Gigahertz NFA 1000 Operating Manual
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Gigahertz NFA 1000 Operating Manual

3d low frequency analyser with data logger
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Download this manual See also: Operating Manual
NFA 1000
NFA 400
3D Low Frequency
Analyser
with Data Logger
Operating Manual
Version 8.7.1
The THREE-dimensional potentialfree E-field measurement of the NFA
1000 versus the ONE dimensional E field measurement of the NFA400
is the only significant difference between the two instruments.
© Gigahertz Solutions GmbH
Made in Germany
NFAsoft
Analysis and
Configuration
Software
July 2019

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  • Page 1 Data Logger Operating Manual Version 8.7.1 The THREE-dimensional potentialfree E-field measurement of the NFA 1000 versus the ONE dimensional E field measurement of the NFA400 is the only significant difference between the two instruments. © Gigahertz Solutions GmbH July 2019...

  • Page 2: Table Of Contents

    Technical data and specifications are to be found on our website www.gigahertz-solutions.com. Contents Quick Start Guide NFA 1000 Front Cover LEDs / Display / Audio Signals Switches / Push-Buttons / Connectors How to Measure and Data-Log Power Supply „NFAsoft“...

  • Page 3: Quick Start Guide

    To allow a simplified freehand measurement, the meter is pre-adjusted with a 16 Hz high pass filter for the magnetic field and a 50 Hz high pass filter for the electric field (see page 23 for measurements from 5 Hz onwards). - 1 - © Gigahertz Solutions GmbH July 2019...

  • Page 4: Nfa 1000

    Made in Germany 2 Front Cover Analogous front cover for NFA 1000 and NFA 400 NFA 1000 AC/DC 3D-NF-Analyser 5 Hz - 1000 kHz Mode Auto Band Freq. „Ey“ NFA 400: Signal Power tRMS TCO-Band Hold Peak GIGAHERTZ Mode Made in Germany Rec.

  • Page 5: Leds / Display / Audio Signals

    With “Freq.” the actual mains frequency can be determined exactly. The LED’s for 16.7 Hz, mains frequency and its harmonics up to 2 kHz have a suitable lock- in range to cover mains fluctuations. - 3 - © Gigahertz Solutions GmbH July 2019...
  • Page 6 „Sd-F“: short for SD memory card failure“. Try re-starting the NFA or re-formatting the memory card according to chapter 9, first paragraph. If necessary, replace SD memory card (max. 16 GB). - 4 - July 2019 © Gigahertz Solutions GmbH...
  • Page 7 To make it more ergonomic for the user, frequencies below the nominal display reso- lution (that is < 0.1 V/m or < 1 nT) are not indicated by an LED-signal but will still be recorded down to the noise level. Hysteresis: 9/12% resp. 45/50%. - 5 - © Gigahertz Solutions GmbH July 2019...

  • Page 8: Switches / Push-Buttons / Connectors

    LED next to the display. XYZ = Axis indication Here, the NFA 1000 will show either the magnetic or the electric field in its three individual components depending on the field type from which the switch was set to “XYZ”, whereas the NFA 400 will only show the...
  • Page 9 For E-field measurements against earth potential, please plug in the grounding cable and switch to “M3D” (automatic adjustment) on the NFA 1000 switch to “Ey” on the NFA 400. 4.3 Sockets for Inputs and Grounding...
  • Page 10 Socket for the TCO-conformed probe at the front end of the meter This is for the TCO-conformed probe available as an optional acces- sory from Gigahertz Solutions. No data logging! Mode = Selection of Measurement Mode Selects all measurement and display options of the in- strument with the field selector switch and the “Mode...
  • Page 11 Tolerances are much higher than using the tRMS analysis. It can- not be used with the floating potential E-field measurement for the time being. - 9 - © Gigahertz Solutions GmbH July 2019...
  • Page 12 12 V external battery (motorcycle gel battery (no lith-  ium! ), we have configurated a universal connecting cable for you (“BAK-U”). extensive testing with classical power banks and lithium polymer batteries for flight models showed disappointing results. - 10 - July 2019 © Gigahertz Solutions GmbH...
  • Page 13 These audio notes will then be directly allocated by NFAsoft to the cor- responding recording times in the graphic. In order to be correctly allocated by NFAsoft, the WAV files need to be saved in the same folder as the LOG file. - 11 - © Gigahertz Solutions GmbH July 2019...

