{"title":"Digital RCD Testers \u0026 ELCB Testers","description":"\u003ch2\u003eBuy High-Quality RCD Testers \u0026amp; ELCB Testers in Sri Lanka\u003c\/h2\u003e\n\u003ch3\u003ePortable Digital RCD Trip Time, Ramp Test \u0026amp; Loop Impedance Testers for Electrical Safety\u003c\/h3\u003e\n\n\u003cp\u003eExplore our professional range of \u003cstrong\u003edigital RCD testers\u003c\/strong\u003e and \u003cstrong\u003eELCB testers\u003c\/strong\u003e engineered for accurate residual current device testing in residential, commercial, and industrial electrical installations. At nanozone.lk, we supply high-quality \u003cstrong\u003eRCD trip time testers\u003c\/strong\u003e and \u003cstrong\u003eRCD ramp testers\u003c\/strong\u003e that help electricians, safety inspectors, and electrical engineers across Sri Lanka verify that protective devices operate within safe disconnection time limits.\u003c\/p\u003e\n\n\u003cp\u003eOur collection features reliable \u003cstrong\u003eportable RCD tester\u003c\/strong\u003e and \u003cstrong\u003edigital RCCB tester\u003c\/strong\u003e models suitable for 10mA, 30mA, 100mA, 300mA, and 1000mA residual current devices. Whether you need a compact \u003cstrong\u003esingle-phase RCD tester\u003c\/strong\u003e for domestic circuit testing or an advanced \u003cstrong\u003ethree-phase RCD tester\u003c\/strong\u003e with loop impedance measurement for industrial switchboards, we provide professional-grade instruments tailored for every electrical testing budget.\u003c\/p\u003e\n\n\u003ch3\u003eWhy Buy Your RCD Testing Equipment from Us?\u003c\/h3\u003e\n\u003cdl class=\"feature-list\"\u003e\n    \u003cdt\u003eCertified Electrical Safety Accuracy\u003c\/dt\u003e\n    \u003cdd\u003eWe source only professional-grade \u003cstrong\u003edigital RCD trip current testers\u003c\/strong\u003e designed to deliver accurate trip time and ramp test results in full compliance with IEC 61008 and IEC 61009 testing standards.\u003c\/dd\u003e\n\n    \u003cdt\u003eUnbeatable Market Value\u003c\/dt\u003e\n    \u003cdd\u003eWe are committed to offering the most cost-effective \u003cstrong\u003eRCD testing equipment\u003c\/strong\u003e available in Sri Lanka, ensuring electrical professionals gain advanced diagnostic capability without excessive investment.\u003c\/dd\u003e\n\n    \u003cdt\u003eWide Range Coverage\u003c\/dt\u003e\n    \u003cdd\u003eFrom basic \u003cstrong\u003esocket tester with RCD check\u003c\/strong\u003e to multifunction \u003cstrong\u003eloop and RCD testers\u003c\/strong\u003e with insulation resistance measurement, our range covers every level of electrical installation testing requirement.\u003c\/dd\u003e\n\n    \u003cdt\u003ePortable and Field-Ready\u003c\/dt\u003e\n    \u003cdd\u003eCompact, ergonomic, and battery-powered, our instruments are designed for real-world on-site electrical testing — fast, lightweight, and intuitive for both workshop and field use.\u003c\/dd\u003e\n\u003c\/dl\u003e","products":[{"product_id":"uni-t-ut595-comprehensive-electrical-safety-tester","title":"UNI-T UT595 Comprehensive Electrical Safety Tester","description":"\u003ch2\u003eUNI-T UT595 Comprehensive Electrical Safety Tester in Sri Lanka\u003c\/h2\u003e\n\n\u003ch3\u003eAdvanced Multifunction Safety Tester with 1000V Insulation, RCD, Loop \u0026amp; Phase Sequence\u003c\/h3\u003e\n\n\u003cp\u003e\n  The \u003cstrong\u003eUNI-T UT595 Comprehensive Electrical Safety Tester\u003c\/strong\u003e is a high-specification multifunction instrument built for demanding industrial electrical testing applications. Integrating 1000V insulation resistance testing, RCD trip time and ramp testing, earth fault loop impedance with automatic PSC\/PFC calculation, low-resistance continuity, phase sequence detection, and live voltage measurement, the UT595 represents the most complete electrical installation test solution in the UNI-T range for Sri Lanka's industrial and large commercial sectors.