Real-Time Analysis of Electromagnetic Fields in Hand-Held Format  

Narda Safety Test Solutions (Germany) has now equipped its frequency-selective measuring set for electromagnetic fields with a “Scope” operating mode. Using this, it is now possible to analyse the frequency content and time characteristics of signals from radar equipment, mobile communications services such as Wi-Fi, WLAN, WiMAX, and DECT, or radio control systems like ZigBee and Bluetooth.

The Selective Radiation Meter SRM-3006 from Narda Safety Test Solutions is now available with a “Scope” operating mode. The instrument displays the real-time characteristic of a signal  recorded using frequency selection. It is possible to measure pulse widths and signal periods as well as set triggers, just as with an oscilloscope. The time intervals that can be set range from 24 hours down to microseconds, and the resolution goes down into the nanosecond range. It can therefore be used to make long-term observations of individual radio channels e.g. over the course of an entire day, as well as to detect even the shortest of impulses, such as from radar equipment.

This combination of frequency-selective measurement and display versus time opens up possibilities that are not covered by either pure spectrum analysis or simple measurement over time.