Emerson Rosemount 6888C Page 18 Instruction Manual Download

Page: 18 / 88

3.4.8

Traditional architecture cable

200 ft (61 m) maximum length

3.4.9

Power consumption of transmitter probe/integral
autocal probe

776 W maximum during warm-up

3.5

Installation specifications - Rosemount 6888 Xi
with Rosemount 6888C Transmitter probe

3.5.1

Electrical power of optional Rosemount 6888 Xi
Electronics

120/240 V ±10%, 50/60 Hz

3.5.2

Power consumption of Rosemount 6888 Xi

10 W maximum

3.5.3

Rosemount 6888 Xi alarm relays

2 provided- 2 amps, 20 Vdc

3.5.4

Rosemount 6888 Xi optional loss of flame contact

Removes heater power

3.5.5

Electrical noise

Meets EN 61326, Class A

3.5.6

Traditional architecture cable

200 ft (61 m) maximum length

3.5.7

Transmitter electrical 4-20 mA power

12 - 42 Vdc (looped-powered from the control room or from the Rosemount 6888 Xi box)

Specifications

Instruction Manual

July 2018

00809-0100-4891

6888C

Summary of Contents for Rosemount 6888C

Page 1: ...Instruction Manual 00809 0100 4891 Rev AA July 2018 Rosemount 6888C In Situ Combustion Oxygen Analyzer For use in Hazardous Areas ...

Page 2: ...he proper electrical and pressure sources To ensure proper performance use qualified personnel to install operate update program and maintain the product Use only factory documented components for repair Tampering and unauthorized substitution and parts can affect product performance and cause unsafe operation of your process NOTICE The Field Communicator must be upgraded to System Software 2 0 wi...

Page 3: ...instructions IMPORTANT SAFETY INSTRUCTIONS FOR THE WIRING AND INSTALLATION OF THIS APPARATUS The following safety instructions apply specifically to all EU member states They should be strictly adhered to in order to ensure compliance with the Low Voltage Directive Non EU states should also comply with the following unless superseded by local or national standards 1 Adequate earth connections shou...

Page 4: ...to the touch 9 Where equipment or covers are marked with the symbol to the right refer to the instruction manual for instructions 10 All graphical symbols used in this product are from one or more of the following standards EN61010 IEC417 and ISO3864 11 Where equipment or labels are marked Do Not Open While Energized or similar there is a danger of ignition in areas where an explosive atmosphere i...

Page 5: ...smitter probe to the single channel safe area Xi and flame safety interlock 28 4 6 Connecting the Transmitter probe with integral autocal to HART communications 32 4 7 Connecting the Transmitter probe with integral autocal to FOUNDATION Fieldbus communications 34 4 8 Connecting the traditional architecture to the direct replacement hazardous area replacement probe no electronics inside 40 4 9 Conn...

Page 6: ...eplacement parts 79 Chapter 10 Service support 81 Appendix A Rosemount 6888 product certifications 83 A 1 European Directive information 83 A 2 Ordinary location certification 83 A 3 Installing equipment in North America 83 A 4 Rosemount 6888A In Situ Oxygen Transmitter for General Purpose Locations 83 A 5 Rosemount 6888C In Situ Oxygen Transmitter for Hazardous Locations 84 Contents Instruction M...

Page 7: ...m configurations 1 2 1 Hazardous Area Transmitter probe only The Rosemount 6888 probe has the electronics in the blue housing that controls the heater temperature and also amplifies the raw O2 millivolt signal to a linear 4 20 mA The 4 20 mA signal lines can be run directly to the control room and also power the transmitter electronics As with most other Rosemount transmitters measuring pressure t...

Page 8: ...i and is actuated via a dry contact input from the user s flame scanner A closed contact indicates a flame is present An open contact indicates a loss of flame This feature is also available with the Integral autocal housing 1 2 4 Hazardous Area Rosemount 6888C probe with Integral Autocal General Purpose Rosemount 6888 Xi Electronics This probe contains gas switching solenoids so that the Rosemoun...

