{"product_id":"uni-t-ut522-digital-earth-resistance-meter","title":"UNI-T UT522 Digital Earth Resistance Meter","description":"\u003ch2\u003eUNI-T UT522 Digital Earth Resistance Meter in Sri Lanka\u003c\/h2\u003e\n\n\u003ch3\u003eAuto-Ranging Ground Resistance Meter for Fast and Accurate Earth Testing\u003c\/h3\u003e\n\n\u003cp\u003e\n  The \u003cstrong\u003eUNI-T UT522 Digital Earth Resistance Meter\u003c\/strong\u003e is a professional auto-ranging instrument built for efficient and accurate measurement of earth electrode resistance and ground resistance at electrical installations, industrial sites, and utility infrastructure. Its automatic range selection eliminates manual switching, significantly accelerating earth testing workflows for electrical engineers and site inspectors in Sri Lanka.\n\u003c\/p\u003e\n\n\u003cp\u003eExplore our complete range of \u003ca href=\"\/collections\/earth-resistance-testers\" target=\"_blank\"\u003eEarth Resistance Testers — digital earth testers, ground resistance meters, and loop impedance instruments in Sri Lanka!\u003c\/a\u003e\u003c\/p\u003e\n\n\u003cp\u003e\n  Equipped with a backlit LCD display, interference voltage warning, and high auxiliary electrode resistance tolerance, the UT522 delivers dependable measurement results across a wide variety of soil conditions and earthing configurations — from urban building earthing to remote telecom and industrial grounding systems.\n\u003c\/p\u003e\n\n\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\n\u003cdl class=\"package-list\"\u003e\n  \u003cdd\u003e\n\u003cstrong\u003eEarth Resistance Range\u003c\/strong\u003e: 0~200Ω \/ 0~2kΩ \/ 0~20kΩ (auto range)\u003c\/dd\u003e\n  \u003cdd\u003e\n\u003cstrong\u003eResolution\u003c\/strong\u003e: 0.01Ω (200Ω range)\u003c\/dd\u003e\n  \u003cdd\u003e\n\u003cstrong\u003eAccuracy\u003c\/strong\u003e: ±(2%+5dgts) for 200Ω range\u003c\/dd\u003e\n  \u003cdd\u003e\n\u003cstrong\u003eTest Method\u003c\/strong\u003e: 3-pole \/ 2-pole measurement\u003c\/dd\u003e\n  \u003cdd\u003e\n\u003cstrong\u003eTest Frequency\u003c\/strong\u003e: ~820Hz\u003c\/dd\u003e\n  \u003cdd\u003e\n\u003cstrong\u003eInterference Voltage Detection\u003c\/strong\u003e: AC ≤30V\u003c\/dd\u003e\n  \u003cdd\u003e\n\u003cstrong\u003eAuxiliary Electrode Resistance\u003c\/strong\u003e: ≤50kΩ (C), ≤50kΩ (P)\u003c\/dd\u003e\n  \u003cdd\u003e\n\u003cstrong\u003eDisplay\u003c\/strong\u003e: 3¾-digit backlit LCD\u003c\/dd\u003e\n  \u003cdd\u003e\n\u003cstrong\u003ePower\u003c\/strong\u003e: 6 × 1.5V AA batteries\u003c\/dd\u003e\n\u003c\/dl\u003e\n\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\u003cdl class=\"package-list\"\u003e\n  \u003cdd\u003e\n\u003cstrong\u003eAuto-Range Selection\u003c\/strong\u003e: Automatically selects the appropriate measurement range for faster, error-free earth testing\u003c\/dd\u003e\n  \u003cdd\u003e\n\u003cstrong\u003eBacklit LCD Display\u003c\/strong\u003e: Enables clear reading in low-light conditions such as confined electrical enclosures and outdoor night inspections\u003c\/dd\u003e\n  \u003cdd\u003e\n\u003cstrong\u003eInterference Voltage Warning\u003c\/strong\u003e: Built-in alarm alerts users to AC stray currents that may compromise reading accuracy\u003c\/dd\u003e\n  \u003cdd\u003e\n\u003cstrong\u003eHigh Electrode Resistance Tolerance\u003c\/strong\u003e: Maintains accurate readings even with high-resistance auxiliary ground spikes in rocky or dry soil\u003c\/dd\u003e\n  \u003cdd\u003e\n\u003cstrong\u003eDual-Mode Testing\u003c\/strong\u003e: Supports both 3-pole (standard fall-of-potential) and 2-pole simplified testing methods\u003c\/dd\u003e\n\u003c\/dl\u003e\n\n\u003ch3\u003eApplications\u003c\/h3\u003e\n\u003cdl class=\"package-list\"\u003e\n  \u003cdd\u003eAutomated earth resistance measurement at multi-point industrial grounding grids\u003c\/dd\u003e\n  \u003cdd\u003eGround resistance verification for switchgear, panel boards, and distribution transformers\u003c\/dd\u003e\n  \u003cdd\u003eEarth electrode testing for lightning protection and surge protection systems\u003c\/dd\u003e\n  \u003cdd\u003ePeriodic grounding compliance checks at commercial and high-rise building electrical systems\u003c\/dd\u003e\n\u003c\/dl\u003e\n\n\u003ch3\u003ePackage Includes\u003c\/h3\u003e\n\u003cdl class=\"package-list\"\u003e\n  \u003cdd\u003e1 × UNI-T UT522 Digital Earth Resistance Meter\u003c\/dd\u003e\n  \u003cdd\u003e3 × Test lead wires\u003c\/dd\u003e\n  \u003cdd\u003e2 × Auxiliary earth spikes\u003c\/dd\u003e\n  \u003cdd\u003e6 × AA batteries (installed)\u003c\/dd\u003e\n  \u003cdd\u003eCarrying case\u003c\/dd\u003e\n  \u003cdd\u003eEnglish user manual\u003c\/dd\u003e\n\u003c\/dl\u003e\n\n\u003cp\u003eFor advanced soil resistivity measurement and 4-pole Wenner method testing, consider upgrading to the \u003ca href=\"\/products\/uni-t-ut572-advanced-earth-ground-tester\"\u003eUNI-T UT572 Soil Resistivity and Earth Resistance Tester\u003c\/a\u003e.\u003c\/p\u003e\n\n\u003ch3\u003eDownloads\u003c\/h3\u003e\n\u003cp\u003e\n  \u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0679\/7587\/2725\/files\/uni-t-ut522-data-sheet.pdf\" target=\"_blank\"\u003e📄 Download UNI-T UT522 Data Sheet\u003c\/a\u003e\u003cbr\u003e\n  \u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0679\/7587\/2725\/files\/uni-t-ut522-user-manual.pdf\" target=\"_blank\"\u003e📄 Download UNI-T UT522 User Manual\u003c\/a\u003e\n\u003c\/p\u003e\n\n\u003cdiv class=\"product-vendor\"\u003e\n  \u003cstrong\u003eBrand:\u003c\/strong\u003e \u003ca href=\"\/collections\/vendors?q=UNI-T\"\u003eUNI-T\u003c\/a\u003e\n\u003c\/div\u003e\n\u003cdiv id=\"variant-inventory\"\u003e\u003cspan class=\"in-stock\"\u003eIn stock!\u003c\/span\u003e\u003c\/div\u003e","brand":"UNI-T","offers":[{"title":"Default Title","offer_id":50893099991253,"sku":"","price":74500.0,"currency_code":"LKR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0679\/7587\/2725\/files\/uni-t-ut522-digital-earth-tester-front-display.jpg?v=1761216497","url":"https:\/\/nanozone.lk\/products\/uni-t-ut522-digital-earth-resistance-meter","provider":"NanoZone.LK","version":"1.0","type":"link"}