Safety Information; Prerequisites For Safe Use; Laws And Directives - Siemens SITRANS T Series Operating Instructions Manual

Safety information

2.1

Prerequisites 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
Note
Information for "Optical safety"
Install the device outside hazardous areas. The laser output power is < 15 mW.
The device is approved according to IEC/EN 60079-28 for:
• Zone 0 for gas group IIC
• Zone 20 for dust group IIIC
• Zone M1 for mining
2.1.1

Laws and directives

Observe the test certification, 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)
Further provisions for hazardous area applications are for example:
● IEC 60079-14 (international)
● EN 60079-14 (EC)
SITRANS TO500
Operating Instructions, 04/2017, A5E39322264-AC
Meaning
Observe the operating instructions
LASER CLASS 1
2
9