{"id":9574768083181,"title":"Klein Tools MM420 Digital Multimeter, Auto-Ranging TRMS Multimeter, 600V AC\/DC Voltage, 10A AC\/DC Current, 50 MOhms Resistance","handle":"klein-tools-mm420-digital-multimeter-auto-ranging-trms-multimeter-600v-ac-dc-voltage-10a-ac-dc-current-50-mohms-resistance","description":"\u003ch3\u003eKlein Tools MM420 Digital Multimeter, Auto-Ranging TRMS Multimeter, 600V AC\/DC Voltage, 10A AC\/DC Current, 50 MOhms Resistance\u003c\/h3\u003e\n\u003cp id=\"b\"\u003eKlein Tools MM420 Multimeter is an auto-ranging, true root mean square (TRMS)\nmultimeter that measures AC\/DC voltage, AC\/DC current, and resistance. It can\nalso measure temperature, capacitance, frequency, duty-cycle, and test diodes\nand continuity. Klein Tools' Test and Measurement product line was exclusively\ndesigned from the ground up by electricians for electricians. Years of field\nresearch, combined with extensive input from electricians across America,\ninspired the development of meters and electrical testers loaded with\ninnovative, time-saving features.\u003c\/p\u003e \n\n\u003ch3\u003eProduct Features\u003c\/h3\u003e\n \u003cul class=\"a\"\u003e\n \u003cli\u003eVERSATILE FUNCTIONALITY: Measures AC\/DC voltage up to 600V, 10A AC\/DC current, 50M resistance; additional features include continuity, temperature, capacitance, frequency\/duty cycle and diode test\u003c\/li\u003e\n \u003cli\u003eLEAD-ALERT PROTECTION: LEDs on the meter illuminate to indicate proper test lead placement, enhancing accuracy and safety during measurements\u003c\/li\u003e\n \u003cli\u003eBACKLIT DISPLAY: LCD shows clear readings in low-light conditions for enhanced visibility\u003c\/li\u003e\n \u003cli\u003eACCURATE MEASUREMENTS: Auto-ranging and True Root Mean Squared (TRMS) technology provides precise and accurate measurements\u003c\/li\u003e\n \u003cli\u003eCONVENIENT FEATURES: Test lead holders on the back of the meter, kickstand and optional magnetic hanger (Cat. Nos. 69445 or 69417) for hands-free operation\u003c\/li\u003e\n \u003cli\u003eDURABLE CONSTRUCTION: Built to withstand a 6.6-Foot (2 m) drop, ideal for use in basic and controlled electromagnetic environments such as residential, business, HVAC and light-industrial locations\u003c\/li\u003e\n \u003cli\u003eCOMPLETE PACKAGE: Includes test leads with CAT III\/CAT IV safety caps, thermocouple, instructions, and 2 x AAA batteries\u003c\/li\u003e\n \u003c\/ul\u003e","published_at":"2026-09-16T01:57:02+10:00","created_at":"2026-09-09T14:37:51+10:00","vendor":"KLEIN TOOLS","type":"Multi Testers","tags":["industrial_Sep2026"],"price":30800,"price_min":30800,"price_max":30800,"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":50651018821869,"title":"Auto-Ranging","option1":"Auto-Ranging","option2":null,"option3":null,"sku":"B0B57PFFYX","requires_shipping":true,"taxable":true,"featured_image":null,"available":true,"name":"Klein Tools MM420 Digital Multimeter, Auto-Ranging TRMS Multimeter, 600V AC\/DC Voltage, 10A AC\/DC Current, 50 MOhms Resistance - Auto-Ranging","public_title":"Auto-Ranging","options":["Auto-Ranging"],"price":30800,"weight":50,"compare_at_price":null,"inventory_management":"shopify","barcode":"092644693748","requires_selling_plan":false,"selling_plan_allocations":[],"quantity_rule":{"min":1,"max":null,"increment":1}}],"images":["\/\/leoforward.com\/cdn\/shop\/files\/B0B57PFFYX.jpg?v=1788928673","\/\/leoforward.com\/cdn\/shop\/files\/515tZfIxsYL.jpg?v=1788928673","\/\/leoforward.com\/cdn\/shop\/files\/41l_MVRs75L.jpg?v=1788928673","\/\/leoforward.com\/cdn\/shop\/files\/41fTStkvXIL.jpg?v=1788928673","\/\/leoforward.com\/cdn\/shop\/files\/51jcLYOVrhL.jpg?v=1788928674","\/\/leoforward.com\/cdn\/shop\/files\/515WwCAed_L.jpg?v=1788928673","\/\/leoforward.com\/cdn\/shop\/files\/51Z7nam70ZL.jpg?v=1788928673"],"featured_image":"\/\/leoforward.com\/cdn\/shop\/files\/B0B57PFFYX.jpg?v=1788928673","options":["Size"],"media":[{"alt":null,"id":41957561893101,"position":1,"preview_image":{"aspect_ratio":1.0,"height":500,"width":500,"src":"\/\/leoforward.com\/cdn\/shop\/files\/B0B57PFFYX.jpg?v=1788928673"},"aspect_ratio":1.0,"height":500,"media_type":"image","src":"\/\/leoforward.com\/cdn\/shop\/files\/B0B57PFFYX.jpg?v=1788928673","width":500},{"alt":null,"id":41957561925869,"position":2,"preview_image":{"aspect_ratio":1.0,"height":500,"width":500,"src":"\/\/leoforward.com\/cdn\/shop\/files\/515tZfIxsYL.jpg?v=1788928673"},"aspect_ratio":1.0,"height":500,"media_type":"image","src":"\/\/leoforward.com\/cdn\/shop\/files\/515tZfIxsYL.jpg?v=1788928673","width":500},{"alt":null,"id":41957561958637,"position":3,"preview_image":{"aspect_ratio":1.0,"height":500,"width":500,"src":"\/\/leoforward.com\/cdn\/shop\/files\/41l_MVRs75L.jpg?v=1788928673"},"aspect_ratio":1.0,"height":500,"media_type":"image","src":"\/\/leoforward.com\/cdn\/shop\/files\/41l_MVRs75L.jpg?v=1788928673","width":500},{"alt":null,"id":41957561991405,"position":4,"preview_image":{"aspect_ratio":1.0,"height":500,"width":500,"src":"\/\/leoforward.com\/cdn\/shop\/files\/41fTStkvXIL.jpg?v=1788928673"},"aspect_ratio":1.0,"height":500,"media_type":"image","src":"\/\/leoforward.com\/cdn\/shop\/files\/41fTStkvXIL.jpg?v=1788928673","width":500},{"alt":null,"id":41957562024173,"position":5,"preview_image":{"aspect_ratio":1.0,"height":500,"width":500,"src":"\/\/leoforward.com\/cdn\/shop\/files\/51jcLYOVrhL.jpg?v=1788928674"},"aspect_ratio":1.0,"height":500,"media_type":"image","src":"\/\/leoforward.com\/cdn\/shop\/files\/51jcLYOVrhL.jpg?v=1788928674","width":500},{"alt":null,"id":41957562056941,"position":6,"preview_image":{"aspect_ratio":1.0,"height":500,"width":500,"src":"\/\/leoforward.com\/cdn\/shop\/files\/515WwCAed_L.jpg?v=1788928673"},"aspect_ratio":1.0,"height":500,"media_type":"image","src":"\/\/leoforward.com\/cdn\/shop\/files\/515WwCAed_L.jpg?v=1788928673","width":500},{"alt":null,"id":41957562089709,"position":7,"preview_image":{"aspect_ratio":1.0,"height":500,"width":500,"src":"\/\/leoforward.com\/cdn\/shop\/files\/51Z7nam70ZL.jpg?v=1788928673"},"aspect_ratio":1.0,"height":500,"media_type":"image","src":"\/\/leoforward.com\/cdn\/shop\/files\/51Z7nam70ZL.jpg?v=1788928673","width":500}],"requires_selling_plan":false,"selling_plan_groups":[],"content":"\u003ch3\u003eKlein Tools MM420 Digital Multimeter, Auto-Ranging TRMS Multimeter, 600V AC\/DC Voltage, 10A AC\/DC Current, 50 MOhms Resistance\u003c\/h3\u003e\n\u003cp id=\"b\"\u003eKlein Tools MM420 Multimeter is an auto-ranging, true root mean square (TRMS)\nmultimeter that measures AC\/DC voltage, AC\/DC current, and resistance. It can\nalso measure temperature, capacitance, frequency, duty-cycle, and test diodes\nand continuity. Klein Tools' Test and Measurement product line was exclusively\ndesigned from the ground up by electricians for electricians. Years of field\nresearch, combined with extensive input from electricians across America,\ninspired the development of meters and electrical testers loaded with\ninnovative, time-saving features.\u003c\/p\u003e \n\n\u003ch3\u003eProduct Features\u003c\/h3\u003e\n \u003cul class=\"a\"\u003e\n \u003cli\u003eVERSATILE FUNCTIONALITY: Measures AC\/DC voltage up to 600V, 10A AC\/DC current, 50M resistance; additional features include continuity, temperature, capacitance, frequency\/duty cycle and diode test\u003c\/li\u003e\n \u003cli\u003eLEAD-ALERT PROTECTION: LEDs on the meter illuminate to indicate proper test lead placement, enhancing accuracy and safety during measurements\u003c\/li\u003e\n \u003cli\u003eBACKLIT DISPLAY: LCD shows clear readings in low-light conditions for enhanced visibility\u003c\/li\u003e\n \u003cli\u003eACCURATE MEASUREMENTS: Auto-ranging and True Root Mean Squared (TRMS) technology provides precise and accurate measurements\u003c\/li\u003e\n \u003cli\u003eCONVENIENT FEATURES: Test lead holders on the back of the meter, kickstand and optional magnetic hanger (Cat. Nos. 69445 or 69417) for hands-free operation\u003c\/li\u003e\n \u003cli\u003eDURABLE CONSTRUCTION: Built to withstand a 6.6-Foot (2 m) drop, ideal for use in basic and controlled electromagnetic environments such as residential, business, HVAC and light-industrial locations\u003c\/li\u003e\n \u003cli\u003eCOMPLETE PACKAGE: Includes test leads with CAT III\/CAT IV safety caps, thermocouple, instructions, and 2 x AAA batteries\u003c\/li\u003e\n \u003c\/ul\u003e"}