{"title":"Earth Resistance Testers","description":"\u003cp\u003e\u003cmeta charset=\"utf-8\"\u003eShop earth resistance testers for measuring grounding systems, soil resistivity and earth-loop resistance. Choose conventional and clamp-type instruments for electrical installation, maintenance and safety verification.\u003c\/p\u003e","products":[{"product_id":"uni-t-ut276a-plus-clamp-earth-resistance-tester","title":"UNI-T Clamp Earth Resistance Tester, 0.001 Ω Resolution, 32 mm Jaw – UT276A+","description":"\u003cp\u003eThe UNI-T UT276A+ is a clamp earth resistance tester for fast, non-intrusive testing of closed-loop grounding systems. It measures earth loop resistance without disconnecting the grounding conductor or installing auxiliary electrodes, making it suitable for electrical maintenance and grounding inspections.\u003c\/p\u003e\n\u003cdiv style=\"font-family: Helvetica, Arial, sans-serif; color: #000000; font-size: 12pt; line-height: 1.5;\"\u003e\n\u003ch2 style=\"font-size: 14pt;\"\u003eKey Features\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eMeasures earth loop resistance from 0.01Ω to 500Ω without disconnecting the grounding conductor\u003c\/li\u003e\n\u003cli\u003eClamp-on measurement requires no auxiliary earth electrodes\u003c\/li\u003e\n\u003cli\u003e32mm jaw opening accommodates grounding conductors and equipotential busbars\u003c\/li\u003e\n\u003cli\u003eStores up to 300 records with data hold and recall functions\u003c\/li\u003e\n\u003cli\u003eAdjustable resistance limits with audible and visual alarms\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2 style=\"font-size: 14pt;\"\u003eProduct Specifications\u003c\/h2\u003e\n\u003ctable style=\"border-collapse: collapse; width: 100%; font-size: 12pt;\" border=\"1\" cellspacing=\"0\" cellpadding=\"8\"\u003e\n\u003ctbody\u003e\n\u003ctr style=\"background-color: #f5f5f5;\"\u003e\n\u003cth style=\"text-align: left;\"\u003eSpecification\u003c\/th\u003e\n\u003cth style=\"text-align: left;\"\u003eDetails\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBrand\u003c\/td\u003e\n\u003ctd\u003eUNI-T\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSeries\u003c\/td\u003e\n\u003ctd\u003eUT270+ Series\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eModel\u003c\/td\u003e\n\u003ctd\u003eUT276A+\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMeasurement Type\u003c\/td\u003e\n\u003ctd\u003eClamp-on earth loop resistance measurement\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOverall Resistance Range\u003c\/td\u003e\n\u003ctd\u003e0.010–500Ω\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eResistance Range: 0.010–0.099Ω\u003c\/td\u003e\n\u003ctd\u003eResolution: 0.001Ω; Accuracy: ±(1% + 0.01Ω)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eResistance Range: 0.1–0.99Ω\u003c\/td\u003e\n\u003ctd\u003eResolution: 0.01Ω; Accuracy: ±(1% + 0.01Ω)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eResistance Range: 1.0–49.9Ω\u003c\/td\u003e\n\u003ctd\u003eResolution: 0.1Ω; Accuracy: ±(1% + 0.1Ω)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eResistance Range: 50.0–99.5Ω\u003c\/td\u003e\n\u003ctd\u003eResolution: 0.5Ω; Accuracy: ±(1.5% + 0.5Ω)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eResistance Range: 100–199Ω\u003c\/td\u003e\n\u003ctd\u003eResolution: 1Ω; Accuracy: ±(2% + 1Ω)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eResistance Range: 200–395Ω\u003c\/td\u003e\n\u003ctd\u003eResolution: 5Ω; Accuracy: ±(5% + 5Ω)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eResistance Range: 400–500Ω\u003c\/td\u003e\n\u003ctd\u003eResolution: 10Ω; Accuracy: ±(10% + 10Ω)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRange Selection\u003c\/td\u003e\n\u003ctd\u003eAutomatic\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eJaw Opening\u003c\/td\u003e\n\u003ctd\u003e32mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eData Storage\u003c\/td\u003e\n\u003ctd\u003e300 records\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eData Hold and Recall\u003c\/td\u003e\n\u003ctd\u003eSupported\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eResistance Limit Alarm\u003c\/td\u003e\n\u003ctd\u003eAdjustable high and low limits with audible and visual indication\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInterference Signal Recognition\u003c\/td\u003e\n\u003ctd\u003eSupported\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eAutomatic