This item is now discontinued. We recommend the following as suggested replacements: RK-20043-48

Extech GRT350 Earth Ground Resistance and Resistivity Tester, 4-Wire

Extech GRT350 Earth Ground Resistance and Resistivity Tester, 4-Wire
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Extech – Mfr # GRT350 – Item # RK-20026-15
Ensure safety of ground systems
  • Performs 2-wire, 3-wire, and 4-wire tests tolerating any level of electrical noise in the environment
  • Autoranging function optimizes test parameters
  • Automatic I (current) and P (potential) spike checks
  • Internal memory stores up to 200 test results
  • 1 year warranty
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SPECS & DESCRIPTION

Specifications & Description

  • AC Min (Volts)0
  • AC Max (Volts)300
  • Resistance Min (Ω)0
  • Resistance Max (Ω)200
  • Resistance Min (KΩ)0
  • Resistance Max (KΩ)2
  • Frequency Min (Hz)40
  • Frequency Max (Hz)500
  • Memory200 test results
  • Power8 AA batteries (included)
  • Width (in)9.875
  • Height (in)4.375
  • Depth (in)7.5
  • DescriptionEarth Ground Resistance and Resistivity Tester, 4-Wire
  • Warranty1 Year
1 Year WarrantyConformite Europeenne

Key Features

  • Performs 2-wire, 3-wire, and 4-wire tests tolerating any level of electrical noise in the environment
  • Autoranging function optimizes test parameters
  • Automatic I (current) and P (potential) spike checks
  • Internal memory stores up to 200 test results
  • 1 year warranty

More About this Item

This combination earth ground resistance and soil resistivity tester is perfect for new installations and preventive maintenance. Measure AC earth voltage in addition to performing the resistance and resistivity tests to gain a complete understanding of the ground system. Test hold and data hold functions save time, allowing completion of multiple tests in quick succession and later retrieval of data. Automatic power-off conserves power and low battery indication prevents downtime.

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