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Alignment specifications
These alignment specifications summarize the alignment accuracy requirements of the
EM 712 system.
Note
The following accuracy requirements are minimum requirements. Higher accuracy will
provide better results and should therefore always be aimed at.
Transducer alignment accuracy
TX array
•
: ± 0.05 m
Position (x)
•
: ± 0.05 m
Position (y)
•
: ± 0.02 m
Position (z)
•
:
Pitch
– TX transducer: ± 0.05 degrees
– RX transducer: ± 0.20 degrees
•
:
Roll
– TX transducer: ± 0.20 degrees
– RX transducer: ± 0.02 degrees
•
: ± 0.10 degrees
Heading
•
Relative heading between RX and TX transducer
•
: ± 0.2 mm
Flatness
– The mounting structure must not deviate from a flat surface more than ± 0.2 mm.
Motion sensor alignment accuracy
•
: ± 0.05 m
Position (x)
•
: ± 0.05 m
Position (y)
•
: ± 0.05 m
Position (z)
•
: ± 0.05 degrees
Pitch
•
: ± 0.02 degrees
Roll
•
: ± 0.10 degrees
Heading
Heading sensor alignment accuracy
•
: ± 0.10 degrees
Heading
451106/B
Technical specifications
: ± 0.05 degrees
149
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