RF Current Monitor Probes

(855) 364-2362

For conducted emission tests

Current monitor/sensing probes measure superimposed RF currents flowing in conductors or cable harnesses. The main application is to measure conducted emissions to meet various EMC standards. Somc common standards that require conducted emissions measurements include CISPR 16-1-2, DO-160 and Mil-std 461.

Model	Freq. Range	Inner Dia.	Max Current
CLCE-332	9 kHz-300 MHz	32 mm	42 Amps @ 400 Hz
CLCE-438	9 kHz-400 MHz	38 mm	30 Amps @ 400 Hz
CLCE-1032	9 kHz-1000 MHz	32 mm	135 Amps @ 400 Hz

List of Current monitoring / sensing probes available from Com-Power.

Model	Freq. Range	Inner Dia.	Max Current
CLCE-332	9 kHz-300 MHz	32 mm	42 Amps @ 400 Hz
CLCE-438	9 kHz-400 MHz	38 mm	30 Amps @ 400 Hz
CLCE-1032	9 kHz-1000 MHz	32 mm	135 Amps @ 400 Hz

Application of RF Current Probes
In general, RF current probes are employed to monitor, or measure, the asymmetrical disturbance RF currents on a wire, cable or cable bundle without making direct conductive contact with the source conductor. The current is measured inductively by clamping the probe around the conductor(s) to be tested. No actual contact is made with the conductor(s), and the insulation is left in place. Essentially, a current probe is a torroidal transformer where the conductor(s) act as a single turn primary, and the probe as a multiple turn secondary.
Current Probe Calibration Fixture
Current probes are calibrated through the use of a calibration fixture which provides a 50Ω coaxial-type transmission line arrangement. The fixture allows the probe to be clamped around the center conductor, while the outer conductor encapsulates the probe on four sides, so that the transmission line characteristics are not compromised. See calibration fixture picture on the following page.

CLCE-1032

32 mm Aperture

9 kHz to 1000 MHz

CISPR, MIL-STD 461, RTCA-DO160

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CLCE-252

52 mm Aperture

9 kHz to 230 MHz

CISPR, MIL-STD 461, RTCA-DO160

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CLCE-332

32 mm Aperture

9 kHz to 300 MHz

CISPR, MIL-STD 461, RTCA-DO160

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CLCE-438

38 mm Aperture

9 kHz to 400 MHz

CISPR, MIL-STD 461, RTCA-DO160

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Other EMC Test Equipment

Promotional Code is for current offers only. https://www.com-power.com/current-offers

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RF Current Monitor Probes