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AEMC Ground Resistance Tester Model 6418


Price: $1,495.00
Item Number: 2141.03
Manufacturer: AEMC
Manufacturer Part No: 6418

Ground Resistance Tester Model 6418

The Ground Resistance Tester Model 6418 measures ground rod, busbar, and grid resistance and impedance without the use of auxiliary rods. Clamp-on ground resistance testers can be used in multi-grounded systems without disconnecting or de-energizing the ground system under test. The Model 6418 simply clamps around the grounding electrode or conductor 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.

Ground Resistance Measurement 
Measurement Range Resolution Accuracy
0.010 to 0.099Ω 0.001Ω ±(1.5%Reading +0.01Ω)
0.10 to 0.99Ω 0.01Ω ±(1.5%Reading +0.02Ω)
1 to 49.9Ω 0.1Ω ±(1.5% Reading +0.1Ω)
50.0 to 149Ω 1Ω ±(2.5% Reading +2Ω)
150 to 245Ω 5Ω ±(5% Reading +10Ω)
 250 to 440Ω 10Ω ±(10% Reading +20Ω)
450 to 640Ω 10Ω ±(15% Reading +20Ω)
 650 to 1200Ω 50Ω ±(20% Reading +100Ω)
Test Frequency 2083Hz
Maximum Overload Permanent current: 100 max. 50/60Hz; 20A at 800Hz
Current  Measurement Range (Auto-Ranging)
Measurement Range Resolution Accuracy
0.50 to 9.995mA 50µA ±(2% Reading +200µA)
10.00 to 99.90mA 100µA ±(2% Reading +100µA)
100.0 to 299.0mA 1mA ±(2% Reading +1mA)
0.300 to 2.990A 10mA ±(2% Reading +10mA)
3.000 to 20.00A 100mA ±(2% Reading +100mA)
General Features
Display OLED, 152 segments 48x39mm
Memory 300 measurements
Alarm 2 separate alarms (Ω and A)
Power Source 4x1.5V LR6 (AA) alkaline batteries or 4 NiMH batteries
Battery Life 12 hours or 1440 30-seconds tests approx.
Jaw Opening 1.26” (32mm) max or 1.18  1.57" (30 x 40mm) or 0.79 x 2.17" (20 x 55mm) bar
Dimensions 11.8 x 4.2 x 2.2” (300 x 106 x 56mm)
Weight (with Battery) 2.6 lbs (1.2Kg)
Operating Temperature -4° to +131°F (-20 to +55°C)
Storage Temperature -22° to +158°F (-30 to +70°C)
Relative Humidity Up to 90% @ 40°C
Ingress Protection (IP) IP 40
EMC EN 61326-1
Safety Compliance IEC 61010-1, EN 61010-2-32, Pollution Degree 2,  100V CAT IV
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