Narda - Safety Test Solutions


Firmware NBM-520 / NBM-550

All the information about determining the firmware version installed on your device and how to perform an update is found in the Operating Manual for your device.

PC-Software NBM-TS

PC software for all instruments in the NBM-500 product range (updated version)

Latest version : 4.2.0
Publication date : 06-2022

NBM-520 Firmware

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Latest version : 2.2.3
Publication date : 10-2017

NBM-550 Firmware

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Latest version : 3.0.2
Publication date : 12-2021