Custom microprocessor controlled for highest accuracy and reliability

• 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
• Test of a large kind of RCDs : Standard, Selective, AC and A(DC sensitive breakers)
• 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