{"product_id":"mg102-pocket-sized-1000v-insulation-resistance-tester","title":"MG102 | Pocket-Sized 1000V Insulation Resistance Tester","description":"\u003cdiv style=\"text-align: left;\"\u003e\n\u003ch1 class=\"my-2 [\u0026amp;+p]:mt-4 [\u0026amp;_strong:has(+br)]:inline-block [\u0026amp;_strong:has(+br)]:pb-2\"\u003eThe Sanwa MG102 Digital Insulation Tester is a professional-grade testing instrument built to ensure the safety and reliability of electrical systems.\u003c\/h1\u003e\n\u003cp class=\"my-2 [\u0026amp;+p]:mt-4 [\u0026amp;_strong:has(+br)]:inline-block [\u0026amp;_strong:has(+br)]:pb-2\"\u003eDesigned for electricians, maintenance professionals, and industrial users, this instrument is a DC insulation resistance tester designed to measure insulation resistance of electric lines and electric equipment in the range of the CAT.Ⅳ 300V and CAT.Ⅲ 600V, making it suitable for a wide range of applications from power line inspections to motor and cable testing.\u003c\/p\u003e\n\u003cp class=\"my-2 [\u0026amp;+p]:mt-4 [\u0026amp;_strong:has(+br)]:inline-block [\u0026amp;_strong:has(+br)]:pb-2\"\u003eFeaturing a large, backlit LCD for easy readability in any environment, the MG102 includes essential safety functions such as live circuit detection that prevents testing on energized circuits, automatic voltage discharge for user protection after testing, and a convenient data hold function for reading retention. Its ergonomic design with illuminated controls provides user comfort and operational clarity even in low-light conditions.\u003c\/p\u003e\n\u003cp class=\"my-2 [\u0026amp;+p]:mt-4 [\u0026amp;_strong:has(+br)]:inline-block [\u0026amp;_strong:has(+br)]:pb-2\"\u003eThe MG102 offers multiple resistance ranges up to 4000 MΩ, an audible continuity buzzer, and a clear comparator function to quickly assess pass\/fail results based on preset thresholds. Compliant with IEC61010 CAT III 600 V safety standards, this tester combines accuracy, durability, and safety to meet the demanding needs of fieldwork and industrial environments.\u003c\/p\u003e\n\u003cp class=\"my-2 [\u0026amp;+p]:mt-4 [\u0026amp;_strong:has(+br)]:inline-block [\u0026amp;_strong:has(+br)]:pb-2\"\u003eWhether performing routine electrical maintenance or critical safety testing, the Sanwa MG102 Digital Insulation Tester is an essential tool to diagnose insulation integrity confidently and ensure electrical systems are protected from potential faults or hazards.\u003c\/p\u003e\n\u003cp class=\"my-2 [\u0026amp;+p]:mt-4 [\u0026amp;_strong:has(+br)]:inline-block [\u0026amp;_strong:has(+br)]:pb-2\"\u003eKey Features:\u003c\/p\u003e\n\u003cul class=\"marker:text-quiet list-disc\"\u003e\n\u003cli\u003e\n\u003cp class=\"my-2 [\u0026amp;+p]:mt-4 [\u0026amp;_strong:has(+br)]:inline-block [\u0026amp;_strong:has(+br)]:pb-2\"\u003eSelectable test voltages: 50 V, 100 V, 125 V, 250 V, 500 V, 1000 V\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp class=\"my-2 [\u0026amp;+p]:mt-4 [\u0026amp;_strong:has(+br)]:inline-block [\u0026amp;_strong:has(+br)]:pb-2\"\u003eInsulation resistance measurement up to 4000 MΩ\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp class=\"my-2 [\u0026amp;+p]:mt-4 [\u0026amp;_strong:has(+br)]:inline-block [\u0026amp;_strong:has(+br)]:pb-2\"\u003eLarge, backlit LCD and illuminated button controls for ease of use\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp class=\"my-2 [\u0026amp;+p]:mt-4 [\u0026amp;_strong:has(+br)]:inline-block [\u0026amp;_strong:has(+br)]:pb-2\"\u003eLive circuit detection prevents dangerous testing on energized circuits\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp class=\"my-2 [\u0026amp;+p]:mt-4 [\u0026amp;_strong:has(+br)]:inline-block [\u0026amp;_strong:has(+br)]:pb-2\"\u003eAutomatic voltage discharge and data hold for enhanced safety and convenience\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp class=\"my-2 [\u0026amp;+p]:mt-4 [\u0026amp;_strong:has(+br)]:inline-block [\u0026amp;_strong:has(+br)]:pb-2\"\u003eAudible continuity buzzer and clear pass\/fail comparator function\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp class=\"my-2 [\u0026amp;+p]:mt-4 [\u0026amp;_strong:has(+br)]:inline-block [\u0026amp;_strong:has(+br)]:pb-2\"\u003eConforms to IEC61010 CAT III 600 V safety standards\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp class=\"my-2 [\u0026amp;+p]:mt-4 [\u0026amp;_strong:has(+br)]:inline-block [\u0026amp;_strong:has(+br)]:pb-2\"\u003ePocket-sized, ergonomic design suitable for field and lab use\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp class=\"my-2 [\u0026amp;+p]:mt-4 [\u0026amp;_strong:has(+br)]:inline-block [\u0026amp;_strong:has(+br)]:pb-2\"\u003eThis instrument is an ideal choice for electrical contractors, maintenance teams, and industrial safety inspectors looking for reliable and safe insulation testing equipment.