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3731 Clamp-On Ground Resistance Testers
4Pages

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Catalog excerpts

3731 Clamp-On Ground Resistance Testers - 1

„· Measure down to 0.1Ù with resolution of 0.01Ù „· Fast settling time (approximately one second) „· High immunity to electrical noise for work around transmission towers and substations „· Extended battery life over 1000 tests (Auto-Off) „· Rugged jaw construction withstands heavy outdoor usage „· Smooth jaw matting surfaces easily cleaned to maintain reading accordingly „· US Patent Number 362,639 Clamp-On Ground Resistance Tester Models 3711 & 3731

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3731 Clamp-On Ground Resistance Testers - 2

Features „· Simple and fast clamp-on operation — no leads, no auxiliary rods or spacing requirements „· Direct reading of ground resistance from 0.1Ù to 1200Ù „· 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 1000kcmil cables „· Auto-Off for power management „· 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) „·...

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3731 Clamp-On Ground Resistance Testers - 3

Construction The Models 3711 and 3731 bodies are built of Lexan® (or equivalent polycarbonate) for rugged use. The probe heads are encapsulated in a double-walled shell for extra strength and reinforced for enhanced field reliability. Overall construction and mechanical design ratings such as drop test, shock, vibration and weatherproofing against water penetration or dust, meet or exceed IEC standards. These products have also been designed to EN 61010, Cat. III and are UL approved and are CE Marked. The probe head, (jaw) is a key component in the measurement and overall product...

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3731 Clamp-On Ground Resistance Testers - 4

Clamp-On Ground Resistance Tester Models 3711 & 3731 include a calibration loop, battery and user manual in a hard carrying case. Specifications Calibration Check Loop (included) ORDERING INFORMATION CATALOG NO. Ground Resistance Tester Model 3711 (Clamp-On) . . . . . . . . Cat. #2117.60 Includes 9V Alkaline battery, 25Ù calibration check loop, hard carrying case and user manual Ground Resistance Tester Model 3731 (Clamp-On) with memory and alarm. . . . . . . Cat. #2117.61 Includes 9V Alkaline battery, 25Ù calibration check loop, hard carrying case and user manual Call the AEMC® Instruments...

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