Gill Instruments Ltd
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WindObserver II Page 48 Issue 18
Doc. No. 1390-PS-0004 January 2009
Integrity Check Chamber (ICC)
The software to perform the Integrity Check (IC) is incorporated in the latest
WindObserverII’s.
The IC is designed to:
1. Identify any gross changes in the head geometry that would affect the
performance.
2. Provide a zero wind environment to confirm the WindObserverII zero calibration.
The ICC has been designed to be used in an indoor still air environment with an ambient
temperature between 17°C and 23°C. When conducting the test it is important that the ICC
is assembled on to the WindObserver II head and not touched or moved during the test.
This test is only valid if undertaken with an ICC purchased from Gill.
Integrity & Zero Wind Check
Zero Wind Check
Configure your PC to run HyperTerminal and assemble the ICC by inserting the reflector
cases and the two halves of the ICC onto the WindObserver II. The ICC must be retained
using the strips provided. Then:
1. Ensure that the WindObserverII is set in factory default mode. For Factory default
settings see section 9.3.
2. Enter Measurement Mode and Record/View data
In still air wind speed measurements should not exceed 0.03m/s. If wind speed exceeds
0.03m/s contact Gill Instruments.
Integrity Check
Ensure the ICC is assembled correctly on the WindObserver II. Using HyperTerminal,
enter Configuration Mode as described in Section 9.
Enter D6.
A typical report as shown below will be displayed.
D6
ALIGMENT LIMITS: U=2424,2524
V=2434,2434
ALIGNMENT U:2474 *PASS*
ALIGNMENT V:2484 *PASS*
D6
If ‘Refer to Manual’ is shown check test temperature conditions are 17 to 23 deg C and
tested under zero wind condition.
If there has been no significant changes to The WindObserver II head configuration then
*PASS* will confirm correct operation.
Alterations to the head geometry can result in a *FAIL* or ‘Insufficient Samples’
message. If this occurs please contact Gill Instruments.
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