Electrical Specifications; Ground Resistance; Ground Or Leakage Current; Mechanical Specifications - AEMC 3711 User Manual

Electrical Specifications

Measurement Range
Autoranging
0.01Ω to 1200Ω
Measurement Range
Autoranging
1mA to 30.00Arms
R = Reading
* Reference conditions: 23°C ± 3K, 50% RH ± 10%, battery at 8V ± 0.2V, external magnetic
field < 40A/m, external electrical field < 1V/m, conductor centered, loop resistance
noninductive. Accuracy % of Reading, Frequency: 50/60Hz.
Resistance Measurement Frequency: 2403Hz
Voltage Generated into the Loop: Approx. 60mVrms
Alarm Range (Model 3731 Only): 0 to 199Ω
Resistance Overload: OL displayed above 1200Ω
Current Measurement Frequency: 47 to 800Hz
Influence of Frequency: Add 7.5% to the reference specification
Current Overload: OL displayed above 29.99Arms

Mechanical Specifications

Dimensions: 9.25 x 3.94 x 2.17" (235 x 100 x 55mm)
Weight: 2.2lbs. (1kg)
Ground Resistance Tester Models 3711 and 3731

Ground Resistance

Range
0.1 to 1.00Ω
1.0 to 50.0Ω
50.0 to 100.0Ω
100 to 200Ω
200 to 400Ω
400 to 600Ω
600 to 1200Ω

Ground or Leakage Current

Range
1 to 299mA
0.300A to 2.999A
3.00A to 29.99A
- 8 -
Resolution
0.01Ω ± (2% R ± 0.02Ω)
0.1Ω ± (1.5% R ± 0.1Ω)
0.5Ω ± (2.0% R ± 0.5Ω)
1Ω
5Ω
10Ω ± (10% R ± 10Ω)
50Ω Approx. 25% ± 50Ω
Resolution
1mA ± (2.5% R + 2mA)
0.001A ± (2.5% R + 2mA)
0.01A ± (2.5% R + 20mA)
Accuracy*
± (3.0% R ± 1Ω)
± (6.0% R ± 5Ω)
Accuracy*