Safety Notes For Commissioning With Differential Pressure And Flow Rate - Siemens SITRANS P500 Compact Operating Instructions

General explosion protection
WARNING
An explosion hazard exists when the device is repaired or serviced in explosive atmospheres.
Before opening the device, ensure that the surrounding atmosphere is not potentially explosive.
WARNING
So as to ensure the safety of the explosion protection, the device may be repaired only by repair shops authorized by the
manufacturer.
Differential pressure and flow rate

Safety notes for commissioning with differential pressure and flow rate

WARNING
Incorrect or improper operation
If the lock screws are missing or are not sufficiently tight, and/or if the valves are operated incorrectly or improperly, it could
lead to serious physical injuries or considerable damage to property.
Measure
● Take care that the locking screw and/or the vent valve are screwed in and tightened.
● Ensure that the valves are operated correctly and properly.
WARNING
Hot mediums
In the case of hot mediums, the individual operational steps should be carried out one after the other. Otherwise, it could
lead to excessive heating, thus causing damage to the valves and the transmitter.
SITRANS P500 with HART
A5E02307340-02, 09/2010
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