{"product_id":"reed-instruments-r5710-ground-resistance-tester-nist","title":"REED R5710-NIST Clamp-On Ground Resistance Tester","description":"\u003ch2 dir=\"ltr\"\u003e\u003cspan\u003eAdvanced Stakeless Ground Testing with Certified Accuracy\u003c\/span\u003e\u003c\/h2\u003e\n\u003cp dir=\"ltr\"\u003e\u003cspan\u003eThe \u003cstrong\u003eREED Instruments R5710-NIST\u003c\/strong\u003e is a high-performance clamp-on tester designed to simplify the measurement of ground resistance in multi-grounded systems. \u003c\/span\u003e\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003e\u003cspan\u003eBy utilizing a specialized induction method, the \u003cstrong\u003eR5710 \u003c\/strong\u003eallows you to measure resistance without the need for auxiliary ground stakes or disconnecting the ground rod from the system. This model includes an \u003cstrong\u003eNIST-Traceable Calibration Certificate\u003c\/strong\u003e, providing the verifiable accuracy required for high-stakes electrical inspections, utility maintenance, and lightning protection audits.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch2 dir=\"ltr\"\u003e\u003cspan\u003eKey Technical Advantages\u003c\/span\u003e\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli dir=\"ltr\" aria-level=\"1\"\u003e\n\u003cp dir=\"ltr\" role=\"presentation\"\u003e\u003cspan\u003e\u003cstrong\u003eStakeless Measurement Technology\u003c\/strong\u003e:\u003c\/span\u003e\u003cspan\u003e Quickly measure ground resistance from \u003c\/span\u003e\u003cspan\u003e0.01Ω to 1500Ω\u003c\/span\u003e\u003cspan\u003e simply by clamping onto the ground conductor, significantly reducing time spent in the field.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli dir=\"ltr\" aria-level=\"1\"\u003e\n\u003cp dir=\"ltr\" role=\"presentation\"\u003e\u003cstrong\u003eLeakage Current Detection:\u003c\/strong\u003e\u003cspan\u003e Beyond resistance, this versatile tool measures AC leakage current from \u003c\/span\u003e\u003cspan\u003e0.00mA to 40.0A\u003c\/span\u003e\u003cspan\u003e, helping you identify potential system faults or grounding issues.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli dir=\"ltr\" aria-level=\"1\"\u003e\n\u003cp dir=\"ltr\" role=\"presentation\"\u003e\u003cstrong\u003eLarge Jaw Capacity:\u003c\/strong\u003e\u003cspan\u003e The 1.25\" (32mm) jaw diameter accommodates large ground conductors and bus bars found in industrial and utility settings.\u003c\/span\u003e\u003cspan\u003e3\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli dir=\"ltr\" aria-level=\"1\"\u003e\n\u003cp dir=\"ltr\" role=\"presentation\"\u003e\u003cstrong\u003eData Logging \u0026amp; Alarms:\u003c\/strong\u003e\u003cspan\u003e\u003cstrong\u003e \u003c\/strong\u003eStore up to \u003c\/span\u003e\u003cspan\u003e99 sets of data\u003c\/span\u003e\u003cspan\u003e in the internal memory and utilize the user-programmable High\/Low alarms for rapid \"Pass\/Fail\" field testing.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli dir=\"ltr\" aria-level=\"1\"\u003e\n\u003cp dir=\"ltr\" role=\"presentation\"\u003e\u003cspan\u003e\u003c\/span\u003e\u003cstrong\u003eSafety \u0026amp; Documentation:\u003c\/strong\u003e Ships with a \u003cstrong\u003eNIST-traceable certificate\u003c\/strong\u003e with full data and uncertainties, ensuring compliance with strict industrial safety standards and insurance requirements.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cul\u003e\u003c\/ul\u003e\n\u003ch2\u003eIdeal Applications for the REED R5710\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli aria-level=\"1\" dir=\"ltr\"\u003e\n\u003cp role=\"presentation\" dir=\"ltr\"\u003e\u003cstrong\u003eTelecommunications Grounding:\u003c\/strong\u003e\u003cspan\u003e Verify the integrity of grounding systems for cell towers and central office equipment.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli aria-level=\"1\" dir=\"ltr\"\u003e\n\u003cp role=\"presentation\" dir=\"ltr\"\u003e\u003cstrong\u003eElectrical Utilities:\u003c\/strong\u003e\u003cspan\u003e\u003cstrong\u003e \u003c\/strong\u003eTest ground resistance for utility poles, transformers, and sub-station grounding grids.