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Tempo model 5 tonearc resistance fault tone locator
Tempo Research Model 5 Tonearc Fault Tone Locator
The Tonearc Model 5 is a tone set designed to send fault locating
tone into high resistance faults. Initially, the Tonearc's distance to
fault measurement indicates the general area of the fault. The Tonearc
then produces high voltage, low amperage, short duration pulses, which
create an "ion plasma bridge" at the fault. This "ion plasma bridge",
which acts like a temporary short circuit, blocks the tone signals that
are transmitted during each pulse. To determine the fault's exact
location, the technician uses the tone receiver to trace the tone to
the spot where it stops or drops off significantly. The Tonearc
consistently locates shorts, crosses, grounds, sheath faults, and
splits/re-splits with high-resistance readings up to and exceeding
Several features distinguish the Tonearc from other tone sets in use
today. First, the Tonearc does not simply provide a distance to fault
measurement, nor does it cause damage to the plant with the "ion
plasma bridge" it produces. There are no wave form occurrence
measurements to interpret; the receiver meter needle and audible
tone are the only indicators used to locate a fault. Cable temperature
and gauge do not affect the accuracy of the Tonearc.
* Works safely around data circuits
* Does not damage adjacent pairs
(Info was taken directly from Tempo Research website. For more info visit Tempo Research by clicking here)
This unit is in like new condition. Some of the pieces still have original packaging. There may be some light scuffs and scratches on the outside from being in storage.
We will do our best to answer any emails within One business day or sooner. If you need an answer immediately please call the Representative stated above. However, any questions that occur over the weekend or after hours will be answered the following business day.
