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The Narda EF 0392 E-Field Probe contains three orthogonally arranged dipoles with detectordiodes. The three voltages, corresponding to the spatial components, are available individually at the probe output. The NBM basic unit calculates the resulting isotropic field strength.
The probe detects electric fields from 100 kHz to 3 GHz, covering the fields that occur in broadcasting, telecoms, and industry. The dynamic range from 0.8 V/m up to 1,300 V/m (64 dB) makes the probe ideal for measuring exposure in both the general public and the occupational environment.
The Narda e-field probe is designed with mechanical and electrical properties ideal for field use. The probe head is made of foam material to provide effective protection for the sensors, while having excellent RF characteristics. The electric destruction limit of 2,000 V/m for continuous wave signals is several times higher than any of the human safety limit values.
The probe is calibrated at several frequencies. The correction values are stored in an EPROM in the probe and are automatically taken into account by the NBM instrument. Calibrated accuracy is thus obtained regardless of the combination of probe and instrument.