Gill Instruments Ltd
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WindObserver II Pipe Mount
Page 8
Issue 04
Doc. No. 1390-PS-0009
August 2009
6. INSTALLATION
Do NOT remove the black “rubber” transducer caps. Warranty is void if the
blue security seal is damaged or removed.
All the time the WindObserver II (Pipe Mount) is not in its final location, it
should be protected from damage by keeping it in the original packaging as
long as possible, treating it as a delicate instrument.
If an Intrinsically Safe (IS) device is required, the I.S. WindObserver must be
used - the WindObserver II (Pipe Mount) is NOT an IS device.
6.1. Installation Guidelines
The WindObserver II (Pipe Mount) has been designed to meet and exceed the stringent
standards listed in its specification. Operating in diverse environments all over the world,
WindObserver II (Pipe Mount) requires no calibration or adjustment whatsoever.
As with any sophisticated electronics, good engineering practice should be followed to
ensure correct operation.
Always check the installation to ensure the WindObserver II (Pipe Mount) is not
affected by other equipment operating locally, which may not conform to current
standards, e.g. radio/radar transmitters, boat engines, generators etc.
Guidelines –
Avoid mounting in the plane of any radar scanner – a vertical separation of
at least 2m should be achieved.
Radio transmitting antennas, the following minimum separations (all round)
are suggested
VHF IMM – 1m
MF/HF – 5m
Satcom – 5m (avoid likely lines of sight)
Ensure the product is correctly earthed in accordance with this manual
Use cables recommended by Gill, keeping the length below the maximum allowed
(
See Section 6.3
) Where the cables are cut and re-connected (junction boxes, plugs
and sockets) the cable screen integrity must be maintained, to prevent the EMC
performance being compromised.
Earth loops should not be created – earth the system in accordance with the
installation guidelines. (
See Section 6.4
)
Ensure the power supply operates to the WindObserver II (Pipe Mount)
specification at all times.
Avoid turbulence caused by surrounding structures that will affect the accuracy of the
WindObserver II (Pipe Mount) such as trees, masts and buildings. The World
Meteorological Organisation makes the following recommendation:
The standard exposure of wind instruments over level open terrain is 10m above
the ground. Open terrain is defined as an area where the distance between the
sensor and any obstruction is at least 10 times the height of the obstruction.
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