An unique non-contact phase rotation indicator that carries out measurements via inductive crocodile clips. The increased safety design of this phase rotation tester allows for use on both insulated and non-insulated conductors with a buzzer and bright LED’s giving clear indication of clockwise or anti-clockwise phase rotation. There is also an Enhanced Brightness switch for clear indication in strong ambient light. The Martindale PSI4000 is supplied with 4 x AA batteries, soft carry case and manual.

• · Non-contact for improved safety and ease of use
• · Works on both insulated and uninsulated conductors
• · Bright LED and buzzer indication of live phases and sequence
• · Positive indication for clockwise rotation
• · High quality colour coded clips