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli aria-level=\"1\" dir=\"ltr\"\u003e\n\u003cp role=\"presentation\" dir=\"ltr\"\u003e\u003cstrong\u003eLightning Protection Systems:\u003c\/strong\u003e\u003cspan\u003e Ensure that commercial and residential lightning rods have a low-resistance path to earth.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli aria-level=\"1\" dir=\"ltr\"\u003e\n\u003cp role=\"presentation\" dir=\"ltr\"\u003e\u003cstrong\u003eIndustrial Maintenance:\u003c\/strong\u003e\u003cspan\u003e Conduct periodic grounding audits in manufacturing plants to prevent equipment damage and ensure worker safety.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli aria-level=\"1\" dir=\"ltr\"\u003e\n\u003cp role=\"presentation\" dir=\"ltr\"\u003e\u003cstrong\u003eLeakage Current Monitoring:\u003c\/strong\u003e\u003cspan\u003e Identify ground loops and low-level current leakage in complex electrical distributions.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch5\u003eSpecifications\u003c\/h5\u003e\n\u003ctable class=\"table table-striped\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd colspan=\"2\"\u003e\n\u003ch2\u003eGround Resistance\u003c\/h2\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRanges\u003c\/td\u003e\n\u003ctd\u003e0.010 to 0.099Ω\u003cbr\u003e0.10 to 0.99Ω\u003cbr\u003e1.0 to 49.9Ω\u003cbr\u003e50.0 to 99.5Ω\u003cbr\u003e100 to 199Ω\u003cbr\u003e200 to 395Ω\u003cbr\u003e400 to 590Ω\u003cbr\u003e600 to 880Ω\u003cbr\u003e900 to 1200Ω\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eAccuracy\u003c\/td\u003e\n\u003ctd\u003e0.010 to 0.099Ω: ±(1% + 0.01Ω)\u003cbr\u003e0.10 to 0.99Ω: ±(1% + 0.01Ω)\u003cbr\u003e1.0 to 49.9Ω: ±(1% + 0.1Ω)\u003cbr\u003e50.0 to 99.5Ω: ±(1.5% + 0.5Ω)\u003cbr\u003e100 to 199Ω: ±(2% + 1Ω)\u003cbr\u003e200 to 395Ω: ±(5% + 5Ω)\u003cbr\u003e400 to 590Ω: ±(10% + 10Ω)\u003cbr\u003e600 to 880: ±(20% + 20Ω)\u003cbr\u003e900 to 1200Ω: ±(25% + 30Ω)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eResolution\u003c\/td\u003e\n\u003ctd\u003e0.001Ω\u003cbr\u003e0.01Ω\u003cbr\u003e0.1Ω\u003cbr\u003e0.5Ω\u003cbr\u003e1Ω\u003cbr\u003e5Ω\u003cbr\u003e10Ω\u003cbr\u003e20Ω\u003cbr\u003e30Ω\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd colspan=\"2\"\u003e\n\u003ch2\u003eCurrent\u003c\/h2\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRanges\u003c\/td\u003e\n\u003ctd\u003e0 to 9mA\u003cbr\u003e10 to 99mA\u003cbr\u003e100 to 299mA\u003cbr\u003e0.30 to 2.99A\u003cbr\u003e3 to 9.9A\u003cbr\u003e10 to 20A\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eAccuracy\u003c\/td\u003e\n\u003ctd\u003e0 to 9.95A: ±(2.5% + 1mA)\u003cbr\u003e10 to 99mA: ±(2.5% + 5mA)\u003cbr\u003e100 to 300mA: ±(2.5% 10mA)\u003cbr\u003e0.30 to 2.99A: ±(2.5% + 0.1A)\u003cbr\u003e3 to 9.9A: ±(2.5% + 0.3A)\u003cbr\u003e10 to 20A: ±(2.5% + 0.5A)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eResolution\u003c\/td\u003e\n\u003ctd\u003e0.5mA, 0.1mA, 1mA, 0.01A, 0.1A, 0.1A\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd colspan=\"2\"\u003e\n\u003ch2\u003eGeneral Specifications\u003c\/h2\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRange Selection\u003c\/td\u003e\n\u003ctd\u003eAuto-ranging\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSampling Time\u003c\/td\u003e\n\u003ctd\u003e0.5 seconds\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDisplay\u003c\/td\u003e\n\u003ctd\u003e9999 count EBTN display\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBacklit LCD\u003c\/td\u003e\n\u003ctd\u003eYes\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eUser Selectable Alarms\u003c\/td\u003e\n\u003ctd\u003eYes\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDisplay Hold\u003c\/td\u003e\n\u003ctd\u003eYes\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInternal Memory\u003c\/td\u003e\n\u003ctd\u003eYes up to 300 data points\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eAuto Shut-off\u003c\/td\u003e\n\u003ctd\u003eYes (after 5 minutes)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePower Supply\u003c\/td\u003e\n\u003ctd\u003e4 x AA Batteries\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOver Range Indicator\u003c\/td\u003e\n\u003ctd\u003eYes\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eLow Battery Indicator\u003c\/td\u003e\n\u003ctd\u003eYes\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eΩ+A