Place a copy of this list in clear view in
the balloon filling shed and in the sounding compartment.
|WARNING New operators must
carefully study the instructions for using the hydrogen generator and for the correct method
|WARNING All users must follow these safety rules to avoid injury or damage to the
No smoking or naked flame allowed.
If possible, avoid wearing clothing made of nylon or other synthetic fibers to prevent
a build-up of static charges. Do not wear shoes with rubber soles.
Regularly check that the gas tube fits securely to the gas cylinder or generator nozzle
and to the balloon inflation nozzle.
Take care to prevent a gas leak in the shed when interrupting inflation to replace a
Never use a repaired balloon.
Should a leak develop in the balloon during inflation, do not let gas escape from the
balloon inside the shed if possible. Instead, release the defective balloon without load.
It is not advisable to deflate the balloon, even outside the shed.
Do not touch the balloon with bare hands except when holding it by the neck. Wear soft
Ensure that there are no pointed objects in the shed. Nails, hooks, hinges, padlocks,
etc., are dangerous as they might scratch the inflated balloon. The balloon film is only
0.05 ... 0.1 mm thick upon launch; the slightest scratch could cause the balloon to burst
Keep the doors of the shed shut while inflating the balloon on a windy day. However,
ensure that the shed is properly ventilated.
No unauthorized person shall be allowed admittance to the shed while the hydrogen
generator is in operation or balloon inflation is going on.
Ensure that all tools and other implements not essential for balloon inflation have
been removed from the shed.
Do not take any electrical devices, for example a cellphone, to the balloon filling
shed or close to the balloon inflated with hydrogen. A safe distance when outdoors is
typically 1.5 m.
Always keep the radiosonde at least 50 cm below the level of the gas nozzle and the
inflated balloon, and at least 1.5 m away from the gas cylinder/hydrogen generator,
connectors, and tubing. Avoid taking the radiosonde inside the balloon filling shed, if
Follow all regulations concerning hydrogen safety.