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Emerson Rosemount 385+ -02 Reference Manual Download Page 9

Description and Specifications

3

Reference Manual

Description and Specifications

00809-0100-3386

February 2019

1.3

Ordering Information

Table 1-3: Rosemount 385+ ordering information

Model

Sensor type

385+

pH/ORP Sensor

Body Configuration

02

Retractable with Sensor Head Junction Box, Preamplifier, and Process Connector 

(1)

03

Insertion/Submersion with Integral Preamplifier and 25 ft. (7.6m) Cable 

(1) (2)

04

Insertion/Submersion for use with Remote Preamplifier and 15 ft. 

(2)

Combination Electrode

10

pH - GPLR Glass

11

High pH Glass

12

Platinum ORP

Typical Model Number:  385+-03-10

1.

Preamplifier is SMART for pH options only. A standard preamplifier is used with ORP sensors.

2.

First time installations require a 1 x 1 inch NPT Process Connector (see accessories).

Summary of Contents for Rosemount 385+ -02

Page 1: ...Rosemount 385 pH ORP Sensors Reference Manual 00809 0100 3386 Rev AA February 2019 ...

Page 2: ...hasgkas ...

Page 3: ...thorized parts and procedures can affect the product s performance place the safe operation of your process at risk and VOID YOUR WARRANTY Third party 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 p...

Page 4: ......

Page 5: ...lutions or Grab Samples 17 3 3 ORP Calibration 17 Section 4 Maintenance 4 1 Maintenance 19 4 2 Sensor Removal 19 4 3 pH Electrode Cleaning 20 4 4 Platinum Electrode Cleaning 20 4 5 Sensor Tube Replacement Code 02 21 Section 5 Diagnostics and Troubleshooting 5 1 Model 54 3081 pH Diagnostics 25 5 2 Troubleshooting 25 5 3 Rosemount 1056 1057 SMART pH Diagnostics 26 Section 6 Accessories 6 1 Accessori...

Page 6: ...Table of Contents Reference Manual February 2019 00809 0100 3386 ii Table of Contents ...

Page 7: ... junction reference cell provides longer life in processes containing sugar ammonia chlorides sulfides or other poisoning ions The Rosemount 385 body is constructed of molded chemically resistant Tefzel in two standard body versions The retraction version is housed in a titanium tube with a plug in style surface mount preamplifier in a weatherproof junction box It is designed for use with a standa...

Page 8: ... to 212 F Wetted Materials Tefzel titanium EPDM 316 SS and Teflon Code 02 Viton glass ceramic and ORP only platinum Weight Shipping Weight Submersion insertion 1 6 lb 2 8 lb 0 7 kg 1 25 kg Retraction 6 lb 11 lb 2 7 kg 5 0 kg Ball Valve 5 lb 10 lb 2 25 kg 4 5 kg Process Connections With ball valve 1 1 2 in Without ball valve 1 in Cable Length Code 02 Requires interconnecting cable P N 9200273 Unpre...

Page 9: ...ction Box Preamplifier and Process Connector 1 03 Insertion Submersion with Integral Preamplifier and 25 ft 7 6m Cable 1 2 04 Insertion Submersion for use with Remote Preamplifier and 15 ft 2 Combination Electrode 10 pH GPLR Glass 11 High pH Glass 12 Platinum ORP Typical Model Number 385 03 10 1 Preamplifier is SMART for pH options only A standard preamplifier is used with ORP sensors 2 First time...

Page 10: ...ntrinsically Safe for use in Class I Zone 0 AEx ia IIC T6 Ta 20 C to 60 C Nonincendive for use in Class I Division 2 Groups A B C and D Temperature Class T6 Ta 20 C to 60 C Suitable for use in Class II and III Division 2 Groups E F and G Temperature Class T6 Ta 20 C to 60 C Hazardous Classified Locations IS I II III 1 ABCDEFG T6 Ta 60 C 1400332 Entity I 0 AEx ia IIC T6 Ta 60 C 1400332 Entity NI I ...

Page 11: ...ave room for stable footing while performing removal or insertion of the sensor The sensor must be mounted within 10 90 degrees of the horizontal with the tip pointed downward thus keeping air bubbles out of the pH sensitive glass bulb Bubbles settled in the glass bulb disrupt the electrical continuity between the pH sensitive glass and the silver silver chloride measuring element If the retractio...