\n\u003c\/p\u003e\n\n\u003cp\u003eDiscover our complete selection of \u003ca href=\"\/collections\/rcd-testers\" target=\"_blank\"\u003eDigital RCD Testers — entry-level testers to comprehensive multifunction electrical safety instruments in Sri Lanka!\u003c\/a\u003e\u003c\/p\u003e\n\n\u003cp\u003e\n  With a 9999-count high-resolution LCD display, CAT III 600V safety rating, and extended measurement ranges designed for large-scale power distribution systems, the UT595 gives electrical engineers and specialist contractors the diagnostic depth required for industrial plant commissioning, PAT testing workflows, and high-voltage cable integrity assessments.\n\u003c\/p\u003e\n\n\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\n\u003cdl class=\"package-list\"\u003e\n  \u003cdd\u003e\n\u003cstrong\u003eRCD Rated Current\u003c\/strong\u003e: 10mA, 30mA, 100mA, 300mA, 500mA\u003c\/dd\u003e\n  \u003cdd\u003e\n\u003cstrong\u003eRCD Test Modes\u003c\/strong\u003e: Trip time (x½, x1, x5), Ramp test, 0° \/ 90° \/ 135° \/ 180° phase angles\u003c\/dd\u003e\n  \u003cdd\u003e\n\u003cstrong\u003eLoop Impedance\u003c\/strong\u003e: 0.01Ω–1999Ω with PSC and PFC auto-calculation\u003c\/dd\u003e\n  \u003cdd\u003e\n\u003cstrong\u003eInsulation Resistance\u003c\/strong\u003e: 250V \/ 500V \/ 1000V; range up to 9999MΩ\u003c\/dd\u003e\n  \u003cdd\u003e\n\u003cstrong\u003eContinuity\u003c\/strong\u003e: 0.01Ω–999Ω with audible beeper\u003c\/dd\u003e\n  \u003cdd\u003e\n\u003cstrong\u003eVoltage Measurement\u003c\/strong\u003e: 10V–440V AC\u003c\/dd\u003e\n  \u003cdd\u003e\n\u003cstrong\u003ePhase Sequence\u003c\/strong\u003e: Three-phase L1-L2-L3 rotation detection\u003c\/dd\u003e\n  \u003cdd\u003e\n\u003cstrong\u003eDisplay Resolution\u003c\/strong\u003e: 9999-count LCD with backlight\u003c\/dd\u003e\n  \u003cdd\u003e\n\u003cstrong\u003eSupply Voltage\u003c\/strong\u003e: 100V–440V AC, 50\/60Hz\u003c\/dd\u003e\n  \u003cdd\u003e\n\u003cstrong\u003eSafety Rating\u003c\/strong\u003e: CAT III 600V\u003c\/dd\u003e\n\u003c\/dl\u003e\n\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\u003cdl class=\"package-list\"\u003e\n  \u003cdd\u003e\n\u003cstrong\u003e1000V Insulation Testing\u003c\/strong\u003e: Full 250V\/500V\/1000V selectable test voltages for cables, motors, transformers, and switchgear up to 9999MΩ\u003c\/dd\u003e\n  \u003cdd\u003e\n\u003cstrong\u003eExtended Phase Angle RCD Testing\u003c\/strong\u003e: 0°, 90°, 135°, and 180° phase angles for characterizing Type AC and Type A protective devices\u003c\/dd\u003e\n  \u003cdd\u003e\n\u003cstrong\u003eAuto PSC\/PFC Calculation\u003c\/strong\u003e: Instantly computes prospective short-circuit and fault currents from measured loop impedance\u003c\/dd\u003e\n  \u003cdd\u003e\n\u003cstrong\u003eThree-Phase Sequence Detection\u003c\/strong\u003e: Verifies correct motor rotation phase order during industrial machinery commissioning\u003c\/dd\u003e\n  \u003cdd\u003e\n\u003cstrong\u003e9999-Count High Resolution Display\u003c\/strong\u003e: Finer measurement granularity for precise fault current and impedance readings\u003c\/dd\u003e\n  \u003cdd\u003e\n\u003cstrong\u003eComprehensive