Page 9: ...ignals Maximum length for this cable is 200 feet This probe will also operate on previous Westinghouse Rosemount electronics World Class and Oxymitter as well as many competitive electronics WARNING HAZARDOUS AREAS Cables are supplied with Exd Rated Glands the cable is not ExD rated and installation in a hazardous area is the responsibility of the installer customer Cables must be installed in acc...

Page 10: ...General information Instruction Manual July 2018 00809 0100 4891 10 6888C ...

Page 11: ...ed Electronics option B Quick Start Guide C Optional mounting or adapter plate D Optional traditional architecture cable E HART Field Communicator package optional F Optional reference calibration gas accessories G Rosemount 6888C probe H Optional Rosemount 6888 XI Advanced Electronics Instruction Manual Typical system package 00809 0100 4891 July 2018 Instruction Manual 11 ...

Page 12: ...705 C 1301 F with both ambient and process flame arrestors Housing and electronics 1HT Standard housing transmitter electronics HART communications 2HT Integral autocal transmitter electronics HART communications 4FF Integral autocal transmitter electronics FOUNDATION Fieldbus communications 5DR Standard housing direct replacement requires remote electronics 6DRY Standard housing direct replacemen...

Page 13: ...tion and reference gas flowmeters and reference regulator filter diffuser 02 Calibration reference panel Stoichiometer function 2 0 No 1 Yes Programmable reference function 2 0 No 1 Yes Extended temperature reference function 2 0 No 1 Yes Diffuser warning function 2 0 No 1 Yes 1 Flanges are flat faced and for mounting only Flanges are not pressure rated 2 FOUNDATION Fieldbus only for HART versions...

Page 14: ...Typical system package Instruction Manual July 2018 00809 0100 4891 14 6888C ...

Page 15: ...s than 3 seconds T90 in less than 8 seconds Response to process gas changes varies depending on process gas velocity and particulate loading of the diffuser 3 1 6 Calibration validity Presentation of calibration gases matches the bottle value to within 0 02 O2 3 1 7 Accuracy in reducing conditions requires stoichiometer feature 10 of reading or 0 1 O2 whichever is different size 3 1 8 System respo...

Page 16: ...emperature limit as measured inside probe electronics 40 to 85 C 40 to 185 F 3 2 5 DR probe no electronics inside ambient temperature limits 40 to 90 C 40 to 194 F 3 3 Optional General Purpose 6888 Xi Electronics 3 3 1 Material NEMA 4X polycarbonate material 3 3 2 Rosemount 6888 Xi ambient temperature limits 20 to 50 C 4 to 122 F 3 3 3 Rosemount 6888 Xi temperature limits as measured inside the el...

Page 17: ...3 m package 27 lb 12 2 kg 9 ft 2 74 m package 33 lb 15 0 kg 12 ft 3 66 m package 39 lb 17 7 kg 3 4 3 Reference air optional Maximum 2 scfh 1 L min clean dry instrument quality air 20 95 O2 regulated to 5 psi 34 kPa 3 4 4 Calibration Semi automatic or automatic 3 4 5 Cal gases 0 4 O2 and 8 O2 balance N2 recommended Instrument air may be used as a high cal gas but is not recommended 100 nitrogen can...

Page 18: ...0 240 V 10 50 60 Hz 3 5 2 Power consumption of Rosemount 6888 Xi 10 W maximum 3 5 3 Rosemount 6888 Xi alarm relays 2 provided 2 amps 20 Vdc 3 5 4 Rosemount 6888 Xi optional loss of flame contact Removes heater power 3 5 5 Electrical noise Meets EN 61326 Class A 3 5 6 Traditional architecture cable 200 ft 61 m maximum length 3 5 7 Transmitter electrical 4 20 mA power 12 42 Vdc looped powered from t...