Display\u003c\/td\u003e\n\u003ctd\u003eYes\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eJaw Opening\u003c\/td\u003e\n\u003ctd\u003e1.26\" (32mm)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOvervoltage Category\u003c\/td\u003e\n\u003ctd\u003eCAT. III 300V\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eProduct Certifications\u003c\/td\u003e\n\u003ctd\u003eCE, RoHS\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOperating Temperature\u003c\/td\u003e\n\u003ctd\u003e32 to 131°F (0 to 55°C)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eStorage Temperature\u003c\/td\u003e\n\u003ctd\u003e-4 to 140°F (-20 to 60°C)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOperating Humidity\u003c\/td\u003e\n\u003ctd\u003e10 to 90%\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDimensions\u003c\/td\u003e\n\u003ctd\u003e11.2 x 3.3 x 2.2\" (285 x 85 x 56mm)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWeight\u003c\/td\u003e\n\u003ctd\u003e2.6lbs (1180g)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch5\u003eIncluded\u003c\/h5\u003e\n\u003cul\u003e\n\u003cli aria-level=\"1\" dir=\"ltr\"\u003e\n\u003cp role=\"presentation\" dir=\"ltr\"\u003e\u003cstrong\u003eREED R5710 Clamp-On Ground Resistance Tester:\u003c\/strong\u003e\u003cspan\u003e\u003cstrong\u003e \u003c\/strong\u003eA rugged, handheld instrument for stakeless resistance and leakage current testing.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli aria-level=\"1\" dir=\"ltr\"\u003e\n\u003cp role=\"presentation\" dir=\"ltr\"\u003e\u003cstrong\u003eNIST-Traceable Calibration Certificate:\u003c\/strong\u003e\u003cspan\u003e Official documentation to verify measurement accuracy for professional safety audits and compliance.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli aria-level=\"1\" dir=\"ltr\"\u003e\n\u003cp role=\"presentation\" dir=\"ltr\"\u003e\u003cstrong\u003eResistance Calibration Loops:\u003c\/strong\u003e\u003cspan\u003e\u003cstrong\u003e \u003c\/strong\u003eHigh-precision loops used to verify the tester’s accuracy in the field before performing critical measurements.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli aria-level=\"1\" dir=\"ltr\"\u003e\n\u003cp role=\"presentation\" dir=\"ltr\"\u003e\u003cstrong\u003eHeavy-Duty Hard Carrying Case:\u003c\/strong\u003e\u003cspan\u003e\u003cstrong\u003e \u003c\/strong\u003eA durable, impact-resistant case with custom foam inserts to protect the sensitive clamp and electronics.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli aria-level=\"1\" dir=\"ltr\"\u003e\n\u003cp role=\"presentation\" dir=\"ltr\"\u003e\u003cspan\u003e\u003c\/span\u003e\u003cb id=\"docs-internal-guid-639fae31-7fff-1bc3-715e-88540b38f112\"\u003e\u003cspan\u003eBatteries:\u003c\/span\u003e\u003cspan\u003e \u003c\/span\u003e\u003c\/b\u003eStandard 9V power cell included for immediate use out of the box.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch5\u003eResources\u003c\/h5\u003e\n\u003cp\u003e\u003ca rel=\"noopener\" title=\"Reed R5710 Datasheet\" href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0709\/8558\/0712\/files\/Reed_R5710_Datasheet.pdf?v=1761939381\" target=\"_blank\"\u003e\u003cspan class=\"main-color\"\u003e\u003cstrong\u003eDatasheet\u003c\/strong\u003e\u003c\/span\u003e\u003c\/a\u003e\u003cspan\u003e \u003c\/span\u003efor the \u003cstrong\u003eREED R5710-NIST\u003c\/strong\u003e Clamp-On Ground Resistance Tester\u003c\/p\u003e\n\u003cp\u003e\u003cspan class=\"main-color\"\u003e\u003cstrong\u003e\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0709\/8558\/0712\/files\/Reed_R5710_manual.pdf?v=1762381732\" title=\"Reed R5710 manual\" rel=\"noopener\" target=\"_blank\"\u003eManual\u003c\/a\u003e\u003c\/strong\u003e\u003c\/span\u003e\u003cspan\u003e \u003c\/span\u003efor the \u003cstrong\u003eREED R5710-NIST\u003c\/strong\u003e Clamp-On Ground Resistance Tester\u003c\/p\u003e","brand":"Reed Instruments","offers":[{"title":"Default Title","offer_id":54394990231720,"sku":null,"price":1500.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0709\/8558\/0712\/files\/Reed_Instruments_R5710_Clamp_On_Ground_Resistance_Tester.jpg?v=1761939205","url":"https:\/\/westerlyapollo.com\/products\/reed-instruments-r5710-ground-resistance-tester-nist","provider":"Westerly Apollo","version":"1.0","type":"link"}