Safety Platform\u003c\/strong\u003e: Covers all tests required for industrial EICR, PAT testing support, and large-site commissioning\u003c\/dd\u003e\n\u003c\/dl\u003e\n\n\u003ch3\u003eApplications\u003c\/h3\u003e\n\u003cdl class=\"package-list\"\u003e\n  \u003cdd\u003eIndustrial plant and factory electrical installation commissioning\u003c\/dd\u003e\n  \u003cdd\u003eHigh-voltage cable and motor winding insulation integrity assessment\u003c\/dd\u003e\n  \u003cdd\u003eRCD and ELCB trip time verification on industrial distribution boards\u003c\/dd\u003e\n  \u003cdd\u003ePhase sequence confirmation during three-phase motor drive installation\u003c\/dd\u003e\n  \u003cdd\u003eLoop impedance and PSC measurement on large TN-C-S earthing systems\u003c\/dd\u003e\n  \u003cdd\u003ePeriodic inspection reporting for commercial buildings and industrial facilities\u003c\/dd\u003e\n\u003c\/dl\u003e\n\n\u003ch3\u003ePackage Includes\u003c\/h3\u003e\n\u003cdl class=\"package-list\"\u003e\n  \u003cdd\u003e1 x UNI-T UT595 Comprehensive Electrical Safety Tester\u003c\/dd\u003e\n  \u003cdd\u003eTest leads with safety shrouded probes\u003c\/dd\u003e\n  \u003cdd\u003eAlligator clips\u003c\/dd\u003e\n  \u003cdd\u003eBattery pack (installed)\u003c\/dd\u003e\n  \u003cdd\u003eEnglish user manual\u003c\/dd\u003e\n  \u003cdd\u003eHard carrying case\u003c\/dd\u003e\n\u003c\/dl\u003e\n\n\u003cp\u003eFor projects requiring only RCD trip time and ramp test without full insulation coverage, the \u003ca href=\"\/products\/uni-t-ut593-multifunction-installation-tester\"\u003eUNI-T UT593 Multifunction Installation Tester\u003c\/a\u003e offers a lighter and more cost-effective alternative for standard commercial inspection work.\u003c\/p\u003e\n\n\u003ch3\u003eDownloads\u003c\/h3\u003e\n\u003cp\u003e\n  \u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0679\/7587\/2725\/files\/uni-t-ut595-data-sheet.pdf\" target=\"_blank\"\u003e📄 Download UNI-T UT595 Data Sheet\u003c\/a\u003e\u003cbr\u003e\n  \u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0679\/7587\/2725\/files\/uni-t-ut595-user-manual.pdf\" target=\"_blank\"\u003e📄 Download UNI-T UT595 User Manual\u003c\/a\u003e\n\u003c\/p\u003e\n\n\u003cdiv class=\"product-vendor\"\u003e\n  \u003cstrong\u003eBrand:\u003c\/strong\u003e \u003ca href=\"\/collections\/vendors?q=UNI-T\"\u003eUNI-T\u003c\/a\u003e\n\u003c\/div\u003e\n\u003cdiv id=\"variant-inventory\"\u003e\u003cspan class=\"in-stock\"\u003eIn stock!\u003c\/span\u003e\u003c\/div\u003e","brand":"UNI-T","offers":[{"title":"Default Title","offer_id":52881214472405,"sku":null,"price":268500.0,"currency_code":"LKR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0679\/7587\/2725\/files\/uni-t-ut595-comprehensive-electrical-safety-tester-front-view.jpg?v=1779346292"},{"product_id":"uni-t-ut582-digital-rcd-elcb-tester","title":"UNI-T UT582+ Digital RCD ELCB Tester","description":"\u003ch2\u003eUNI-T UT582+ Digital RCD ELCB Tester in Sri Lanka\u003c\/h2\u003e\n\n\u003ch3\u003eSingle-Phase RCD Trip Time and Ramp Test Instrument\u003c\/h3\u003e\n\n\u003cp\u003e\n  The \u003cstrong\u003eUNI-T UT582+ Digital RCD ELCB Tester\u003c\/strong\u003e is a professional single-phase residual current device tester designed for verifying the trip time and trip current of RCDs, ELCBs, and RCCBs in domestic and light commercial electrical installations. It supports rated currents from 10mA to 500mA and delivers accurate test results at both 0° and 180° phase angles to verify device performance under real-world fault conditions.