Page 19: ...0 VA max for 44 V probes 3 6 2 Alarm relay outputs 2 provided 2 Amperes 30 Vdc Form C 3 6 3 Optional loss of flame input Internally powered input to remove heater power actuated via dry contact output form proof of flame device Emerson has satisfied all obligations coming from the European legislation to harmonize the product requirements in Europe Instruction Manual Specifications 00809 0100 4891...

Page 20: ...Specifications Instruction Manual July 2018 00809 0100 4891 20 6888C ...

Page 21: ...y or death 4 2 Mounting the Rosemount 6888 Xi General Purpose Advanced Electronics Follow the steps below to mount the Rosemount 6888 Xi The Rosemount 6888 Xi Advanced Electronics is available in a panel mounting or wall pipe mounting configuration Refer to Figure 4 1 or Figure 4 2 for the panel wall or pipe mounting details The Rosemount 6888 Xi is rated for use in general purpose locations only ...

Page 22: ...o remove the protective membranes may cause the display to appear distorted The membrane may be difficult or impossible to remove after extended use at elevated temperatures Install Instruction Manual July 2018 00809 0100 4891 22 6888C ...

Page 23: ...cover screw B Front panel C 6X 1 2 in NPT conduit openings D Mounting bracket E U bolts F 2 in pipe supplied by customer Dimensions are in inches with millimeters in parentheses Instruction Manual Install 00809 0100 4891 July 2018 Instruction Manual 23 ...

Page 24: ... 2 Panel mount A Maximum panel thickness 0 375 9 52 B Panel mount gasket C 4X mounting brackets and screws provided D 6X 1 2 in NPT conduit openings Install Instruction Manual July 2018 00809 0100 4891 24 6888C ...

Page 25: ...ect the main electrical power supply through a circuit breaker min 10 A which will disconnect all current carrying conductors during a fault situation This circuit breaker should also include a mechanically operated isolating switch If not keep another external means of disconnecting the supply from the equipment located close by Circuit breakers or switches must comply with a recognized standard ...

Page 26: ... the I O board Attach the supplied ferrite clamp over the 4 20 mA OUT wires that extend past the shield NOTICE Installation of the ferrite clamp over the 4 20 mA OUT wires is required for compliance with the European EMC directive 4 Terminate the shield of the 4 20 mA signal wires at the designated ground terminal of the Rosemount 6888 Xi Do not allow bare shield wires to contact the circuit board...

Page 27: ...p power settings JP5 Pins 1 2 internal loop power Rosemount 6888 Xi to Rosemount 6888 Transmitter Pins 2 3 external power Rosemount 6888 Xi to Rosemount 6888 Transmitter requires 2 500 resistor across J4 PR to PR JP7 JP8 Pins 1 2 internal power from Rosemount 6888 Xi to DCS Pins 2 3 external power Rosemount 6888 Xi to DCS Instruction Manual Install 00809 0100 4891 July 2018 Instruction Manual 27 ...

Page 28: ...ctor 4 Connect the AC power to the Rosemount 6888C probe to the J2 connector 5 Reinstall connector J1 and J2 to the AC relay board Rosemount 6888C product matrix Compare the configuration matrix below to the model number on the probe tag to confirm the features present in this specific probe Table 4 1 Housing and Electronics 1HT Standard housing transmitter electronics HART communications 2HT Inte...

Page 29: ...Figure 4 4 Single channel with flame safety wiring diagram Instruction Manual Install 00809 0100 4891 July 2018 Instruction Manual 29 ...

Page 30: ...tch settings are factory set and are shown for reference only D IO board 4 20 mA HART loop power settings JP5 Pins 1 2 internal power Rosemount 6888 Xi to Rosemount 6888 transmitter Pins 2 5 external power Rosemount 6888 Xi to Rosemount 6888 transmitter requires 2 500 resistor across J4 PR to PR JP7 JP8 Pins 1 2 internal power to DCS Pins 2 3 external power Rosemount 6888 Xi to DCS Install Instruc...

