Quick Start Guide
00825-0100-3300, Rev AA
November 2020
Rosemount
™
3300HT/3300HTVP/
3400HT/3400HTVP
PERpH-X High Performance pH/ORP
Sensors
Essential instructions
Read this page before proceeding!
Emerson 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 maintain them to ensure they continue to operate within their normal specifications. You
must adhere to the following instructions and integrate them into your safety program when
installing, using, and maintaining Emerson's 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 instrument, 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 equipment as specified in the installation instructions of the appropriate Quick Start Guide
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 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 people, to prevent electrical shock and personal
injury.
Note
The information contained in this document is subject to change without notice.
WARNING
Pressure and temperature
Before removing the sensor, be absolutely certain that the process pressure is reduced to 0 psig
and the process temperature is lowered to a safe level.
Do not insert or retract retractable sensors when process pressures are in excess of 64 psig (542
kPa) for option 21 or 35 psig (343 kPa) for option 25.
WARNING
Physical access
Unauthorized personnel may potentially cause significant damage to and/or misconfiguration of end
users’ equipment. This could be intentional or unintentional and needs to be protected against.
Physical security is an important part of any security program and fundamental to protecting your
system. Restrict physical access by unauthorized personnel to protect end users’ assets. This is true for
all systems used within the facility.
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2 Emerson.com/Rosemount
CAUTION
Sensor/process application compatibility
The wetted sensor materials may not be compatible with process composition and operating
conditions.
Application compatibility is entirely the operator's responsibility.
Contents
Install........................................................................................................................................... 5
Start up and calibrate................................................................................................................. 25
Maintenance.............................................................................................................................. 27
Rosemount pH/ORP sensor(s) product certifications..................................................................29
Declaration of Conformity..........................................................................................................36
China RoHS tables...................................................................................................................... 38
Intrinsically safe sensor installation drawing - FM........................................................................39
November 2020 Quick Start Guide
Quick Start Guide 3
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4 Emerson.com/Rosemount
1 Install
1.1 Storage
1. Emerson recommends storing electrodes in their original shipping
containers until needed.
2. Do not store at temperatures below 23 °F (-5 °C).
3. Store electrodes with a protective cap containing KCl solution
(PN 9210342).
4. For overnight storage, immerse the sensor in tap water or 4 pH
buffer solution.
5. A pH glass electrode has a limited shelf life of one year.
1.2 Installation
For sensor dimensions, see Figure 1-1 through Figure 1-4.
For sensor orientation and installation, see Figure 1-5 through Figure 1-11.
November 2020 Quick Start Guide
Quick Start Guide 5
Figure 1-1: Rosemount 3300HT Sensor Dimensional Drawing
A. Sensor body
B. 2-in. (50.8 mm) Swagelok
®
fitting process connector assembly PN
23166-00/01
C. 1-in. (25.4 mm) national pipe thread (NPT)
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6 Emerson.com/Rosemount
Figure 1-2: Rosemount 3300HTVP Sensor Dimensional Drawing
A. Cable with Variopol receptacle (female) connector
B. Variopol plug (male) connector
C. Sensor body
D. Retraction stop collar
November 2020 Quick Start Guide
Quick Start Guide 7
Figure 1-3: Rosemount 3400HT and 3400HTVP Sensor Dimensions with
Optional Ball Valve PN 23240-00
A. Dimension (see Table 1-1)
B. Dimension (see Table 1-1)
C. Dimension (see Table 1-1)
D. Cable
E. Cable bushing polypropylene
F. 1-in. by 1-in. (25.4 x 25.4 mm) Swagelok fitting kit (PN 23166-00 or
23166-01) required to connect sensor directly to process or to ball valve
G.
WARNING
Residual pressure and process may remain trapped between ball
valve and male connector.
