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CAUTION
SENSOR/PROCESS
APPLICA
TION COMPATIBILITY
The wetted sensor materials may not be com-
patible with process composition and operat-
ing conditions. Application compatibility is
entirely the responsibility of the user.
DANGER
HAZARDOUS AREA INSTALLATION
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 combination must be used. The
installation system must be in accordance with
the governing approval agency (FM, CSA or
BASEEFA/CENELEC) hazardous area classifi-
cation requirements. Consult your analyzer/
transmitter instruction manual for details.
Proper installation, operation and servicing of
this sensor in a Hazardous Area Installation is
entirely the responsibility of the user.
ESSENTIAL INSTRUCTIONS
READ THIS PAGE BEFORE PROCEEDING!
Rosemount Analytical designs, manufactures, and tests its products to meet
many national and international standards. Because these instruments are
sophisticated technical products, you must properly install, use, and main-
tain them to ensure they continue to operate within their normal specifica-
tions. 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; proper-
ty damage; damage to this instrument; and warranty invalidation.
• Read all instructions prior to installing, operating, and servicing the prod-
uct. If this Instruction Manual is not the correct manual, telephone 1-800-
654-7768 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 pro-
cedures can affect the product’s performance and place the safe opera-
tion of your process at risk. Look alike substitutions may result in fire,
electrical hazards, or improper operation.
Emerson Process Management
Liquid Division
2400 Barranca Parkway
Irvine, CA 92606 USA
Tel: (949) 757-8500
Fax: (949) 474-7250
http://www.raihome.com
© Rosemount Analytical Inc. 2006
About This Document
This manual contains instructions for installation and operation of the Models 396, 396VP, 397, 398, and
398VP TUpH pH/ORP Sensors. The following list provides notes concerning all revisions of this document.
Rev
. Level Date Notes
0 3/99 This is the initial release of the product manual. The manual has been reformatted to reflect the
Emerson documentation style and updated to reflect any changes in the product offering.
A 12/01 Revised wiring diagram on page 24.
B 2/02 Added patent info to page 1.
C 6/02 Updated multiple drawings.
D 8/02 Added drawing #40105549, rev. D.
E 10/02 Revised drawing #40039601, rev. J, on page 10.
F 4/03 Revised Model 397 specs on page 2, and revised drawing on page 27.
G 8/03 Added Silcore information.
H 3/04 Added Xmt wiring drawings.
I 10/04 Added 5081 wiring drawing and updated 1055 wiring.
J 2/06 Changed drawing 40039603 rev. C, on page 13. Added a note on page 15.