Page 31: ...nel 2 IO board C Shield ground D Channel 1 IO board E AC input to P S F Plug G Channel 2 alarm relay SPS IMPS H Channel 2 4 20 mA HART output I Channel 1 Alarm relay SPS IMPS J Channel 1 4 20 mA HART output Instruction Manual Install 00809 0100 4891 July 2018 Instruction Manual 31 ...

Page 32: ...ge at 120 240 Vac 10 50 60 Hz No setup is required 3 Connect the 4 20 mA signal wires from the Rosemount 6888 Xi to the connections in the side chamber of the transmitter Do not connect the signal wires to the terminals in the main chamber where the AC input wires are connected Use a shielded twisted wire pair Do not allow bare shield wires to contact the circuit boards Insulate the shield wires p...

Page 33: ...Integral autocal and HART communications A Ferrite clamp B Signal C Test points D 8 pan htd scr internal ground E Power F Test point group Instruction Manual Install 00809 0100 4891 July 2018 Instruction Manual 33 ...

Page 34: ...n manually via external dry contact HART communications or from the Rosemount 6888 Xi local operator interface keypad The integral autocal feature can only be implemented when the probe is used with a Rosemount 6888 Xi 1 Remove the two covers from the transmitter 2 Connect the line L1 wire to the L1 terminal the neutral L2 wire to the L2 N terminal and the ground wire to the ground lug The Rosemou...

Page 35: ...to confirm the features present in this specific probe Table 4 3 Housing and Electronics 1HT Standard housing transmitter electronics HART communications 2HT Integral autocal transmitter electronics HART communications 4FF Integral autocal transmitter electronics Fieldbus communications 5DR Standard housing direct replacement no electronics 6DRY Standard housing direct replacement YEW electronics ...

Page 36: ...r reference only C IO board 4 20 mA HART loop power settings JP5 Pins 1 2 internal power Rosemount 6888 Xi to Rosemount 6888 transmitter Pins 2 5 external power Rosemount 6888 Xi to Rosemount 6888 transmitter requires 2 500 resistor across J4 PR to PR JP7 JP8 Pins 1 2 internal power to DCS Pins 2 3 external power Rosemount 6888 Xi to DCS Rosemount 6888Xi product matrix safe area only Compare the c...

Page 37: ... channel O2 2OXY Single channel O2 with flame safety interlock for heater 3OXY Dual channel O2 4OXY Single channel O2 traditional architecture for 120 V probes Instruction Manual Install 00809 0100 4891 July 2018 Instruction Manual 37 ...

Page 38: ... C HART connection Used as a communication bus from probe transmitter electronics to optional Rosemount 6888 Xi Not accessible to 475 communicator or AMS D 8 pan htr scr internal ground E Power F Probe test point group IO board switch jumpers Jumper settings JP1 Pins 2 3 JP2 Pins 2 3 JP5 Install Instruction Manual July 2018 00809 0100 4891 38 6888C ...

Page 39: ...NOTICE A Except for JP5 JP7 and JP8 on IO board jumper and switch settings are factory set and are shown for reference only B IO board 4 20 mA HART loop power settings JP5 Pins 1 2 internal power Rosemount 6888 Xi to Rosemount 6888 Transmitter Pins 2 3 external power Rosemount 6888 Xi to Rosemount 6888 Transmitter requires 2 500 resistor across J4 PR to PR Instruction Manual Install 00809 0100 489...

Page 40: ...placement hazardous area replacement probe no electronics inside Here there are no electronics inside the probe head so the raw sensor signals for the heater thermocouple and zirconium O2 sensor are sent to a remote Rosemount 6888 Xi Electronics The Rosemount 6888 Xi electronics will also directly apply power to the probe heater in order to maintain the correct sensor temperature This arrangement ...