Maximum pressure at retraction:
Option 21: 64 psig (441.2 kPa)
Option 25: 35 psig (241.3 kPa)
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8 Emerson.com/Rosemount
H. O.D. titanium housing
I. O.D. retraction stop collar
J. Electode housing Ryton
K. pH electrode
L. 1½-in. (38.1 mm) female pipe thread (FPT) ball valve PN 9340065
M. 1½-in. (38.1 mm) male pipe thread (MPT) close nipple
N. 1½-in. x 1-in. (38.1 x 25.4 mm) FPT reducing coupling
O. Ball valve (PN 23240-00) optional
Table 1-1: Rosemount 3400HT and 3400HTVP Sensor Dimensions with
Optional Ball Valve PN 23240-00
Option Dimension A
(in./mm)
Dimension B
(in./mm)
Dimension C
(in./mm)
21 21.6/549 14.0/355 23.1/587
25 36.1/917 28.5/724 37.6/955
November 2020 Quick Start Guide
Quick Start Guide 9
Figure 1-4: Rosemount 3400HT and 3400HTVP Sensor Dimensions with
Optional Ball Valve PN 23765-00
A. Dimension (see Table 1-2)
B. Dimension (see Table 1-2)
C. Housing titanium
D. Retraction stop collar
E. Electrode housing
F. pH electrode
G. 1¼-in. (38.1 mm) MPT close nipple
H. Ball valve
I. Packing adapter
J. Knurl retainer
K. Ball valve kit PN 23765-00
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10 Emerson.com/Rosemount
Table 1-2: Rosemount 3400HT and 3400HTVP Sensor Dimensions with
Optional Ball Valve PN 23765-00
Option A: in./mm B: in./mm
21 21.6/549 12.2/310
25 36.1/917 26.7/678
Rosemount 3300HT and 3300HTVP flow through and insertion
installation
1½-in. (38.1 mm) pipe tee (PN 2002011) with 1-in. (25.4 mm) threaded
connections.
Note
Mount the sensor at least 10 degrees above the horizon.
Figure 1-5: Straight Flow
A. 1½-in. (38.1 mm) pipe tee with 1-in. (25.4 mm) threaded connections:
PN 2002011
November 2020 Quick Start Guide
Quick Start Guide 11
Figure 1-6: Angle Flow
A. 1½-in. (38.1 mm) pipe tee with 1-in. (25.4 mm) threaded connections:
PN 2002011
B. Flow
Figure 1-7: Pipe Y Installation
A. 1½-in. x 1-in. (38.1 x 25.4 mm) reducing bushing
B. 1½-in. (38.1 mm) pipe "Y"
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12 Emerson.com/Rosemount
Figure 1-8: Rosemount 3400HT and 3400HTVP Mounting Details -
Retraction Version
A. Weldalet (1½-in. [38.1 mm] FPT)
B. Electrode housing tip
C. Electrode
D. Flow
E. Pipe "Y"
F. Pipe tee
G. Flow
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Quick Start Guide 13
Figure 1-9: Rosemount 3300 and 3500VP Flow through Installation
A. 1½-in. (38.1 mm) schedule 80 CPVC tee with 1-in. (25.4 mm) female
national pipe thread (FNPT) connections (code 16) straight flow shown
B. Always mount sensor at least 10 degrees above horizontal.
C. 1½-in. (38.1 mm) pipe "Y"
D. 1½-in. x 1-in. (38.1 x 25.4 mm) reducing bushing
E. Flow
F. 1½-in. (38.1 mm) schedule 80 CPVC with view or cleaning port
G. Angle flow shown
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14 Emerson.com/Rosemount
Figure 1-10: Type 4 Junction Box
A. PN 23550-00 for point-to-point wiring used with extension cable. Cable
for pH, oxidation reduction potential (ORP), conductivity, or
amperometric sensors. PN 23555-00 with preamplifier for pH and ORP
sensors only.
B. PN 23820-00 carbon steel with epoxy coating. PN 23820-02 316
stainless steel
C. Flexible conduit is required.
D. 1-in. (25.4 mm) pipe by others
E. 1-in. (25.4 mm) female national pipe thread (FNPT) CPVC union: PN
9320057
F. 1-in. (25.4 mm) male national pipe thread (MNPT) connector
G. Any 1-in. (25.4 mm) threaded sensor
H. 2¾-in. (69.9 mm) O.D.
November 2020 Quick Start Guide
Quick Start Guide 15
Figure 1-11: Submersion Installation: Handrail Mounting Accessory (PN
11275-01)
A. Sensor cable
B. 1½-in. (38.1 mm) PVC pipe schedule 80
C. 1½-in. (38.1 mm) pipe clamp, three places
D. 45-degree sweep ell extension pipe
E. Regularly check to make sure connections are water tight
F. Unistrut 1⅝-in. x 1⅝-in. (41.3 x 41. 3 mm) aluminum
G. 1½-in. (38.1 mm) pipe clamp, two places
H. Can be any convenient dimension
I. Customer handrail, two places
J. Mounting channel aluminum, two places
K. Locking pin with bead chain
Note
Unless otherwise specified.
