PN 51A-54epH/rev J
Model 54e pH/ORP
READ THIS PAGE BEFORE PROCEEDING!
Rosemount Analytical designs, manufactures, and tests its prod-
ucts to meet many national and international standards. Because
these instruments 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
Analytical 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 instrument; and
• Read all instructions prior to installing, operating, and servicing
the product. If this Instruction Manual is not the correct manu-
al, telephone 1-949-757-8500 and the requested manual will
be provided. Save this Instruction Manual for future reference.
• If you do not understand any of the instructions, contact your
Rosemount 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 Instruction 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 Rosemount.
Unauthorized parts and procedures can affect the product’s
performance and place the safe operation of your process at
risk. Look alike substitutions may result in fire, electrical
hazards, or improper operation.
• Ensure that all equipment doors are closed and protective cov-
ers are in place, except when maintenance is being performed
by qualified persons, to prevent electrical shock and personal
RISK OF ELECTRICAL SHOCK
Making cable connections to and servicing this instru-
ment require access to shock hazard level voltages
which can cause death or serious injury, therefore,
disconnect all hazardous voltage before accessing
Relay contacts made to separate power sources
must be disconnected before servicing.
Electrical installation must be in accordance with the
National Electrical Code (ANSI/NFPA-70) and/or
any other applicable national or local codes.
Unused cable conduit entries must be securely
sealed by non-flammable closures to provide enclo-
sure integrity in compliance with personal safety and
environmental protection requirements. Use NEMA
4X or IP65 conduit plugs supplied with the instrument
to maintain the ingress protection rating (IP65).
For safety and proper performance this instrument
must be connected to a properly grounded three-
wire power source.
Proper relay use and configuration is the responsi-
bility of the user. No external connection to the
instrument of more than 60VDC or 43V peak
allowed with the exception of power and relay termi-
nals. Any violation will impair the safety protection
Do not operate this instrument without front cover
secured. Refer installation, operation and servicing
to qualified personnel.
This product is not intended for use in the res-
idential, commercial or light industrial environ-
ment per certification to EN50081-2.
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