{"product_id":"uni-t-ut522-digital-earth-resistance-tester","title":"UNI-T UT522 | Digital Earth Resistance Tester","description":"\u003cp\u003eThe UNI-T UT522 Digital Earth Resistance Tester is a higher-range model in the UT520 series, suitable for grounding resistance checks in power systems, electrical equipment, lightning protection networks, industrial facilities, and field service work. It supports 2-wire and 3-wire testing, LCD backlight, data hold, 20-group storage, poor-contact indication, and over-range display. \u003c\/p\u003e\n\u003ch2\u003ePro Tip\u003c\/h2\u003e\n\u003cp\u003eBefore accepting an earth resistance value, check soil condition and spike contact; dry or loose soil around test spikes can increase reading instability.\u003c\/p\u003e\n\u003ch2\u003eBuyer’s Selection Guide\u003c\/h2\u003e\n\u003cp\u003eChoose the UT522 if you need a wider earth resistance range than UT521. With measurement up to 4000Ω and AC earth voltage up to 400V, it is better suited for more demanding grounding inspections and field testing.\u003c\/p\u003e\n\u003ch2\u003eKey Features\u003cbr\u003e\n\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eDigital Earth Resistance Tester\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003e2-wire and 3-wire test methods\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003eEarth resistance measurement up to 4000Ω\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003eAC earth voltage measurement up to 400V\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003e4000-count display\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003e20 groups data storage\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003eLCD backlight and auto power off\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003eDouble insulation design\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003ePoor contact and over-range warning\u003cbr\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eTechnical Specifications\u003cbr\u003e\n\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eModel: UT522\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003eProduct Type: Digital Earth Resistance Tester\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003eEarth Resistance Range: 0–40Ω \/ 0–400Ω \/ 0–4000Ω\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003eEarth Resistance Accuracy: ±(2%+20) \/ ±(2%+3), depending on range\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003eAC Earth Voltage: 0–400V\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003eFrequency: 50Hz \/ 60Hz\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003eDisplay Count: 4000\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003eData Storage: 20 groups\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003eTesting Methods: 2-wire and 3-wire\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003ePower: 1.5V LR6 battery × 6\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003eNet Weight: 560g\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003eProduct Size: 160 × 100 × 70.5mm\u003cbr\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eApplications\u003cbr\u003e\n\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eGround resistance testing\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003eLightning protection system testing\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003ePower distribution grounding inspection\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003eIndustrial earthing maintenance\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003eElectrical safety verification\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Uni-T Instruments","offers":[{"title":"Default Title","offer_id":48268000657665,"sku":"211490020","price":1.0,"currency_code":"PKR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0731\/5659\/1873\/files\/ut522.jpg?v=1774199025","url":"https:\/\/kamadi.pk\/products\/uni-t-ut522-digital-earth-resistance-tester","provider":"Kamadi Pakistan","version":"1.0","type":"link"}