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Emerson Rosemount 3900 Quick Start Manual
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Emerson Rosemount 3900 Quick Start Manual

General purpose ph/orp sensors
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Quick Start Guide
00825-0100-3900, Rev AA
November 2020
™
Rosemount
3900/3900VP
General Purpose pH/ORP Sensors

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Summary of Contents for Emerson Rosemount 3900

  • Page 1 Quick Start Guide 00825-0100-3900, Rev AA November 2020 ™ Rosemount 3900/3900VP General Purpose pH/ORP Sensors...
  • Page 2 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 ™...
  • Page 3 November 2020 Quick Start Guide 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.

  • Page 4: Table Of Contents

    Quick Start Guide November 2020 Specifications..........................26 Rosemount pH/ORP sensor(s) product certifications..............28 Declaration of Conformity......................35 China RoHS table........................37 Intrinsically safe sensor installation drawing - FM................38 Emerson.com/Rosemount...
  • Page 5 November 2020 Quick Start Guide Install Storage 1. Emerson recommends storing electrodes in their original shipping containers until needed. 2. Do not store at temperatures below 14 °F (-10 °C). 3. Store electrodes with a protective cap containing KCl solution (PN 9210342).
  • Page 6 Quick Start Guide November 2020 Figure 1-1: Sensor Orientation Install sensor within 80 ° of vertical. Figure 1-2: Rosemount 3900/3900VP Sensor Dimensions A. Temperature comp solution ground B. Reference junction C. pH electrode D. ¾-in. male national pipe thread (MNPT) E.
  • Page 7 November 2020 Quick Start Guide Figure 1-3: Mount A. 1½-in. x 1 in. reducing bushing B. 1½-in. pipe tee PN 2002011 Straight flow shown Note Install sensor at least ten degrees above the horizon. Table 1-1: Horizontal Pipe Tee (PN 2002011) Pressure/Temperature Ratings psig (kPa) °F (°C)
  • Page 8 Flow cell is polycarbonate with ¼-in. female national pipe thread (FNPT) fittings. Wetted materials Body and nut: polyester/polycarbonate Fittings: 316 stainless steel Seals: silicone Flow cell ratings Temperature: 32 to 158 °F (0 to 70 °C) Max. pressure: 90 pisg (721 kPa) Emerson.com/Rosemount...
  • Page 9 November 2020 Quick Start Guide Flow rate: 2 to 5 gph (7.6 to 18.9 LPH) Sensor threaded 24091-00: 1-in. national pipe thread (NPT) adapter connection 24091-02: ¾-in. NPT adapter Quick Start Guide...
  • Page 10 J. 1-in. PVC coupling for submersible applications (supplied by others) K. 1-in. PVC or stainless conduit (supplied by others) L. Cable M. Timer supplied by others or use timer feature in Rosemount instrument Note Sensor must be installed at least 10 degrees above the horizon. Emerson.com/Rosemount...
  • Page 11 November 2020 Quick Start Guide The jet spray cleaner eliminates routine, manual sensor maintenance by cleaning the sensor with water or compressed air. Use a solenoid valve to control flow through the cleaner. Note You can alos use the jet spray cleaner with the handrail mounting assembly (PN 11275-01, not shown) or mount it through the conduit as shown in Figure 1-6.
  • Page 12 Quick Start Guide November 2020 Figure 1-7: Low Flow Panel: PN SQP10077-LQD Emerson.com/Rosemount...
  • Page 13 November 2020 Quick Start Guide Table 1-2: Low Flow Panel Specifications Inlet flow 3-80 gph (11.4 - 304 L/hr) Inlet pressure 3 - 65 psig (122-549 kPa) Temperature 32 to 122 °F (0 to 50 °C) The minimum inlet pressure is required to open a check valve, which prevents the flow cell from draining if sample flow is lost.
