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AEMC 3731 2117.61 Clamp-on Ground Resistance Tester
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AEMC 3731 2117.61 Clamp-on Ground Resistance Tester


AEMC 2117.61
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 AEMC 2117.61

Features:
  • 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
  • Alarm function with adjustable set point and buzzer for quick field checks
  • Memory function to store 99 field measurements for later retrieval
  • CE Mark and UL approved
  • Rugged Lexan head and body construction resists breakage
  • Alarm settings and stored memory information saved during shutdown
  • Patented design
  • Includes hard carrying case, batteries, 25Ω calibration check loop, and manual


  Description

The Clamp-on Ground Resistance Tester Model 3731 measures ground rod and small grid resistance through any season, without the use of auxiliary ground rods.

Clamp-on Ground Resistance Testers are used in multi-grounded systems without disconnecting the ground under test. The Model 3731 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. The Model 3731 also provides alarm and memory functions.


  Models, Options, & Accessories


Model Description List Price Sale Price
2117.61 Ground Resistance Tester Model 3731 (Clamp-On, Alarm, Memory)
$1745.00
You may qualify for better pricing.
Please call 877-742-TEST (8378)
or Email for details.
2117.60 Ground Resistance Tester Model 3711 (Clamp-On)
$1545.00
You may qualify for better pricing.
Please call 877-742-TEST (8378)
or Email for details.


  Specifications

Measurement Range
Type Ground Resistance Ranges
Range Autoranging 0.01 to 1200W
Measurement Range 0.10 to 1.00W / 1.0 to 50.0W / 50.0 to 100.0W / 100 to 200W / 200 to 400W / 400 to 600W
Resolution 0.01W / 0.1W / 0.5W / 1W / 5W / 10W
Accuracy in % of Reading ± (2% Reading ± 0.02W ) / ± (1.5% Reading ± 0.1W ) / ± (2.0% Reading ± 0.5W ) / ± (3.0% Reading ± 1W ) / ± (6% Reading ± 5W ) / ± (10% Reading ± 10W )
Resistance Measurement Frequency 1.689kHz
Resistance Overload OL displayed above 1200W
Current Measurement Frequency 47 to 800Hz
Current Overload OL displayed above 30Arms
Power Source 9V Alkaline battery
Battery Life typical: 8 hours or approx. 1,000 measurements of 30 seconds
Mechanical Specifications
Display 3-3/4 Digit, 1.73" x 1.10" (44 x 28mm)
Operating Temperature 14° to 131°F (-10° to 55°C)
Storage Temperature 40° to 158°F (-40°C to 70°C)
Relative Humidity 0 to 90% RH @ 14 to 104°F (-10°C to 40°C), 75% RH @ 131°F (55°C)
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" (35m)
Case Lexan 920A (UL94V)
Colors Gray body, red jaws
Drop Test (1m); IEC 68-2-32
Dielectric Test 2500VAC
Environmental IP30, IEC 359 Group III
Working Voltage 150V Cat. III - Pollution Degree 2 300V, Cat. II - Pollution Degree 1
Max Overload (A or OHM Function) 100A continuous, 200A (<5s) 50/60Hz


   
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