Siemens SITRANS P DS III - Page 17

Safety notes
2.3 Use in hazardous areas
SITRANS P DS III
Service Manual, 06/2014, A5E34219855-01
17
WARNING
Risk of explosion due to electrostatic charge
To prevent the build-up of an electrostatic charge in a hazardous area, the key cover must
be closed during operation and the screws tightened.
The key cover may be opened temporarily at any time for the purposes of operating the
pressure transmitter, even during plant operation; the screws should then be tightened
again.