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3-Point Ground Resistance Tester


Price starts at $1,199.00

Product Code : 2135.10

Manufacturer : AEMC

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3620 Kit - 150 ft. 3-Point Ground Resistance Testers
The Model 3620 is also available in complete kit form, which includes instrument, two 150 ft color-coded leads on spools (red and blue), one 30 ft lead (green), two 14.5" T-shaped auxiliary ground electrodes, one set of five spaded lugs, 100 ft tape measurer and carrying bag.


  • Fall-of-Potential method for 2- and 3-Point ground resistance tests
  • Direct reading on large analog display 0.5 to 1000Ω and easy 25Ω readings
  • Large 3.1" (77mm), easy-to-read scale for accurate readings
  • Built-in battery check
  • Three color-coded terminals
  • Large press-to-measure buttons
  • Portable and compact
  • Extremely simple to operate: connect - press - read
  • Designed to reject high levels of noise and interference
  • The Ground Resistance Tester Model 3620 is the ideal instrument for electrical contractors, power utilities, REAs, telephone and CATV technicians, and inspectors who must check ground to determine compliance with NEC, OSHA and other specifications. Applications include:
    • Measuring earth resistance of the type of single rod or small ground grids often found in remote telecommunication switching sites
    • Measuring ground electrode resistance of lightning protection equipment
    • Measuring the earth electrode resistance of equipment in recreational areas
    • Testing electrode resistance of ground rods and grids at new construction sites, when utility supplied power has not been supplied
    • Testing earth electrode resistance of grounded towers at cellular phone remote installations
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