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SITRANS F Ultrasonic flowmeters FST030 (HART)
Operating Instructions, 08/2017, A5E35971532-AC
13
Safety notes
2
2.1
Preconditions for safe use
This device left the factory in good working condition. In order to maintain this status and to
ensure safe operation of the device, observe these instructions and all the specifications
relevant to safety.
Observe the information and symbols on the device. Do not remove any information or
symbols from the device. Always keep the information and symbols in a completely legible
state.
Symbol Explanation
Consult operating instructions
2.1.1
Improper device modifications
WARNING
Improper device modifications
Risk of explosion in hazardous areas. May cause death or serious injury.
Risk to personnel, system and environment can result from modifications to the device,
particularly in hazardous areas.
•
Only carry out modifications that are described in the instructions for the device. Failure
to observe this requirement cancels the manufacturer's warranty and the product
approvals.
2.2
Laws and directives
Observe the safety rules, provisions and laws applicable in your country during connection,
assembly and operation. These include, for example:
●
National Electrical Code (NEC - NFPA 70) (USA)
●
Canadian Electrical Code (CEC) (Canada)