{"product_id":"m500-insulation-tester-megohmmeter-500v-1000m-precision","title":"M500 Insulation Tester MEGOHMMETER - 500V, 1000M Precision","description":"\u003cp\u003eIn this review the M500 Insulation Tester MEGOHMMETER is assessed for HVAC technicians, electricians and serious DIYers who need a simple, portable tool for insulation resistance checks. The bottom line: it is designed to give clear, actionable insulation readings up to \u003cstrong\u003e1000 megohms at 500V\u003c\/strong\u003e, making it an effective diagnostic device for motors, transformers and compressors without requiring complex interpretation.\u003c\/p\u003e\u003ch2\u003eKey Features\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003ePrecise Insulation Testing:\u003c\/strong\u003e Measures insulation resistance up to 1000 megohms at 500V so users can detect high-resistance faults and weak insulation quickly.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eIntuitive Display:\u003c\/strong\u003e Built-in resistance scale labels results as Good, Normal or Risk so technicians can judge equipment health without deep analysis.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDurable Design:\u003c\/strong\u003e Double-sided ABS housing resists impacts and wear, helping the meter survive jobsite knocks and friction during HVAC work.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePortable \u0026amp; Battery Powered:\u003c\/strong\u003e Runs on two C batteries and includes a soft carrying case, enabling convenient on-site testing without mains power.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWide Applications:\u003c\/strong\u003e Suitable for motor winding tests, transformer and compressor inspections, and panel or relay checks used in professional HVAC kits.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eWho It's For\u003c\/h2\u003e\u003cp\u003eThe M500 is best for HVAC technicians and electricians who need a straightforward megohmmeter that fits in a toolbox and gives clear pass\/fail style feedback during routine inspections. It is also useful for DIYers who maintain motors, compressors and small electrical systems and want a reliable, portable instrument.\u003c\/p\u003e\u003cp\u003eThose who require advanced logging, high-resolution numeric analysis or multi-voltage insulation testing may want a more feature-rich instrument. If you need integrated data logging or multiple test voltages, look at professional benchtop units instead.\u003c\/p\u003e\u003ch2\u003ePros \u0026amp; Cons\u003c\/h2\u003e\u003cp\u003e\u003cstrong\u003ePros\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eClear, labeled resistance scale simplifies interpretation and speeds troubleshooting.\u003c\/li\u003e\n\u003cli\u003eHigh maximum insulation range of 1000 megohms at 500V covers most HVAC and motor checks.\u003c\/li\u003e\n\u003cli\u003eRobust ABS housing and soft carry case improve durability and portability for field work.\u003c\/li\u003e\n\u003cli\u003eCustomers report good quality and dependable functionality in real-world use.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eCons\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eLimited feature set with no advanced logging or multiple test voltages, so it is not aimed at detailed laboratory analysis.\u003c\/li\u003e\n\u003cli\u003eRequires two C batteries which are not included, so users should supply batteries before first use.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eSpecifications\u003c\/h2\u003e\u003ctable\u003e\n\u003ctr\u003e\n\u003ctd\u003eModel compatibility\u003c\/td\u003e\n\u003ctd\u003eCompatible with Supco M500\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInsulation range\u003c\/td\u003e\n\u003ctd\u003eUp to 1000 megohms\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTest voltage\u003c\/td\u003e\n\u003ctd\u003e500V\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePower\u003c\/td\u003e\n\u003ctd\u003eBattery operated (2 C batteries, not included)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eHousing\u003c\/td\u003e\n\u003ctd\u003eDouble-sided ABS\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eIncludes\u003c\/td\u003e\n\u003ctd\u003eSoft carrying case for meter and 6 in leads\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\u003ch2\u003eOur Verdict\u003c\/h2\u003e\u003cp\u003eThe M500 Insulation Tester is a practical, value-oriented megohmmeter for HVAC professionals and technicians who need clear, fast insulation checks in the field. It combines a high 1000 megohm range, a simple labeled scale and a durable housing, making it a cost-effective addition to inspection kits when advanced logging and multiple voltages are not required.\u003c\/p\u003e\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\u003cp\u003e\u003cstrong\u003eWhat does the resistance scale indicate?\u003c\/strong\u003e\u003cbr\u003eThe built-in scale categorizes results as Good, Normal or Risk to help users quickly assess insulation condition.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eIs it suitable for motor winding tests?\u003c\/strong\u003e\u003cbr\u003eYes, it is designed for motors, transformers and compressor inspections commonly encountered in HVAC work.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eAre batteries included?\u003c\/strong\u003e\u003cbr\u003eNo, the tester requires two C batteries which are not included, so install batteries before first use.\u003c\/p\u003e","brand":"FUHUOLU","offers":[{"title":"Default Title","offer_id":48749803110619,"sku":"B0DT6DMQBD","price":84.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0724\/1043\/1707\/files\/81Qzyq14c2L._SL1500.jpg?v=1778784990","url":"https:\/\/gearmusthave.com\/products\/m500-insulation-tester-megohmmeter-500v-1000m-precision","provider":"GearMustHave","version":"1.0","type":"link"}