\n\u003c\/p\u003e\n\n\u003cp\u003eDiscover our complete selection of \u003ca href=\"\/collections\/rcd-testers\" target=\"_blank\"\u003eDigital RCD Testers — trip time, ramp test, and loop impedance instruments available in Sri Lanka!\u003c\/a\u003e\u003c\/p\u003e\n\n\u003cp\u003e\n  Featuring auto-ramp test mode, x½, x1, and x5 multiplier test functions, and clear digital LCD readout, the UT582+ gives single-phase electricians a fast and reliable tool for routine RCD compliance testing and periodic inspection workflows.\n\u003c\/p\u003e\n\n\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\n\u003cdl class=\"package-list\"\u003e\n  \u003cdd\u003e\n\u003cstrong\u003eRated Current Range\u003c\/strong\u003e: 10mA, 30mA, 100mA, 300mA, 500mA\u003c\/dd\u003e\n  \u003cdd\u003e\n\u003cstrong\u003eTest Type\u003c\/strong\u003e: Trip time test (x½, x1, x5), Ramp (auto-ramping) test\u003c\/dd\u003e\n  \u003cdd\u003e\n\u003cstrong\u003ePhase Angle\u003c\/strong\u003e: 0° and 180°\u003c\/dd\u003e\n  \u003cdd\u003e\n\u003cstrong\u003eTrip Time Measurement\u003c\/strong\u003e: 0–999ms\u003c\/dd\u003e\n  \u003cdd\u003e\n\u003cstrong\u003eSupply Voltage\u003c\/strong\u003e: 100V–250V AC, 50\/60Hz\u003c\/dd\u003e\n  \u003cdd\u003e\n\u003cstrong\u003eRCD Type Support\u003c\/strong\u003e: Type AC\u003c\/dd\u003e\n  \u003cdd\u003e\n\u003cstrong\u003eDisplay\u003c\/strong\u003e: Digital LCD\u003c\/dd\u003e\n  \u003cdd\u003e\n\u003cstrong\u003eSafety Rating\u003c\/strong\u003e: CAT II 300V\u003c\/dd\u003e\n\u003c\/dl\u003e\n\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\u003cdl class=\"package-list\"\u003e\n  \u003cdd\u003e\n\u003cstrong\u003eMultiplier Test\u003c\/strong\u003e: x½ (no-trip verification), x1 (rated current), x5 (high-current quick trip)\u003c\/dd\u003e\n  \u003cdd\u003e\n\u003cstrong\u003eAuto Ramp Test\u003c\/strong\u003e: Gradually increases test current from zero to find exact trip threshold\u003c\/dd\u003e\n  \u003cdd\u003e\n\u003cstrong\u003ePhase Angle Selection\u003c\/strong\u003e: 0° and 180° tests to simulate both positive and negative half-cycle faults\u003c\/dd\u003e\n  \u003cdd\u003e\n\u003cstrong\u003eNon-Trip Test\u003c\/strong\u003e: Verifies RCD does not nuisance-trip at x½ rated current\u003c\/dd\u003e\n  \u003cdd\u003e\n\u003cstrong\u003eCompact Design\u003c\/strong\u003e: Lightweight portable housing for easy site carry\u003c\/dd\u003e\n  \u003cdd\u003e\n\u003cstrong\u003eSafety Fuse Protection\u003c\/strong\u003e: Built-in protection against accidental connection\u003c\/dd\u003e\n\u003c\/dl\u003e\n\n\u003ch3\u003eApplications\u003c\/h3\u003e\n\u003cdl class=\"package-list\"\u003e\n  \u003cdd\u003ePeriodic inspection of domestic consumer units and distribution boards\u003c\/dd\u003e\n  \u003cdd\u003eRCD\/RCCB compliance verification in residential wiring installations\u003c\/dd\u003e\n  \u003cdd\u003eElectrical contractor testing during handover and certification\u003c\/dd\u003e\n  \u003cdd\u003eTesting ELCBs in light commercial switchboards\u003c\/dd\u003e\n\u003c\/dl\u003e\n\n\u003ch3\u003ePackage Includes\u003c\/h3\u003e\n\u003cdl class=\"package-list\"\u003e\n  \u003cdd\u003e1 x UNI-T UT582+ Digital RCD ELCB Tester\u003c\/dd\u003e\n  \u003cdd\u003eTest leads \/ plug adapters\u003c\/dd\u003e\n  \u003cdd\u003eBattery (installed)\u003c\/dd\u003e\n  \u003cdd\u003eEnglish user manual\u003c\/dd\u003e\n  \u003cdd\u003eCarrying pouch\u003c\/dd\u003e\n\u003c\/dl\u003e\n\n\u003cp\u003eIf your projects require three-phase RCD testing or loop impedance measurement, consider upgrading to the \u003ca href=\"\/products\/uni-t-ut586-three-phase-rcd-loop-tester\"\u003eUNI-T UT586+ Three-Phase RCD \u0026amp; Loop Impedance Tester\u003c\/a\u003e for broader electrical installation coverage.