  • Page 14: How To Measure And Data-Log

    These recordings can be annotated by real-time audio recordings which will be assigned automatically to the respective measurement for replay. The chapters 5.2 and 5.3 are only relevant for the NFA 1000. Guided 9 Point Measurement of Sleeping Areas For alternating electric fields, the guidelines issued by the VDB e.V., Germany, require a detailed anal-...
  • Page 15 “hit“ the measurement point, if you use a holder then withdraw quickly to a minimum distance of 1.5 m and keep still there in order to avoid movement-induced "pseudo-fields”. - 13 - © Gigahertz Solutions GmbH July 2019...
  • Page 16 To lock, remove and lock the SD memory card while the desired set- tings are active and rein-sert it. The data will still be recorded. IMPORTANT: Don't forget to “unlock” the SD memory card after finishing a “locked” long term recording! - 14 - July 2019 © Gigahertz Solutions GmbH...

  • Page 17: Power Supply

    Please note that Li-Ion batteries, even when treated with care, will lose some of their original capacity within one or two years, and their typical life expectancy is 250-500 complete charge cycles. In this case please always replace both batteries. - 15 - © Gigahertz Solutions GmbH July 2019...
  • Page 18 - 16 - July 2019 © Gigahertz Solutions GmbH...

  • Page 19: Nfasoft

    (recorded note).  7.2 Data Analysis: Longterm Recording Double-click the appropriate log file for analysis. For longterm record- ings the following window will open (check chapter 7.2 for 9 point measurements): - 17 - © Gigahertz Solutions GmbH July 2019...
  • Page 20 You may just as well use the “right” and “left” arrows of the keyboard. Zooming of the time on the x-axis is also possible via the “View” menu. - 18 - July 2019 © Gigahertz Solutions GmbH...
  • Page 21 The 95th percentile is calculated heuristically. If the possible deviation ex- ceeds 10%, it will be noted in parenthesis after the figure in absolute terms. - 19 - © Gigahertz Solutions GmbH July 2019...
  • Page 22 “All” – zooms out the x-axis and displays the complete data set on the data plot. The keyboard “A” keys can alternatively be used. Use the arrow keys to take over the functions of the mouse. - 20 - July 2019 © Gigahertz Solutions GmbH...
  • Page 23 This function will only be displayed when selecting „CH 4“in the „Channels“ window and the data recorded in this channel are those of an external input device such as an HF-Analyser (recorded in mV). - 21 - © Gigahertz Solutions GmbH July 2019...
  • Page 24 Simply select the settings as required and activate the button “save as pre-setting for NFAsoft”. All pre-settings are stored in the file “NFAsoft.ini” and are available for NFAsoft provided that this file is in the same folder. - 22 - July 2019 © Gigahertz Solutions GmbH...
  • Page 25 “All3D”. (For more in- formation on this matter see chapter 9). - 23 - © Gigahertz Solutions GmbH July 2019...

  • Page 26: Firmware-Update

    Don’t forget to unlock the SD-card afterwards! Please differentiate: With „NFAsoft“ the firmware can be configured and the user set- tings stored in the file „CONFIG.NFA“. This has nothing to do with the firmware itself. - 24 - July 2019 © Gigahertz Solutions GmbH...

  • Page 27: What If

    … Make no shorter logs than at least 10, better 30 seconds. The preliminary Firmware of NFA serial numbers below …0282 cannot be updated (new bootloader). - 25 - © Gigahertz Solutions GmbH July 2019...
  • Page 28 16.7 Hz will also be recorded in the corre- spondent channel. In this case the sum of the frequency specific channels may well be higher than that of “All3D”. - 26 - July 2019 © Gigahertz Solutions GmbH...
  • Page 29 “R<2k” channel which does not usually show up during a “normal” measurement This is nearly always a matter of “pseudo fields” caused by move- ments or electrostatics in the area of the meter (for instance by - 27 - © Gigahertz Solutions GmbH July 2019...
  • Page 30 NFAsoft. The audio files (.wav) will only be displayed in the diagram if they are stored in the same folder as the LOG-file and if they are not renamed. - 28 - July 2019 © Gigahertz Solutions GmbH...
  • Page 31 Made in Germany © Gigahertz Solutions GmbH July 2019...
  • Page 32 Made in Germany Manufacturer Gigahertz Solutions GmbH Im Kessel 2 90579 Langenzenn Germany Tel : +49 (9101) 9093-0 Fax : +49 (9101) 9093-23 www.gigahertz-solutions.com Your local partner © Gigahertz Solutions GmbH July 2019...

This manual is also suitable for:

Nfa 400

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