{"product_id":"ut505b","title":"UT505B Advanced Insulation Resistance DMM","description":"\u003ch1\u003eUNI-T UT505B Insulation Resistance Tester \u0026amp; Multimeter\u003c\/h1\u003e\n\n\u003cdiv class=\"product-container\"\u003e\n\u003ch2\u003eOverview\u003c\/h2\u003e\n\u003cp\u003eThe UT505B is the wider-range model in the UT505 pair: a CAT IV 600 V insulation tester and True-RMS digital multimeter in one handheld, reading insulation resistance up to 200 GΩ at test voltages from 50 V to 1000 V to IEC 61557. It adds an automatic fuse check to the combination, so the meter verifies its own current-input fuse before you rely on a reading.\u003c\/p\u003e\n\u003cp\u003eInsulation testing includes Polarization Index and DAR diagnostics, stepped-voltage testing, and automatic discharge; the 6000-count multimeter covers AC\/DC voltage, resistance, capacitance, and frequency, with 99 result groups stored on-board. It's backed by UNI-T's nearly 40 years of test-meter manufacturing.\u003c\/p\u003e\n\u003c\/div\u003e\n\n\u003cdiv class=\"product-container\"\u003e\n\u003ch2\u003eKey Features\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eInsulation resistance up to 200 GΩ, accuracy ±(1.5%+5)\u003c\/li\u003e\n\u003cli\u003eTest voltages: 50 V, 100 V, 250 V, 500 V, 1000 V (IEC 61557)\u003c\/li\u003e\n\u003cli\u003eTrue-RMS 6000-count digital multimeter built in\u003c\/li\u003e\n\u003cli\u003eAutomatic fuse check\u003c\/li\u003e\n\u003cli\u003eAC\/DC voltage to 600 V; capacitance, frequency, low and general resistance\u003c\/li\u003e\n\u003cli\u003ePI and DAR insulation diagnostics\u003c\/li\u003e\n\u003cli\u003eStepped-voltage testing and automatic discharge\u003c\/li\u003e\n\u003cli\u003e99-group data storage; CAT IV 600 V\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\n\u003cdiv class=\"product-container\"\u003e\n\u003ch2\u003eUT505B Details\u003c\/h2\u003e\n\u003ch3\u003eTwo Instruments in One\u003c\/h3\u003e\n\u003cp\u003eLike the UT505A, the UT505B pairs a 1000 V insulation tester with a full True-RMS multimeter, so one handheld covers insulation testing and the voltage, resistance, capacitance, and frequency measurements that go with it.\u003c\/p\u003e\n\u003ch3\u003eInsulation Testing to 200 GΩ\u003c\/h3\u003e\n\u003cp\u003eA 200 GΩ measurement range — ten times the UT505A — keeps high-resistance insulation on-scale, with five test voltages from 50 V to 1000 V and IEC 61557 compliance for motor, cable, and switchgear work.\u003c\/p\u003e\n\u003ch3\u003eAutomatic Fuse Check\u003c\/h3\u003e\n\u003cp\u003eThe UT505B verifies its own current-input fuse automatically, so a blown fuse can't quietly turn a current measurement into a misleading reading — a useful safeguard in daily field use.\u003c\/p\u003e\n\u003ch3\u003ePI, DAR \u0026amp; Stepped Voltage\u003c\/h3\u003e\n\u003cp\u003eTimed PI and DAR diagnostics and stepped-voltage testing reveal moisture, contamination, and marginal insulation that a single fixed-voltage reading would pass.\u003c\/p\u003e\n\u003ch3\u003eSafety \u0026amp; Field Build\u003c\/h3\u003e\n\u003cp\u003eAutomatic discharge clears stored charge after each test, the CAT IV 600 V rating suits distribution work, and 99 result groups store on-board for later review.\u003c\/p\u003e\n\u003c\/div\u003e\n\n\u003cdiv class=\"product-container\"\u003e\n\u003ch2\u003eCompare the UT505 Series\u003c\/h2\u003e\n\u003ctable class=\"product-spec-table\"\u003e\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003cth\u003e\u003ca href=\"\/products\/ut505a\"\u003eUT505A\u003c\/a\u003e\u003c\/th\u003e\n\u003cth\u003eUT505B\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMax insulation resistance\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e20 GΩ\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003e200 GΩ\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eAuto fuse check\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e—\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003eYes\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\n\u003c\/div\u003e\n\n\u003cdiv class=\"product-container\"\u003e\n\u003ch2\u003eApplications\u003c\/h2\u003e\n\u003cp\u003eCombined insulation and electrical testing on motor windings, cables, and switchgear where a wider 200 GΩ range is needed; preventive maintenance with one tool for both jobs; and field troubleshooting that moves between insulation testing and routine multimeter measurements.\u003c\/p\u003e\n\u003c\/div\u003e\n\n\u003cdiv class=\"product-container\"\u003e\n\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\n\u003cdiv class=\"product-faq-item\"\u003e\n\u003ch3\u003eHow high does the UT505B measure insulation resistance?\u003c\/h3\u003e\n\u003cp\u003eUp to 200 GΩ — ten times the range of the UT505A.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"product-faq-item\"\u003e\n\u003ch3\u003eWhat is the automatic fuse check?\u003c\/h3\u003e\n\u003cp\u003eThe meter verifies its own current-input fuse automatically, so a blown fuse won't produce a misleading current reading.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"product-faq-item\"\u003e\n\u003ch3\u003eIs the UT505B also a multimeter?\u003c\/h3\u003e\n\u003cp\u003eYes — a True-RMS 6000-count multimeter with AC\/DC voltage, resistance, capacitance, and frequency, in addition to insulation testing.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e","brand":"UNI-T","offers":[{"title":"Default Title","offer_id":46706558468380,"sku":"180605080028X","price":329.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0822\/9208\/0924\/files\/UNI-T_UT505A-B_2_sq_80d0e869-b859-499e-a15d-c293f511ec7e.jpg?v=1743095415","url":"https:\/\/uni-trendus.com\/products\/ut505b","provider":"Uni-Trend US","version":"1.0","type":"link"}