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AEMC 3711 (2117.60) Clamp-On Ground Resistance Tester

condition: Brand NewPart #: AE-3711Availability: Out of StockInfo Message: DISCONTINUED ITEM
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DISCONTINUED ITEM-Replacement Models: AEMC 6417 (2141.02) Clamp-On Ground Resistance Tester w/ Bluetooth and AEMC 6416 (2141.01) Clamp-On Ground Resistance Tester
The Models 3711 and 3731 mea sure ground rod and grid resistance in any environment without the use of auxiliary ground rods. Clamp-on ground resistance testers are used on multi- grounded systems without disconnecting the ground under test. The Models 3711 and 3731 simply clamp around the ground conductor or rod and measures the resistance to ground fast and accurately.

By performing measurements on installed 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.

Both models include a current measurement function. The probe’s high sensitivity enables measurement of leakage current flowing to ground or circulating in ground loops down to 1mA as well as neutral and phase currents to 30Arms. This feature provides additional information, which is vital in distribution ground networks carrying higher levels of noise and harmonics, that affect power quality.

The Model 3731 offers an alarm function and a memory (logging) function. In the alarm mode, the probe will audibly and visually indicate readings beyond set point. The user may also have the alarm initiated above or below the set point. This alarm feature permits quick field checks where “pass” or “fail” readings will suffice.

  • Simple and fast clamp-on operation – no leads, no auxiliary rods or spacing requirements. No need to disconnect neutral service
  • Direct reading of ground resistance from 0.01Ω to 1200Ω
  • Direct reading of continuity and ground loop resistance
  • Direct reading of ground leakage or phase current from 1mA to 30Arms
  • Jaw design with large 1.25″ (32mm) window – accommodates up to 1000MCM cables
  • Auto-off for power management
  • CE Mark and UL approved
  • Rugged Lexan head and body construction resists breakage
  • Patented design
  • Alarm function with adjustable set point and buzzer for quick field checks (Model 3731)
  • Memory function to store 99 field measurements for later retrieval and analysis (Model 3731)
  • Instrument’s alarm settings and stored memory information saved during shutdown (Model 3731)
  • Measure electrical ground rod and grid resistance
  • Use on multi-grounded systems without disconnecting the ground rod under test
  • Measure resistance and continuity of grounding loops around pads and buildings
  • Measure leakage current flowing to ground or circulating in ground systems
  • Conduct field surveys and retrieve and analyze readings at a later time
  • Use on cell towers and telecommunication sites
  • Use on pools, spas and other consumer installations
  • Resistance Measurement Frequency : 2403Hz
  • Current Measurement Frequency : 47 to 800Hz
  • Current Overload : OL displayed above 29.99Arms
  • Power Source : 9V Alkaline battery (IEC 6LF22 or NEDA 1604A)
  • Battery Life : Typical: 8 hours or approx. 1000 measurements of 30 seconds
  • Dimensions : 9.25 x 3.94 x 2.17″ (235 x 100 x 55mm)
  • Weight : 2.2 lbs (1kg)
  • Jaw Window Diameter : 1.25″ (32mm)
  • Jaw Opening : 1.38″ (35mm)
  • U.S. Patent : No. 362,639
  • UL File : No. E192383
  • Operating Temperature : 14° to 131°F (-10° to 55°C)
  • Operating Humidity : 10 to 90% RH @ 14° to 104°F (-10° to 40°C), 75% RH @ 131°F (55°C)
  • Storage Temperature : -22° to 158°F (-30° to 70°C)
  • Safety Rating : EN 61010-2-032 (Class 2) Double Insulation
  • Double Insulation : Yes
  • CE Mark : Yes
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