8
How the 2011 Circuit Seeker™ Circuit Tracer Operates
The 2011 is composed of two primary components: the receiver and the transmitter. When
the transmitter is connected to any electrical line (up to 600 volts), it induces or draws a
very small current in a unique manner depending on line conditions. The signal used is
a crystal-controlled, precision combination of four separate frequencies. This composite
signal gives it a specialized
signature
.
To be received, the signal must have this exact combination of frequencies.
This feature greatly reduces the possibility of interference from electrical
noise
, which is
often caused by lamps, appliances, fluorescent fixtures, or machinery that is on the same
line.
The signal produced by the transmitter generates a magnetic or electrostatic field
signature
around the conductor being traced, which matches that of the signal itself. This
signature is present the entire length of the current path, including through breakers, fuses,
switchgear, and transformers.
The 2011 receiver is tuned to pick up only that signature produced by the transmitter. Both
the transmitter and the receiver are microprocessor-controlled for maximum ease of use
and accuracy.
The transmitter will turn off its own power after approximately 30 minutes. To save battery
life, the receiver also uses an Auto Power Off feature and will turn off after approximately
1 minute without signal. The transmitter can be manually turned off using the OFF/ON
button. The receiver may also be turned off manually by pushing the HIGH and LOW RANGE
buttons simultaneously.
The Polysig™ Composite Signal
Most circuit tracers rely on a single transmitter frequency for tracing. This means that any
noise in that frequency range will be received as a signal, causing confusion and possibly
indicating the wrong breaker or other false reading. The Polysig™ composite signal in
combination with a unique tone sequence makes it almost impossible to receive anything
other than the true signal. The Polysig™ signal provides a much longer range capability
than a single frequency. The transmitter operates with a very low signal current. This low
current will not disrupt voltage-sensitive equipment such as computers.
Summary of Contents for POWER FINDER CIRCUIT SEEKER GREENLEE 2011/00521
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