Emerson Rosemount 398R Reference Manual page 3

Essential Instructions
Read this page before proceeding!
Emerson designs, manufactures and tests its products to meet many national and international stan-
dards. Because these sensors are sophisticated technical products, you MUST properly install, use,
and maintain them to ensure they continue to operate within their normal specifications. The
following instructions MUST be adhered to and integrated into your safety program when installing,
using, and maintaining Rosemount products. Failure to follow the proper instructions may cause any
one of the following situations to occur: loss of life; personal injury; property damage; damage to this
sensor; and warranty invalidation.
• Read all instructions prior to installing, operating, and servicing the product.
• If you do not understand any of the instructions, contact your Emerson representative for
clarification.
• Follow all warnings, cautions, and instructions marked on and supplied with the product.
• Inform and educate your personnel in the proper installation, operation, and maintenance
of the product.
• Install your equipment as specified in the Installation Instructions of the appropriate
Reference Manual and per applicable local and national codes. Connect all products to
the proper electrical and pressure sources.
• To ensure proper performance, use qualified personnel to install, operate, update,
program, and maintain the product.
• When replacement parts are required, ensure that qualified people use replacement parts
specified by Emerson. Unauthorized parts and procedures can affect the product's
performance, place the safe operation of your process at risk, and VOID YOUR WARRANTY.
Third-party substitutions may result in fire, electrical hazards, or improper operation.
• Ensure that all equipment doors are closed and protective covers are in place, except when
maintenance is being performed by qualified persons, to prevent electrical shock and
personal injury.
The information contained in this document is subject to change without notice.
DANGER
Hazardous Area InstallationN
This sensor is not Intrinsically Safe. or Explosion Proof. Installations near flammable liquids or in hazardous
area locations must be carefully evaluated by qualified on site safety personnel.
To secure and maintain an intrinsically safe installation, an appropriate transmitter/safety barrier/sensor
combi nation must be used. The installation system must be in accordance with the governing approval
agency (FM, CSA or BASEEFA/CENELEC) hazardous area classification requirements. Consult your trans-
mitter instruc tion manual for details.
Proper installation, operation and servicing of this sensor in a Hazardous Area Instal lation is entirely the
responsibility of the user.
CAUTION
Sensor/Process Application Compatibility
The wetted sensor materials may not be compatible with process composition and operating
conditions. Application compatibility is entirely the responsibility of the user.
WARNING
Retractable sensors must not be inserted nor retracted when process pressures are in excess of 64 psig
(542kPa) for option 21 or 35 psig (343 kPa) for option 25.