Page 12: ...the compression fitting clamps the sensor tube See Figure 4 2 2 2 2 Submersion Insertion Option Code Option 03 04 Figure 2 3 and Figure 2 4 The Rosemount 385 may be installed through a weldalet or a pipe tee or Y when used with a process connector P N 23166 00 01 For submersion service a process connector P N 23166 00 01 or 9510066 may be used with a water tight 1 in schedule 80 CPVC or PVDF stand...

Page 13: ...Installation 7 Reference Manual Installation 00809 0100 3386 February 2019 Figure 2 1 Typical Mounting Details Retraction Version Figure 2 2 Dimensional Drawing Retraction Version Code 02 ...

Page 14: ...8 Installation Installation Reference Manual February 2019 00809 0100 3386 Figure 2 3 Dimensional Drawing Submersion Insertion Version Code 03 04 Figure 2 4 Submersion Accessory Code 03 04 ...

Page 15: ...Installations 9 Reference Manual Installation 00809 0100 3386 February 2019 Figure 2 5 Submersion Installations Handrail Mounting Assembly P N 11275 01 ...

Page 16: ...to ensure that the connections are made to the proper terminals 2 Use Rosemount custom cable PN 9200273 3 The maximum distance from the sensor to the analyzer is 15 ft without an integral preamplifier 4 Signal cable should be run in a dedicated conduit and should be kept away from AC power lines For additional wiring information on this product including sensor combinations not shown here please r...

Page 17: ...ion 11 Reference Manual Installation 00809 0100 3386 February 2019 Figure 2 7 Rosemount 385 03 Sensor Wiring to Rosemount 5081 Transmitter Figure 2 8 Rosemount 385 04 Sensor Wiring to Rosemount 5081 Transmitter ...

Page 18: ...stallation Reference Manual February 2019 00809 0100 3386 Figure 2 9 Rosemount 385 02 sensor Wiring to Rosemount 1056 56 1057 Transmitters Figure 2 10 Rosemount 385 03 Sensor Wiring to Rosemount 1056 56 1057 Transmitters ...

Page 19: ...ation 13 Reference Manual Installation 00809 0100 3386 February 2019 Figure 2 11 Rosemount 385 04 Sensor Wiring to Rosemount 1056 56 1057 Transmitters Figure 2 12 Wiring Details Submersion Insertion Code 03 04 ...

Page 20: ...ion Reference Manual February 2019 00809 0100 3386 14 Installation Figure 2 13 Wiring Rosemount 385 02 Sensor to Rosemount 1055 11 22 32 through Remote Junction Box Figure 2 14 Wiring Retraction Version Code 02 ...

Page 21: ...Figure 2 15 Wiring Details Remote J Box for Extension Cable Installation 15 Reference Manual Installation 00809 0100 3386 February 2019 ...

Page 22: ...Figure 2 16 Wiring Details Remote J Box with Preamp Installation Reference Manual February 2019 00809 0100 3386 16 Installation ...

Page 23: ...solution 3 3 1 Quinhydrone Solution A commonly used ORP standard solution is a saturated quinhydrone solution This can be made by simply adding a few quinhydrone crystals to either a 4 pH or a 7 pH buffer Quinhydrone is only sightly soluble so only a few crystals will be required The solution will have a yellow color The resulting potentials should be within 20 millivolts of the value shown in Tab...

Page 24: ...y acidic and concentrated solution However if the measuring electrodes are kept clean and in good operating condition consistent repeatable calibrations can be achieved The solution used during the following check is an acid and should be handled with care Follow the directions of the acid manu facturer Wear the proper equip ment Do not let the solution come in contact with skin or clothing If con...

Page 25: ...ouble check that the sensor has been retracted to the retraction 5 The Male Connector Body A may now be completely unthreaded from the reducing coupling and the sensor removed for servicing stop collar Section 4 Maintenance WARNING System pressure may cause the sensor to blow out with great force unless care is taken during removal Make sure the following steps are adhered to Do not remove nut at ...

Page 26: ...improve its response Be sure to follow the CAUTION above and to rinse the sensor s tip thoroughly with tap water If the sensor will not calibrate it must be replaced 4 4 Platinum Electrode Cleaning Remove any film or dirt by wiping the electrodes platinum band with a clean lint free cloth If needed a strong detergent should be used to remove any remaining dirt or film Platinum electrodes can becom...