Calibration\u003c\/td\u003e\n\u003ctd\u003eSupported\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOver-Range Indication\u003c\/td\u003e\n\u003ctd\u003eSupported\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eAutomatic Power-Off\u003c\/td\u003e\n\u003ctd\u003eSupported\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eLow-Battery Indication\u003c\/td\u003e\n\u003ctd\u003eSupported\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDisplay\u003c\/td\u003e\n\u003ctd\u003e4-digit EBTN LCD with backlight\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDisplay Size\u003c\/td\u003e\n\u003ctd\u003e47 × 28.5mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePower Supply\u003c\/td\u003e\n\u003ctd\u003e4 × 1.5V LR6 (AA) batteries\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eProduct Dimensions\u003c\/td\u003e\n\u003ctd\u003e285 × 85 × 56mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eNet Weight\u003c\/td\u003e\n\u003ctd\u003e1.18kg\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eProduct Colour\u003c\/td\u003e\n\u003ctd\u003eRed and grey\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSafety Rating\u003c\/td\u003e\n\u003ctd\u003eCAT III 300V\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCertifications\u003c\/td\u003e\n\u003ctd\u003eCE and UKCA\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch2 style=\"font-size: 14pt;\"\u003eApplications\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eBuilding lightning protection and grounding systems\u003c\/li\u003e\n\u003cli\u003ePetrol station and industrial facility grounding inspections\u003c\/li\u003e\n\u003cli\u003eTransmission towers, transformer neutral points and substations\u003c\/li\u003e\n\u003cli\u003ePower plants, equipment rooms and building grounding networks\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2 style=\"font-size: 14pt;\"\u003eIncluded Components\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e1 × UNI-T UT276A+ Clamp Earth Resistance Tester\u003c\/li\u003e\n\u003cli\u003e4 × 1.5V LR6 (AA) batteries\u003c\/li\u003e\n\u003cli\u003e1 × Resistance test ring\u003c\/li\u003e\n\u003cli\u003e1 × English user manual\u003c\/li\u003e\n\u003cli\u003e1 × Tool box\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e","brand":"UNI-T","offers":[{"title":"UT276A+","offer_id":58730085810501,"sku":"002986","price":279.72,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0994\/0955\/9877\/files\/b672f9ca-108c-4a5e-9809-4ab16a861533.jpg?v=1785495578"},{"product_id":"uni-t-ut522-4000-ohm-digital-earth-resistance-tester","title":"UNI-T Digital Earth Resistance Tester, 0-4000 Ω, 400 V, 4000 Counts, 2-Wire \u0026 3-Wire – UT522","description":"\u003cp\u003eThe UNI-T UT522 is a portable digital earth resistance tester supporting precise three-wire and simplified two-wire measurements up to 4000Ω. It also measures AC earth voltage up to 400V and includes the leads and auxiliary earth spikes required for field testing.\u003c\/p\u003e\n\u003cdiv style=\"font-family: Helvetica, Arial, sans-serif; color: #000000; font-size: 12pt; line-height: 1.5;\"\u003e\n\u003ch2 style=\"font-size: 14pt; margin: 0 0 10px 0;\"\u003eKey Features\u003c\/h2\u003e\n\u003cul style=\"margin-top: 0; padding-left: 22px;\"\u003e\n\u003cli\u003eMeasures earth resistance up to 4000Ω across three selectable ranges\u003c\/li\u003e\n\u003cli\u003eSupports precise three-wire and simplified two-wire testing methods\u003c\/li\u003e\n\u003cli\u003eMeasures AC earth voltage up to 400V at 50Hz or 60Hz\u003c\/li\u003e\n\u003cli\u003eStores up to 20 readings with data-hold and backlit-display functions\u003c\/li\u003e\n\u003cli\u003eProvides poor-contact indication, over-range warning and double-insulation protection\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2 style=\"font-size: 14pt; margin: 20px 0 10px 0;\"\u003eProduct Specifications\u003c\/h2\u003e\n\u003ctable style=\"width: 100%; border-collapse: collapse; font-size: 12pt;\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth style=\"width: 40%; border: 1px solid #000000; padding: 7px; text-align: left; background-color: #f5f5f5;\"\u003eSpecification\u003c\/th\u003e\n\u003cth style=\"border: 1px solid #000000; padding: 7px; text-align: left; background-color: #f5f5f5;\"\u003eDetails\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border: 1px solid #000000; padding: 7px;\"\u003eBrand\u003c\/td\u003e\n\u003ctd style=\"border: 1px solid #000000; padding: 7px;\"\u003eUNI-T\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border: 1px solid #000000; padding: 7px;\"\u003eModel\u003c\/td\u003e\n\u003ctd style=\"border: 1px solid #000000; padding: 7px;\"\u003eUT522\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border: 1px solid #000000; padding: 7px;\"\u003eTester Type\u003c\/td\u003e\n\u003ctd style=\"border: 1px solid #000000; padding: 7px;\"\u003eDigital earth resistance tester\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border: 1px solid #000000; padding: 7px;\"\u003eMeasurement Methods\u003c\/td\u003e\n\u003ctd style=\"border: 1px solid #000000; padding: 7px;\"\u003ePrecise three-wire and simplified two-wire testing\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border: 1px solid #000000; padding: 7px;\"\u003eEarth Resistance Ranges\u003c\/td\u003e\n\u003ctd style=\"border: 1px solid #000000; padding: 7px;\"\u003e0–40Ω \/ 0–400Ω \/ 0–4000Ω\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border: 1px solid #000000; padding: 7px;\"\u003e40Ω Range Accuracy\u003c\/td\u003e\n\u003ctd style=\"border: 1px solid #000000; padding: 7px;\"\u003e±(2% + 20 digits)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border: 1px solid #000000; padding: 7px;\"\u003e400Ω Range Accuracy\u003c\/td\u003e\n\u003ctd style=\"border: 1px solid #000000; padding: 7px;\"\u003e±(2% + 3 digits)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border: 1px solid #000000; padding: 7px;\"\u003e4000Ω Range Accuracy\u003c\/td\u003e\n\u003ctd style=\"border: 1px solid #000000; padding: 7px;\"\u003e±(2% + 3 digits)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border: 1px solid #000000; padding: 7px;\"\u003eAC Earth Voltage Range\u003c\/td\u003e\n\u003ctd style=\"border: 1px solid #000000; padding: 7px;\"\u003e0–400V\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border: 1px solid #000000; padding: 7px;\"\u003eAC Earth Voltage Accuracy\u003c\/td\u003e\n\u003ctd style=\"border: 1px solid #000000; padding: 7px;\"\u003e±(1% + 6 digits)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border: 1px solid #000000; padding: 7px;\"\u003eEarth Voltage Frequency\u003c\/td\u003e\n\u003ctd style=\"border: 1px solid #000000; padding: 7px;\"\u003e50Hz \/ 60Hz\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border: 1px solid #000000; padding: 7px;\"\u003eDisplay Count\u003c\/td\u003e\n\u003ctd style=\"border: 1px solid #000000; padding: 7px;\"\u003e4000 counts\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border: 1px solid #000000; padding: 7px;\"\u003eRanging\u003c\/td\u003e\n\u003ctd style=\"border: 1px solid #000000; padding: 7px;\"\u003eManual\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border: 1px solid #000000; padding: 7px;\"\u003eData Storage\u003c\/td\u003e\n\u003ctd style=\"border: 1px solid #000000; padding: 7px;\"\u003e20 readings\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border: 1px solid #000000; padding: 7px;\"\u003eDisplay\u003c\/td\u003e\n\u003ctd style=\"border: 1px solid #000000; padding: 7px;\"\u003eBacklit LCD with full function-symbol display\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border: 1px solid #000000; padding: 7px;\"\u003eAdditional Functions\u003c\/td\u003e\n\u003ctd style=\"border: 1px solid #000000; padding: 7px;\"\u003eData hold, low-battery indication, over-range display and poor-contact indication\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border: 1px solid #000000; padding: 7px;\"\u003eInsulation Protection\u003c\/td\u003e\n\u003ctd style=\"border: 1px solid #000000; padding: 7px;\"\u003eDouble insulated\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border: 1px solid #000000; padding: 7px;\"\u003eAutomatic Power-Off\u003c\/td\u003e\n\u003ctd style=\"border: 1px solid #000000; padding: 7px;\"\u003eApproximately 10 minutes\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border: 1px solid #000000; padding: 7px;\"\u003eCertifications\u003c\/td\u003e\n\u003ctd style=\"border: 1px solid #000000; padding: 7px;\"\u003eCE and UKCA\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border: 1px solid #000000; padding: 7px;\"\u003ePower Supply\u003c\/td\u003e\n\u003ctd style=\"border: 1px solid #000000; padding: 7px;\"\u003e6 × 1.5V AA batteries\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border: 1px solid #000000; padding: 7px;\"\u003eLCD Size\u003c\/td\u003e\n\u003ctd style=\"border: 1px solid #000000; padding: 