\u003c\/p\u003e\n\u003ch4\u003eSpecifications\u003c\/h4\u003e\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth class=\"col_fnc\"\u003eFunction\u003c\/th\u003e\n\u003cth\u003eMeasuring Range\u003c\/th\u003e\n\u003cth class=\"col_subcat\"\u003eAccuracy\u003c\/th\u003e\n\u003cth class=\"col_subcat\"\u003eResolultion\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMΩ\u003c\/td\u003e\n\u003ctd\u003e50V     0.999\/9.99\/99.9MΩ\u003cbr\u003e100\/125V  0.999\/9.99\/99.9\/250MΩ\u003cbr\u003e250V    0.999\/9.99\/99.9\/500MΩ\u003cbr\u003e500\/1000V 0.999\/9.99\/99.9\/999\/4000MΩ\u003c\/td\u003e\n\u003ctd\u003e±(2%+6)\u003c\/td\u003e\n\u003ctd\u003e0.001MΩ\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRated voltage\u003c\/td\u003e\n\u003ctd\u003e50\/100\/125\/250\/500\/1000V\u003c\/td\u003e\n\u003ctd\u003e \u003c\/td\u003e\n\u003ctd\u003e \u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eACV\/DCV\u003c\/td\u003e\n\u003ctd\u003e600V（AC\/DC Automatic detection)\u003c\/td\u003e\n\u003ctd\u003e±(1.2%+5)\u003c\/td\u003e\n\u003ctd\u003e0.1V\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eΩ\u003c\/td\u003e\n\u003ctd\u003e999.9\/9.999k\/99.99k\/999.9kΩ\u003c\/td\u003e\n\u003ctd\u003e±(1.5%+7)\u003c\/td\u003e\n\u003ctd\u003e0.1Ω\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eContinuity\u003c\/td\u003e\n\u003ctd\u003e9.999Ω (Buzzer sounds at 30Ω or less.)\u003c\/td\u003e\n\u003ctd\u003e±(1.5%+7)\u003c\/td\u003e\n\u003ctd\u003e0.1Ω\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFrequency\u003c\/td\u003e\n\u003ctd\u003e1999Hz (Displayed during ACV measurement.)\u003c\/td\u003e\n\u003ctd\u003e±(0.5%+5)\u003c\/td\u003e\n\u003ctd\u003e1Hz\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd class=\"col_fnc\"\u003eRated current\u003c\/td\u003e\n\u003ctd\u003e1.0～1.2mA\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBattery\u003c\/td\u003e\n\u003ctd\u003eLR6(AA alkaline battery)×4\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSize\/Mass\u003c\/td\u003e\n\u003ctd\u003eH147×W68×D33mm\/Approx. 336g\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSafety standard\u003c\/td\u003e\n\u003ctd\u003eIEC61010 CAT.Ⅳ 300V CAT.Ⅲ 600V\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch4\u003eDownloads\u003cstrong\u003e\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0356\/8248\/4360\/files\/850032-i_07-24-2025.pdf\" title=\"850032 UV Light Meter Users Manual\" rel=\"noopener\" target=\"_blank\"\u003e\u003c\/a\u003e\u003c\/strong\u003e\n\u003c\/h4\u003e\n\u003cdiv style=\"text-align: left;\"\u003e\n\u003cdiv style=\"text-align: left;\"\u003e\u003cstrong\u003e\u003ca rel=\"noopener\" title=\"Sanwa MG102 Insulation Resistance Tester Datasheet\" href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0356\/8248\/4360\/files\/MG102-Datasheet.pdf\" target=\"_blank\"\u003e\u003cimg alt=\"PDF\" style=\"float: left;\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0356\/8248\/4360\/files\/pdf-icon-63x63_480x480.png?v=1598991821\"\u003e\u003c\/a\u003e\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0356\/8248\/4360\/files\/850009-i.pdf?v=1598908088\" target=\"_blank\"\u003e\u003cbr\u003e\u003c\/a\u003e\u003ca rel=\"noopener\" title=\"Sanwa MG102 Insulation Resistance Tester Datasheet\" href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0356\/8248\/4360\/files\/MG102-Datasheet.pdf\" target=\"_blank\"\u003eProduct Datasheet\u003c\/a\u003e\u003c\/strong\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: left;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: left;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: left;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: left;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"text-align: left;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003c\/div\u003e\n\u003cp class=\"my-2 [\u0026amp;+p]:mt-4 [\u0026amp;_strong:has(+br)]:inline-block [\u0026amp;_strong:has(+br)]:pb-2\"\u003e\u003ca id=\"accessory\" class=\"anchor02\"\u003e\u003c\/a\u003e\u003c\/p\u003e\n\u003cdiv class=\"elm_products\"\u003e\n\u003ch3\u003e\u003cbr\u003e\u003c\/h3\u003e\n\u003cbr\u003e\n\u003c\/div\u003e","brand":"Sanwa","offers":[{"title":"Default Title","offer_id":52177916461240,"sku":"MG102","price":694.49,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0532\/3735\/0584\/files\/mg102-1.jpg?v=1760471127","url":"https:\/\/sperscientific.com\/products\/mg102-pocket-sized-1000v-insulation-resistance-tester","provider":"Sper Scientific Instruments","version":"1.0","type":"link"}