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16 Emerson.com/Rosemount
1.3 Retraction with kit PN 23240-00
WARNING
System pressure may cause the sensor to blow out with great force.
Take care when removing the sensor.
1.3.1 Retract Rosemount 3400HT/3400HTVP-21 (21-in. [533.4 mm] tube)
WARNING
Be certain the system pressure at the sensor is below 64 psig (542 kPa
[abs]) before retracting the sensor.
Wear a face shield.
Make sure your footing is stable.
Procedure
Push in on the sensor at the top of the junction box and slowly loosen the
hex nut of the process end male connector.
1.3.2 Retract Rosemount 3400HT/3400HTVP-25 (36-in. [914,4 mm]) tube
WARNING
Be certain the system pressure at the sensor is below 64 psig (542 kPa
[abs]) before retracting the sensor.
Wear a face shield.
Make sure your footing is stable.
Procedure
1. Push in the sensor end or the top of the junction box and slowly
loosen the hex nut of the process end male connector.
CAUTION
Do not remove nut at this time.
2. When the hex nut is loose enough, slowly ease the sensor back
completely until it reaches the retraction stop collar.
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Quick Start Guide 17
CAUTION
Failure to withdraw the sensor completely may result in damage to
the sensor when the valve is closed.
3. Close the ball valve slowly.
If there is resistance, the valve may be hitting the sensor. Double
check that the sensor has been retracted to the retraction stop collar.
WARNING
Leakage from the male connector threads may indicate that the
male connector is still under pressure.
Leakage through a partially open ball valve could be hazardous;
however, with the ball valve closed, some residual process fluid may
leak from the connector's pipe threads.
Before removing the sensor from the ball valve, be absolutely certain
that the ball valve is fully closed.
4. Unthread the male body connector completely from the reducing
coupling and remove the sensor for servicing.
Note
If the male connector leaks during insertion or retraction, replace the
O-ring (PN 25394-01) in the male connector.
1.4
Wiring
For additional wiring information on this product, including sensor
combinations not shown here, please refer to Emerson.com/
RosemountLiquidAnalysisWiring.
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18 Emerson.com/Rosemount
Figure 1-12: Rosemount PERpH-X Sensors, Preamplifier in Analyzer
For Rosemount 3300HT, 3300HTVP, 3400HT, and 3400HTVP
Non-preamplifier sensors
Blue cable
Table 1-3: Rosemount PERpH-X Sensors, Preamplifier in Analyzer
Wire color Rosemount 56, 1056,
1057, and 1066 terminal
number
Rosemount 54e and 5081
terminal number
Rosemount
XMT terminal
number
N/A Inner drain (no
connection)
N/A N/A
N/A N/A 1 N/A
Green Connect to instrument
ground or as shown
2 N/A
White Resistance temperature
device (RTD) return
3 1
White/red RTD sense 4 2
Red RTD in 5 3
White/gray Reference shield 6 4
Gray Reference in 7 5
Blue Solution ground 8 6
Clear mV/pH shield 9 7
Orange mV/pH in 10 8
N/A -5 Vdc 11 9
N/A +5 Vdc 12 10
November 2020 Quick Start Guide
Quick Start Guide 19
Figure 1-13: Rosemount PERpH-X Sensors, Preamplifier in Junction Box
For Rosemount 3300HT, 3300HTVP, 3400HT, and 3400HTVP
Non-preamplifier sensors
Blue cable
Extension cable PN 23646-01 or 9200273 shown.
Can also use extension cable PN 9200348; extend color scheme from sensor
or VP8 cable instead of using shown wiring scheme.
Table 1-4: Rosemount PERpH-X Sensors, Preamplifier in Junction Box
Wire
color
Junction
box
terminal
number
Extension
cable
color
Rosemount 56,
1056, 1057, and
1066 terminal
number
Rosemount 54e
and 5081
terminal
number
Rosemount
XMT terminal
number
N/A N/A N/A Inner drain (no
connection)
N/A N/A
N/A 1 N/A N/A 1 N/A
Green 2 Inner drain Connect to
instrument
ground as shown
2 N/A
White 3 White RTD return 3 1
White/red 4 White/red RTD sense 4 2
Red 5 Red RTD in 5 3
White/
gray
6 White/
gray
Reference shield 6 4
Gray 7 Gray Reference in 7 5
Blue 8 Blue Solution ground 8 6
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20 Emerson.com/Rosemount
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