for rated output.
Maximum Input 500 A AC (peak) The absolute maximum current that can be measured.
Output Voltage ±0.65 V (for rated input) A 200 A AC input will produce a 0.65 V AC output.
Ratio / Sensitivity 307.7 A / 1 V (200 A in → 0.65 V out) The conversion ratio to be configured on the connected instrument.
Basic Accuracy ±1.0% of rdg ±0.02% of F.S. (50/60 Hz) Accuracy is highest at power line frequency.
Frequency Bandwidth 0.06 Hz ~ 5 MHz (DC to 5 MHz) Extremely wide range, suitable for very fast transients.
Phase Error ±1.0° (45 Hz ~ 66 Hz) Critical for accurate power measurements.
Output Connector BNC connector Standard connector for analog signals.
Core Diameter (Loop) 34 mm (can be looped) The flexible coil can be formed into a loop of this diameter.
Conductor Size Max. 30 mm diameter The maximum diameter of the conductor it can wrap around.
Safety Rating CAT III 300 V Rated for measurements on three-phase distribution systems.
Operating Temperature 0 °C to 50 °C (32 °F to 122 °F)