The Tekneka PR811 Phase Rotation Indicator is a rugged, compact, and reliable device designed to detect phase sequence and the presence of live lines in 3-phase AC systems. Operating within a voltage range of 70 to 1000V and a frequency range of 45 to 66Hz, it provides accurate and safe phase detection for a wide range of electrical applications. The PR811 features bright LED indicators, an audible buzzer, and a brightness control switch for clear visibility even in dimly lit environments. Its magnetic back design allows for hands-free attachment to distribution panels, ensuring both safety and convenience during testing. Built to IEC 61010-1 safety standards (CAT III 1000V / CAT IV 600V, pollution degree 2), the Tekneka PR811 delivers precision, durability, and safety for professional electrical inspections and maintenance tasks. Features ● Detects phase sequence and live line presence via LED and buzzer indication● Wide measuring range: 3-Phase AC 70 to 1000V, Frequency: 45 to 66Hz● Adjustable brightness for easy reading in dim environments● Magnetic back enables hands-free operation on panels● Complies with IEC 61010-1 (CAT III 1000V / CAT IV 600V) safety standards Applications ● The Tekneka PR811 Phase Rotation Indicator is ideal for electricians, maintenance engineers, and industrial technicians working with 3-phase systems. It is used for verifying phase rotation, checking live line presence, and ensuring correct motor wiring or equipment connection in sectors such as manufacturing, construction, power distribution, and HVAC systems. Whether diagnosing power issues or confirming installations, the PR811 ensures safe, accurate, and efficient phase detection in any professional setting.
