400 MHz RF Current Probe

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CLCE-452 V2

9 kHz to 400 MHz

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CLCE-452 V2 RF Current Probe with 52mm aperture for EMC and BCIP testing, 9 kHz to 400 MHz frequency

400 MHz RF Current Probe

  • ▸ CLCE-452 V2 RF current monitoring probe, 9 kHz to 400 MHz — a wideband split-core current probe for conducted emissions measurement and RF current monitoring across commercial, automotive, military, and aerospace EMC testing.
  • ▸ Standards-compliant current probe for CISPR, MIL-STD-461, and RTCA DO-160 — meets CISPR 16-1-2 requirements for current monitoring probes and supports conducted emissions and immunity testing per CISPR 22/32, MIL-STD-461, and DO-160.
  • ▸ Large 52 mm (2") aperture for heavy-duty cable bundles — the wide window accommodates thick industrial, automotive, and aerospace harnesses up to 52 mm in diameter.
  • ▸ Updated V2 with extended 400 MHz bandwidth — the V2 refresh adds 70% more upper frequency coverage than the CLCE-252 in the same physical footprint, for broadband multi-standard testing.
  • ▸ Nominal 0.8 Ω transfer impedance with 36 dB insertion loss — balances sensitivity and signal isolation for precise EMI current measurements.
  • ▸ High current endurance for demanding EMC simulations — rated for 200 A DC, 100 A AC at 50/60 Hz, 60 A AC at 400 Hz, 2 A RF, and 2000 A pulse (8/20 µs).
  • ▸ Hinged split-core design for fast, non-intrusive clamp-on measurement — opens to clamp over installed cables and harnesses without disconnecting connectors, then functions as a toroidal transformer for safe, contactless RF current sensing.
  • ▸ Ideal for Bulk Current Injection (BCI) immunity current monitoring — precisely monitors applied RF current during BCI conducted susceptibility testing (such as MIL-STD-461 CS114), validating that injected levels meet test requirements.
  • ▸ NIST-traceable individual calibration for accurate, repeatable results — each probe ships with NIST-traceable transfer impedance calibration data; ISO/IEC 17025 accredited calibration available on request, with a three-year warranty.
  • ▸ Optimized for use with Com-Power accessories — pairs with the FCLCE-452 Calibration Fixture and the SPA-932TG Spectrum Analyzer for full system compatibility and a complete, standards-compliant RF current measurement setup.

CLCE-452 V2 Features

  • ▸ RF current monitoring / sensing probe — for conducted emissions and immunity testing
  • ▸ Frequency range 9 kHz to 400 MHz
  • ▸ Meets CISPR 16-1-2 requirements for current monitoring probes
  • ▸ Suitable for CISPR 22/32, MIL-STD-461, and RTCA DO-160 EMC testing
  • ▸ 52 mm (2.00") aperture — fits the target cable and bundle range
  • ▸ Hinged split-core design — clamps over installed cables without interrupting the setup
  • ▸ Inductive toroidal-transformer measurement — safe, non-contact RF current sensing
  • ▸ Type-N (female) connector — consistent, high-quality RF interfacing
  • ▸ Ideal for Bulk Current Injection (BCI) immunity current monitoring
  • ▸ NIST-traceable individual calibration — ISO/IEC 17025 accredited calibration available on request
  • ▸ Three-year warranty

CLCE-452 V2 Specifications

Parameter Specification
Model CLCE-452 V2
Type RF current monitoring / sensing probe (high-current, large aperture)
Applicable Standards CISPR 16-1-2; CISPR 15/25/32, IEC 61000-4-6, MIL-STD-461, RTCA DO-160
Frequency Range 9 kHz to 400 MHz
Aperture (Inner Diameter) 2" (52 mm)
Outside Diameter 4.9" (125 mm)
Height 1.4" (36 mm)
Width 5.9" (150 mm)
Weight 1.5 lbs (0.68 kg)
Connector Type-N (female)
Core Design Hinged split-core ferrite (clamp-on)
Transfer Impedance (Zt) 0.8 Ω (nominal)
Insertion Loss 36 dB (nominal)
Max Primary Current (DC) 200 A
Max Primary Current (AC 50/60 Hz) 100 A
Max Primary Current (AC 400 Hz) 60 A
Max Primary Current (RF) 2 A
Pulse Current (8/20 µs) 2000 A
Calibration NIST-traceable individual calibration; ISO/IEC 17025 accredited optional
Warranty 3 years
Calibration: Each CLCE-452 V2 ships with NIST-traceable individual transfer impedance calibration data; ISO/IEC 17025 accredited calibration is available on request. Calibrate and verify with the FCLCE-452 Calibration Fixture.
Measurement system: For a complete RF current measurement and monitoring setup, pair the probe with the SPA-932TG Spectrum Analyzer. The probe is also ideal for monitoring applied current during Bulk Current Injection (BCI) conducted immunity testing.

Title Link
CLCE-452 V2 Datasheet View PDF


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