{"product_id":"major-tech-10kv-diagnostic-insulation-tester-mt577","title":"Major Tech 10kV Diagnostic Insulation Tester – MT577","description":"\u003cp\u003eConduct ultra-high voltage insulation diagnostics and preventative asset maintenance with the Major Tech 10kV Diagnostic Insulation Tester (MT577). Designed for high-voltage engineers, power distribution specialists, and electrical contractors, this heavy-duty instrument delivers variable insulation test voltages up to 10kV in 50V increments and measures insulation resistance up to 35TΩ. Featuring advanced Polarization Index (PI) and Dielectric Absorption Ratio (DAR) diagnostic modes, internal memory, and a rugged field case, it provides comprehensive testing for high-voltage transformers, switchgear, motors, and transmission cables.\u003c\/p\u003e\n\u003cp\u003e\u003cb\u003eKey Features:\u003c\/b\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cb\u003eExtended High-Voltage Output:\u003c\/b\u003e Configurable insulation test voltages from 250V to 10kV in precise 50V steps.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cb\u003eUltra-High Resistance Measurement:\u003c\/b\u003e Tests insulation resistance up to 35TΩ across auto-ranging insulation scales.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cb\u003eAutomated Diagnostic Ratios:\u003c\/b\u003e Provides built-in calculation and indication of Dielectric Absorption Ratio (DAR) and Polarization Index (PI).\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cb\u003eHigh Short-Circuit Current:\u003c\/b\u003e Features up to 6mA short-circuit current for quick capacitive charging on long lines and heavy apparatus.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cb\u003eVoltage Measurement Capabilities:\u003c\/b\u003e Measures AC voltage up to 750V and DC voltage up to 1000V.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cb\u003eOnboard Memory \u0026amp; Auto-Hold:\u003c\/b\u003e Internal memory stores up to 500 measurement results for display recall, complemented by Auto Hold to lock readings on-screen.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cb\u003eProgrammable Timer \u0026amp; Alarms:\u003c\/b\u003e Includes an adjustable test duration timer (1 to 30 minutes) and configurable high\/low threshold alarms.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cb\u003eDetailed Description:\u003c\/b\u003e\u003c\/p\u003e\n\u003cp\u003eThe Major Tech MT577 is engineered for high-precision diagnostic testing of extra-high voltage electrical infrastructure. Built into a durable, impact-resistant protective case with lid-mounted step-by-step instructions, it is purpose-made for harsh industrial and outdoor field conditions.\u003c\/p\u003e\n\u003cp\u003eIts large 4-bit backlit digital display provides high visibility in dark or shaded switchrooms, while microprocessor control ensures stable accuracy across extreme resistance ranges. With an automatic power-off feature and comprehensive safety testing modes, the MT577 simplifies utility-grade insulation assessments.\u003c\/p\u003e\n\u003cp\u003e\u003cb\u003eTechnical Specifications\u003c\/b\u003e\u003c\/p\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eFeature \/ Attribute\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003eSpecification\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cb\u003eBrand\u003c\/b\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eMajor Tech\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cb\u003eModel \/ SKU\u003c\/b\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eMT577\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cb\u003eProduct Type\u003c\/b\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e10kV Diagnostic Insulation Tester\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cb\u003eInsulation Test Voltage\u003c\/b\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e250V to 10kV (50V Increments)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cb\u003eInsulation Resistance Range\u003c\/b\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eUp to 35T\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cb\u003eShort Circuit Current\u003c\/b\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eUp to 6mA\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cb\u003eVoltage Measurement\u003c\/b\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eAC up to 750V \/ DC up to 1000V\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cb\u003eDiagnostic Ratios\u003c\/b\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eDielectric Absorption Ratio (DAR), Polarization Index (PI)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cb\u003eDisplay\u003c\/b\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eMicroprocessor-Controlled 4-Bit Large Backlit LCD\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cb\u003eMemory Capacity\u003c\/b\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eUp to 500 Saved Results\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cb\u003eTimer \u0026amp; Range Control\u003c\/b\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eAdjustable Test Time (1 to 30 mins), Auto Ranging\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cb\u003eSpecial Functions\u003c\/b\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eAuto Hold, Threshold Alarm Limits, Auto Power Off\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cb\u003eTarget Applications\u003c\/b\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eSubstation Maintenance, High-Voltage Switchgear, Utility Transformers, HV Cables\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cblockquote\u003e\n\u003cp\u003e\u003cb\u003eNote:\u003c\/b\u003e FREE Delivery does not apply, please make arrangements prior to collecting in store.\u003c\/p\u003e\n\u003cp\u003e\u003cb\u003eShipping:\u003c\/b\u003e Allow For 1 - 3 Business Days Before Shipping.\u003c\/p\u003e\n\u003c\/blockquote\u003e","brand":"Major Tech","offers":[{"title":"Default Title","offer_id":47049589883052,"sku":"MT577","price":25262.0,"currency_code":"ZAR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0341\/9383\/4029\/files\/MT577Web.jpg?v=1787660165","url":"https:\/\/www.electricwholesalers.co.za\/products\/major-tech-10kv-diagnostic-insulation-tester-mt577","provider":"Electric Wholesalers","version":"1.0","type":"link"}