{"product_id":"uni-t-ut501b-insulation-resistance-tester","title":"UNI-T UT501B | Insulation Resistance Tester","description":"\u003cp\u003eThe UNI-T UT501B Insulation Resistance Tester is a professional digital megohmmeter for checking insulation resistance in motors, cables, electrical panels, transformers, and maintenance systems. It provides 250V, 500V, and 1000V insulation test voltages and measures up to 5GΩ, making it practical for technicians who do not need the 100V range of UT501A. The UT500 series covers insulation resistance testing for electrical equipment and maintenance applications.\u003c\/p\u003e\n\u003ch2\u003ePro Tip\u003c\/h2\u003e\n\u003cp\u003eRecord insulation values during scheduled maintenance; comparing readings over time helps detect insulation deterioration before failure.\u003c\/p\u003e\n\u003ch2\u003eBuyer’s Selection Guide\u003c\/h2\u003e\n\u003cp\u003eChoose the UT501B if your common insulation tests are at 250V, 500V, and 1000V. It is a balanced model for workshops, facility maintenance, electricians, and industrial users who need reliable insulation testing without 2500V output.\u003c\/p\u003e\n\u003ch2\u003eKey Features\u003cbr\u003e\n\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eDigital insulation resistance tester\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003e250V \/ 500V \/ 1000V test voltages\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003eMeasures insulation resistance up to 5GΩ\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003eAC voltage measurement\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003eAuto discharge after testing\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003eHigh-voltage indication\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003eBacklight and overload indication\u003cbr\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eTechnical Specifications\u003cbr\u003e\n\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eModel: UT501B\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003eProduct Type: Insulation Resistance Tester\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003eTest Voltages: 250V \/ 500V \/ 1000V\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003eInsulation Range at 250V \/ 500V \/ 1000V: up to 5GΩ\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003eAccuracy: ±(3%+5) for lower MΩ range; ±(5%+5) for higher GΩ range\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003eShort-Circuit Current: \u0026lt;2mA\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003eAC Voltage Range: 30V–750V\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003ePower: 1.5V battery × 6\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003eDisplay: Large LCD with backlight\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003eSafety Functions: Auto discharge, overload indication, high-voltage warning\u003cbr\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eApplications\u003cbr\u003e\n\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eCable insulation testing\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003eMotor winding checks\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003eElectrical maintenance\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003eTransformer insulation inspection\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003eIndustrial equipment testing\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Uni-T Instruments","offers":[{"title":"Default Title","offer_id":48264350793985,"sku":"211490012","price":1.0,"currency_code":"PKR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0731\/5659\/1873\/files\/ut501b.jpg?v=1774184892","url":"https:\/\/kamadi.pk\/products\/uni-t-ut501b-insulation-resistance-tester","provider":"Kamadi Pakistan","version":"1.0","type":"link"}