Narda NBM-550 Broadband Field Meter

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Narda NBM-550
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The Narda NBM-550 Broadband Field Meter is part of the NBM-500 device family. It makes extremely accurate measurements of non-ionizing radiation. Equipped with probes for measuring electric and magnetic field strengths, it covers all frequencies from long wave up to microwave radiation. Flat frequency response probes ("flat probes") as well as so-called shaped probes that evaluate the field strength on the basis of a human safety standard are available. These probes are calibrated separately from the field meter, and include a non-volatile memory that contains the probe parameters and calibration data. They can therefore be used with any device in the Narda NBM-500 family without losing any of the calibration accuracy.
NBM Probes
Probe Model Field Type Frequency Range
EF 0391 E 100kHz - 3GHz
EF 0392 E 100kHz - 3GHz
EF 0691 E 100kHz - 6GHz
EF 1891 E 3MHz - 18GHz
EF 5091 E 300MHz - 50GHz
EF 5092 E 300MHz - 50GHz
EF 6091 E 27MHz - 60GHz
HF 3061 H 300kHz - 30MHz
HF 0191 H 27MHz - 1GHz
EX 5091 E Shaped 300kHz - 50GHz
EA 5091 E Shaped 300kHz - 50GHz
EB 5091 E Shaped 3MHz - 50GHz
EC 5091 E Shaped 300kHz - 50GHz
ED 5091 E Shaped 300kHz - 50GHz
Narda NBM-550 Features
  • Measuring field strengths to comply with general safety regulations
  • Establishing safe zones
  • Measuring and monitoring field strengths around broadcasting and radar equipment
  • Measuring field strengths of cell phone transmitters and satellite communications systems to demonstrate compliance with human safety standard limit values
  • Measuring field strengths in the industrial environment, such as plastics welding equipment, RF heating, tempering, and drying equipment
  • Measurements for protecting users of diathermy equipment and other medical devices that generate high-frequency radiation
  • Measuring field strength in TEM cells and absorber chambers to demonstrate electromagnetic compatibility (EMC)
Narda NBM-550 Standards
Probe used Standard
Probe EA 5091 FCC
Probe EB 5091 IEEE
Probe EC 5091 SC6
Probe ED 5091 ICNIRP
  CFR 1910.97