  • Page 14 For additional wiring information on this product, including sensor combinations not shown here, please refer to Liquid Transmitter Wiring Diagrams. Figure 1-8: Rosemount 3900/3900VP with Preamplifier to Rosemount 56/1056/1057/1066 Transmitter Wiring Table 1-3: Rosemount 3900/3900VP with Preamplifier to Rosemount 56/1056/1057/1066 Transmitter Wiring...
  • Page 15 November 2020 Quick Start Guide Figure 1-9: Rosemount 3900/3900VP with Preamplifier to Rosemount 56/1056/1057/1066 Transmitter, Junction Box without Preamplifier (PN 23550-00) Wiring Table 1-4: Rosemount 3900/3900VP with Preamplifier to Rosemount 56/1056/1057/1066 Transmitter, Junction Box without Preamplifier (PN 23550-00) Wiring Wire color (sensor to...
  • Page 16 Quick Start Guide November 2020 Figure 1-10: Rosemount 3900/3900VP without Preamplifier to Rosemount 56/1056/1057/1066 Transmitter Wiring Table 1-5: Rosemount 3900/3900VP without Preamplifier to Rosemount 56/1056/1057/1066 Transmitter Wiring Wire function Wire color Connects to Inner drain No connection Earth ground Green...
  • Page 17 Quick Start Guide Figure 1-11: Rosemount 3900/3900VP without Preamplifier to Rosemount 56/1056/1057/1066 Transmitter, Junction Box with Preamplifier (PN 23555-00) Wiring Table 1-6: Rosemount 3900/3900VP without Preamplifier to Rosemount 56/1056/1057/1066 Transmitter, Junction Box without Preamplifier (PN 23555-00) Wiring Wire color (sensor to...
  • Page 18 Quick Start Guide November 2020 Figure 1-12: Rosemount 3900/3900VP with Preamplifier to Rosemount 5081 Transmitter Wiring Table 1-7: Rosemount 3900/3900VP with Preamplifier to Rosemount 5081 Transmitter Wiring Wire color Wire function Terminal block number Green Ground White RTD return White/red...
  • Page 19 Figure 1-13: Rosemount 3900/3900VP with Preamplifier to Rosemount 5081 Transmitter, Junction Box without Preamplifier (PN 23550-00) Wiring Table 1-8: Rosemount 3900/3900VP with Preamplifier to Rosemount 5081 Transmitter, Junction Box without Preamplifier (PN 23550-00) Wiring Wire color (sensor to Junction box...
  • Page 20 Quick Start Guide November 2020 Figure 1-14: Rosemount 3900/3900VP without Preamplifier to Rosemount 5081 Transmitter Wiring Table 1-9: Rosemount 3900/3900VP without Preamplifier to Rosemount 5081 Transmitter Wiring Wire color Wire function Terminal block number Inner drain No connection Green Ground...
  • Page 21 Figure 1-15: Rosemount 3900/3900VP without Preamplifier to Rosemount 5081 Transmitter, Junction Box with Preamplifier (PN 23555-00) Wiring Table 1-10: Rosemount 3900/3900VP without Preamplifier to Rosemount 5081 Transmitter, Junction Box with Preamplifier (PN 23555-00) Wiring Wire color (sensor to Junction box...
  • Page 22 59.1 mV/pH. Over time the sensor will age, both in the process and in storage, which will result in reduced slope values. To ensure accurate readings, Emerson recommends that you replace the electrode when the slope value falls below 47 to 49 mV/pH.
  • Page 23 November 2020 Quick Start Guide Maintain pH electrodes Electrodes should respond rapidly. Sluggishness, offsets, and erratic readings are indicators that the electrodes may need cleaning or replacement. 1. To remove oil deposits, clean the electrodes with a mild non-abrasive detergent. 2.
  • Page 24 1. To remove oil deposits, clean the electrode with a mild non-abrasive detergent. 2. To remove scale deposits, soak electrodes for one to five minutes in a 5 percent hydrochloric acid solution. 3. Polish ORP (metallic) electrodes with moistened baking soda. Emerson.com/Rosemount...
  • Page 25 November 2020 Quick Start Guide Accessories Table 3-1: Accessories Part number Description 11275-01 Handrail mounting assembly 12707-00 Jet spray cleaner 2002011 CPVC flow-through tee, 1½-in. national pipe thread (NPT) process connection Mounting adapter, 1½-in. insertion, 1 x ¾-in. 23242-02 23555-00 Junction box, Rosemount 54/5081/1055/Xmt compatible preamplifier Cell, low flow, ¼-in.

