Vaisala RS92-D - Manual (Page 42)

User's Guide ______________________________________________________________________
40 __________________________________________________________________ M210987EN-C
inflated balloon. The balloon film is only 0.05 ... 0.1 mm thick
upon launch; the slightest scratch could cause the balloon to burst
prematurely.
10. Keep the doors of the shed shut while inflating the balloon on a
windy day. However, ensure that the shed is properly ventilated.
11. No unauthorized person shall be allowed admittance to the shed
while the hydrogen generator is in operation or balloon inflation is
going on.
12. Ensure that all tools and other implements not essential for balloon
inflation have been removed from the shed.
13. Do not take any electrical devices (cell phone etc.) to the balloon
filling shed or close to the balloon inflated with hydrogen. Safe
distance when outdoors is typically 1.5 meters.
14. Always keep the radiosonde at least 50 cm below the level of the
gas nozzle and the inflated balloon, and at least 1.5 meters away
from the gas cylinder/hydrogen generator, connectors, and tubing.
Avoid taking the radiosonde inside the balloon filling shed, if
possible.
15. Follow all regulations concerning hydrogen safety.
WARNING New operator! Carefully study the instructions for using the hydrogen
generator and for the correct method of inflation.