\u003c\/p\u003e\n\n\u003ch3\u003eDownloads\u003c\/h3\u003e\n\u003cp\u003e\n  \u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0679\/7587\/2725\/files\/uni-t-ut582-data-sheet.pdf\" target=\"_blank\"\u003e📄 Download UNI-T UT582+ Data Sheet\u003c\/a\u003e\u003cbr\u003e\n  \u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0679\/7587\/2725\/files\/uni-t-ut582-user-manual.pdf\" target=\"_blank\"\u003e📄 Download UNI-T UT582+ User Manual\u003c\/a\u003e\n\u003c\/p\u003e\n\n\u003cdiv class=\"product-vendor\"\u003e\n  \u003cstrong\u003eBrand:\u003c\/strong\u003e \u003ca href=\"\/collections\/vendors?q=UNI-T\"\u003eUNI-T\u003c\/a\u003e\n\u003c\/div\u003e\n\u003cdiv id=\"variant-inventory\"\u003e\u003cspan class=\"in-stock\"\u003eIn stock!\u003c\/span\u003e\u003c\/div\u003e","brand":"UNI-T","offers":[{"title":"Default Title","offer_id":53842538004693,"sku":null,"price":54500.0,"currency_code":"LKR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0679\/7587\/2725\/files\/uni-t-ut582-plus-digital-rcd-elcb-tester-front-view.jpg?v=1779335845"},{"product_id":"uni-t-ut586-three-phase-rcd-loop-tester","title":"UNI-T UT586+ Three-Phase RCD \u0026 Loop Impedance Tester","description":"\u003ch2\u003eUNI-T UT586+ Three-Phase RCD \u0026amp; Loop Impedance Tester in Sri Lanka\u003c\/h2\u003e\n\n\u003ch3\u003eSingle and Three-Phase RCD Trip Time Tester with Loop Impedance Measurement\u003c\/h3\u003e\n\n\u003cp\u003e\n  The \u003cstrong\u003eUNI-T UT586+ Three-Phase RCD and Loop Impedance Tester\u003c\/strong\u003e is a powerful, dual-purpose instrument capable of testing both single-phase and three-phase residual current devices with rated currents up to 1000mA. It combines precise RCD trip time measurement, auto-ramp current testing, and loop impedance measurement into a single rugged handheld unit — making it the ideal tool for industrial electricians and panel builders working on complex three-phase distribution systems in Sri Lanka.\n\u003c\/p\u003e\n\n\u003cp\u003eDiscover our complete selection of \u003ca href=\"\/collections\/rcd-testers\" target=\"_blank\"\u003eDigital RCD Testers — portable, single-phase, and three-phase models available in Sri Lanka!\u003c\/a\u003e\u003c\/p\u003e\n\n\u003cp\u003e\n  Equipped with phase sequence detection and high-voltage loop impedance testing up to 440V AC, the UT586+ handles the full spectrum of industrial switchboard commissioning, periodic inspection, and fault diagnosis tasks that go beyond the capability of basic single-phase RCD testers.\n\u003c\/p\u003e\n\n\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\n\u003cdl class=\"package-list\"\u003e\n  \u003cdd\u003e\n\u003cstrong\u003eRated Current Range\u003c\/strong\u003e: 10mA, 30mA, 100mA, 300mA, 500mA, 1000mA\u003c\/dd\u003e\n  \u003cdd\u003e\n\u003cstrong\u003ePhase Support\u003c\/strong\u003e: Single-phase and Three-phase\u003c\/dd\u003e\n  \u003cdd\u003e\n\u003cstrong\u003eTest Type\u003c\/strong\u003e: Trip time (x½, x1, x5), Ramp test, Loop impedance\u003c\/dd\u003e\n  \u003cdd\u003e\n\u003cstrong\u003ePhase Angle\u003c\/strong\u003e: 0°, 90°, 135°, 180°\u003c\/dd\u003e\n  \u003cdd\u003e\n\u003cstrong\u003eLoop Impedance Range\u003c\/strong\u003e: 0.00Ω–1999Ω\u003c\/dd\u003e\n  \u003cdd\u003e\n\u003cstrong\u003eSupply Voltage\u003c\/strong\u003e: 100V–440V AC, 50\/60Hz\u003c\/dd\u003e\n  \u003cdd\u003e\n\u003cstrong\u003eRCD Type Support\u003c\/strong\u003e: Type AC, Type A\u003c\/dd\u003e\n  \u003cdd\u003e\n\u003cstrong\u003ePhase Sequence\u003c\/strong\u003e: L1-L2-L3 detection\u003c\/dd\u003e\n  \u003cdd\u003e\n\u003cstrong\u003eSafety Rating\u003c\/strong\u003e: CAT III 600V\u003c\/dd\u003e\n\u003c\/dl\u003e\n\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\u003cdl class=\"package-list\"\u003e\n  \u003cdd\u003e\n\u003cstrong\u003eThree-Phase Capability\u003c\/strong\u003e: Tests three-phase RCDs and ELCB panels in industrial installations\u003c\/dd\u003e\n  \u003cdd\u003e\n\u003cstrong\u003eLoop Impedance Measurement\u003c\/strong\u003e: Measures earth fault loop impedance and calculates prospective fault current\u003c\/dd\u003e\n  \u003cdd\u003e\n\u003cstrong\u003eExtended Current Range\u003c\/strong\u003e: Covers up to 1000mA for heavy-duty industrial RCD devices\u003c\/dd\u003e\n  \u003cdd\u003e\n\u003cstrong\u003eMulti-Angle Phase Testing\u003c\/strong\u003e: 0°, 90°, 135°, and 180° phase angles for thorough device characterization\u003c\/dd\u003e\n  \u003cdd\u003e\n\u003cstrong\u003ePhase Sequence Detection\u003c\/strong\u003e: Identifies L1-L2-L3 rotation for motor and drive protection verification\u003c\/dd\u003e\n  \u003cdd\u003e\n\u003cstrong\u003eType A RCD Support\u003c\/strong\u003e: Tests pulsating DC-sensitive Type A residual current devices\u003c\/dd\u003e\n  \u003cdd\u003e\n\u003cstrong\u003eCAT III 600V Rated\u003c\/strong\u003e: Safe for use on industrial switchgear and distribution panels\u003c\/dd\u003e\n\u003c\/dl\u003e\n\n\u003ch3\u003eApplications\u003c\/h3\u003e\n\u003cdl class=\"package-list\"\u003e\n  \u003cdd\u003eCommissioning and periodic inspection of industrial three-phase distribution boards\u003c\/dd\u003e\n  \u003cdd\u003eLoop impedance measurement on factory floor power circuits\u003c\/dd\u003e\n  \u003cdd\u003ePhase sequence verification during motor drive panel installation\u003c\/dd\u003e\n  \u003cdd\u003eTesting Type A RCDs protecting variable-speed drives and EV chargers\u003c\/dd\u003e\n  \u003cdd\u003eHigh-current industrial ELCB and RCCB trip time compliance testing\u003c\/dd\u003e\n\u003c\/dl\u003e\n\n\u003ch3\u003ePackage Includes\u003c\/h3\u003e\n\u003cdl class=\"package-list\"\u003e\n  \u003cdd\u003e1 x UNI-T UT586+ Three-Phase RCD \u0026amp; Loop Impedance Tester\u003c\/dd\u003e\n  \u003cdd\u003eTest leads with safety probes\u003c\/dd\u003e\n  \u003cdd\u003eAlligator clips\u003c\/dd\u003e\n  \u003cdd\u003eBattery (installed)\u003c\/dd\u003e\n  \u003cdd\u003eEnglish user manual\u003c\/dd\u003e\n  \u003cdd\u003eCarrying case\u003c\/dd\u003e\n\u003c\/dl\u003e\n\n\u003cp\u003eFor comprehensive electrical installation testing that also covers insulation resistance, continuity, and voltage measurement in a single instrument, consider the \u003ca href=\"\/products\/uni-t-ut593-multifunction-installation-tester\"\u003eUNI-T UT593 Multifunction Installation Tester\u003c\/a\u003e.\u003c\/p\u003e\n\n\u003ch3\u003eDownloads\u003c\/h3\u003e\n\u003cp\u003e\n  \u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0679\/7587\/2725\/files\/uni-t-ut586-data-sheet.pdf\" target=\"_blank\"\u003e📄 Download UNI-T UT586+ Data Sheet\u003c\/a\u003e\u003cbr\u003e\n  \u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0679\/7587\/2725\/files\/uni-t-ut586-user-manual.pdf\" target=\"_blank\"\u003e📄 Download UNI-T UT586+ User Manual\u003c\/a\u003e\n\u003c\/p\u003e\n\n\u003cdiv class=\"product-vendor\"\u003e\n  \u003cstrong\u003eBrand:\u003c\/strong\u003e \u003ca href=\"\/collections\/vendors?q=UNI-T\"\u003eUNI-T\u003c\/a\u003e\n\u003c\/div\u003e\n\u003cdiv id=\"variant-inventory\"\u003e\u003cspan class=\"in-stock\"\u003eIn stock!