Product OverviewThe Kyoritsu KEW 3125B is a high-performance, professional-grade digital high-voltage insulation tester designed for rigorous electrical diagnostic applications. It is engineered to perform precise insulation resistance measurements up to 1TΩ (Tera-ohm) with a wide range of selectable test voltages. Its robust construction, combined with advanced diagnostic features like PI (Polarization Index) and DAR (Dielectric Absorption Ratio), makes it an essential tool for utility, industrial, and power generation maintenance.Key FeaturesWide Voltage Range: Provides five selectable test voltages (250V, 500V, 1000V, 2500V, and 5000V) to accommodate various equipment insulation requirements.Advanced Diagnostics: Integrated measurement functions for PI (Polarization Index) and DAR (Dielectric Absorption Ratio) allow for a comprehensive analysis of insulation condition, going beyond simple resistance values.High Sensitivity & Accuracy: Offers measurement capacity up to 1TΩ with a noise reduction filter function that ensures stable readings even in electrically noisy industrial environments.Safety & Operator Protection: Complies with IEC 61010-1 (CAT IV 300V / CAT III 600V) safety standards. It includes an auto-discharge function that safely removes stored capacitive charge after testing, alongside a live voltage warning system.Durability & Ease of Use: Features a large, clear LCD with an analog bar graph for real-time trend visualization and backlighting for operation in low-light conditions. It comes in a rugged hard carrying case for field protection.Technical SpecificationsFeatureSpecificationBrandKyoritsuModelKEW 3125BTest Voltages250V / 500V / 1000V / 2500V / 5000V DCInsulation Resistance0.0MΩ to 1TΩShort-Circuit CurrentUp to 1.5mAVoltage Measurement30V – 600V AC/DCSafety StandardCAT IV 300V / CAT III 600VDisplayLCD with Bar Graph & BacklightPower Source8 x LR14 (Size C) Alkaline BatteriesWeightApprox. 1.9 kg (including batteries)Dimensions177 x 226 x 100 mmSEO KeywordsKyoritsu KEW 3125B, Digital Insulation Tester, High Voltage Insulation Tester, 5kV Insulation Meter, PI/DAR Diagnostic Tester, Kyoritsu 3125B Specs, Insulation Resistance Meter, Electrical Safety Tester, Industrial High Voltage Megger.
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