EMC Test Products

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EMC Probes, Amplifiers and Calibrators

                          

     Beehive 101A

101A EMC Probe Set

The 101A probe set contains one each of the 100A,B,C, and D probes.  The three loop probes are sensitive to magnetic fields.  They have different diameters, so that the user can select the optimal probe for the frequency of interest.  The 100D stub probe is sensitive to electric fields, and offers the best spatial resolution of all.

The probes use a push-on SMB connector rather than a screw-on connector; this helps prevents the attached cable from kinking when the probe is moved.

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100A Magnetic Field EMC Probe

The 100A is a small, handheld magnetic field probe ideal for locating the sources of EMC emissions. Its integrated electrostatic shield offers good common-mode rejection, and its fine spatial resolution make it easy to track a source of emissions down to the offending component.

The probe can be ordered with a serialized calibration certificate containing test data for that unit. Click here to see a sample calibration certificate.

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100B Magnetic Field EMC Probe

The 100B magnetic field probe has the smallest loop of any probe in the series.  It offers the best spatial resolution and high-frequency response of the magnetic field probes, but has lower sensitivity than the 100A or 100C.

The probe can be ordered with a serialized calibration certificate containing test data for that unit. Click here to see a sample cal certificate.

Data Sheet & more info or Buy Now...

       

100C Magnetic Field EMC Probe

The 100C magnetic field probe has the largest loop of any probe in the series.  It has the best sensitivity of the magnetic field probes.  Because the large size of the loop, its high-frequency response and spatial resolution are not as good as the 100A and 100B.

The probe can be ordered with a serialized calibration certificate containing test data for that unit. Click here to see a sample calibration certificate.

Data Sheet & more info or Buy Now...

       

100D Magnetic Field EMC Probe

The 100D is an electric field probe, unlike the 100A/B/C.  It has the best spatial resolution of all the probes.  However, because it is an electric field probe, it does not offer the common mode rejection that the magnetic field probes have.

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EMC Probe Amplifier

The 150A EMC probe amplifier is a low-noise, wide-bandwidth amplifier designed for use with the 100 series EMC probes. It features a gain of over 30 dB and a frequency response of 100 kHz to 6 GHz.

Its high gain and low noise improve the system sensitivity dramatically.  This higher sensitivity allows the user to widen the spectrum analyzer resolution bandwidth, resulting in faster sweeps and measurements.  Depending on the model of spectrum analyzer used, sensitivity can be improved by 20 to 30 dB.

This improved sensitivity can improve measurement speed by a factor of 10,000 or more.

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RF Helmholtz Coil

The Beehive Electronics 135A RF Helmholtz coil generates a well-controlled, uniform magnetic field. It can be used to calibrate magnetic field probes, such as the Beehive 100 series, or for testing the susceptibility of devices to magnetic fields. The Helmholtz coil comes supplied with a fixture that makes it easy to calibrate Beehive 100 series probes.

Because the coils of the 135A are designed to have low inductance, the 135A is usable to a much higher frequency than traditional Helmholtz coils. It can be used from DC up to 30 MHz. This allows the user to calibrate magnetic field sensors or test samples at higher frequencies than was previously possible.

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