Page 41: ... housing transmitter electronics HART communications 2HT Integral autocal transmitter electronics HART communications 4FF Integral autocal transmitter electronics Fieldbus communications 5DR Standard housing direct replacement no electronics 6DRY Standard housing direct replacement YEW electronics Model 6888Xi product matrix safe area only Compare the configuration matrix below to the model number...

Page 42: ...ings are factory set and are shown for reference only 4 9 Connecting the traditional architecture cable connections system to the direct replacement probe A traditional architecture configuration is used to provide for remote location of the transmitter electronics All electronics are housed inside the Rosemount 6888Xi A multi conductor power signal cable connnects between the probe and the Rosemo...

Page 43: ...sealing compound to the tapered pipe threads Thread the gland body into the probe housing until properly seated e At the Rosemount 6888 Xi enclosure insert the gland body into the left front cable port from the inside of the enclosure Use the rubber O ring provided to seal the cable port f Ensure the cable shield braid is evenly formed over the gray insert When properly formed the braid should be ...

Page 44: ...strument air reference air 5 psi 34 kPa minimum 8 psi 54 kPa maximum at 2 0 scfh 1 01 L min maximum less than 40 parts per million total hydrocarbons Regulator outlet pressure should be set at 5 psi 34 kPa Reference air can be supplied by the reference air set or the optional Rosemount SPS 4001B or Rosemount IMPS 4000 Reference air is recommended or the reference air fittings can be left open to a...

Page 45: ...ied by customer F Reference gas 1 4 in tube Figure 4 13 Plant Air Schematic Diagram Accessory Housing A Vent B Calibration gas 1 1 4 in tube C Calibration gas 2 1 4 in tube D Reference air flowmeter E 0 25 18 NPT female inlet connection F 0 25 or 6 mm O D tubing supplied by customer G Reference gas 1 4 in tube Instruction Manual Install 00809 0100 4891 July 2018 Instruction Manual 45 ...

Page 46: ...Install Instruction Manual July 2018 00809 0100 4891 46 6888C ...

Page 47: ...ommunications to the transmitter The transmitter probe takes approximately 45 minutes to warm up to the 736 C 1357 F heater setpoint The 4 20 mA signal remains at a default value of 3 5 mA and the O2 reading remains at 0 through this warm up period After warm up the probe begins reading oxygen and the 4 20 mA output is based on the default range of 0 10 O2 If there is an error condition at startup...

Page 48: ... 1357 F heater setpoint The 4 20 mA signal remains at a default value of 3 5 mA and the O2 reading remains at 0 through this warm up period After warm up the probe begins reading oxygen and the 4 20 mA output is based on the default range of 0 10 O2 If there is an error condition at startup an alarm message is displayed on the Rosemount 6888Xi 5 3 Power up the Rosemount 6888 direct replacement pro...

Page 49: ...figuration using the Rosemount IMPS Integral Automatic calibration with the integral autocal probe housing configuration 7 Press Enter to continue NOTICE If SPS IMPS or Integral is selected you must still configure automatic calibration as On Other parameters such as test gas values and gas times should be verified as well Refer to the Rosemount 6888Xi Reference Manual for calibration setup detail...

Page 50: ...se the Up and Down keys to select Factory Defaults Press Enter to continue 6 When prompted use the Up and Down keys to select Yes Press Enter to continue The Rosemount 6888Xi displays several screens while saving the configuration resets itself and then displays the Wizard screen Power up Instruction Manual July 2018 00809 0100 4891 50 6888C ...

Page 51: ...nications to a Field Communicator or AMS console The technician needs to manually switch the gases based upon these prompts Emerson recommends using 0 4 O2 and 8 O2 balance nitrogen as calibration gases Always use a two stage pressure regulator set to 20 psi Set the calibration gas flowmeter for a maximum of 5 scfh with the cal gas fitting removed from the probe Do not use explosive gases or gases...

