Emerson Rosemount 2051 Reference Manual page 2

Safety messages
WARNING
Read this manual before working with the product. For personal and system safety, and for optimum product
performance, ensure you thoroughly understand the contents before installing, using, or maintaining this product.
WARNING
Explosions could result in death or serious injury.
Do not remove the transmitter cover in explosive atmospheres when the circuit is live.
Fully engage both transmitter covers to meet explosion-proof requirements.
Before connecting a handheld communicator in an explosive atmosphere, ensure the instruments in the segment
are installed in accordance with intrinsically safe or non-incendive field wiring practices.
Verify the operating atmosphere of the transmitter is consistent with the appropriate hazardous locations
certifications.
WARNING
Electrical shock could cause death or serious injury.
Avoid contact with the leads and terminals.
WARNING
Process leaks could result in death or serious injury.
Install and tighten all four flange bolts before applying pressure.
Do not attempt to loosen or remove flange bolts while the transmitter is in service.
WARNING
Replacement equipment or spare parts not approved by Emerson for use as spare parts could reduce the pressure
retaining capabilities of the transmitter and may render the instrument dangerous.
Use only bolts supplied or sold by Emerson as spare parts.
WARNING
Physical access
Unauthorized personnel may potentially cause significant damage to and/or misconfiguration of end users'
equipment. This could be intentional or unintentional and needs to be protected against.
Physical security is an important part of any security program and fundamental in protecting your system. Restrict
physical access by unauthorized personnel to protect end users' assets. This is true for all systems used within the
facility.
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