7px;\"\u003e70.6 × 34mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border: 1px solid #000000; padding: 7px;\"\u003eDimensions\u003c\/td\u003e\n\u003ctd style=\"border: 1px solid #000000; padding: 7px;\"\u003e160 × 100 × 70.5mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border: 1px solid #000000; padding: 7px;\"\u003eNet Weight\u003c\/td\u003e\n\u003ctd style=\"border: 1px solid #000000; padding: 7px;\"\u003eApproximately 560g\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch2 style=\"font-size: 14pt; margin: 20px 0 10px 0;\"\u003eApplications\u003c\/h2\u003e\n\u003cul style=\"margin-top: 0; padding-left: 22px;\"\u003e\n\u003cli\u003eElectrical installation and power-system earthing tests\u003c\/li\u003e\n\u003cli\u003eLightning-protection system inspection\u003c\/li\u003e\n\u003cli\u003eIndustrial equipment and facility grounding checks\u003c\/li\u003e\n\u003cli\u003ePreventive maintenance of building and utility earth systems\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2 style=\"font-size: 14pt; margin: 20px 0 10px 0;\"\u003eIncluded Components\u003c\/h2\u003e\n\u003cul style=\"margin-top: 0; padding-left: 22px;\"\u003e\n\u003cli\u003eUNI-T UT522 digital earth resistance tester\u003c\/li\u003e\n\u003cli\u003eStandard test leads with alligator clips\u003c\/li\u003e\n\u003cli\u003eSimplified test leads with alligator clips\u003c\/li\u003e\n\u003cli\u003eAuxiliary earth spikes\u003c\/li\u003e\n\u003cli\u003e6 × 1.5V AA batteries\u003c\/li\u003e\n\u003cli\u003eCarrying bag, shoulder strap and user documentation\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e","brand":"UNI-T","offers":[{"title":"UT522","offer_id":58765539541317,"sku":"003127","price":169.78,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0994\/0955\/9877\/files\/3d8ec1cc-500b-4d33-b9d1-482ff861c7da.jpg?v=1785850618"},{"product_id":"uni-t-ut275-clamp-earth-resistance-tester","title":"UNI-T Clamp Earth Resistance Tester, 0.01–1000 Ω, 30 A – UT275","description":"\u003cp\u003eThe UNI-T UT275 is a clamp earth resistance tester for measuring grounding resistance from 0.01 to 1000Ω and leakage current up to 30A. Its 28mm clamp jaw enables grounding-system checks without disconnecting ground lines or using auxiliary electrodes.\u003c\/p\u003e\n\u003ch2\u003eKey Features\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eClamp measurement of earth ground resistance from 0.01 to 1000Ω\u003c\/li\u003e\n\u003cli\u003eLeakage current measurement up to 30A\u003c\/li\u003e\n\u003cli\u003e28mm jaw opening for conductors and grounding connections\u003c\/li\u003e\n\u003cli\u003eResistance limit alarm, automatic range and automatic calibration\u003c\/li\u003e\n\u003cli\u003eData hold, data recall, backlight, low-battery indication and 30-set data storage\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eProduct Specifications\u003c\/h2\u003e\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth\u003eProduct Type\u003c\/th\u003e\n\u003ctd\u003eClamp Earth Resistance Tester\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eModel\u003c\/th\u003e\n\u003ctd\u003eUT275\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eDisplay\u003c\/th\u003e\n\u003ctd\u003eLCD, 10000 counts\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eJaw Opening\u003c\/th\u003e\n\u003ctd\u003e28 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eData Storage\u003c\/th\u003e\n\u003ctd\u003e30 sets\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003ePower Supply\u003c\/th\u003e\n\u003ctd\u003e1.5V LR6 batteries × 4\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eProduct Dimensions\u003c\/th\u003e\n\u003ctd\u003e293 × 90 × 66 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eNet Weight\u003c\/th\u003e\n\u003ctd\u003e1.32 kg\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch2\u003eMeasurement Specifications\u003c\/h2\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003eMeasurement\u003c\/th\u003e\n\u003cth\u003eRange\u003c\/th\u003e\n\u003cth\u003eAccuracy\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eEarth Ground Resistance\u003c\/td\u003e\n\u003ctd\u003e0.01–0.099Ω\u003c\/td\u003e\n\u003ctd\u003e±(1% + 0.01Ω)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eEarth Ground Resistance\u003c\/td\u003e\n\u003ctd\u003e0.1–0.99Ω\u003c\/td\u003e\n\u003ctd\u003e±(1% + 0.01Ω)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eEarth Ground