Martindale PSI4000 Phase Rotation Tester, CAT III 1000 V, CAT IV 600 V, 65Hz Max, 1000V ac Max

4 x AA batteries, soft carry case and instruction manual. PSI4000 Phase Rotation Indicator. The Martindale PSI4000 is a unique phase rotation indicator that carries out the measurement via inductive crocodile clips. This method increases the safety of the user, whilst the bright LEDs give a clear indication of either clockwise or anti-clockwise phase rotation. The design of this phase rotation tester allows for use on both insulated or uninsulated conductors, and an "Enhanced Brightness" switch makes indication brighter in strong ambient light. A combination of both rotating LEDs and buzzer tones indicate clockwise or anti-clockwise rotation. Input Voltage: 150V-1000V 3-Phase AC. Frequency Range: 45-65Hz Operating Temperature ; Humidity: -10 °C to 50 °C, Max. 80%RH. Battery Current consumption: 15mA Cable Length: Approx. 800 mm Power Source: 1.5V X 4 (AA or LR6) alkaline batteries Auto-Off: After 5 mins of non activity Low Battery Warning: Power LED flashes below 4.6V DC battery voltage