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2.2 GroundFlex
The GroundFlex
closed using a screw connector. This closed loop is then used to make a contact-
free measurement of the current flowing in the conductor it is wrapped around.
These sensors are like current measurement clamps but are able to enclose
objects that are much larger. GroundFlex
to approx 16 ft (5m) and can be placed around objects (such as pylon legs) up to
in approx 5 ft diameter (1.5m).
2.2.1
Calibration of GroundFlex
GroundFlex
sensors need to be calibrated before the first use. Calibration is
™
necessary for a new sensor, one that is no longer identified, or when a sensor has
been replaced. The calibration coefficients are then recorded in the Model 6474.
NOTE: Do not move or touch the GroundFlex
during the calibration. This could cause errors.
GroundFlex™ Adapter Model 6474
Sensor
™
sensors are placed around a conductor (pylon leg or pole) and
™
sensors are available in lengths of up
™
Sensors
™
sensor or the calibration loop
™
7
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