Geohm PRO Gossen Metrawatt

Geohm PRO Gossen Metrawatt

High-precision earthing and low-resistance measuring instrument

All common methods of earth measurement can be easily and reliably implemented with the GEOHM PRO. The measuring method for testing lightning protection systems under highly realistic conditions based on various types of the pulse measuring method is noteworthy.

More information contact below :

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Description

Geohm PRO Gossen Metrawatt

High-precision earthing and low-resistance measuring instrument
All common methods of earth measurement can be easily and reliably implemented with the GEOHM PRO. The measuring method for testing lightning protection systems under highly realistic conditions based on various types of the pulse measuring method is noteworthy. Thanks to extensive measuring accessories, earth measurements and resistance measurements can be easily implemented in any environment at any earthing or lightning protection system without disconnecting the earth electrode. Furthermore, a professional earthing analysis can be conducted on the basis of measured interference voltages and interference frequencies.

Your advantages

  • Cost savings – a single instrument for numerous measuring tasks
  • Time savings – simple troubleshooting thanks to professional earthing analysis
  • Easy handling – thanks to intuitive user prompting, graphic display and help function
  • Quick reproducibility – thanks to modern data management
  • Rugged measuring case – use in adverse environments and easy transport

Applications
All common methods of earth measurement can be easily and reliably implemented with the GEOHM PRO.

  • 3, 4-pole measurement,
  • Selective 3-pole measurement,
  • 4-pole measurement via pulse method
  • Earth loop resistance via 2-clamp method
  • Soil resistivity according to Wenner
  • Current measurement with clamp
  • Low-resistance measurement with 200 mA

Thanks to extensive measuring accessories, earth measurements and resistance measurements can be easily implemented in any environment at any earthing or lightning protection system without disconnecting the earth electrode.

  • Earthing resistance by means of the 3/4-wire measuring method
  • Selective earth resistance by means of the 3-wire measuring method with current clamp / advantage: no influence on parallel earth electrodes!
  • Earth loop resistance with 2 current claims or Rogowski coils, up to 4 m / advantage: no need to disconnect the earthing system!
  • Soil resistivity according to the Wenner method – for the preparation of soil assessments
  • Leakage current / current measurement by means of current clamp or flexible current sensor
  • Low-resistance measurement with ≥ 200 mA per EN 61557-4 / VDE 0413-4

Model number: M592A
Geohm PRO
Includes :

  • 1 GEOHM PRO
  • 1 Carrying case
  • 1 Measurement cable, 1.2 m, red
  • 1 Measurement cable, 2.2 m, black
  • 2 Alligator clips, red and black
  • 2 Measurement cables, 25 m, red and green
  • 1 Measurement cable, 50 m, blue
  • 4 Earth drills, 30 cm
  • 1 USB cable
  • 1 Automotive charging cable
  • 1 Screw terminal
  • 1 Power pack
  • 1 Set of operating instructions
  • 1 Calibration certificate
GEOHM CGEOHM 5GEOHM PROGEOHM XTRA
Item numberM590AM591BM592AM592B
IndicationDigitalDigitalDigitalDigital
Internal memoryxxxx
Printer connection
Printer integrated
Entry of distances between measurement electrodesx
Current measurement (leakage currents etc.)x
Battery status indicatorx
Help function with connection diagramsx
Specific earth resistance (Wenner method)x
Resistance measurement by means of auxiliary electrodes RS and RHx
Measurement of interference voltagesx
Measurement of interference frequenciesx
(Rechargeable) battery operationx
Earth loop resistance measurement with 2 current clamp meters (dual-clamp method)x
Low resistance measurement according to EN61557-4 / VDE 0413-4x
Measurement even with existing interference voltages in systems with 16.7 Hz, 50 Hz, 60 Hz and 400 Hzx
3-wire earth resistance measurement with a current clamp meter (selective)x
Data interfacex
Background illuminationx
RTC real-time clockx
3 and 4-wire earth resistance measurementx
Selection of measuring voltagesx
GPS module
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