Resistance\u003c\/td\u003e\n\u003ctd\u003e1–49.9Ω\u003c\/td\u003e\n\u003ctd\u003e±(1.5% + 0.1Ω)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eEarth Ground Resistance\u003c\/td\u003e\n\u003ctd\u003e50–99.5Ω\u003c\/td\u003e\n\u003ctd\u003e±(2% + 0.5Ω)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eEarth Ground Resistance\u003c\/td\u003e\n\u003ctd\u003e100–199Ω\u003c\/td\u003e\n\u003ctd\u003e±(3% + 1Ω)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eEarth Ground Resistance\u003c\/td\u003e\n\u003ctd\u003e200–395Ω\u003c\/td\u003e\n\u003ctd\u003e±(10% + 5Ω)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eEarth Ground Resistance\u003c\/td\u003e\n\u003ctd\u003e400–590Ω\u003c\/td\u003e\n\u003ctd\u003e±(20% + 10Ω)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eEarth Ground Resistance\u003c\/td\u003e\n\u003ctd\u003e600–1000Ω\u003c\/td\u003e\n\u003ctd\u003e±(25% + 20Ω)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eLeakage Current\u003c\/td\u003e\n\u003ctd\u003e0–299mA\u003c\/td\u003e\n\u003ctd\u003e±(2.5% + 2mA)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eLeakage Current\u003c\/td\u003e\n\u003ctd\u003e0.3–2.99A\u003c\/td\u003e\n\u003ctd\u003e±(2.5% + 100mA)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eLeakage Current\u003c\/td\u003e\n\u003ctd\u003e3–30A\u003c\/td\u003e\n\u003ctd\u003e±(2.5% + 300mA)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch2\u003eApplications\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eGrounding-system inspection\u003c\/li\u003e\n\u003cli\u003eElectrical installation maintenance\u003c\/li\u003e\n\u003cli\u003eTelecommunications and equipment-room testing\u003c\/li\u003e\n\u003cli\u003ePower distribution and industrial grounding checks\u003c\/li\u003e\n\u003cli\u003eLightning-protection and grounding continuity inspection\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eIncluded Components\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eUT275 clamp earth resistance tester\u003c\/li\u003e\n\u003cli\u003e1.5V LR6 batteries × 4\u003c\/li\u003e\n\u003cli\u003eTest ring\u003c\/li\u003e\n\u003cli\u003eUser manual\u003c\/li\u003e\n\u003cli\u003eGift box and tool box\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"UNI-T","offers":[{"title":"UT275","offer_id":58854977012037,"sku":"003152","price":432.04,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0994\/0955\/9877\/files\/99700713-43de-421d-bf1b-683021bf12ec.jpg?v=1786589084"},{"product_id":"uni-t-ut572-advanced-earth-resistance-tester","title":"UNI-T Earth Resistance Tester, 4 Ω–40 kΩ, Soil Resistivity – UT572","description":"\u003cp\u003eThe UNI-T UT572 is an advanced earth resistance tester for 2-, 3- and 4-wire earth resistance and soil resistivity measurements. It also measures disturbance voltage and frequency, with selectable 94Hz\/128Hz test frequencies, 20-set data storage and field-ready test accessories.\u003c\/p\u003e\n\u003ch2\u003eKey Features\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e2-wire, 3-wire and 4-wire earth resistance measurement\u003c\/li\u003e\n\u003cli\u003eSoil resistivity testing with selectable test distances from 1 to 40m\u003c\/li\u003e\n\u003cli\u003eEarth resistance ranges from 4Ω to 40kΩ\u003c\/li\u003e\n\u003cli\u003eSelectable 94Hz and 128Hz test frequencies for earth resistance measurements\u003c\/li\u003e\n\u003cli\u003eDisturbance voltage\/frequency detection, data hold, LCD backlight and 20-set data storage\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eProduct Specifications\u003c\/h2\u003e\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth\u003eProduct Type\u003c\/th\u003e\n\u003ctd\u003eAdvanced Earth Resistance Tester\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eModel\u003c\/th\u003e\n\u003ctd\u003eUT572\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eTest Methods\u003c\/th\u003e\n\u003ctd\u003e2-wire, 3-wire and 4-wire\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eEarth Resistance Ranges\u003c\/th\u003e\n\u003ctd\u003e4Ω, 40Ω, 400Ω, 4kΩ and 40kΩ\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eEarth Resistance Accuracy\u003c\/th\u003e\n\u003ctd\u003e±(3% + 15) on 4Ω range; ±(3% + 5) on 40Ω to 40kΩ ranges\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eSoil Resistivity\u003c\/th\u003e\n\u003ctd\u003eρ = 2 × π × L × Re, based on the measured earth resistance\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eSoil Resistivity Test