Preparing the radiosonde - RS41-SGM

RS41-SGM User Guide
Document code
M211752EN
Revision
F
Language
English
Product
RS41-SGM
Document type
User guide
CAUTION Do not touch the radiosonde sensors, they are fragile and can be easily contaminated. SLD235227-A-Hazard Warning Label During radiosonde regeneration, the temperature of the sensor boom is about 150 °C for three (3) minutes.
  1. Open the radiosonde package and follow the instructions printed on the foil bag to prepare the radiosonde. The figure below provides an example of the instructions.
  2. Place the radiosonde on the ground check device. Check the markings on the cardboard box and the device for the correct placement of the radiosonde.

    When the radiosonde is prepared outdoors with Ground Check Device MWH322, Vaisala recommends that the radiosonde is prepared in its cardboard package to provide extra protection for the radiosonde sensor. Remove the foil bag before the preparations.

  3. Pull the strap over the radiosonde. The radiosonde is switched on automatically.
    The sounding software automatically detects the radiosonde and begins the sounding preparations.
  4. During the radiosonde pre-flight preparation phase, several steps are carried out. These consist of ground check procedures for sensors, as well as optional features for setting the radiosonde in-flight operation parameters, such as a timer for turning the radiosonde power off after a desired time or altitude.
  5. After the ground check is finished, the sounding software indicates the results with a message. Remove the radiosonde from the ground check device.
  6. If you have prepared the radiosonde in its cardboard box, remove the radiosonde from the box when the ground check is finished.

    Before you launch the radiosonde, you can return to the preparation phase by releasing the strap around the radiosonde. The sounding software automatically returns to the ground check phase.

    If there is any delay in starting the sounding, for example, if you must wait before launching the sounding balloon, you can switch the radiosonde off by pressing the power switch. When you are ready to launch the balloon, switch the radiosonde back on.