Page 52: ...hat is periodically checking cell impedance Via push button on the Rosemount 6888 Xi Electronics Via HART communications from a 475 handheld communicator or AMS Via an external contact closure Via time since the last successful calibration NOTICE To manually initiate an automatic calibration select 9999 for CAL INTERVAL in the setup menu If the O2 measurement is being used for automatic control al...

Page 53: ...alibration changed alarm comes up after the calibration is complete Push Diagnostics button on the Rosemount Xi to require an Accept Cal stepso that the technician and operator can decide if they are ready to accept a potentially large change in calibration values 2 Plugged diffuser diagnostic this feature measures the return to process rate after calibration gases are removed and will alarm when ...

Page 54: ...gas 2 Cal gas flow time Purge time Diffuser Defaults Track cal gases Off Off Off 0 4 O 2 8 O 2 300 seconds 300 seconds Plugged diffuser Auto cal advance Rate On Enable autocal Start on cal recommended Cal interval Next cal time No Std housing Yes Autocal housing No 672 hours 1 week Variable 9999 manually initiated autocal Calibration Instruction Manual July 2018 00809 0100 4891 54 6888C ...

Page 55: ...Instruction Manual Calibration 00809 0100 4891 July 2018 Instruction Manual 55 ...

Page 56: ...Calibration Instruction Manual July 2018 00809 0100 4891 56 6888C ...

Page 57: ...7 HART menu trees Figure 7 1 Rosemount 6888 Xi page 1 Instruction Manual HART menu trees 00809 0100 4891 July 2018 Instruction Manual 57 ...

Page 58: ...Figure 7 2 Rosemount 6888 Xi continued HART menu trees Instruction Manual July 2018 00809 0100 4891 58 6888C ...

Page 59: ...Figure 7 3 Rosemount 6888 Xi continued Instruction Manual HART menu trees 00809 0100 4891 July 2018 Instruction Manual 59 ...

Page 60: ...Figure 7 4 Field Communicator HART menu trees Instruction Manual July 2018 00809 0100 4891 60 6888C ...

Page 61: ...Instruction Manual HART menu trees 00809 0100 4891 July 2018 Instruction Manual 61 ...

Page 62: ...HART menu trees Instruction Manual July 2018 00809 0100 4891 62 6888C ...

Page 63: ...rsonnel are notified when doing this and also make sure that the O2 control loop is placed in manual mode If the probe readings vary significantly from the bottle values then conduct a formal calibration The optional Rosemount 6888Xi offers a calibration recommended diagnostic that indicates when the probe needs to be calibrated Combustion processes that have a high level of ash or other particula...

Page 64: ...isconnect the calibration gas and instrument air lines from the transmitter 4 Remove housing cover 5 Remove all signal and power wiring to the probe 6 Remove insulation to access the mounting probe 7 Unbolt the transmitter from the stack and take it to a clean work area 8 Allow the unit to cool to a comfortable working temperature Replace probe Complete the following steps to replace the probe in ...

Page 65: ...isconnect and lock out power before working on any electrical components CAUTION MEASUREMENT ERRORS Failure to resynchronize the calibration parameters with a Rosemount 6888Xi after replacing the transmitter board or recalibrating the instrument may cause an inaccurate O2 measurement When the transmitter board is replaced and the calibration parameters are not synchronized with the Rosemount 6888X...

Page 66: ...e mounting plate The thermal pad F will most likely remain attached to the mounting plate 5 Disconnect the two wire harness connectors from the back of the transmitter board and remove the plastic cover and transmitter board Replacement transmitter boards come in two configurations a Transmitter board with thermal pad and mounting screws b Transmitter board thermal pad plastic cover mounting plate...

Page 67: ...if any become lost or damaged 12 Reconnect the power and signal wires to the transmitter board 13 Reinstall the cover to the transmitter housing 14 Reapply power to the transmitter Prior to using the transmitter for measurement purposes perform one of the following Transmitter without Rosemount 6888Xi Recalibrate the transmitter See Power up on page 47 Transmitter with Rosemount 6888Xi When initia...

