General Information 1-1
1 - General information
1.1 Documentation
The following documents are included in this Manual:
x A questionnaire to be sent to NARDA together with the apparatus
should service be required.
x A checklist of the Accessories included in the shipment.
This Manual includes description of EHP-50F standard and optional
accessories.
1.2 Introduction
This section provides a general overview of EHP-50F Electric and
Magnetic Field Analyzer.
EHP-50F is a low frequency electric and magnetic isotropic field probe-
analyzer. It provides an advanced technology solution for field analysis in
the 1 Hz to 400 kHz frequency range in an extremely high dynamic range.
It includes X, Y and Z axes simultaneous measurements with a powerful,
built in, spectrum analyzer.
EHP-50F can be used either connected to NBM-550 portable field meter
or PC. Additionally, stand alone operation mode is provided for up to 24
hours continuous data collection.
EHP-50F includes a non volatile memory which stores frequency and level
calibration tables and an internal optical repeater which allows connection
to external devices through the optical fibre.
Spectral analysis, obtained through DSP (Digital Signal Processor), is
performed on eight different frequency Span values and displayed on the
PC monitor or NBM-550 .
Marker function is available to provide accurate field strength and
frequency measurement.
EHP-50F is managed internally with a microprocessor that controls all the
main functions, from the battery charging to the serial communication with
the DSP unit.
Electric or Magnetic field is picked up by three sensors on the X, Y and Z
orthogonal axes. A Digital/Analog conversion follows which transforms the
signal into numeric information processed by a Digital Signal Processing
unit.
Document EHP50FEN-50501-1.63 - © NARDA 2015
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