KROHNE OPTIBAR P 3050 C EN - Manual (Page 30)

6
SERVICE
30
OPTIBAR P 3050 C
www.krohne.com 03/2012 - 4001953401 - MA OPTIBAR P3050C R02 en
Service
6.1 Replacing the pressure sensor, the electronics and the display
Pressure sensor and electronics Pressure sensor and electronics Pressure sensor and electronics Pressure sensor and electronics
When used as intended in normal operation, the pressure transmitter is completely
maintenance-free. For this type of device, the manufacturer makes no provision for repairs,
replacement of electronics or measuring element for the user. To ensure safe operation, the
entire device must be replaced in the event of damage to or failure of the pressure sensor or the
electronics. The replaced device may not be repaired for reasons of safety. Please clearly mark
the device as defective and dispose of it properly.
DANGER!
All work on the electrical connections may only be carried out with the power disconnected. Take
note of the voltage data on the nameplate!
DANGER!
Check whether the ambient air around the pressure transmitter is explosive. Opening the signal
converter in an explosive atmosphere may result in ignition and explosion.
DANGER!
The product may cause the pressure transmitter to become extremely hot. Possible risk of
burning. For this reason, promptly shut off the process or isolate the pressure transmitter
sufficiently from the product prior to starting work and check that it has cooled down to room
temperature.
WARNING!
Observe without fail the local occupational health and safety regulations. Any work done on the
electrical components of the measuring device may only be carried out by properly trained
specialists.
DANGER!
Observe the waiting period for Ex devices.
CAUTION!
Adhere to national disposal regulations. Proper disposal avoids negative consequences for
people and the environment and allows valuable raw materials to be recycled.
.book Page 30 Thursday, March 8, 2012 9:29 AM