{"product_id":"zoyi-zt1000r-insulation-multimeter","title":"ZOYI ZT-1000R Insulation Tester and True RMS Multimeter, 1000V, 20GΩ","description":"\u003cp\u003eThe ZOYI ZT-1000R combines a 1,000 V insulation resistance tester (megohmmeter) with a full 19,999-count True-RMS digital multimeter in one handheld unit. It offers five test voltages, reads insulation up to 20 GΩ and includes DAR and PI tests for motors, cables and installations.\u003c\/p\u003e\u003ch3\u003eAt a glance\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eInsulation tester with 50, 100, 250, 500 and 1,000 V test voltages\u003c\/li\u003e\n\u003cli\u003eReads insulation resistance up to 20 GΩ\u003c\/li\u003e\n\u003cli\u003eDAR and PI analysis\u003c\/li\u003e\n\u003cli\u003e19,999-count True-RMS multimeter with auto-ranging\u003c\/li\u003e\n\u003cli\u003eBacklight, data hold and flashlight\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eFull specifications\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eInsulation test voltages:\u003c\/strong\u003e 50 V, 100 V, 250 V, 500 V and 1,000 V\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInsulation range:\u003c\/strong\u003e up to 20 GΩ\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInsulation analysis:\u003c\/strong\u003e DAR and PI (dielectric absorption ratio and polarization index)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMultimeter:\u003c\/strong\u003e 19,999 counts, True RMS, auto-ranging\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAlso measures:\u003c\/strong\u003e voltage, resistance, capacitance, frequency, temperature, diode, continuity\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDisplay:\u003c\/strong\u003e LCD with backlight, data hold and flashlight\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eWhat the specs mean in practice\u003c\/h3\u003e\u003cp\u003e\u003cstrong\u003eInsulation testing.\u003c\/strong\u003e The tester applies a DC test voltage and measures how much leaks through the insulation. High readings in the gigaohm range indicate healthy insulation. Low readings can point to moisture, damage or aging.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eFive test voltages.\u003c\/strong\u003e You choose a voltage to suit the equipment under test. A common choice is 500 V for circuits rated up to 500 V, with lower settings for low-voltage and sensitive equipment.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eDAR and PI.\u003c\/strong\u003e These compare insulation readings taken over time. They help judge whether insulation is dry and healthy, and they are commonly used on motors and cables.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003e19,999 counts.\u003c\/strong\u003e The multimeter side resolves readings in finer steps than a 4,000-count meter, and True RMS gives accurate readings on non-sinusoidal waveforms.\u003c\/p\u003e\u003ch3\u003eWhat you can use it for\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eMotors and pumps:\u003c\/strong\u003e check winding insulation before commissioning or after downtime.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWiring and cables:\u003c\/strong\u003e test installations for insulation breakdown.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAppliances and tools:\u003c\/strong\u003e check for leakage to the casing.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEveryday electrical work:\u003c\/strong\u003e use the multimeter side for voltage, resistance and continuity.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eWho should look elsewhere\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eYou only need basic voltage checks. A simpler multimeter or the \u003ca href=\"\/products\/aneng-pn107-digital-clamp-meter\"\u003eANENG PN107\u003c\/a\u003e clamp meter costs less.\u003c\/li\u003e\n\u003cli\u003eYou need a thermal camera. This is an electrical tester, not an imaging tool.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eHow it compares\u003c\/h3\u003e\u003cul\u003e\u003cli\u003e\n\u003ca href=\"\/products\/aneng-pn107-digital-clamp-meter\"\u003eANENG PN107\u003c\/a\u003e: a clamp meter for measuring current without breaking the circuit.\u003c\/li\u003e\u003c\/ul\u003e\u003ch3\u003eTips for safe, accurate use\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eDe-energize and discharge the circuit before any insulation test, and disconnect sensitive electronics first.\u003c\/li\u003e\n\u003cli\u003eMatch the test voltage to the equipment's rated voltage.\u003c\/li\u003e\n\u003cli\u003eKeep leads and the surface of the insulation clean and dry for repeatable readings.\u003c\/li\u003e\n\u003cli\u003eFollow the safety instructions in the manual, and never exceed the meter's rating.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eFrequently asked questions\u003c\/h3\u003e\u003cp\u003e\u003cstrong\u003eWhat is an insulation resistance test?\u003c\/strong\u003e\u003cbr\u003eThe tester applies a high DC voltage and measures how much leaks through the insulation. Low resistance can mean moisture, damage or aging.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhat are DAR and PI?\u003c\/strong\u003e\u003cbr\u003eThey compare insulation readings taken over time. They help judge whether insulation is healthy, and they are commonly used on motors and cables.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eIs it safe to test live circuits?\u003c\/strong\u003e\u003cbr\u003eNo. De-energize and discharge the circuit before any insulation test.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eDoes it work as a normal multimeter?\u003c\/strong\u003e\u003cbr\u003eYes. It measures voltage, resistance, capacitance, frequency, temperature, diode and continuity.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eCan I use it with a thermal camera?\u003c\/strong\u003e\u003cbr\u003eYes. A thermal camera finds the hot spot, and the tester helps you work out why.\u003c\/p\u003e\u003ch3\u003eTypical applications\u003c\/h3\u003e\u003cp\u003eMotor insulation testing, cable inspection and electrical maintenance. Compare the listed measurement capabilities, operating range and compatibility against your job requirements before purchasing.\u003c\/p\u003e\u003ch3\u003eChoosing the right instrument\u003c\/h3\u003e\u003cp\u003eReview the technical specifications above and contact ThermalVisionPlus if you need help choosing between models. For thermal cameras, distinguish native sensor resolution from software-enhanced image output.\u003c\/p\u003e\u003ch3\u003eRelated thermal imaging guides\u003c\/h3\u003e\u003cp\u003eExplore our \u003ca href=\"\/blogs\/buyers-guides\/home-inspection-thermal-camera-guide\"\u003ehome inspection thermal camera guide\u003c\/a\u003e, \u003ca href=\"\/blogs\/buyers-guides\/thermal-camera-electrical-inspection-guide\"\u003eelectrical inspection guide\u003c\/a\u003e, and \u003ca href=\"\/blogs\/buyers-guides\/phone-vs-handheld-thermal-camera-guide\"\u003ethermal camera buying comparison\u003c\/a\u003e.\u003c\/p\u003e","brand":"ZOYI","offers":[{"title":"Default Title","offer_id":48274759942315,"sku":"ZOYI_ZT1000R_INSULATION_MULTIMETER","price":68.98,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0804\/6244\/6763\/files\/662f5f6b-e5a6-42f2-b97f-4eddaefd7546.jpg?v=1792111925","url":"https:\/\/thermalvisionplus.com\/products\/zoyi-zt1000r-insulation-multimeter","provider":"My Store 5","version":"1.0","type":"link"}