Emerson designs, manufactures, and tests its Rosemount Analytical products to meet many
national and international standards. Because these instruments are sophisticated technical prod-
cts, you must properly install, use, and maintain them to ensure they continue to operate within
u
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 warranty invalidation.
• Read all instructions prior to installing, operating, and servicing the product. If this Instruction
Manual is not the correct manual, telephone 1-800-854-8257 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 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
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 covers are in place, except when
maintenance is being performed by qualified persons, to prevent electrical shock and personal
injury.
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 classification requirements. Consult
your analyzer/transmitter instruc tion manual for details.
Proper installation, operation and servicing of this sensor in a Hazardous Area Installation is entirely the
responsibility of the user.
CAUTION: SENSOR/PROCESS APPLICATION COMPATIBILITY
The wetted sensor materials may notbe compatible with process composition and operating conditions. Application compat ibility is entirely the responsibility of the user.
Essential InstructionsI
About this document
This manual contains instructions for installation and operation of the Model 1066 Smart
Transmitter. The following list provides notes concerning all revisions of this document.
Rev. LevelDateNotes
A 2/01 This is the initial release of the product manual. The manual has
B 7/02 Added 1055 wiring diagrams.
C 10/05Changed PN 9330022 to PN 9320057 on the drawing
D 12/08 Updated to add VP
E 3/12 Update pages 23 and 26
F 1/13 Incorporated SMART Sensor technology
been reformatted to reflect the Emerson documentation style
and updated to reflect any changes in the product offering.
400389VP12, page 5 and Table 5-2, page 17.
IIAbout This Document
89VP Instruction ManualTable of Contents
3
PN 51-389VPJanuary 2013
Contents
Section 1: Description and Specifications
1.1Features and Applications ............................................................................................1
1.2Performance and Physical Specification .......................................................................2
1.3Ordering Information ...................................................................................................3
Section 2: Installation
2.1Unpacking and Inspection............................................................................................5
89VP Instruction ManualSection 1: Description and specifications
3
PN 51-389VPJanuary 2013
Section 1: Description and Specifications
1.1
Features and Applications
389VP triple-junction sensors are now offered with SMART capabilities. SMART option becomes
enabled when use with the 1056, 1057, 1066, 56 instruments and on 6081P wireless transmitter. The
pH-loop capabilities include auto-recognition of the SMART sensor, automatic upload of calibration
data and associated time stamp, historical recording of pH diagnostics (slope, offset, reference impedance, glass impedance). This trending data allows technicians to predict frequency of maintenance
and estimate sensor life for a particular process condition. Additional SMART features include factory
calibration, resetting SMART sensor calibration data with user menus without power cycling, and manufacturing information.
The reference junction aids in the sensor’s resistance to poisoning ions and helps prolong sensor
life. 389VP sensors have a triple junction reference, which protects the reference element from poisoning ions — such as ammonia, chlorine, cyanides, and sulfides — in the process. Both models are
made with an outer ceramic junction constructed in an annular design around the pH/ORPsensitive
membrane.
The AccuGLASS™ pH glass formulations exceed industry standards. The AccuGlass pH glass is a
result of many years of glass research resulting in a formulation which has been found to increase the
life of the sensor. Unlike other pH glasses presently on the market, this glass resists cracking especially
at higher temperatures and reduces sodium ion error commonly found in high pH applications.
Overall, the AccuGlass formulation enhances the sensor performance to measure pH more accurately
and have a longer sensor life than ever before.
A choice of pH glass electrodes is available to best meet various application needs. Two types
are available: hemi bulb and high pH glass. The ACCUGLASS hemi bulb is the standard glass offered
on both models and can be used for most applications. The hemi bulb is also found on the high pH
glass option.
The 389VP is offered with a watertight sensor-tocable connector which eliminates re-wiring and
cable twisting when replacing sensors. The Variopol VP multiple pin connector is an integral part of
each sensor model and uses a mating VP cable. Once the cable is installed and wired to the analyzer,
sensors are easily replaced without replacing the cable and without rewiring the analyzer. Also the
cable can be disconnected from the sensor before removal from the process which eliminates cable
twisting. VP8 cable assembly works both with VP8 and VP6 sensor connector.
The 389VP has a molded Tefzel body with Viton o-rings, making each sensor very robust and
chemically resistant. Complete encapsulation eliminates leakage or high humidity problems traditionally found in other pH/ORP designs. The simplified construction, designed with user convenience in mind does not require electrolyte (KCl) replenishment or any high maintenance troubleshooting procedures.
