1 About this guide
This guide provides basic guidelines to install the Rosemount 248 Head
Mount Temperature Transmitter. It does not provide instructions for
detailed configuration, diagnostics, maintenance, service, troubleshooting,
or installations. Refer to the Rosemount 248 Temperature Transmitter
Reference Manual for more instruction. The manual and this guide are also
available electronically at Emerson.com/Rosemount.
1.1 Safety messages
WARNING
Explosions
Explosions could result in death or serious injury.
Installation of device in an explosive environment must be in accordance
with appropriate local, national, and international standards, codes, and
practices.
Review the Hazardous Locations Certifications for any restrictions
associated with a safe installation.
Process leaks
Process leaks could result in death or serious injury.
Install and tighten thermowells and sensors before applying pressure.
Do not remove the thermowell while in operation.
Electrical shock
Electrical shock could cause death or serious injury.
Avoid contact with the leads and terminals. High voltage that may be
present on leads can cause electrical shock.
Unless marked, the conduit/cable entries in the housing use a ½–14 NPT
thread form. Entries marked “M20” are M20 × 1.5 thread form. On
devices with multiple conduit entries, all entries will have the same
thread form. Only use plugs, adapters, glands, or conduit with a
compatible thread form when closing these entries.
When installing in a hazardous location, use only appropriately listed or
Ex certified plugs, glands, or adapters in cable/conduit entries.
February 2021 Quick Start Guide
Quick Start Guide 3
To Next Page
Loading...
