Narda EMF Measurement Equipment for Safety and Compliance

Measure: Why?

Measurement determines whether limit values for electromagnetic radiation specified in laws, national regulations, and recommendations are adhered to. This is essential for occupational safety and to protect the general public.
Measurement provides reassurance, being the most important step in effective protection. It helps verify if transmitters are switched off during maintenance or if field strength aligns with theoretical values.
Measurement provides facts, such as actual exposure levels for public protection, which can allay anxiety and inform preventive actions, even if values are below permitted limits.
Measurement ensures accuracy, for example, when planning high-tension transmission lines or antenna arrays, by verifying if field strength simulations match reality.

Measure: How?

Only standard-compliant measurements provide comparable, reproducible, and legally defensible results.
Measurement results must be understandable, even for those not constantly concerned with electromagnetic fields.
In the near field, electric and magnetic fields must be measured separately.
Non-directional (isotropic) measurement is required by standards.

Measure right!

Measurement involves comparison with a known quantity. Narda instruments are calibrated against quantities traceable to national standards.
Measuring equipment for outdoor use must be robust, dustproof, and weatherproof to ensure accurate operation in demanding conditions.
Simple operation minimizes mistakes, leading to reliable and dependable results.
Minimum downtime is ensured through rapid calibration services in Narda's laboratory. Recalibration is recommended every one to three years, depending on the device.

Diagram Description: Two technicians in safety vests are working near a large cellular antenna array. One technician holds a handheld measurement device, pointing it towards the antennas. Another image shows a technician wearing a hard hat and safety vest operating a handheld measurement device connected to a large antenna structure.

BROADCASTING, TELECOMS, MOBILE RADIO

Occupational safety requires defining and observing safety zones when working in the immediate vicinity of antennas.
Public information is crucial; people desire uninterrupted coverage while keeping radiation levels low.

NBM-550, the Narda Broadband Field Meter, uses isotropic E-field and H-field probes to measure electric and magnetic field components non-directionally. RadMan 2 and Nardalert are clip-on monitors for personal safety. SRM-3006, the Selective Radiation Meter, shows the source and magnitude of individual contributions to the overall field strength. The Area Monitor is a long-term measurement system for continuous monitoring. EFC-400 is simulation software for estimating field situations before new antenna installations.

Diagram Description: A display of Narda EMF measurement devices, including the NBM-550 broadband field meter with an isotropic probe, the RadMan 2 clip-on monitor, and the SRM-3006 selective radiation meter. Another image shows a person in a safety vest setting up a measurement device near a cellular antenna tower, with a solar panel visible. A prominent "5G" logo is displayed. A third image shows a person holding an ELT-400 exposure level tester near a black device with a probe, displaying compliance markings for the EMF Directive 2013/35/EU and the CE mark.

INDUSTRY, MEDICINE, PUBLIC SAFETY

Industrial safety: Low frequency and high frequency welding equipment, RF heating for plastic welding, drying, bonding, and coating applications must adhere to limits.
Human safety in medicine: Magnetic Resonance Imaging, magnet therapy, and diathermy require correct diagnosis and beneficial therapy for patients, ensuring no danger to medical staff.
Public safety: Proof of field exposure within permitted limits is required near high-tension cables and transformer stations.
Domestic appliances must meet magnetic field properties specified in international standards like IEC/EN 62233.

NIM is a complete measurement system with a Dual Electric and Magnetic Field Probe for frequencies up to 100 MHz. EHP-50F and EHP-200A detect electric and magnetic fields from low to high frequencies used in industry and medicine. ELT-400, the Exposure Level Tester, measures pulsed magnetic fields in industry and homes. HP-01 offers frequency-selective and wideband measurement of magnetic fields from 0 Hz to 1000 Hz.

RADAR, AIR TRAFFIC CONTROL, RADIO LINK

Directional radio antennas concentrate radiation power, and radar equipment uses extremely high impulse power levels. Protection is needed for those working close to such equipment, and public exposure levels must also be checked.

NBM-550, the Narda Broadband Field Meter, can measure the true power of pulsed electric fields with a suitable probe. SRM-3006, the Selective Radiation Meter, can continuously register short radar impulses with frequency-selective accuracy. RadMan 2XT and Nardalert S3 are clip-on monitors for personal safety. RadMan 2XT can also be used as a leak detector to find radiation leaks from damaged feeders.

