User`s guide

Chapter 4 _______________________________________________________________ Maintenance
VAISALA________________________________________________________________________ 19
CHAPTER 4
MAINTENANCE
This chapter provides information on the basic maintenance of the
product.
Storage
The radiosondes must be stored and used properly in accordance with
applicable instructions, the User’s Manual, and specifications issued
by Vaisala.
Proper storage conditions must fulfill the following requirements:
Radiosondes are to be kept in their original packaging (unopened
vacuum envelopes) in a dry, ventilated indoor storage space, and
within the following key environmental limits (ref. IEC 721-3-3 class
3K3):
- Constant temperature, within the range of +5 to +40 °C
- Constant humidity below 85 % RH
Handling
Vaisala radiosondes must be transported in their original shipping
packings. These packings are designed and built to survive and protect
their contents in the environmental conditions described herein with
the terminology and definitions per standard: IEC 60721-3-2,
Transportation of radiosondes requires climatic conditions 2K2 and
mechanical conditions class 2M1 of this standard:
- Transportation in weather protected conditions.