Distance\u003c\/th\u003e\n\u003ctd\u003e1–40m\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eDisturbance Voltage\u003c\/th\u003e\n\u003ctd\u003e50V DC \/ 40–500Hz AC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eDisturbance Voltage Accuracy\u003c\/th\u003e\n\u003ctd\u003e±(3% + 3)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eDisturbance Frequency\u003c\/th\u003e\n\u003ctd\u003e40–500Hz\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eDisturbance Frequency Accuracy\u003c\/th\u003e\n\u003ctd\u003e±(1% + 2)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eTest Frequency\u003c\/th\u003e\n\u003ctd\u003e94Hz \/ 128Hz\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eDisplay\u003c\/th\u003e\n\u003ctd\u003e4-digit LCD, 125 × 37mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eSampling Time\u003c\/th\u003e\n\u003ctd\u003e5s\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eData Storage\u003c\/th\u003e\n\u003ctd\u003e20 sets\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003ePower Supply\u003c\/th\u003e\n\u003ctd\u003e1.5V LR6 batteries × 8\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eAuto Power-Off\u003c\/th\u003e\n\u003ctd\u003eApproximately 5 minutes\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eProduct Dimensions\u003c\/th\u003e\n\u003ctd\u003e210 × 175 × 90mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eNet Weight\u003c\/th\u003e\n\u003ctd\u003e1100g\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eCertifications\u003c\/th\u003e\n\u003ctd\u003eCE, UKCA\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch2\u003eMeasurement Specifications\u003c\/h2\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003eFunction\u003c\/th\u003e\n\u003cth\u003eRange\u003c\/th\u003e\n\u003cth\u003eAccuracy\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eEarth Resistance\u003c\/td\u003e\n\u003ctd\u003e4Ω\u003c\/td\u003e\n\u003ctd\u003e±(3% + 15)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eEarth Resistance\u003c\/td\u003e\n\u003ctd\u003e40Ω, 400Ω, 4kΩ, 40kΩ\u003c\/td\u003e\n\u003ctd\u003e±(3% + 5)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDisturbance Voltage\u003c\/td\u003e\n\u003ctd\u003e50V DC \/ 40–500Hz AC\u003c\/td\u003e\n\u003ctd\u003e±(3% + 3)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDisturbance Frequency\u003c\/td\u003e\n\u003ctd\u003e40–500Hz\u003c\/td\u003e\n\u003ctd\u003e±(1% + 2)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch2\u003eApplications\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003ePower equipment grounding inspection\u003c\/li\u003e\n\u003cli\u003eLightning-protection system testing\u003c\/li\u003e\n\u003cli\u003eElectrical installation and grounding-system verification\u003c\/li\u003e\n\u003cli\u003eSoil resistivity surveys for grounding-system design\u003c\/li\u003e\n\u003cli\u003eIndustrial, commercial and field electrical maintenance\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eIncluded Components\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eUT572 advanced earth resistance tester\u003c\/li\u003e\n\u003cli\u003e1.5V LR6 batteries × 8\u003c\/li\u003e\n\u003cli\u003eSimple test leads with alligator clips\u003c\/li\u003e\n\u003cli\u003eStandard test leads with alligator clips\u003c\/li\u003e\n\u003cli\u003eEarth spikes\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"UNI-T","offers":[{"title":"UT572","offer_id":58854977077573,"sku":"003154","price":451.75,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0994\/0955\/9877\/files\/3045217d-dc91-4cbc-8d4f-6628bfce8478.jpg?v=1786589088"},{"product_id":"uni-t-ut278a-plus-1200ohm-clamp-earth-tester","title":"UNI-T Clamp Earth Resistance Tester, 0.01–1200 Ω – UT278A+","description":"\u003cp\u003eThe UNI-T UT278A+ is a clamp earth tester designed to measure ground-loop resistance without disconnecting the grounding conductor or using auxiliary stakes. It measures resistance up to 1200Ω and AC leakage current up to 20A while storing as many as 300 readings.