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IThe Positron Insulator Tester measures the AC electric field
surrounding porcelain and composite insulators. The Tester has two parallel,
dielectrically separated, plates that, when placed in an electric field, senses
a voltage between them. The probe measures that voltage when infrared beams are
broken. These beams, situated near the internal ends of the horseshoe shaped
probe are broken when the unit passes a bell (porcelain), the unit passes a
shed (composite), or when the actuator is pushed (universal). The measurement
is associated with a time stamp for later upload to PC.
Software is supplied with the Tester, which facilitates the transfer of the data
from the probe to the PC. The software also provides graphics to interpret the
condition of the scanned insulators. Electric field measurements and the
corresponding plots can be made on many types of insulators which include
porcelain, composite, station posts, lightening arrestors, etc.
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Positron's Insulator Tester for Polymer and Ceramic Insulators Safe and Reliable
The operational integrity of your utility's high voltage insulators is a
priority. Particularly when you consider that a damaged, electrically deficient
insulator can lead to complete system failure, serious injury, or loss of life.
Your ability to safely and accurately evaluate "live-line" ceramic and
composite insulators, for electrical deficiencies, is critical to your
network's efficient maintenance and safe operation.
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PC Based Technology
Positron's Insulator Tester represents a major advancement in insulator
maintenance. The Positron Insulator Tester allows for the safe and reliable
evaluation of high voltage insulators. The electrical field surrounding an
insulator decreases considerably in front of an internally shorted or defective
insulator. The Positron Insulator Tester automatically measures and records the
electrical field along the insulator string. As the operator moves the Positron
Insulator Tester along the string, optical sensors automatically locate the
defective insulator or area. The information collected from the reading is
stored in the Positron Insulator Tester's memory. This information can be then
uploaded to an IBM compatible PC for graphical display and analysis.
Features
Positron has engineered a series of scanners that allow users the ability to
perform diagnostic evaluation of both ceramic and composite insulators. The
Positron Insulator Tester has a number of important features including:
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Ability to scan and record 300 strings before memory uploading is required
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Data can be exported using ASCII format
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Compatible with standard hot stick mountings
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50 Hz and 60 Hz options available
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Designed for operator safety (no electrical contact with insulator string)
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Lightweight, durable construction
Benefits
The Positron Insulator Tester is a revolutionary analytical approach to
evaluating suspension insulators, station posts, bushings, lightening
arresters, etc... Some of the benefits of using the Positron Insulator Tester
include:
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Elimination of individual insulator counting for quick reading capability
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Field readings can be stored in data base for future reference and analysis
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Enhanced operator safety
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Easy to use (single button operation)
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