Page 68: ...screws b DR terminal board thermal pad plastic cover mounting plate and mounting screws 5 If the mounting pad is being replaced remove the four screws F securing the plate to the housing Install the new mounting plate using four screws Replacement screws are provided if any become lost or damaged 6 Reconnect the two wire harness connectors to the back of the DR terminal board The connectors are di...

Page 69: ...il all other possibilities for poor performance have been considered If heater strut replacement is needed order a replacement heater strut kit Table 9 1 on page 79 Refer to Figure 8 3 on page 70 for item letter references WARNING BURNS Use heat resistant gloves and clothing when removing probe Do not attempt to work on the probe until it has cooled to room temperature The probe can be as hot as 4...

Page 70: ...g care not to damage the strut wire harnesses or O ring I 4 Remove the strut clamp H from inside the finned housing on the probe 5 Remove tube clamps L and Viton tubes K from the CAL and REF gas ports and the CAL and REF gas lines Leave the clamps in place on the hoses for later reassembly 6 Grasp the wire loop and carefully slide the heater strut assembly out of the probe tube 7 When replacing th...

Page 71: ...s into the housing 16 Follow the instructions in Remove and replace probe on page 64 to install the transmitter into the stack or duct 8 3 5 Cell replacement This section covers oxygen sensing cell replacement Do not attempt to replace the cell until all other possibilities for poor performance have been considered If cell replacement is needed order the cell replacement kit Table 9 1 on page 79 T...

Page 72: ...ell needs to be replaced before removing it Figure 8 4 Cell Replacement Kit A ANSI gasket B Wire and pad assembly C Anti seize compound D 22 gauge wire E Closed end connector F Set screws G Teflon tubing H Socket head cap screws I Cell and flange assembly J Corrugated seal K Probe not included in kit L Calibration gas passage Maintenance and service Instruction Manual July 2018 00809 0100 4891 72 ...

Page 73: ...contact pad provided in the cell replacement kit 6 Remove and discard the corrugated seal Clean the mating faces of the probe tube and retainer Remove burrs and raised surfaces with a block of wood and crocus cloth Clean the threads on the retainer and hub 7 Rub a small amount of anti seize compound on both sides of the new corrugated seal 8 Assemble the cell and flange assembly corrugated seal an...

Page 74: ...ng the probe for any purpose Replace if damaged Damage to the diffusion element may become apparent during calibration Compare probe response with previous response A broken diffusion element will cause an inadequate response to calibration gas Hex wrenches needed to remove setscrews and socket head screws in the following procedure are available as part of a probe disassembly kit Table 9 1 on pag...

Page 75: ...to remove the probe from the stack or duct 2 Loosen set screws D using the hex wrench from the probe disassembly kit and remove the vee deflector E Inspect sets crews If damaged replace with stainless sets crews coated with anti seize compound 3 Follow the instructions in Remove and replace probe on page 64 to install the probe into the stack or duct Instruction Manual Maintenance and service 0080...

Page 76: ...ICE Field wiring labels are supplied for each product configuration Ensure the correct label is applied to the inside of the cover that matches your configuration Figure 8 6 Field wiring labels A Label for full transmitter B Label for DR probe C Label for DR YEW probe Maintenance and service Instruction Manual July 2018 00809 0100 4891 76 6888C ...

Page 77: ...l on the inside of the old cover A graphic of each label and its application is shown in Figure 8 6 on page 76 3 Peel off the backing and attach the new label to the inside of the new cover 4 Install the new cover onto the housing Instruction Manual Maintenance and service 00809 0100 4891 July 2018 Instruction Manual 77 ...

Page 78: ...Maintenance and service Instruction Manual July 2018 00809 0100 4891 78 6888C ...

