Besantek BST-CBF01 Circuit Breaker Identifier, Detects Fuse, Circuit Breaker or Faulty Circuit

The BESANTEK BST-CBF01 is a Fuse and Fault Finder which comprises of two parts: The Receiver and the Transmitter. The Transmitter, draws a current from the main supply circuit to which it is connected to the Signal Current from the Tx is at about 10kHz. The Transmitter is powered by the mains and requires no batteries. The Circuit breaker that supplies the Transmitter circuitry is the one, that (when pointed out by the tip) has the most LEDs lit on the bar-graph and the fastest buzz.. To find an earth fault, or the trace faulty wire, you must connect the transmitter in serie with fault. For example, say, you have a short between Line and Earth, but you do not know where the short is.. Connect the Transmitter, using an adapter, in serie, in the line. if the protection device trips, then you will have to bypass the protection device for duration of the test. Use the optional leads for this use.