Health & Safety

Monitoring Electromagnetic Fields

Nov 10 2012 Read 1696 Times

Narda Safety Test Solutions (Germany) offers a new way of installing an economically priced electromagnetic field monitoring and alarm system in the form of the Narda Broadband Radiation Meter NBM-580. The device collects the measurement results from up to eight distributed measuring stations and records them continuously, triggering alarms if limit values are exceeded.

An economical way to monitor limit values e.g. on transmitting equipment or in an industrial environment is to use Nardalert S3 Monitors as measuring stations. Running from a DC supply and connected to the NBM-580 by fiber optic cables, these monitors provide continuous measurement values referred to settable threshold values. This means that any limit violations can be immediately detected, reported, and recorded.

Narda Broadband Meters NBM-520 with measuring probes are suitable for more precise monitoring. These record electric and magnetic field strengths with a dynamic range of up to 60 dB.

The NBM-580 processes all the results centrally. They can be displayed directly on the screen or read out via the IEEE-488 interface or remotely accessed via Ethernet. Up to eight Nardalert S3 or NBM-520 (or a combination of both) can be connected to it at distances from a few tens to hundreds of meters. Four optical and four USB inputs are provided for this purpose. Low- and high-current alarm relays are also built in.


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