Page 27: ...EFLON tape not provided to protect them from galling during reinstallation 6 Pass the wires from the new sensor through the process end male connector A Make sure that the beveled edge of the ferrule faces the process end of the sensor Snug the hex nut B to keep it in place Do not tighten down fully on the hex nut at this time 7 Pass the wires from the new sensor through the hex nut D the split fe...

Page 28: ...tor The built in retraction stop collar at the end of the sensor will butt against the shoulder of the male connector 11 Open ball valve and position the sensor at the desired insertion depth and orientation Using a crescent or open end wrench tighten the hex nut B to secure the sensor in place If the sensor is to be stored the rubber boot should be filled with 7 pH buffer solution and replaced on...

Page 29: ...Reference Manual Maintenance 00809 0100 3386 February 2019 Maintenance 23 Figure 4 2 Male Connector Tightening Diagram ...

Page 30: ...24 Maintenance Maintenance Reference Manual February 2019 00809 0100 3386 ...

Page 31: ...ions that would cause an error in the measured pH value Refer to the respective manual for a complete description of the transmitter s fault conditions 5 2 Troubleshooting Table 5 1 below lists the diagnostic messages that indicate a possible sensor problem A more complete description of the problem and a suggested remedy corresponding to each message is also listed Section 5 Diagnostics and Troub...

Page 32: ...art up and calibration of pH ORP are described on page 16 Up to five 5 calibration data sets can be found under DIAG sensorX calibration history see figure 5 2 The calibration data contain slope offset temperature method of calibration page 16 glass impedance reference impedance and time stamp between the calibration figure 5 3 Advanced diagnostic data can be used for preventive maintenance replac...

Page 33: ... factory calibration screen will appear figure 5 4 It contains the serial number of the sensor slope offset temperature offset glass impedance and reference inductance value It s possible to retore the calibration settings to factory default Please refer to corresponding instrument manual for correct procedure Figure 5 4 Factory Calibration Reference Manual Diagnostics and Troubleshooting 00809 01...

Page 34: ...28 Diagnostics and Troubleshooting Diagnostics and Troubleshooting Reference Manual February 2019 00809 0100 3386 ...

Page 35: ... Nylon submersion only 1 in MNPT Code 03 04 9210012 Buffer solution 4 01 pH 16 oz 9210013 Buffer solution 6 86 pH 16 oz 9210014 Buffer solution 9 18 pH 16 oz 12707 00 Jet Spray Cleaner for submersion service 23566 00 Sensor Tube pH Pt 100 Titanium Low Resistance Glass 23566 01 Sensor Tube pH Pt 100 Titanium High pH 23566 02 Sensor Tube ORP Pt 100 Titanium General Purpose 23240 00 Ball Valve Assemb...

Page 36: ...30 Accessories Accessories Reference Manual February 2019 00809 0100 3386 ...

Page 37: ...EU Declaration of Conformity 31 EU Declaration of Conformity Note Please see website for most recent Declaration Reference Manual EU Declaration of Conformity 00809 0100 3386 February 2019 ...

Page 38: ...32 EU Declaration of Conformity EU Declaration of Conformity Reference Manual February 2019 00809 0100 3386 ...

Page 39: ...Reference Manual EU Declaration of Conformity 00809 0100 3386 February 2019 EU Declaration of Conformity 33 ...

Page 40: ...34 China RoHS Table China RoHS Table Reference Manual February 2019 00809 0100 3386 ...

Page 41: ...UI PM ENT CO NNECTED TO THE ASSO CI ATED APPARATUS M UST NO T USE O R GENERATE M O RE THAN 250V RESI STANCE BETW EEN I NTRI NSI CALLY SAFE GRO UND AND EARTH GRO UND M UST BE LESS THAN O R EQ UAL TO 1 O HM ANY FM APPRO VED TRANSM I TTER FO R DI VI SI O N 1 W I TH I NTRI NSI CALLY SAFE O UTPUT PARAM ETERS THI S FM APPRO VED DEVI CE M UST BE I NSTALLED PER I TS I NSTALLATI O N DRAW I NG FM APPROVED E...

Page 42: ...es All other marks are the property of their respective owners The contents of this publication are presented for information purposes only and while effort has been made to ensure their accuracy they are not to be construed as warranties or guarantees express or implied regarding the products or services described herein or their use or applicability All sales are governed by our terms and condit...

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