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AEMC 3730 Ground Resistance Tester Clamp

Manufacturer part number: 3730
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The AEMC 3730 Clamp-on Ground Resistance Testers are used in multi-grounded systems without disconnecting the ground under test. The AEMC 3730 simply clamps around the ground conductor or rod and measures the resistance to ground. By performing measurements on intact ground systems, the user also verifies the quality of the grounding connections and bonds. Resistance and continuity of grounding loops around pads and buildings may also be measured.

Electrical

  • Resistance Measurement Frequency: 1.689kHz
  • Current Measurement Frequency: 47 to 800Hz
  • Current Overload: OL displayed above 30Arms
  • Power Supply: 9V Alkaline battery (IEC 6LF22 or NEDA 1604A)
  • Battery Life: typical: 8 hours or approx. 1,000 measurements of 30 seconds

General

  • Dimensions: 9.25" x 3.94" x 2.17" (235 mm x 100 mm x 55 mm)
  • Weight: 2.2 lbs. (1 kg) Case
  • Material: Lexan® 920A (UL94V2)
  • Jaw Cover Material: Lexan® 500R with 10% fiberglass charge (UL94V0) LCD
  • Cover Material: Lexan® 920A (UL94V1)
  • Color: Gray body, red jaws
  • Jaw Window Diameter: 1.25" (32 mm)
  • Jaw Opening: 1.38" (35 mm)
  • Operating Temperature: 14°F to 131°F (-10° to 55°C)
  • Operating Humidity: 0 to 90% RH @ 14°F to 104°F (-10°C to 40°C), 75% RH @ 131°F (55°C) Storage Temperature: -40°F to 158°F (-40°C to 70°C) LCD: 3 3/4 Digit, 1.73" x 1.10" (44 x 28 mm)
  • U.S. Patent: No. 362,639
  • NSN: 6625-01-377-8030
Description

The AEMC 3730 Clamp-on Ground Resistance Testers are used in multi-grounded systems without disconnecting the ground under test. The AEMC 3730 simply clamps around the ground conductor or rod and measures the resistance to ground. By performing measurements on intact ground systems, the user also verifies the quality of the grounding connections and bonds. Resistance and continuity of grounding loops around pads and buildings may also be measured.