FAQ - NARDA STS

NBM-5xx Frequently Asked Questions (download/read PDF file)

deutsche Version

english version


RadMan	What kind of response will the electric and magnetic fields generated by electrical power lines have on the RadMan (both when worn on the body and when held out)?

RadMan	How does the RadMan work with peaks? Is it a mean alarm or any peak above standard limits cause a warning alarm? What about peaks which are 1/5000 of standard but high duty cycle?

RadMan	Give me information about radiation suites!I have a customer that I have been working with for some time looking at RadMan. The application that he has is for riggers that are doing maintenance such as painting on MF AM broadcast masts. He says that he has solved his problem by using 'radiation suites' that are worn by the riggers and are supposed to provide 60 dB of attenuation at 1 MHz. 1. Do these really work? 2. If they don't, is there any source of evidence that i can use to prove to the customer that he still needs the RadMan?

RadMan	Please explain in details how does the absorber cap work!

RadMan	How are you calibrating the RadMan? Is it in close room or open field?

RadMan	What situations could cause a false alarm?

RadMan	Which kind of information may be obtained by linking a computer to the optical socket of RadMan?

EFA-300	Give me information about measuring non-sinusoidal fields with EFAs!

EFA-300	Is it possible to get the phase angle between the amplitudes with the FFT-mode of EFA-300?

ELT-400	What measurements can I make with the ELT-400?

ELT-400	Does the ELT-400 take the corners in the limit value curves into account in the STD Method?

ELT-400	How do I differentiate the curve shapes (e.g. harmonic overshoot)?

ELT-400	Can I use the ELT-400 to measure radiation from monitor workstations?

ELT-400	Why does the frequency range start from as low as 1 Hz?

ELT-400	What should I do when measuring impulses or time-variable signals?

ELT-400	Do I need an oscilloscope to measure pulsed signals?

ELT-400	How do I display the time domain signal?

ELT-400	I used a spectrum analyzer to perform a comprehensive analysis for an ICNIRP evaluation. Why does this give much higher results than the ELT-400?

ELT-400	What is the STD Method?

SRM-3000	What effect does the coaxial extension cable have on the measurement results from the SRM-3000?

SRM-3000	What is the main difference between the antennas for the SRM-3000 and the broadband probes such as those used with the NBM series?

SRM-3000	Spectrum analyzers usually allow you to set a resolution bandwidth (RBW) as well as a video bandwidth (VBW). Why is there no video filter in the SRM-3000?

SRM-3000	What frequency range is covered by calibration of the SRM-3000, and how is traceability ensured?

SRM-3000	The isotropic antenna for the SRM-3000 consists of three mutually perpendicular dipoles, a three channel switch and a coaxial cable connecting to the basic unit. Could measurement errors be caused by switching from one axis to the next?

SRM-3000	The SRM basic unit is fitted with a multi-pole socket in addition to the standard N connector. What is this used for?

SRM-3000	What is meaning of the Measurement range configuration parameter?

SRM-3000	How many spectral lines are available for a spectrum in the SRM-3000?

SRM-3000	Is it possible to set the sweep time?

SRM-3000	How do I choose the resolution bandwidth (RBW) for measuring the channel power level?


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