Endress+Hauser 2-1
2 - SAFETY
Potential Risks Affecting Personnel
This section addresses the appropriate actions to undertake when faced with
hazardous situations during or before service of the analyzer. It is not possible
to list all potential hazards within this document. The user is responsible for
identifying and mitigating any potential hazards present when servicing the
analyzer.
Mitigating risks
Refer to the instructions for each situation listed below to mitigate associated
risks.
Exposure to process gases
1. Shut off the process gas to the analyzer before any service that
would require opening a part of the sample plumbing.
2. Purge the system with nitrogen.
3. Shut off the nitrogen purge before opening any part of the sample
system.
Exposure to toxic gas (H
2
S)
Follow the procedure below if there has been any suspected leak from the
sample system and accumulated SCS enclosure.
1. Purge the SCS enclosure to remove any potentially toxic gas.
2. Tes t th e H
2
S levels of the SCS enclosure using the port from the
safety purge kit to ensure the purge has cleared any toxic gas.
3. If no gas leak is detected, open the SCS enclosure door.
Technicians are expected to follow all safety protocols established
by the customer that are necessary for servicing the analyzer.
This may include, but is not limited to, lockout/tagout procedures,
toxic gas monitoring protocols, PPE requirements, hot work
permits and other precautions that address safety concerns
related to performing service on process equipment located in
hazardous areas.
Follow all safety protocols governing toxic gases and potential
leaks.
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