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Impedance Measurement (R,L,C,Q,D) > RLC Bridges / Meters > 3731 Clamp-On Ground Resistance Tester w/Alarm & Memory by AEMC Instruments

3731 Clamp-On Ground Resistance Tester w/Alarm & Memory

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Product Description & Specs

Models 3711 and 3731 measure ground rod and small grid resistance in any environment without the use of auxiliary ground rods. Clamp-on ground resistance testers are used in multigrounded systems without disconnecting the ground under test. The Models 3711 and 3731 simply clamp around the ground conductor or rod and measure 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. 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 and neutral currents to 30Arms. T h i s feature provides additional information which is becoming vital as distribution ground networks carry higher levels of noise and harmonics, which aff e c t power q u a l i t y.The Model 3731 offers an alarm function and a memory (logging) function. In the alarm mode, the probe will audibly and visually indicate if the reading is beyond an input set point. The user may also have the alarm initiated above or below the set point. This alarm feature permits quick field checks where only "pass" or "fail" readings will suff i c e . Clamp-On Ground Resistance Te s t e r s Models 3711 & 3731
* NEW -- Third generation of clamp-on ground testers
* NEW -- Replace Models 3710/30 with TEN TIMES the resolution (measure 0.1W grounds!)
* HIGHER immunity to electrical noise for work around transmission towers and substations
* BETTER power management for extended battery life
* NEW -- all new parts, design and manufacturing process for lower costs
* SAME external design, reliability and operation as previous Models 3710/30
* Simple and fast clamp-on operation - no leads, no auxiliary rods or spacingr e q u i r e m e n t s
* Direct reading of ground resistance from 0.01W to 1200W
* Direct reading of continuity and ground loop resistance
* Direct reading of ground leakage current from 1mA to 30Arms
* Jaw design with large 1.25" (32 mm)
w i n d o w accommodates up to 1000 MCM cables
* A u t o - o ff 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 and analysis
* Meets IEC 1010 Cat. III and CE marked
* Designed to UL and CSA s t a n d a r d s (agency approvals not available at time o document)
* Rugged Lexan<sup>(R)</sup> head and body construction
* Alarm settings and stored memory information saved during shutdown

E-mail or call us at 800-582-8378 for more information.

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