Features:
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