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Installation

Sensor housing on the down conductor  

The sensor housing is firmly mounted as closely as possible on the down conductor using cable straps.

In a circular magnetic field, the effective field strength depends on the depth of immersion of the sensor in the magnetic field of the current-carrying down conductor.

Circular magnetic field around the sensor  

Circular magnetic field around the sensor

For the calculation, the immersion depth is defined via the radius. As such, the smaller the radius, the greater the field strength. It is therefore advisable to mount the sensor as closely as possible on the down conductor, so that the effective field strength is as great as possible.

H = Field strength [A/m]
r = Radius [cm]
I = Current [A]

Importance of the radius for system calibration

LM-S sensor housing  

The measuring section is located in the front part of the sensor housing.

The radius is the measurement for the immersion depth of the sensor in the magnetic field and for recording the effective magnetic field strength H there. The value corresponds to the distance from the center line of the conductor to the outer edge of the sensor housing.

The radius is determined during installation. This is important for the calibration of the system, as it ensures the same measurement conditions for different system conditions.

PHOENIX CONTACT PTY Ltd

Unit 7, 2-8 South Street
Rydalmere NSW 2116

Fax: 1300 723 399
Customer Service Hotline
1300 786 411

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