CLCE-452 V2

400 MHz RF Current Probe

The CLCE-452 V2 RF Current Probe is designed for conducted emission and immunity testing, accommodating cable bundles up to 2 inches in diameter. Its split-core ferrite design with hinged enclosure allows easy and convenient placement of cables compared to non-split-core probes. The probe measures current inductively by clamping around the cable, operating as a toroidal transformer, where the cable acts as the primary and the probe as the secondary. The output voltage is measured across a 50 Ω input and converted to current using the probe’s transfer impedance.

Datasheet

Features

Key capabilities and advantages

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Wide Frequency Range from 9 kHz to 400 MHz for versatile EMC and RF compliance testing.
Large 2-inch aperture fits thick cable bundles up to 52 mm in diameter.
Split-core design enables easy, non-intrusive clamping around active power and signal lines.
Compliance-ready for CISPR 15/25/32, IEC 61000-4-6, MIL-STD-461G, and RTCA DO-160 standards.
NIST-traceable calibration included; ISO 17025 accredited calibration available upon request.
High current handling supports 200A DC, 100A AC (50/60 Hz), and 2000A surge pulses.
Compatible with Com-Power’s FCLCE-452 Calibration Fixture and SPA-932TG Spectrum Analyzer.
Lightweight and rugged construction (1.5 lbs) for durability in lab and field use.
Accurate transfer impedance and insertion loss performance for precise EMI measurements.
Backed by a three-year manufacturer warranty for long-term testing reliability

Specification

Technical specifications and parameters

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Frequency Range	9 kHz to 400 MHz
Aperture (Inner Diameter)	2 inches (52 mm)
Outside Diameter	4.9 inches (125 mm)
Height	1.4 inches (36 mm)
Width	5.9 inches (150 mm)
Weight	1.5 lbs (0.68 kg)
Connector Type	Type-N (female)
Transfer Impedance	0.8Ω nominal (see graph)
Insertion Loss	36 dB nominal (see graph)
Max Current Capacity	200A DC, 100A AC (50/60 Hz), 2A RF, 2000A (8/20 µs pulse)