{"id":8042285137989,"title":"M500 Insulation Tester Megohmmeter - 500V 20-1000MΩ, Battery Powered with Soft Case, for Motors, HVAC \u0026 Compressor Testing","handle":"m500-insulation-tester-megohmmeter-500v-20-1000mω-battery-powered-with-soft-case-for-motors-hvac-compressor-testing","description":"\u003ch3\u003eM500 Insulation Tester Megohmmeter - 500V 20-1000MΩ, Battery Powered with Soft Case, for Motors, HVAC \u0026amp; Compressor Testing\u003c\/h3\u003e\r\n\u003cp id=\"b\"\u003eUnlike general-purpose megohmmeters, which offer broad compatibility but\r\nlimited targeted performance, this model is purpose-built for hermetic\r\nrefrigeration motor testing. As an essential tool for HVAC\/R compressor\r\nmaintenance, it accurately detects high-frequency potential issues including\r\ninsulation degradation and oil contamination—problems that standard general-\r\npurpose instruments frequently fail to identify with precision. Voltage and\r\nRange AdaptabilityFeaturing the industry-standard 500VDC test voltage widely\r\nadopted in HVAC\/R applications, it delivers a measurement range of 20 to 1000\r\nmegohms, perfectly aligned with insulation testing requirements for hermetic\r\ncompressors and motor windings. It also recognizes superior insulation\r\nconditions above 1000 megohms. By contrast with multi-range high-voltage\r\nunits, it eliminates operational complexity from excessive voltage settings,\r\nwhile avoiding the risk of inadequate penetration associated with low-voltage\r\nmeters. Accurate Data SupportIn contrast to traditional analog megohmmeters\r\nthat only provide rough insulation assessments without precise data, this\r\ninstrument enables early prediction of faults such as motor winding insulation\r\nfailure and short circuits via accurate digital readings. It recommends\r\ninspection for contamination or damage at readings below 50 megohms, and\r\nissues warnings for critical faults below 20 megohms, delivering clear, data-\r\ndriven guidance for maintenance decisions. Safe Adaptability and High Cost-\r\nEffectivenessCompared with high-voltage megohmmeters, its 500VDC output is\r\noptimally suited for standard HVAC\/R equipment, minimizing the risk of\r\npotential damage to compressor windings from excessive voltage. It also\r\nprovides superior cost-effectiveness, with no additional expense for redundant\r\nhigh-voltage capabilities that are unnecessary for routine industry use.\r\nSafety PrecautionsDo not touch the test clips during operation, as this may\r\nresult in electric shock. Always comply with all applicable electrical safety\r\nstandards and procedures when using this instrument.\u003c\/p\u003e \r\n\r\n\u003ch3\u003eProduct Features\u003c\/h3\u003e\r\n \u003cul class=\"a\"\u003e\r\n \u003cli\u003eThe M500 megohmmeter features 500V professional output with a 201000M range, far exceeding the low-voltage testing capability of ordinary multimeters.It efficiently tests insulation for motors, compressors and appliances, with simple operation and accurate results.\u003c\/li\u003e\r\n \u003cli\u003eThis insulation resistance tester features intelligent zone indication, enabling one-click insulation level judgment with easy operation, greatly reducing testing time and enhancing on-site and emergency maintenance efficiency.\u003c\/li\u003e\r\n \u003cli\u003eWidely used for testing HVAC systems, motors, transformers, hermetic refrigeration compressors, distribution panels and relay control circuits. A multifunctional megohmmeter tester suitable for professionals and DIY enthusiasts.\u003c\/li\u003e\r\n \u003cli\u003eExclusive additional 2-year extended warranty offered. Contact our professional after-sales team anytime for product issues during use, fully eliminating concerns and safeguarding all user rights and interests.