\u003c\/p\u003e\n\u003ch2\u003eKey Features\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eClamp Earth Testing\u003c\/strong\u003e – Measures closed-loop grounding systems without auxiliary stakes\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWide Resistance Range\u003c\/strong\u003e – Measures ground-loop resistance from 0.010Ω to 1200Ω\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLeakage Current Testing\u003c\/strong\u003e – Measures AC current from 0.00mA to 20.0A\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDual-Parameter Display\u003c\/strong\u003e – Shows resistance and current on the same screen\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLarge Clamp Opening\u003c\/strong\u003e – Accommodates conductors up to approximately 28mm in diameter\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eData Storage\u003c\/strong\u003e – Saves up to 300 measurement records\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInterference Detection\u003c\/strong\u003e – Identifies excessive noise that may affect measurements\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAudible and Visual Alarm\u003c\/strong\u003e – Warns when readings exceed a set threshold\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eProduct Specifications\u003c\/h2\u003e\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eBrand\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eUNI-T\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eModel\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eUT278A+\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eProduct Type\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eClamp Earth Ground Tester\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMeasurement Method\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eMutual-induction clamp measurement\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eGround-Loop Resistance Range\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e0.010Ω to 1200Ω\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMaximum Resistance Resolution\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e0.001Ω\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eAC Current Range\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e0.00mA to 20.0A\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMaximum Current Resolution\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e0.01mA\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eDisplay\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e4-digit LCD\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eDisplay Size\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eApproximately 46 × 29mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eResistance and Current Display\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eSimultaneous Ω and A display\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eClamp Size\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eApproximately 55 × 32mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMaximum Conductor Diameter\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eApproximately 28mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMeasurement Rate\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eApproximately 2 readings per second\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eData Storage\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e300 groups\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eSafety Rating\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eCAT III 300V\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eAutomatic Power Off\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eApproximately 5 minutes without operation\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003ePower Supply\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e4 × 1.5V AA alkaline batteries\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eDimensions\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eApproximately 285 × 85 × 58mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eWeight\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eApproximately 1.18kg including batteries\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch2\u003eResistance Measurement Accuracy\u003c\/h2\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003eRange\u003c\/th\u003e\n\u003cth\u003eResolution\u003c\/th\u003e\n\u003cth\u003eAccuracy\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e0.010Ω to 0.099Ω\u003c\/td\u003e\n\u003ctd\u003e0.001Ω\u003c\/td\u003e\n\u003ctd\u003e±(1% + 0.01Ω)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e0.10Ω to 0.99Ω\u003c\/td\u003e\n\u003ctd\u003e0.01Ω\u003c\/td\u003e\n\u003ctd\u003e±(1% + 0.01Ω)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e1.0Ω to 49.9Ω\u003c\/td\u003e\n\u003ctd\u003e0.1Ω\u003c\/td\u003e\n\u003ctd\u003e±(1% + 