Vaisala PTB210 SERIES Manual de instrucciones Pagina 64

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supply, sensors for inside-monitoring and the data logger have been installed inside
the container at appropriate places.
Positioning of the pressure sensors is to be more difficult due to the need of high
precission. As the sensors are mounted inside, pressure sampling has to be at a
windless cavity outside the container. The outside positioning could lead to errors
in measuremnts in case of turbulences effecting some pressurization caused by the
aerator in the cavity. For that reason some test readings were done.
Figure 6.3: Absolute Sensor Difference Indoor and Outdoor
The test readings cover measurements of both sensors, inside and outside the con-
tainer. These readings were compared and their results of absolute sensor difference
are presented in Fig. 6.3.
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