  • Page 26: Specifications

    Automatic temperature compensation: 14 to 212 °F (-10 to 100 °C) Conductivity Responds to changes in pH at a minimum conductivity of 0.1 µS/cm when used with the low flow panel (PN SQP10077-LQD). The sample flow rate must be controlled to 2 gph (7.6 L/hr). Emerson.com/Rosemount...
  • Page 27 Use 24281-XX, 2.5 ft. (0.8 m) to 100 ft. (31 m) (see Accessories). NOTICE The Rosemount 3900/3900VP sensor responds to changes in pH at a minimum conductivity of 0.1 µS.cm in deionized water when used with low flow panel (PN SQP10077-LQD). Sample flow rate must be controlled to 7.6 L/hr (2 gph).

  • Page 28: Rosemount Ph/Orp Sensor(S) Product Certifications

    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. Ordinary location certification As standard, the transmitter has been examined and tested to determine...
  • Page 29 November 2020 Quick Start Guide 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. Model 3300HTVP-a-b-c-d. High performance pH and ORP sensor k.
  • Page 30 Class I, Division 1, Groups ABCD; Class II, Division 1, Groups EFG; Class III; Class I, Division 2, Groups ABCD; ambient temperature rating –20 °C to +60 °C; Ex ia IIC; T6: Class I, Zone 0, AEx ia IIC ; T6 Emerson.com/Rosemount...
  • Page 31 November 2020 Quick Start Guide Sensor apparatus with preamplifier: Class I, Division 1, Groups ABCD; Class II, Division 1, Groups EFG; Class III; Class I, Division 2, Groups ABCD; ambient temperature rating –20 °C to +60 °C; Ex ia IIC; T6: Class I, Zone 0, AEx ia IIC ;...
  • Page 32 Ex ia IIC T4 Ga (–20 °C to +80 °C) Ex ia IIC T5 Ga (–20 °C to +40 °C) pH sensors with integral standard preamplifier fitted Ex ia IIC T4 Ga (–20 °C to +80 °C) Ex ia IIC T5 Ga (–20 °C to +40 °C) Emerson.com/Rosemount...
  • Page 33 November 2020 Quick Start Guide Specific Conditions for Safe Use (X): 1. All pH/ORP sensor models with a plastic enclosure or exposed plastic parts may provide an electrostatic ignition hazard and must only be cleaned with a damp cloth to avoid the danger of ignition due to build-up of electrostatic charge.
  • Page 34 Quick Start Guide November 2020 Ex ia IIC T5 Ga (–20 °C to +40 °C) Specific Condition for Safe Use (X): See certificate for special conditions. Emerson.com/Rosemount...

  • Page 35: Declaration Of Conformity

    November 2020 Quick Start Guide Declaration of Conformity Quick Start Guide...
  • Page 36 Quick Start Guide November 2020 Emerson.com/Rosemount...

  • Page 37: China Rohs Table

    November 2020 Quick Start Guide China RoHS table Quick Start Guide...

  • Page 38: Intrinsically Safe Sensor Installation Drawing - Fm

    Quick Start Guide November 2020 Intrinsically safe sensor installation drawing - Emerson.com/Rosemount...
  • Page 39 November 2020 Quick Start Guide Quick Start Guide...
  • Page 40 LinkedIn.com/company/Emerson- Automation-Solutions The Emerson logo is a trademark and service mark of Emerson Electric Co. Rosemount is a Twitter.com/rosemount_news mark of one of the Emerson family of companies. Facebook.com/Rosemount All other marks are the property of their Youtube.com/RosemountMeasurement respective owners.

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Rosemount 3900vp