0.1Ω)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e50.0Ω to 99.5Ω\u003c\/td\u003e\n\u003ctd\u003e0.5Ω\u003c\/td\u003e\n\u003ctd\u003e±(1.5% + 0.5Ω)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e100Ω to 199Ω\u003c\/td\u003e\n\u003ctd\u003e1Ω\u003c\/td\u003e\n\u003ctd\u003e±(2% + 1Ω)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e200Ω to 395Ω\u003c\/td\u003e\n\u003ctd\u003e5Ω\u003c\/td\u003e\n\u003ctd\u003e±(5% + 5Ω)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e400Ω to 590Ω\u003c\/td\u003e\n\u003ctd\u003e10Ω\u003c\/td\u003e\n\u003ctd\u003e±(10% + 10Ω)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e600Ω to 880Ω\u003c\/td\u003e\n\u003ctd\u003e20Ω\u003c\/td\u003e\n\u003ctd\u003e±(20% + 20Ω)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e900Ω to 1200Ω\u003c\/td\u003e\n\u003ctd\u003e30Ω\u003c\/td\u003e\n\u003ctd\u003e±(25% + 30Ω)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch2\u003eAC Current Measurement Accuracy\u003c\/h2\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003eRange\u003c\/th\u003e\n\u003cth\u003eResolution\u003c\/th\u003e\n\u003cth\u003eAccuracy\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e0.00mA to 9.95mA\u003c\/td\u003e\n\u003ctd\u003e0.01mA\u003c\/td\u003e\n\u003ctd\u003e±(2.5% + 1mA)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e10.0mA to 99.0mA\u003c\/td\u003e\n\u003ctd\u003e0.1mA\u003c\/td\u003e\n\u003ctd\u003e±(2.5% + 5mA)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e100mA to 300mA\u003c\/td\u003e\n\u003ctd\u003e1mA\u003c\/td\u003e\n\u003ctd\u003e±(2.5% + 10mA)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e0.30A to 2.99A\u003c\/td\u003e\n\u003ctd\u003e0.01A\u003c\/td\u003e\n\u003ctd\u003e±(2.5% + 0.1A)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e3.0A to 9.9A\u003c\/td\u003e\n\u003ctd\u003e0.1A\u003c\/td\u003e\n\u003ctd\u003e±(2.5% + 0.3A)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e10.0A to 20.0A\u003c\/td\u003e\n\u003ctd\u003e0.1A\u003c\/td\u003e\n\u003ctd\u003e±(2.5% + 0.5A)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch2\u003eFunctions\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eGround-loop resistance measurement\u003c\/li\u003e\n\u003cli\u003eAC current and leakage-current measurement\u003c\/li\u003e\n\u003cli\u003eSimultaneous resistance and current display\u003c\/li\u003e\n\u003cli\u003eAutomatic ranging\u003c\/li\u003e\n\u003cli\u003eData hold\u003c\/li\u003e\n\u003cli\u003eStorage and review of up to 300 readings\u003c\/li\u003e\n\u003cli\u003eInterference-signal recognition\u003c\/li\u003e\n\u003cli\u003eAudible and visual threshold alarm\u003c\/li\u003e\n\u003cli\u003eOver-range indication\u003c\/li\u003e\n\u003cli\u003eLow-battery indication\u003c\/li\u003e\n\u003cli\u003eAutomatic power-off\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eApplications\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eMulti-point grounding systems\u003c\/li\u003e\n\u003cli\u003eElectrical distribution equipment\u003c\/li\u003e\n\u003cli\u003eTelecommunications grounding networks\u003c\/li\u003e\n\u003cli\u003eLightning-protection grounding systems\u003c\/li\u003e\n\u003cli\u003eIndustrial equipment grounding inspection\u003c\/li\u003e\n\u003cli\u003eLeakage-current monitoring\u003c\/li\u003e\n\u003cli\u003eRoutine electrical safety maintenance\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eIncluded Components\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eUNI-T UT278A+ clamp earth tester\u003c\/li\u003e\n\u003cli\u003eTest ring\u003c\/li\u003e\n\u003cli\u003e4 × 1.5V AA batteries\u003c\/li\u003e\n\u003cli\u003eToolbox\u003c\/li\u003e\n\u003cli\u003eUser manual\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eApplication Notice:\u003c\/strong\u003e Clamp resistance measurement requires a closed grounding loop with a return path. A completely isolated single ground electrode cannot be measured directly using the clamp method.\u003c\/p\u003e","brand":"UNI-T","offers":[{"title":"UT278A+","offer_id":58874882785605,"sku":"003214","price":377.46,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0994\/0955\/9877\/files\/ee81747f-0c0b-4f5c-af25-51bbcdb15493.jpg?v=1786686001"}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0994\/0955\/9877\/collections\/UT572-1.jpg?v=1789311250","url":"https:\/\/www.periplusmro.com\/en-hu\/collections\/earth-resistance-testers.oembed","provider":"PERIPLUS MRO SHOP","version":"1.0","type":"link"}