NEW - SMART preamplifier is the standard option. A preamplifier converts the high impedance
pH signal into a stable, noise-free signal and must be used with all pH sensors. Our preamplifier
method has become the industry standard for pH/ORP measurement reliability.
The 389VP is a combination sensor (pH, reference, and temperature within sensor body) and
measures pH or ORP (Oxidation/Reduction Potential) of aqueous solutions in pipelines, open
Description and Specifications1
ection 1: Description and specifications389VP Instruction Manual
S
January 2013PN 51-389VP
tanks, or ponds. The 389VP is suitable for virtually all applications and is compatible with
Rosemount Analytical and other manufacturers’ instruments.
Installation is easily achieved through the wide variety of mounting configurations. 389VP features
a 1 inch (MNPT) front and rear facing connections for insertion, submersion, or flow-through pH
and ORP applications.
Temperature Range: 0° to 85°C (32° to 185°F) Automatic temperature compensation 0° to 85°C
(32° to 185°F), Temperature compensation is not required for 389 ORP or 389VP ORP when used
with 1060, 1023 or 1181 ORP
Maximum Pressure:
790 kPa [abs] (100 psig) at 65°C (150°F) - see Graph A
Materials of Construction: Tefzel, glass, ceramic and Viton
Process Connections: 1 in. MNPT, 2 places
Cable: must use mating VP cable, PN 24281-00
Weight/Shipping Weight: 0.45 kg/0.9 kg (1 lb/2 lb)
2Description and Specifications
89VP Instruction ManualSection 1: Description and specifications
3
PN 51-389VPJanuary 2013
1.3
Ordering Information
he 389VP pH/ORP Sensor is offered with a Variopol (VP) connector and uses a mating VP cable
T
(purchased separately). A remote preamplifier (j-box or instrument) must be used with this sensor,
unless (-70) preamplifier option is selected. Model 389VP is SMART enable using option (-70).
A Variopol cable is required for all first-time installations. See below for cable selection. VP8
cable assembly works with VP6 and VP8 sensor connector.
50For use with 1181
54For use with 1054A/B, 2081; 54, 54e, 81, 1055, 1056, 3081, 4081, 5081, and Xmt, Code 02 only (Pt 100 TC)
55For use with 1055, 1056, 1057, 1066, 56, 5081, 6081, XMT (-70 option only)
Optional
70SMART preamplifier (available with -55 only)
FIGURE 1. Pressure/Tempeerature Limitations
Description and Specifications3
ection 1: Description and specifications389VP Instruction Manual
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January 2013PN 51-389VP
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4Description and Specifications
389VP Instruction ManualSection 2: Installation
PN 51-389VPJanuary 2013
Section 2: Installation
2.1
2.2
Unpacking and inspection
Inspect the outside of the carton for any damage. If damage is detected, contact the carrier immediately. Inspect the hardware. Make sure all the items in the packing list are present and in good
condition. Notify the factory if any part is missing. If the instrument appears to be in satisfactory
condition, proceed to Section 2.2, Mounting.
NOTE: Save the original packing cartons and materials as most carriers require proof of damage
due to mishandling, etc. Also, if it is necessary to return the instrument to the factory, you must
pack the instrument in the same manner as it was received. Refer to Section 6 for return instructions. If the sensor is to be stored, the vinyl boot should be filled with pH buffer solution and
replaced on sensor tip until ready for use.
CAUTION
Buffer solution in the vinyl boot may cause skin or eye irritation.
WARNING
Glass electrode must be wetted at all times (in storage and in line) to maximize sensor life.
Mounting
The sensor has been designed to be located in industrial process environments. Temperature and
pressure limitations must not be exceeded at any time. A Caution label regarding this matter is
attached to the sensor with the cable. Please do not remove the label. See Figure 2-1.
CAUTION
Internal electrolyte fill may cause skin or eye irritation
Mounting Guidelines:
1. Shake down the sensor to remove any air bubbles that may be present inside the tip of the pH
glass.
2. Do not install the sensor on the horizontal. The sensor must be 10° off the horizontal to ensure
accuracy.
3. Do not install the sensor upside down.
4. With the standard recessed electrode, air bubbles may become trapped in the sensor end. This
problem is most commonly encountered in areas of low flow or during calibration. Shake the
probe while immersed in solution to remove bubbles.
In most cases, the pH sensor can simply be installed as shipped, and readings with an accuracy of
± 0.2 pH may be obtained. To obtain greater accuracy or to verify proper operation, the sensor
must be calibrated as a loop with its compatible analyzer or transmitter.
Installation5
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