{"product_id":"uni-t-ut523a-earth-soil-resistivity-tester","title":"UNI-T UT523A Earth Resistance \u0026 Soil Resistivity Tester – 0~210 kΩ, Soil Resistivity (Wenner), Earth Voltage AC 0~750 V, 4-Pole, Auto-Range","description":"\u003cp\u003eThe \u003cstrong\u003eUNI-T UT523A\u003c\/strong\u003e is a professional \u003cstrong\u003eearth resistance and soil resistivity tester\u003c\/strong\u003e for grounding-system commissioning and maintenance — measuring earth (ground) resistance up to \u003cstrong\u003e210 kΩ\u003c\/strong\u003e, \u003cstrong\u003esoil resistivity\u003c\/strong\u003e by the 4-pole Wenner method, and earth voltage up to \u003cstrong\u003eAC 750 V\u003c\/strong\u003e.\u003c\/p\u003e\n\u003cp\u003eIt uses a rated-current pole-changing method (max 20 mA) with automatic \u003cstrong\u003eAFC test frequencies (128\/111\/105\/94 Hz)\u003c\/strong\u003e to reject interference, auto-ranges across all scales, and holds \u003cstrong\u003e±(2%+5)\u003c\/strong\u003e accuracy — ideal for substations, lightning-protection systems, towers and electrical installations. Genuine UNI-T product supplied by Digilog.pk with warranty and English manual.\u003c\/p\u003e\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e🌍 \u003cstrong\u003eEarth resistance\u003c\/strong\u003e 0.00 Ω ~ 210 kΩ at \u003cstrong\u003e±(2%+5)\u003c\/strong\u003e, auto-range\u003c\/li\u003e\n\u003cli\u003e🪨 \u003cstrong\u003eSoil resistivity\u003c\/strong\u003e (ρ) by 4-pole \u003cstrong\u003eWenner method\u003c\/strong\u003e, up to 9000 kΩ·m\u003c\/li\u003e\n\u003cli\u003e⚡ \u003cstrong\u003eEarth voltage\u003c\/strong\u003e AC 0 ~ 750 V measurement\u003c\/li\u003e\n\u003cli\u003e📡 \u003cstrong\u003eAFC test frequencies\u003c\/strong\u003e (128\/111\/105\/94 Hz) reject stray interference\u003c\/li\u003e\n\u003cli\u003e🔧 Rated-current pole-changing method, max 20 mA test current\u003c\/li\u003e\n\u003cli\u003e🛡️ Short-circuit current ≤30 mA, open-circuit ≤40 V; auto power-off\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\n\u003ctable\u003e\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth\u003eEarth resistance range\u003c\/th\u003e\n\u003ctd\u003e0.00 Ω ~ 210 kΩ (5 ranges)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eEarth resistance accuracy\u003c\/th\u003e\n\u003ctd\u003e±(2% + 5)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eSoil resistivity range\u003c\/th\u003e\n\u003ctd\u003e0 Ω·m ~ 9000 kΩ·m (ρ = 2πaR, Wenner method)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eEarth voltage\u003c\/th\u003e\n\u003ctd\u003eAC 0.00 ~ 750 V, ±(2% + 5)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eTest frequencies\u003c\/th\u003e\n\u003ctd\u003e128 \/ 111 \/ 105 \/ 94 Hz (AFC)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eMeasuring current (earth R)\u003c\/th\u003e\n\u003ctd\u003eRated-current pole-changing, max 20 mA\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eShort-circuit test current\u003c\/th\u003e\n\u003ctd\u003eAC 30 mA max\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eOpen-circuit test voltage\u003c\/th\u003e\n\u003ctd\u003eAC 40 V max\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eAuto range\u003c\/th\u003e\n\u003ctd\u003eYes\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\n\u003ch3\u003eWhat's in the Box\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eUT523A earth \/ soil resistivity tester\u003c\/li\u003e\n\u003cli\u003eTest lead set\u003c\/li\u003e\n\u003cli\u003eAuxiliary earth spikes\u003c\/li\u003e\n\u003cli\u003eCarrying case\u003c\/li\u003e\n\u003cli\u003eBatteries\u003c\/li\u003e\n\u003cli\u003eEnglish user manual\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eDownloads\u003c\/h3\u003e\n\u003cul\u003e\u003cli\u003e\u003ca href=\"https:\/\/meters.uni-trend.com\/product\/ut523a\/\" target=\"_blank\" rel=\"noopener\"\u003eUNI-T UT523A Product Page\u003c\/a\u003e\u003c\/li\u003e\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eCertifications:\u003c\/strong\u003e CE  |  \u003cstrong\u003eHS Code:\u003c\/strong\u003e 9030.39\u003c\/p\u003e","brand":"UNI-T","offers":[{"title":"Default Title","offer_id":51571530760470,"sku":"UT523A","price":106250.0,"currency_code":"PKR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0744\/0764\/1366\/files\/uni-t-ut523a-earth-soil-resistivity-tester-1.jpg?v=1784267099","url":"https:\/\/digilog.pk\/products\/uni-t-ut523a-earth-soil-resistivity-tester","provider":"digilog.pk","version":"1.0","type":"link"}