Emerson Rosemount 248 Reference Manual page 2

NOTICE
Read this manual before working with the product. For personal and system safety, and for optimum product performance, make
sure to thoroughly understand the contents before installing, using, or maintaining this product.
The United States has two toll-free assistance numbers and one international number.
Customer Central
National Response Center
International
CAUTION
The products described in this document are NOT designed for nuclear-qualified applications.
Using non-nuclear qualified products in applications that require nuclear-qualified hardware or products may cause inaccurate
readings.
For information on Rosemount nuclear-qualified products, contact an Emerson
WARNING
Failure to follow these installation guidelines could result in death or serious injury.
Ensure only qualified personnel perform the installation.
Explosions could result in death or serious injury.
Do not remove the housing covers in explosive atmospheres when the circuit is live.
Before connecting a handheld communicator in an explosive atmosphere, ensure the instruments are installed in
accordance with intrinsically safe or non-incendive field wiring practices.
Verify that the operating atmosphere of the transmitter is consistent with the appropriate hazardous locations
certifications.
All connection head covers must be fully engaged to meet explosion-proof requirements.
Process leaks could result in death or serious injury.
Do not remove the thermowell while in operation.
Install and tighten thermowells and sensors before applying pressure.
Electrical shock could cause death or serious injury.
Use extreme caution when making contact with the leads and terminals.
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 to 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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1 800 999 9307 (7:00 am to 7:00 pm CST)
1 800 654 7768 (24 hours a day) Equipment service needs
1 952 906 8888
™
Sales Representative.