Safety
SM/FEX300/FEX500/FM/CSA-EN FEX300, FEX500 EN - 5
2 Safety
2.1 Operator liability
The operators must strictly observe the applicable national regulations with regards to
installation, function tests, repairs, and maintenance of electrical devices (e.g., NEC, CEC).
2.2 Technical limit values
Particular attention must be paid to the limit values listed in the sections relating to "ex relevant
specifications":
• The data for the signal inputs and outputs of the transmitter
• The permissible temperature data and limit values
2.3 Safety information for electrical installation
Never attempt electrical connection unless the power supply is switched off.
Ground the flowmeter sensor and transmitter housing. Make sure there is no risk of explosion.
2.4 Symbols and warnings
DANGER – <Serious damage to health / risk to life>
This symbol in conjunction with the signal word "Danger" indicates an imminent danger.
Failure to observe this safety information will result in death or severe injury.
DANGER – <Serious damage to health / risk to life>
This symbol in conjunction with the signal word "Danger" indicates an imminent electrical
hazard. Failure to observe this safety information will result in death or severe injury.
WARNING – <Bodily injury>
This symbol in conjunction with the signal word “Warning“ indicates a possibly dangerous
situation. Failure to observe this safety information may result in death or severe injury.
WARNING – <Bodily injury>
This symbol in conjunction with the signal word "Warning" indicates a potential electrical
hazard. Failure to observe this safety information may result in death or severe injury.
CAUTION – <Minor injury>
This symbol in conjunction with the signal word “Caution“ indicates a possibly dangerous
situation. Failure to observe this safety information may result in minor or moderate injury.
This may also be used for property damage warnings.
NOTICE – <Property damage>!
The symbol indicates a potentially damaging situation.
Failure to observe this safety information may result in damage to or destruction of the product
and/or other system components.
IMPORTANT (NOTE)
This symbol indicates operator tips, particularly useful information, or important information
about the product or its further uses. It does not indicate a dangerous or damaging situation.
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