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Hot surfaces resulting from hot process media
Risk of burns resulting from surface temperatures above 65 °C (149 °F).
● Take appropriate protective measures, for example contact protection.
● Make sure that protective measures do not cause the maximum permissible ambient
External stresses and loads
Damage to device by severe external stresses and loads (e.g. thermal expansion or pipe
tension). Process media can be released.
● Prevent severe external stresses and loads from acting on the device.
Note
Material compatibility
Siemens can provide you with support concerning selection of sensor components wetted by
process media. However, you are responsible for the selection of components. Siemens
accepts no liability for faults or failures resulting from incompatible materials.
3.1.1
Installation location requirements
Insufficient air supply
The device may overheat if there is an insufficient supply of air.
● Install the device so that there is sufficient air supply in the room.
● Observe the maximum permissible ambient temperature. Refer to the information in the
Aggressive atmospheres
Damage to device through penetration of aggressive vapors.
● Ensure that the device is suitable for the application.
SITRANS P320/P420 (mA/HART)
Compact Operating Instructions, 06/2018, A5E38874562-AA
CAUTION
temperature to be exceeded. Refer to the information in Technical data (Page 55).
CAUTION
WARNING
section Technical data (Page 55).
CAUTION
Installing/mounting
3.1 Basic safety instructions
19
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