The INT500 Insulation and Earth-bond Resistance Tester is a high-precision, professional-grade tool designed for electricians, engineers, and technicians performing testing and diagnostics in electrical installations, motors, and automotive systems. Combining insulation resistance, continuity testing, and multimeter functionalities, the INT500 ensures versatile and reliable measurements in challenging environments. With True RMS technology and Auto-sense mode, it offers precise results for AC and DC voltages while automatically detecting the appropriate range. Key Features: Insulation Resistance Testing: Voltage options from 50V to 1000V with a maximum resistance range of up to 200GΩ. Earth-bond Resistance Measurement: Wide range from 0.01Ω to 40.00kΩ, ensuring suitability for industrial and automotive applications. Capacitance Measurement: Range from 0.1nF to 10.00μF, enabling capacitor diagnostics. Auto-sense Mode: Automatically detects and displays ACV or DCV based on the higher voltage (>1V). True RMS Measurements: Delivers accurate readings for non-sinusoidal waveforms. Bluetooth Low Energy (BLE) V5.0: Enables seamless data transfer over a range of 6 meters. Data Storage: Up to 1500 measurement recordings, including detailed insulation and continuity test results. Compliance and Safety: Rated CAT IV 600V and compliant with IEC/EN 61010-1 and EN 61557 standards, ensuring safety during high-voltage tests. Durable Design: Dust-resistant (IP40), capable of withstanding a 4-foot drop, and functional at altitudes up to 2000m. Display and Indicators: Backlit LCD with high-voltage warning indicators, PASS/FAIL visual alerts, and auto power-off functionality. Power Source: Operates on 4 AA batteries, providing up to 2600 Earth-bond resistance tests or 1100 insulation tests. Additional Specifications: Display count: 4000 counts with 2 readings per second. Operating temperature: -20°C to 50°C, with varying humidity tolerances. Dimensions: 96mm x 207mm x 54mm. Weight: 630g (including batteries). Overload protection: AC/DC 600V. The INT500 is ideal for electricians requiring a compact, rugged, and versatile device to test insulation, continuity, and voltage in residential, industrial, or automotive settings.