Page 79: ...ffuser with V deflector 6A00453G06 Kit Hastelloy diffuser with dust seal with V deflector 6A00454G01 Kit strut 18 inch 6A00454G02 Kit strut 3 foot 6A00454G03 Kit strut 6 foot 6A00455G01 Kit cell replacement 18 inch standard cell 6A00455G02 Kit cell replacement 3 foot standard cell 6A00455G03 Kit cell replacement 6 foot standard cell 6A00455G11 Kit cell replacement 18 inch acid resistant cell 6A004...

Page 80: ...1A99119G03 Bottle rack 1 Calibration gas bottles cannot be shipped via air freight Replacement parts Instruction Manual July 2018 00809 0100 4891 80 6888C ...

Page 81: ...00 654 RSMT 7768 toll free number This center available 24 hours a day will assist you with any needed information or materials The center will ask for product model and serial numbers and will provide a Return of Material Authorization RMA number The center will also ask for the process material to which the product was last exposed Instruction Manual Service support 00809 0100 4891 July 2018 Ins...

Page 82: ...Service support Instruction Manual July 2018 00809 0100 4891 82 6888C ...

Page 83: ...alling equipment in North America The US National Electrical Code NEC and the Canadian Electrical Code CEC permit the use of Division marked equipment in Zones and Zone marked equipment in Divisions The marking must be suitable for the area classification gas and temperature class This information is clearly defined in the respective codes A 4 Rosemount 6888A In Situ Oxygen Transmitter for General...

Page 84: ...Standard C22 2 No 94 2 15 Harmonized ANSI UL Standard 50 2nd Edition CAN CSA C22 2 No 60529 16 and ANSI ISA 60529 04 CAN CSA Standard C22 2 No 30 M1986 2016 CAN CSA C22 2 No 60079 0 2015 CAN CSA C22 2 No 60079 1 2016 FM 3600 2011 FM 3615 2006 ANSI UL 60079 0 2013 6th Edition ANSI UL 60079 1 2015 7th Edition Markings Type 4X IP66 Class 1 Division 1 Groups B C and D T3 Class 1 Zone 1 AEx db IIB H2 T...

Page 85: ...e ambient temperature range 11 Flameproof joints are not intended to be repaired A 5 2 Europe Model String Option Code A ATEX Certificate Sira 14ATEX1031X Standards EN 60079 0 2012 A11 2013 EN 60079 1 2014 Markings II 2 G Ex db IIB H2 T3 Gb IP66 40 C Ta 70 C Autocal Housing and Probe assembly 40 C Ta 90 C Standard Housing and Probe assembly eq DR Probe Special conditions for safe use X 1 Mounting ...

Page 86: ...t be installed in a safe area 3 Calibration air lines and reference air lines shall not contain pure oxygen or combustible gases other than inert oxygen gas mixture of which oxygen represents no more than that normally present in air 4 The pressure within the enclosure and gas lines shall not be higher than 1 1 times the atmospheric pressure during the normal operations of the equipment 5 Fastener...

Page 87: ...Instruction Manual 00809 0100 4891 July 2018 Instruction Manual 87 ...

Page 88: ...utomation Solutions Emerson FZE Jebel Ali Free Zone Dubai United Arab Emirates P O Box 17033 971 4 811 8100 971 4 886 5465 gas csc emerson com ASIA PACIFIC Emerson Automation Solutions 1 Pandan Crescent Singapore 128461 Singapore 65 777 8211 65 777 0947 gas csc emerson com Linkedin com company Emerson Automation Solutions twitter com rosemount_news Facebook com Rosemount youtube com RosemountMeasu...

Search results

Summary of Contents for Rosemount 6888C

Reviews:

Related manuals for Rosemount 6888C

Brands by name

Popular brands

Emerson Rosemount 6888C, Instruction Manual

Search results

Summary of Contents for Rosemount 6888C

Reviews:

Related manuals for Rosemount 6888C

Brands by name

Popular brands