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Emerson Rosemount 389 Quick Start Manual
Emerson Rosemount 389 Quick Start Manual

Emerson Rosemount 389 Quick Start Manual

Ph/orp sensors
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Quick Start Guide
00825-0200-3389, Rev AA
May 2023
Rosemount
pH/ORP Sensors
Models 389, 389VP, 396, 396VP, 397,
398, 398VP, 398R, 398RVP

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Summary of Contents for Emerson Rosemount 389

  • Page 1 Quick Start Guide 00825-0200-3389, Rev AA May 2023 Rosemount pH/ORP Sensors ™ Models 389, 389VP, 396, 396VP, 397, 398, 398VP, 398R, 398RVP...
  • Page 2: Table Of Contents

    Quick Start Guide May 2023 Contents Essential instructions........................3 Installation............................ 5 Wiring............................18 Calibration and maintenance....................25 Rosemount pH/ORP sensor(s) product certifications............30 Rosemount pH/ORP Sensors...
  • 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 Quick Start Guide May 2023  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.
  • 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 Quick Start Guide May 2023 Install retractable sensor with an insertion adapter Figure 2-4: Insertion adapter (PN 23166-00 or PN 23166-01) with Rosemount retractable sensor A. 1-in. NPT B. Ferrule fitting process connector assembly: PN 23166-00 or PN 23166-01 C. Sensor body Procedure 1.
  • 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 Quick Start Guide May 2023 Figure 2-6: Exploded view ball valve assembly (PN 23240-00) used with process connector (PN 23166-00 or PN 23166-01) A. Kit, 1-in. (25.4 mm) ferrule fitting (PN 23166-00) B. 1.5-in. (38.1 mm) by 1-in. (25.4 mm) reducer (PN 9310104) C.
  • 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 Quick Start Guide May 2023 Retract sensor with ball valve assembly PN 23240-00  WARNING System pressure may cause the sensor to blow out with great force. Take care when removing the sensor. Make sure that the system pressure at the sensor is below the maximum allowed retraction pressure for the length of sensor you are using.
  • 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 Quick Start Guide May 2023 Figure 2-7: Ball valve assembly kit (PN 23765-00) and sensor 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.
  • 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 Quick Start Guide May 2023 3. Slide the packing adapter (including packing rings and packing bushing), stop ring, and retainer onto the sensor from the back in the order shown in Figure 2-8. 4. Slide the stop ring to the desired position on the sensor and tighten the stop ring set screw.
  • 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.
  • Page 18: Wiring

