• Custom microprocessor controlled for highest accuracy and reliability.
• 3 LEDs for checking correct wiring status.
• 0 and 180 degree phase angle switch permits quick tests and consistent readings.
• Digital read-out of tripping time.
• Constant current source circuitry ensures that a fluctuating mains voltage does not affect the accuracy of readings.
• Large custom digital display readout.
• Visual indication of reversed phase and neutral wiring at socket.
• Designed to IP54 Rating.
• Complies with IEC 61557
• Test of a large kind of RCD's: Standard, Selective, AC and A (DC sensitive breakers)