Diagram Description: A radar tower with multiple antennas is shown against a sky with an airplane flying nearby, illustrating applications in air traffic control and radio links. A collection of Narda devices is displayed: NBM-550, SRM-3006, RadMan 2XT, and Nardalert S3, highlighting their use in various scenarios.

POWER UTILITIES AND ELECTRIC RAILROADS

Power utilities use 50 or 60 Hz AC in transformer stations and high-tension lines. Inverters and switched-mode power supplies generate harmonics at several kilohertz.
Subways and railroads use high-value direct currents or alternating currents at 16 2/3, 50, or 60 Hz, which cause magnetic fields.

EHP-50F, the Electromagnetic Field Analyzer, detects electric and magnetic fields from the lowest frequencies up to the harmonic frequency range. ELT-400, the Exposure Level Tester, offers a wide frequency range (1 Hz – 400 kHz) and standard-compliant measurement. EFC-400 is powerful PC software that simulates field situations by calculation, including all components from DC up to telecommunication frequencies, and can determine noise pollution levels from high-tension lines.

Diagram Description: A person is setting up a measurement device on a tripod near electrical transformers and power lines, representing applications in power utilities and electric railroads. A close-up view of an ELT-400 device with its probe is also shown, emphasizing its measurement capabilities.

RF TEST & MEASUREMENT

For RF test and measurement, Narda offers real-time spectrum analyzers, monitoring receivers, and direction-finding systems. The increasing number of devices sharing the frequency spectrum due to technologies like IoT, M2M, and 5G networks has led to a rise in RF interference risks.

Narda provides comprehensive measurement solutions for the complex radio frequency spectrum, whether for wideband measurements, searching for hidden signals, detecting short impulses, or localizing interference signals. The design and performance of Narda devices make them ideal for both on-site and laboratory use.

SignalShark®: Signal analyzer for detection, analysis, classification, and localization of RF signals between 8 kHz and 8 GHz. Suitable for mobile and fixed use.
ADFA: Two Automatic DF Antennas (ADFA) in combination with the Narda Real-Time Handheld Analyzer SignalShark support full automatic direction finding.
IDA2: Signal analyzer for detection, analysis, and localization of RF signals between 9 kHz and 6 GHz.
NRA: Remote-controlled spectrum analyzer with exceptionally powerful features and outstanding price/performance ratio, particularly suitable for radio monitoring.

Diagram Description: A Narda SignalShark device, a portable spectrum analyzer used for RF test and measurement. Two ADFA (Automatic Direction Finding) antennas mounted on a pole, used in conjunction with Narda analyzers for direction finding. An IDA2 signal analyzer, used for detection, analysis, and localization of RF signals. An NRA remote-controlled spectrum analyzer, noted for its powerful features and suitability for radio monitoring.

NARDA SAFETY TEST SOLUTIONS – LEADERS IN EMF MEASUREMENT

Narda Safety Test Solutions

Narda is a leading provider of measuring equipment for EMF Safety, RF Test & Measurement, and EMC sectors. With standards-compliant EMF measurement solutions for electrical and magnetic fields from 0 Hz to 90 GHz, Narda covers virtually all mobile radio services, including 5G. The EMF Safety product range includes wideband and frequency-selective measuring instruments, wide-area monitors, and personal safety monitors. The RF Test & Measurement range offers analyzers and devices for identifying RF sources.

The PMM brand of EMC instruments measures electromagnetic compatibility. Servicing, calibration, and training programs are also provided. Narda's company management system is ISO 9001:2015 certified, and it operates an ISO/IEC 17025:2005 accredited calibration laboratory. Narda has development and production facilities in Germany and Italy, with a global network of sales partners. Narda is part of L3Harris Technologies.

Contact Information:

Narda Safety Test Solutions GmbH
Sandwiesenstrasse 7
72793 Pfullingen, Germany
Phone +49 7121 97 32 0
info.narda-de@L3Harris.com

Narda Safety Test Solutions S.r.l.
Via Rimini, 22
20142 Milano, Italy
Phone +39 02581881
nardait.support@L3Harris.com

© Narda Safety Test Solutions 2015. The name and logo are registered trademarks of Narda Safety Test Solutions GmbH and L3 Communications Holdings, Inc. Trade names are trademarks of their respective owners.

EMF MEASUREMENT EQUIPMENT