10
•
Contamination due to improper sealing
•
Contamination due to impure gases or penetration of liquids
•
Damage to electronic components due by over-voltage or electrostatic discharges, and
corrosion damage due to aggressive environments
•
Functional failure due to incorrect operation or faulty parameterization
•
If the unit has been opened or otherwise tempered with
•
Drift in the calibration
•
EEPROM damage
1.12.
Instructions and Warnings
Read all of the operating instructions thoroughly before installing and commissioning equipment.
Misconceptions and incorrect use can lead to breakage of the measuring device or risk of personal
injury. Should one of these cases occur, the responsibility lies solely with the operator of the
device.The installation, commissioning and operation and maintenance must be done by
appropriately qualified personnel.
1.12.1
Installation
It is recommended that the user check the devices on a regular schedule to ensure that it is leak
free as both metal and elastomer seals, gaskets, o-rings and valve seats may change with age and
exposure to process gas.
1.12.2
Power
If it becomes necessary to remove the instrument from the system or change a battery, the power
to the device must be disconnected. Always switch off the power before you disconnect terminal
connections in potentially dangerous surroundings to avoid sparks.
Important Note
Please note before the start-up:
•
Do not use sealing tape or liquid sealant
•
Piping must be cleaned before installation of instrument
Warning!
Products in this manual may contain metal or elastomer seals, gaskets, o-
rings or valve seats. It is the “user’s” responsibility to select materials that
are compatible with their process and process conditions. Using materials
that are not compatible with the process limitations of the device, may
result in equipment damage and/or personnel injury or death.