Fieldbus Diagnostic Handheld FDH-1

Simple, reliable diagnosis in a short time

Comprehensive measuring tool for PROFIBUS PA

Areliable automation system is essential for smooth production in process automation. The comprehensive measurement and commissioning tool Fieldbus Diagnostic Handheld FDH-1 provides the basis for fault-free operation and thus also the highest availability of process equipment.
At a touch of the button the mobile handheld device checks segments before commissioning and displays the location of any faults in the installation. It also checks whether existing infrastructure cables can be used for a fieldbus installation
The FDH-1 is approved for use in all hazardous areas and with all types of explosion protection.

Highlights Fieldbus Diagnostic Handheld FDH-1

  • For commissioning, online monitoring and troubleshooting
  • Handheld with display for quick physical layer monitoring and diagnostics
  • Embedded expert system displays instructions for causes and correction of faults
  • Easy handling, several language options
  • Choice of power options for different operating modes
  • PC software for enhanced interface and data backup

Use cases

  • Failure margin check of installed field devices individually
  • Device coupler short circuit test
  • Suitability check for existing cable - Check of cable continuity, signal level and signal quality
  • Integrated fieldbus oscilloscope for signal analysis

Measurement results

  • Ground faults and unbalance
  • Signal level
  • Jitter
  • Signal polarity
  • Noise
  • Communication error statistics
Segment evaluation with PROFIBUS PA measuring toolSegment evaluation PROFIBUS PA measuring tool with oscilloscope functionOscilloscope function


Additional software FDH–1 Manager Premium can operate the handheld with enhanced visualization. This software uploads data and compares online measurements with history recordings.

Product details

Request offer for Fieldbus Diagnostic Handheld FDH-1
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Scope of Delivery

  • FDH-1 with transport case
  • Fieldbus cordset with 3 pin test plugs
  • Fieldbus cordset with 3 test clips
  • USB cable
  • FDH-1 Manager Software Basic and manual


PROFIBUS brochure

PROFIBUS brochure Indu-Sol GmbH

Basics and coherences of the proven technology in compact form as well as tips to latest valid standards and guidelines

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