\u003c\/li\u003e\r\n \u003c\/ul\u003e","published_at":"2026-04-07T18:09:03+10:00","created_at":"2026-04-07T18:09:01+10:00","vendor":"Generic","type":"Insulation Resistance Meters","tags":["health_selected_Apr2026"],"price":20200,"price_min":20200,"price_max":20200,"available":true,"price_varies":false,"compare_at_price":null,"compare_at_price_min":0,"compare_at_price_max":0,"compare_at_price_varies":false,"variants":[{"id":44852223443013,"title":"Default Title","option1":"Default Title","option2":null,"option3":null,"sku":"B0GCFXCD7W","requires_shipping":true,"taxable":true,"featured_image":null,"available":true,"name":"M500 Insulation Tester Megohmmeter - 500V 20-1000MΩ, Battery Powered with Soft Case, for Motors, HVAC \u0026 Compressor Testing","public_title":null,"options":["Default Title"],"price":20200,"weight":422,"compare_at_price":null,"inventory_management":"shopify","barcode":"me0000001","requires_selling_plan":false,"selling_plan_allocations":[],"quantity_rule":{"min":1,"max":null,"increment":1}}],"images":[],"featured_image":null,"options":["Title"],"requires_selling_plan":false,"selling_plan_groups":[],"content":"\u003ch3\u003eM500 Insulation Tester Megohmmeter - 500V 20-1000MΩ, Battery Powered with Soft Case, for Motors, HVAC \u0026amp; Compressor Testing\u003c\/h3\u003e\r\n\u003cp id=\"b\"\u003eUnlike general-purpose megohmmeters, which offer broad compatibility but\r\nlimited targeted performance, this model is purpose-built for hermetic\r\nrefrigeration motor testing. As an essential tool for HVAC\/R compressor\r\nmaintenance, it accurately detects high-frequency potential issues including\r\ninsulation degradation and oil contamination—problems that standard general-\r\npurpose instruments frequently fail to identify with precision. Voltage and\r\nRange AdaptabilityFeaturing the industry-standard 500VDC test voltage widely\r\nadopted in HVAC\/R applications, it delivers a measurement range of 20 to 1000\r\nmegohms, perfectly aligned with insulation testing requirements for hermetic\r\ncompressors and motor windings. It also recognizes superior insulation\r\nconditions above 1000 megohms. By contrast with multi-range high-voltage\r\nunits, it eliminates operational complexity from excessive voltage settings,\r\nwhile avoiding the risk of inadequate penetration associated with low-voltage\r\nmeters. Accurate Data SupportIn contrast to traditional analog megohmmeters\r\nthat only provide rough insulation assessments without precise data, this\r\ninstrument enables early prediction of faults such as motor winding insulation\r\nfailure and short circuits via accurate digital readings. It recommends\r\ninspection for contamination or damage at readings below 50 megohms, and\r\nissues warnings for critical faults below 20 megohms, delivering clear, data-\r\ndriven guidance for maintenance decisions. Safe Adaptability and High Cost-\r\nEffectivenessCompared with high-voltage megohmmeters, its 500VDC output is\r\noptimally suited for standard HVAC\/R equipment, minimizing the risk of\r\npotential damage to compressor windings from excessive voltage. It also\r\nprovides superior cost-effectiveness, with no additional expense for redundant\r\nhigh-voltage capabilities that are unnecessary for routine industry use.\r\nSafety PrecautionsDo not touch the test clips during operation, as this may\r\nresult in electric shock. Always comply with all applicable electrical safety\r\nstandards and procedures when using this instrument.\u003c\/p\u003e \r\n\r\n\u003ch3\u003eProduct Features\u003c\/h3\u003e\r\n \u003cul class=\"a\"\u003e\r\n \u003cli\u003eThe M500 megohmmeter features 500V professional output with a 201000M range, far exceeding the low-voltage testing capability of ordinary multimeters.It efficiently tests insulation for motors, compressors and appliances, with simple operation and accurate results.\u003c\/li\u003e\r\n \u003cli\u003eThis insulation resistance tester features intelligent zone indication, enabling one-click insulation level judgment with easy operation, greatly reducing testing time and enhancing on-site and emergency maintenance efficiency.\u003c\/li\u003e\r\n \u003cli\u003eWidely used for testing HVAC systems, motors, transformers, hermetic refrigeration compressors, distribution panels and relay control circuits. A multifunctional megohmmeter tester suitable for professionals and DIY enthusiasts.\u003c\/li\u003e\r\n \u003cli\u003eExclusive additional 2-year extended warranty offered. Contact our professional after-sales team anytime for product issues during use, fully eliminating concerns and safeguarding all user rights and interests.\u003c\/li\u003e\r\n \u003c\/ul\u003e"}