Emerson Rosemount 3900 Quick Start Manual
Ph/orp sensors
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- Page 1 Quick Start Guide 00825-0100-3389, Rev AA May 2023 Rosemount pH/ORP Sensors ™ Models 3900, 3900VP, 396P, 396PVP, 396R, 396RVP, 3300HT, 3300HTVP, 3400HT, 3400HTVP, 3500P, and 3500VP...
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Page 2: Table Of Contents
Quick Start Guide May 2023 Contents Essential instructions........................3 Installation............................ 5 Wiring............................18 Calibration and maintenance....................22 Rosemount pH/ORP sensor(s) product certifications............27 Emerson.com... -
Page 3: Essential Instructions
1 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. - Page 4 NOTICE Sensor/process application compatibility The wetted sensor material may not be compatible with process composition and operating conditions. Application compatibility is entirely the owner's responsibility. Emerson.com...
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Page 5: Installation
2.3 Installing sensors 2.3.1 Installation accessories See the Liquid Analysis Sensor Mounting, Wiring, and Calibration Product Data Sheet for a full list of accessories available from Emerson to enable convenient and reliable sensor installation for your application. Quick Start Guide... - Page 6 Figure 2-1: Sensor orientation Install the sensor tip down within 80 degrees of vertical. 2.3.3 Install insertion style sensors Emerson offers two primary mounting styles for pH/ORP sensors: insertion and retractable. Insertion style sensors have NPT pipe threads that you can connect directly into the process or into a mounting adapter.
- Page 7 Emerson offers two primary mounting style designs for pH/ORP sensors: insertion and retractable. Retractable style sensors have 1-in. (25 mm) outer diameter metal bodies that you must connect to the process using an Emerson provided insertion adapter or a ball valve retraction mounting assembly.
- Page 8 4. While holding the sensor in position, tighten the hex nut of the male connector to firmly secure the sensor in place. NOTICE Over-tightening the hex nut may damage the ferrule. When you tighten the hex nut, the PTFE ferrule inside the compression fitting clamps the sensor tube. Emerson.com...
- Page 9 May 2023 Quick Start Guide Install retractable sensor with ball valve assembly PN 23240-00 Figure 2-5: PN 23240-00 ball valve assembly and PN 23166-00 or PN 23166-01 adapter with Rosemount retractable sensor Dimension in drawing shows millimeters above and inches below. A.
- Page 10 3. Slide the ferrule fitting (PN 23166-00 or 23166-01) onto the sensor from the back of the sensor. 4. With the ferrule fitting on the sensor's body, insert the sensor into the ball valve until it gently touches the closed valve. Emerson.com...
- Page 11 May 2023 Quick Start Guide The electrode tip guard will protect the electrode glass from breakage. 5. Thread the ferrule fitting tightly into the ball valve assembly. NOTICE Do not tighten the hex nut on the ferrule fitting. Tightening the hex nut would not make it possible to insert the sensor through the ball valve.
- Page 12 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. Emerson.com...
- Page 13 May 2023 Quick Start Guide WARNING Leakage from the ferrule fitting 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 fully closed some residual process fluid may leak from the connector's pipe threads.
- Page 14 Dimensions in drawing are in millimeters with inches below. A. Ball valve kit, PN 23765-00 B. Knurl retainer C. Packing adapter D. Ball valve E. 1¼-in. male NPT close nipple F. Housing titanium G. Retraction stop collar H. Electrode housing I. pH electrode Emerson.com...
- Page 15 May 2023 Quick Start Guide Figure 2-8: Exploded view of ball valve assembly kit (PN 23765-00) Ball valve kit (PN 23765-00) includes a 1¼-in. by 1¼-in. nipple, 1¼-in. ball valve, and all packing adapter pieces shown. A. Stop ring with three set screws (PN 33579-00) B.
- Page 16 9. Connect the retainer to the back of the packing adapter (hand tighten only). Retract sensor with ball valve assembly PN 23765-00 Prerequisites Make sure that the system pressure at the valve is below the maximum retraction pressure for the length of the sensor being used before proceeding. Emerson.com...
- Page 17 May 2023 Quick Start Guide WARNING Before removing the sensor, be absolutely certain that the process pressure is reduced to 0 psig (0 barg) and the process temperature is lowered to a safe level. Do not insert or retract retractable sensors when process pressure is above the specified retraction pressure limit for the length of sensor being used.
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Page 18: Wiring
Product Data Sheet. For additional wiring information for your product, including wiring diagrams for sensor and transmitter combinations not shown here and for sensor wiring using a remote junction box and extension cable please refer to Emerson.com/RosemountLiquidAnalysisWiring. Emerson.com... - Page 19 May 2023 Quick Start Guide 3.1 Wiring diagrams for sensors with preamplifier Figure 3-1: Rosemount 396P, 396PVP, 396RVP, 3300HTVP, 3400 HTVP, 3500P, 3500VP, 3900, or 3900VP pH/ORP Sensor with preamplifier to Rosemount 56, 1056, 1057, or 1058 Transmitter wiring Figure 3-2: Rosemount 396P, 396PVP, 396RVP, 3300HTVP, 3400 HTVP, 3500P, 3500VP, 3900, or 3900VP pH/ORP Sensor with preamplifier to Rosemount 1066 Transmitter wiring Quick Start Guide...
- Page 20 Rosemount 5081 Transmitter wiring 3.2 Wiring diagrams for sensors without preamplifier Figure 3-4: Rosemount 396P, 396PVP, 396RVP, 3300HTVP, 3400 HTVP, 3500P, 3500VP, 3900, or 3900VP pH/ORP Sensor without preamplifier to Rosemount 56, 1056, 1057, or 1058 Transmitter wiring Emerson.com...
