TDAS G5 DAS
User’s Manual
October 2019
9
11000-00010-MAN (Rev. 5)
Thermal Considerations
The TDAS G5 DAS uses extensive power management to minimize heat generation.
Temperature will be affected by four primary factors:
1) Ambient air temperature and airflow,
2) Sunlight exposure,
3) Sensor load, and
4) Length of time armed.
Since the system draws the most power when armed, running the calibrations and
arming as late as possible will minimize self-heating. It is unlikely that the units will be
damaged by excessive heat because power is internally limited by self-resetting thermal
fuses―the units will simply shut down when they get too hot.
Most implementation
scenarios use one of the two available TDAS G5 docking stations, either of which provide
an adequate heat sink under normal operating conditions. If two or more of the above
factors will cause case temperatures in excess of 50°C, the airflow created by a small
fan will increase heat transfer by a factor of 3 to 5. Additionally, always shield the units
from exposure to direct sunlight.
