Vaisala RS41 Manual do Utilizador descarregar pdf (Página 16)

User's Guide ______________________________________________________________________

14 ___________________________________________________________________M211667EN-A

RS41 Unwinder

The unwinder is specifically designed for use with Radiosonde RS41.

The unwinder is installed to the radiosonde so that it bends the sensor

boom to the correct sounding position, ensuring repeatable results in the

soundings. See Figure 2 on page 16 for an illustration of the unwinder.

The unwinders are shipped in the radiosonde package, packed

separately from the radiosondes. This allows the operator to prepare the

balloon with the unwinder and the stick attached to it at a time that is

most convenient. The unwinder is connected to the radiosonde by

attaching the stick to its place and, while it is being attached, the stick

bends the sensor boom to the sounding position.

Table 3 Unwinder Properties

Material of the string Non-UV treated polypropylene

Tenacity <115 N

Length of the string 30 m

Unwinder weight with stick 24 g

1 2 ... 11 12 13 14 15 16 17 18 19 20 21 ... 43 44

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