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Electrical • Meters & Testers • Ground Resistance Testers

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  • AEMC Instruments

    AEMC Instruments makes several ground resistance testers, including clamp-on models, 3-point models, 4-point models, and multi-function models which offer direct readings, measures from 0.01 to 99,000 ohms and is auto-ranging. Their 3711 Clamp-On tester features direct reading of ground leakage or phase current from 1 mA to 30A RMS, and ground resistance from 0.01 ohms to 1200 ohms.

  • ERICO

    Erico makes the Eritech EST401 Ground Resistance Tester without the need for auxiliary ground rods or leads, is auto-ranging from 0.01 to 1200 ohm at 2403Hz, has a current measurement of 1 to 299mA, and current overload displayed above 29.99Arms.

  • Ideal Industries

    Ideal Industries is in an industrial manufacturer of a variety of electrical testing equipment. These products include earth ground resistance testers, digital insulation meters, ground resistance clamp meters and hand held insulation testers.

  • Megger

    Megger makes several models of ground resistance testers with types including 4 pole testing, attached rod technique (ART), stakeless testing, rechargeable testers, analog display testers and four terminal models for soil resistivity. All of their models have a safety rating of CAT IV 100V, noise reduction up to 40V and extended measurement range.

  • Electro Rent

    Electro Rent Corp manufactures a wide range of electronic testing equipment including various grounding testers for a wide range of applications.

  • Sanwa

    Sanwa makes two earth ground testers; the analog PDR-301, with automatic calibration AC30V, range of 10/100/1000 ohm, operating either tripolar or bipolar; and the PDR-200DG with simple operation and 2 ranges to 200/2000 ohm.

  • Precision Mastech Enterprises Co.

    Mastech makes an earth resistance tester and an earth resistance clamp. Their tester features an earth resistance measuring range of 10/100/1000 ohm and earth voltage of 30 VAC and an accuracy of ±5%. The high sensitivity clamp can measure leakage current to 1mA and neutral current to 30A RMS, as well as resistance.

  • Extech

    Extech Instruments makes a clamp-on ground resistance tester and an earth ground resistance tester kit which can measure in three ranges, from 0.01? to 2000? as well as 2mA test current at 800Hz. Their clamp-on model features a true RMS AC leakage current range of 0.2mA - 30A with 1.000mA resolution, as well as 0.9" jaw size for large ground rods.

  • Fluke

    Fluke makes three models of earth ground testing equipment. The Fluke 1630 Earth Ground Clamp Meter featuring a resistance test loop, range of 0.025 - 1500 ohms at a measuring frequency of 3.333kHz. The Fluke 1625/1623 GEO Earth Ground Tester has a 3 and 4 pole fall of potential testing, selective testing, and stakeless testing.

  • BK Precision

    BK Precision makes the Model 309 digital earth resistance meter which measures resistance in 20/200/2000 ohms and earth AC voltages up to 200VAC @ 40 to 500Hz. It also features 2mA measuring current and data hold, and includes test leads, auxiliary earth spikes, carrying case and batteries.

  • Hotek Technologies, Inc.

    Hotek has the Gossen GEOHM C Earth Soil Resistivity Tester, which can measure resistance up to 50 kOhm in 5 ranges, frequency measurement from 45 to 200Hz, and voltage measurements from 10 to 250V, as well as featuring two component housing and integrated memory with IrDA interface.

  • Hioki

    Hioki makes the Earth HiTester 3151 with 3-electrode measurement, ground resistance of 10, 100, or 1000 ohm and ground voltage of 30V. It also features open circuit voltage of 50VAC max, measurement current of 15mA AC max, and 575 or 600 Hz measurement frequency.

  • Monroe Electronics

    Monroe Electronics makes several resistance and resistivity meters, including surface meters with regulated 10V and 100V test voltages and the model 291 resistivity meter with ranges from E3 to E12, parallel bar type electrodes, and CE conformance.

  • M,C. Miller Co., Inc.

    M.C. Miller makes the Miller 400A, an analog ground resistance meter with 4, 3, or 2-electrode application, IP67 rated for dust and water, and a resistance measurement range of 0.01 to 1.1 Mohm.

  • Yokogawa

    Yokogawa makes the 3235 Earth Ground 3 pole tester which can measure resistance from 0 to 10 to 100 to 1,000 ohms, and 0 to 30V earth voltage.

  • Amprobe Test Tools

    Amprobe offers four models of ground resistance testers, as well as power quality analyzers and digital, hand cranked, and analog battery powered insulation testers.