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CAUTION
SENSOR/PROCESS
APPLICATION COMPATIBILITY
The wetted sensor materials may not be
compatible with process composition
and operating conditions. Application
compatibility is entirely the responsibili-
ty of the user.
DANGER
HAZARDOUS AREA INSTALLATION
Installations near flammable liquids or in haz-
ardous area locations must be carefully evalu-
ated by qualified on site safety personnel. This
sensor is not Intrinsically Safe or Explosion
Proof.
To secure and maintain an intrinsically safe
installation, the certified safety barrier, trans-
mitter, and sensor combination must be
used. The installation system must comply
with the governing approval agency (FM,
CSA or BASEEFA/CENELEC) hazardous
area classification 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 instru-
ments 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 integrat-
ed 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; per-
sonal injury; property 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, oper-
ate, 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.
• Ensure that all equipment doors are closed and protective covers are in
place, except when maintenance is being performed by qualified per-
sons, to prevent electrical shock and personal injury.
Emerson Process Management
Rosemount Analytical Inc.
2400 Barranca Parkway
Irvine, CA 92606 USA
Tel: (949) 757-8500
Fax: (949) 474-7250
http://www.raihome.com
© Rosemount Analytical Inc. 2005
About This Document
This manual contains instructions for installation and operation of the Model 399VP Combination
pH/ORP Sensor. The following list provides notes concerning all revisions of this document.
Rev. Level Date Notes
0 10/00 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 7/02 Added 1055 wiring diagrams.
B 1/05 Update flow cell info on pages 2 & 6.