Probe Description
The probe contains three orthogonally arranged dipoles with detector diodes. 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.
Applications
The probe detects electric fields from 600 MHz to 6 GHz and is thus particularly suitable for measuring the field strength generated by mobile radio base stations and wireless LAN systems. Due to its high dynamics and sensitivity of 0.2 V/m, the probe can detect even low field strengths accurately. The probe exceeds the requirements of the basic standards EN 50492, IEC 62232, and HJ 972-2018 (China), but uses a band limitation that suppresses electromagnetic fields below 600 MHz.
Properties
The 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.
Calibration
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.