- Page 21 May 2023 Quick Start Guide Figure 3-5: Rosemount 396P, 396PVP, 396RVP, 3300HTVP, 3400 HTVP, 3500P, 3500VP, 3900, or 3900VP pH/ORP Sensor without preamplifier to Rosemount 1066 Transmitter wiring Figure 3-6: Rosemount 396P, 396PVP, 396RVP, 3300HTVP, 3400 HTVP, 3500P, 3500VP, 3900, or 3900VP pH/ORP Sensor without preamplifier to Rosemount 5081 Transmitter wiring Quick Start Guide...
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Page 22: Calibration And Maintenance
Procedure 1. While obtaining a process solution sample, record the pH value that is shown on the transmitter display. Emerson recommends taking the sample close to the sensor. Emerson.com... - Page 23 Prerequisites Saturated quinhydrone ORP standard solution is available from Emerson (PN R508-8OZ) (460 ± 10 mV). You can also make ORP standard solution by adding a few crystals of quinhydrone to either a pH 4 or pH 7 buffer. Quinhydrone is only slightly soluble; therefore, only a few crystals are required.
- Page 24 Procedure Clean the electrodes. • To remove oil deposits, clean the electrodes with a mild, non- abrasive detergent. • To remove scale deposits, soak the electrodes for one to five minutes in a five percent hydrochloric acid solution. Emerson.com...
- Page 25 4.6 Replace pH/ORP sensor reference junction and recharge sensor electrolyte Emerson has designed certain Rosemount pH/ORP sensor models (3300HT, 3300HTVP, 3400HT, 3400HTVP, 3500P, and 3500VP) to allow the reference junction and reference fill gel solution to be replaced. Replacing the reference junction and recharging the electrolyte may be an alternative to replacing the entire sensor when you observe a high zero offset error during a calibration.
- Page 26 Quick Start Guide May 2023 6. Replace junction cap by turning clockwise. Hand tighten the junction cap only; do not use pliers to tighten the cap. 7. Calibrate the sensor as described in Calibrate a pH sensor with two buffer solutions. Emerson.com...
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Page 27: Rosemount Ph/Orp Sensor(S) Product Certifications
European directive information A copy of the EU Declaration of Conformity can be found at the end of the Quick Start Guide. The most recent revision of the EU Declaration of Conformity can be found at Emerson.com/Rosemount. 5.2 Ordinary location certification... - Page 28 Model 385+-a-b-c Triple junction pH/ORP sensor c. Model 389-a-b-c-d-e. pH/ORP sensor d. Model 389VP-a-b-c. pH/ORP sensor e. Model 396-a-b-c. Submersion/insertion pH sensor f. Model 396VP-a-b. Submersion/insertion pH sensor g. Model 396P-a-b-c-d-e. Submersion/insertion pH/ORP sensor h. Model 396PVP-a-b-c-d. Submersion/insertion pH/ORP sensor Emerson.com...
- Page 29 May 2023 Quick Start Guide i. Model 396R-a-b-c-d-e. Retraction/submersion/insertion pH/ORP sensor j. Model 396RVP-a-b-c-d. Retraction/submersion/insertion pH/ORP sensor k. Model 397-a-b-c-d-e. pH sensor l. Model 398-a-b-c-d-e. pH/ORP sensor m. Model 398VP-a-b-c. pH/ORP sensor n. Model 398R-a-b-c-d-e-f. pH/ORP sensor o. Model 398RVP-a-b-c-d-e-f. pH/ORP sensor p.
- Page 30 –20 °C to +60 °C; Ex ia IIC; T6: Class I, Zone 0, AEx ia IIC; T6 Sensor apparatus: Class I, Division 1, Groups ABCD; Class II, Division 1, Groups EFG; Class III; Class I, Division 2, Groups ABCD; Emerson.com...
- Page 31 May 2023 Quick Start Guide Ex ia IIC; T6; ambient temperature rating –20 °C to +60 °C: (simple apparatus) 5.6 Europe 5.6.1 ATEX/UKEX Intrinsic Safety ATEX Baseefa10ATEX0156X certificate BAS21UKEX0396X UKEX certificate EN IEC 60079-0: 2018 Standards EN 60079-11: 2012 pH/ORP sensors with no preamplifier fitted Markings II 1 G Ex ia IIC T4 Ga (–20 °C to +60 °C) pH sensors with integral smart preamplifier fitted...
- Page 32 Ex ia II C T4 Ga (–20 °C to +60 °C) Markings Special Conditions for Safe Use (X): 1. It is strictly forbidden to rub the plastic shell parts of the product to prevent the risk of static ignition. Emerson.com...
- Page 33 May 2023 Quick Start Guide 2. When the product shell contains light metals, it should be prevented in a zone 0 environment. 5.9 5.9.1 EAC Intrinsic Safety TC RU C-US .MIO62. B.06011 Certificate pH/ORP sensors with no preamplifier fitted Markings Ex ia IIC T4 Ga (–20 °C to +60 °C) pH sensors with integral smart preamplifier fitted Ex ia IIC T4 Ga (–20 °C to +60 °C) ORP sensors with integral standard preamplifier fitted...
- Page 34 Quick Start Guide May 2023 5.10 Declaration of Conformity Emerson.com...
- Page 35 May 2023 Quick Start Guide Quick Start Guide...
- Page 36 2023 Emerson. All rights reserved. Emerson Terms and Conditions of Sale are available upon request. The Emerson logo is a trademark and service mark of Emerson Electric Co. Rosemount is a mark of one of the Emerson family of companies. All other marks are the property of their respective owners.