Safe and reliable operation: protection features include overtemperature protection and lowbattery alerts to help prevent damage and support secure, efficient testing. Efficient insulation voltage measurements: designed for electrical engineers, technicians, and laboratory researchers to provide accurate insulation voltage readings across a wide range of components. Flexible output and clear readouts: offers constant voltage or current output with a 5W output and a definition voltmeter to ensure accurate performance in diverse applications. Precise and adjustable voltage: multifunctional durable voltage tester with adjustable output from DC50V to 3700V and accuracy, making it suitable for professional settings. Use scenario: in electrical engineering labs for insulation voltage verification on cables, transformers, and motors to ensure performance and safety. Use scenario: onsite maintenance for electrical installations, performing insulation checks on switchgear, connectors, and components prior to commissioning. Use scenario: research and development or component testing to characterize insulation properties of devices and prototypes.