\u003c\/span\u003e\u003c\/div\u003e","brand":"UNI-T","offers":[{"title":"Default Title","offer_id":53842676613333,"sku":null,"price":168500.0,"currency_code":"LKR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0679\/7587\/2725\/files\/uni-t-ut586-plus-three-phase-rcd-loop-impedance-tester-front-view.jpg?v=1779336906"},{"product_id":"uni-t-ut593-multifunction-installation-tester","title":"UNI-T UT593 Multifunction Electrical Installation Tester","description":"\u003ch2\u003eUNI-T UT593 Multifunction Electrical Installation Tester in Sri Lanka\u003c\/h2\u003e\n\n\u003ch3\u003eRCD, Loop Impedance, Insulation Resistance \u0026amp; Continuity Tester in One Instrument\u003c\/h3\u003e\n\n\u003cp\u003e\n  The \u003cstrong\u003eUNI-T UT593 Multifunction Electrical Installation Tester\u003c\/strong\u003e is a comprehensive all-in-one safety instrument combining RCD trip time testing, earth fault loop impedance measurement, insulation resistance testing, low-resistance continuity checking, and live voltage measurement. It is purpose-built for electrical contractors, test-and-inspection engineers, and building services professionals in Sri Lanka who require a single portable tool for full IEE Wiring Regulations and IEC standard compliance verification.\n\u003c\/p\u003e\n\n\u003cp\u003eDiscover our complete selection of \u003ca href=\"\/collections\/rcd-testers\" target=\"_blank\"\u003eDigital RCD Testers — from portable single-phase testers to multifunction installation instruments in Sri Lanka!\u003c\/a\u003e\u003c\/p\u003e\n\n\u003cp\u003e\n  Unlike standalone RCD testers, the UT593 eliminates the need to carry multiple instruments on-site. Its integrated architecture covers every core test required during an electrical installation periodic inspection report (EICR), from initial voltage checks through to insulation integrity and protective device trip verification.\n\u003c\/p\u003e\n\n\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\n\u003cdl class=\"package-list\"\u003e\n  \u003cdd\u003e\n\u003cstrong\u003eRCD Rated Current\u003c\/strong\u003e: 10mA, 30mA, 100mA, 300mA, 500mA\u003c\/dd\u003e\n  \u003cdd\u003e\n\u003cstrong\u003eRCD Test Modes\u003c\/strong\u003e: Trip time (x½, x1, x5), Ramp test, 0° and 180° phase angles\u003c\/dd\u003e\n  \u003cdd\u003e\n\u003cstrong\u003eLoop Impedance\u003c\/strong\u003e: 0.01Ω–1999Ω with PSC\/PFC calculation\u003c\/dd\u003e\n  \u003cdd\u003e\n\u003cstrong\u003eInsulation Resistance\u003c\/strong\u003e: 250V \/ 500V \/ 1000V test voltage, range up to 2000MΩ\u003c\/dd\u003e\n  \u003cdd\u003e\n\u003cstrong\u003eContinuity\u003c\/strong\u003e: 0.01Ω–999Ω low-resistance measurement with audible beeper\u003c\/dd\u003e\n  \u003cdd\u003e\n\u003cstrong\u003eVoltage Measurement\u003c\/strong\u003e: 10V–440V AC\u003c\/dd\u003e\n  \u003cdd\u003e\n\u003cstrong\u003eSupply Voltage\u003c\/strong\u003e: 100V–440V AC, 50\/60Hz\u003c\/dd\u003e\n  \u003cdd\u003e\n\u003cstrong\u003eSafety Rating\u003c\/strong\u003e: CAT III 600V\u003c\/dd\u003e\n\u003c\/dl\u003e\n\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\u003cdl class=\"package-list\"\u003e\n  \u003cdd\u003e\n\u003cstrong\u003eAll-in-One Platform\u003c\/strong\u003e: Replaces five separate instruments — RCD tester, loop tester, insulation tester, continuity tester, and voltmeter\u003c\/dd\u003e\n  \u003cdd\u003e\n\u003cstrong\u003ePSC \/ PFC Display\u003c\/strong\u003e: Automatically calculates prospective short-circuit and prospective fault current from loop impedance results\u003c\/dd\u003e\n  \u003cdd\u003e\n\u003cstrong\u003eMulti-Voltage Insulation Test\u003c\/strong\u003e: Selectable 250V, 500V, 1000V outputs for testing cables, motors, and switchgear insulation\u003c\/dd\u003e\n  \u003cdd\u003e\n\u003cstrong\u003eAudible Continuity\u003c\/strong\u003e: Instant beeper response for rapid PE conductor and bonding checks\u003c\/dd\u003e\n  \u003cdd\u003e\n\u003cstrong\u003eLarge Backlit Display\u003c\/strong\u003e: High-contrast LCD ensures readability in dimly lit panels and distribution rooms\u003c\/dd\u003e\n  \u003cdd\u003e\n\u003cstrong\u003eRotary Function Selector\u003c\/strong\u003e: Dedicated switch positions for fast function changeover on-site\u003c\/dd\u003e\n\u003c\/dl\u003e\n\n\u003ch3\u003eApplications\u003c\/h3\u003e\n\u003cdl class=\"package-list\"\u003e\n  \u003cdd\u003eElectrical installation periodic inspection report (EICR) testing\u003c\/dd\u003e\n  \u003cdd\u003eNew installation commissioning and sign-off verification\u003c\/dd\u003e\n  \u003cdd\u003eRCD and ELCB trip time compliance testing in commercial buildings\u003c\/dd\u003e\n  \u003cdd\u003eInsulation resistance testing on submersible pump and motor cables\u003c\/dd\u003e\n  \u003cdd\u003eEarth continuity and protective bonding verification\u003c\/dd\u003e\n  \u003cdd\u003eLoop impedance measurement on TN-S and TN-C-S earthing systems\u003c\/dd\u003e\n\u003c\/dl\u003e\n\n\u003ch3\u003ePackage Includes\u003c\/h3\u003e\n\u003cdl class=\"package-list\"\u003e\n  \u003cdd\u003e1 x UNI-T UT593 Multifunction Installation Tester\u003c\/dd\u003e\n  \u003cdd\u003eTest leads with safety shrouded probes\u003c\/dd\u003e\n  \u003cdd\u003eAlligator clips\u003c\/dd\u003e\n  \u003cdd\u003eBattery pack (installed)\u003c\/dd\u003e\n  \u003cdd\u003eEnglish user manual\u003c\/dd\u003e\n  \u003cdd\u003eHard carrying case\u003c\/dd\u003e\n\u003c\/dl\u003e\n\n\u003cp\u003eIf your projects demand higher insulation test voltage up to 1000V and an extended loop impedance range for large industrial sites, consider the \u003ca href=\"\/products\/uni-t-ut595-comprehensive-electrical-safety-tester\"\u003eUNI-T UT595 Comprehensive Electrical Safety Tester\u003c\/a\u003e for maximum diagnostic coverage.\u003c\/p\u003e\n\n\u003ch3\u003eDownloads\u003c\/h3\u003e\n\u003cp\u003e\n  \u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0679\/7587\/2725\/files\/uni-t-ut593-data-sheet.pdf\" target=\"_blank\"\u003e📄 Download UNI-T UT593 Data Sheet\u003c\/a\u003e\u003cbr\u003e\n  \u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0679\/7587\/2725\/files\/uni-t-ut593-user-manual.pdf\" target=\"_blank\"\u003e📄 Download UNI-T UT593 User Manual\u003c\/a\u003e\n\u003c\/p\u003e\n\n\u003cdiv class=\"product-vendor\"\u003e\n  \u003cstrong\u003eBrand:\u003c\/strong\u003e \u003ca href=\"\/collections\/vendors?q=UNI-T\"\u003eUNI-T\u003c\/a\u003e\n\u003c\/div\u003e\n\u003cdiv id=\"variant-inventory\"\u003e\u003cspan class=\"in-stock\"\u003eIn stock!\u003c\/span\u003e\u003c\/div\u003e","brand":"UNI-T","offers":[{"title":"Default Title","offer_id":53842836488405,"sku":null,"price":246500.0,"currency_code":"LKR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0679\/7587\/2725\/files\/uni-t-ut593-multifunction-installation-tester-front-view.jpg?v=1779341780"}],"url":"https:\/\/nanozone.lk\/collections\/rcd-testers.oembed","provider":"NanoZone.LK","version":"1.0","type":"link"}