Vaisala RS92-D, User Manual

Page: 39 / 46

Chapter 5 _________________________________________________ Failure Report and Warranty
VAISALA _______________________________________________________________________ 37
Storage Conditions
Radiosonde shall be stored indoors in its original unopened vacuum
envelope within the following environmental limits:
- tempe5 °C to +40 °C
- relative humidity below 85 %
Additional storage requirements for Vaisala AUTOSONDE:
- the maximum number of days radiosonde can be loaded in
AUTOSONDE is 14
- relative humidity below 50 %
- temperature +15 °C to +35 °C
Transportation and Handling
Radiosondes shall be transported in the original shipping packaging,
which is designed and built to survive and protect the contents in the
environmental conditions specified in standard IEC 60721-3-2: climatic
conditions of class 2K2, and mechanical conditions of class 2M1 of the
standard are required. Instructions on the packaging for transportation
and handling shall be followed.
Criteria for Radiosonde Failures
Pre-flight failures under warranty:
- Radiosonde fails during the sounding preparation, or ground check
correction exceeds one of the following limits:
P: ± 3 hPa
T: ± 1 °C
U: ± 4 %RH (at 0 % RH)
In-flight failures below altitude of 100 hPa under warranty:
- Radiosonde stops transmitting one or more parameters
- Radiosonde transmits clearly erroneous data
- There is a continuous telemetry link failure exceeding 2 minutes