    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. 3.1  Wiring diagrams for Variopol (VP) sensors with...
  • Page 19 May 2023 Quick Start Guide Figure 3-2: Rosemount 389VP, 396VP, or 398RVP pH/ORP Sensor with preamplifier to Rosemount 1066 Transmitter wiring Figure 3-3: Rosemount 389VP, 396VP, or 398RVP pH/ORP Sensor with preamplifier to Rosemount 5081 Transmitter wiring Quick Start Guide...
  • Page 20 Quick Start Guide May 2023 3.2  Wiring diagrams for Variopol (VP) sensors without preamplifier Figure 3-4: Rosemount 389VP, 396VP, 398VP or 398RVP pH/ORP Sensor without preamplifier to Rosemount 56, 1056, 1057, or 1058 Transmitter wiring Figure 3-5: Rosemount 389VP, 396VP, 398VP, or 398RVP pH/ORP Sensor without preamplifier to Rosemount 1066 Transmitter wiring Rosemount pH/ORP Sensors...
  • Page 21 3.3  Wiring diagrams for integral cable sensors with preamplifier Figure 3-7: Rosemount 389 pH/ORP Sensor with preamplifier to Rosemount 56, 1056, 1057, or 1058 Transmitter wiring If there is a shrink sleeve on the gray reference wire, remove it before connecting the wire to the terminal.
  • Page 22 Quick Start Guide May 2023 Figure 3-8: Rosemount 389 pH/ORP Sensor with preamplifier to Rosemount 1066 Transmitter wiring Figure 3-9: Rosemount 389 pH/ORP Sensor with preamplifier to Rosemount 5081 Transmitter wiring If there is a shrink sleeve on the gray reference wire, remove it before connecting the wire to the terminal.
  • Page 23 May 2023 Quick Start Guide Figure 3-10: Rosemount 389, 396, 397, 398, or 398R pH/ORP Sensor without preamplifier to Rosemount 56, 1056, 1057, or 1058 Transmitter wiring Figure 3-11: Rosemount 389, 396, 397, 398, or 398R pH/ORP Sensor without preamplifier to Rosemount 1066 Transmitter wiring...
  • Page 24 Quick Start Guide May 2023 Figure 3-12: Rosemount 389, 396, 397, 398, or 398R pH/ORP Sensor without preamplifier to Rosemount 5081 Transmitter wiring Rosemount pH/ORP Sensors...
  • Page 25: 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. Quick Start Guide...
  • Page 26 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 27 May 2023 Quick Start Guide Table 4-1: ORP of saturated quinhydrone solution (millivolts) pH 4 solution pH 7 solution Temperat 68 (20) 77 (25) 86 (30) 68 (20 ) 77 (25) 86 (30) ure: °F (°C) potential 4. Remove the sensor from the buffer, rinse, and install in the process.
  • Page 28 (3300HT, 3300HTVP, 3400HT, 3400HTVP, 3500P, and 3500VP) to allow the reference junction and reference fill gel solution to be replaced. Emerson has designed the Rosemount 350A pH/ORP Sensor to allow the reference junction and reference fill air solution to be replaced.
  • Page 29 May 2023 Quick Start Guide 5. Replace the junction O-ring and liquid junction by sliding them over the glass electrode. Excess reference gel should flow out. 6. Replace junction cap by turning clockwise. Hand tighten the junction cap only; do not use pliers to tighten the cap.
  • Page 30: 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. 5.2  Ordinary location certification...
  • Page 31 May 2023 Quick Start Guide d. Model 396VP-a-b-c-d. Submersion/insertion pH/ORP sensor e. Model 396P-a-b-c-d-e. Submersion/insertion pH/ORP sensor f. Model 396PVP-a-b-c-d-e. Submersion/insertion pH/ORP sensor g. Model 396RVP-a-b-c-d-e. Retraction/submersion/ insertion pH/ORP sensor h. Model 398RVP-a-b-c-d-e-f. pH/ORP sensor i. Model 3200HP-00. High purity water pH sensor j.
  • Page 32 Quick Start Guide May 2023 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 33 May 2023 Quick Start Guide C22.2 No 0-10, C22.2 No 0.4-M2004, C22.2 No 94-M1991, Standards C22.2 No 142 – M1987, C22.2 No 157-M1992, CAN/CSA E60079-0:07, CAN/CSA E60079-11:02, UL 50-11 Edition, UL 508-17 Edition, UL 913-7 Edition, UL 60079-0: 2005, UL 60079-11: 2002 Preamplifier assembly: Markings Class I, Division 1, Groups ABCD;...
  • Page 34 Quick Start Guide May 2023 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 35 May 2023 Quick Start Guide 5.7  International 5.7.1  IECEx Intrinsic Safety Certificate IECEx BAS 10.0083X IEC 60079-0: 2011, IEC 60079-11: 2011 Standards 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 Ex ia IIC T4 Ga (–20 °C to +80 °C)
  • Page 36 Quick Start Guide May 2023 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 37 May 2023 Quick Start Guide 5.10  Declaration of Conformity Quick Start Guide...
  • Page 38 Quick Start Guide May 2023 Rosemount pH/ORP Sensors...
  • Page 39 May 2023 Quick Start Guide Quick Start Guide...
  • Page 40 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.