- Wide Measurement Range and High Precision: This tester measures insulation resistance from 0.1M Ω to 2000M Ω with a resolution of 6000 counts, ensuring precise and dependable readings across a broad spectrum of electrical components. - Versatile Test Voltage Options: Equipped with four selectable test voltages (100V, 250V, 500V, 1000V), this device is adaptable to various testing needs. It effectively evaluates insulation quality in transformers, motors, cables, switches, and household appliances. - User-Friendly LCD Display: The clear LCD display provides easy-to-read measurement results. A data hold function allows you to pause the display for convenient recording of important data without losing the reading. - Energy-Efficient Automatic Shutdown: The tester automatically powers down after 15 minutes of inactivity, preserving battery life and reducing unnecessary energy consumption, making it ideal for extended field use. - Practical Applications: - Use this tester in industrial settings to assess the insulation integrity of transformers and motors, ensuring operational safety and efficiency. - Ideal for electricians conducting routine maintenance on cables and switches, providing reliable insulation resistance readings to prevent electrical failures. This insulation resistance tester combines accuracy, versatility, and efficiency, making it an essential tool for professionals in electrical maintenance and diagnostics.