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Land 4500 MKII Premier, Operation And Maintenance Manual

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Land 4500 MKII Premier Operation And Maintenance Manual Download Page 132

Model 4500 Premier Dust and Opacity Monitor

132

Microprocessor Module PCB

(Part Number 702.762)

Reference Detector PCB

(Part Number 702.648)

Measurement Detector PCB

(Part Number 702.645)

Flood LED PCB

(Part Number 702.691)

Source LED PCB

(Part Number 702.688)

Control Panel PCB

(Part Number 704.228)

Signal Processor PCB

(Part Number 702.684)

Summary of Contents for 4500 MKII Premier

Page 1: ...Operation and Maintenance Manual Model 4500 Premier Publication No 770 084 Language English Combustion Environmental Monitoring...

Page 2: ......

Page 3: ...om Web www landinst com USA Land Instruments International Inc 10 Friends Lane Newtown PA 18940 1804 Tel 1 215 504 8000 Fax 1 215 504 0879 E Mail combsales landinstruments net Web www landinstruments...

Page 4: ......

Page 5: ...packing note Return of Damaged Goods IMPORTANT If any item has been damaged in transit this should be reported to the carrier and to the supplier immediately Damage caused in transit is the responsib...

Page 6: ...d emissions exceed the EMC directive The protection provided by both CE and IP classifications to this product may be invalidated if alterations or additions are made to the structural electrical mech...

Page 7: ...Installation Location 15 A3 3 Maintaining the Measurement Pathlength During Installation 16 A3 4 Installing the Mounting Flanges 16 A3 5 Mounting Details 18 A3 6 Using the Flange Alignment Tool 19 A3...

Page 8: ...s of Operation 48 B2 1 Alarm Setup 48 B2 2 Output Setup 50 B2 3 MODBUS Communications 55 B3 Periodic Modes of Operation 64 B3 1 Calibration Check 64 B3 2 Calibration Audit 65 B3 3 Re calibration 67 B3...

Page 9: ...s 97 C4 3 Calibration Screens 98 C4 4 Setup Screens 104 C4 5 Display Screens 118 C4 6 Parameter Screens 120 C5 System Specification 121 C5 1 4500 Premier Dust and Opacity Monitor 121 C6 Testing and Ch...

Page 10: ......

Page 11: ...ic and electro optic components Retro Reflector Containing a corner cube reflector Termination Box For customer terminations Air Purge System A continuous supply of purge air essential to prevent dust...

Page 12: ...D is set the measurement signal will remain at the last recorded reading before calibration until the calibration routine is complete Relay Outputs Located on the key panel of the 4500 Premier are fiv...

Page 13: ...7 Instrument Power Input 8 Input and Output Signals 9 Blower Pressure Switch Trip Output 13 1 2 3 4 5 9 CAUTION DANGER 7 8 10 OPACITY DUST MONITOR CALIBRATE SYSTEM OK SPAN CALIBRATE ZERO CALIBRATE AL...

Page 14: ...connection cables An external power isolator is required 6 Route all signal and power cables 7 Connect the power supply to the Air Blower Unit s 8 Connect the electrical power supply and signal cable...

Page 15: ...a stack updraft 4 The mounting area must have a safe walkway if necessary a sufficiently large and accessible platform should be constructed 5 Measurement errors may result if the Transceiver is subj...

Page 16: ...ng Flanges The Model 4500 Premier is supplied with two mounting flanges specially adapted 3 ANSI with stand offs sleeves used to mount the Transmissometer onto the stack or duct 1 Each flange is 240mm...

Page 17: ...e stack wall 8 If the measuring path is short under 2 m 6 5 ft and easily accessible the flanges can be aligned using a straight piece of tube a Slide the tube through both flanges Ensuring the specif...

Page 18: ...or 18 A3 5 Mounting Details Air Purge Mounting Holes The air purge unit must be fixed to the mounting flange It has three mounting holes to accept the mounting studs from the Standpipe 190 7 50 Front...

Page 19: ...target The flange alignment tool is used as follows 1 Remove the 12 washers from the mounting flanges retain these as they are essential to the correct installation of the instrument 2 Tack weld the...

Page 20: ...d Check the Blower Unit Manual for additional installation requirements 2 The air hose fitted between the air blower unit see the diagram in section A2 and its two connections on the instrument 3 mus...

Page 21: ...f the flange alignment tool was used 4 Place a rubber sealing band over the mounting flanges for the Transceiver and Retro Reflector It cannot be fitted after the instrument is mounted on the flange 5...

Page 22: ...vertical surface 2 Installation must be within 2 0 metres 6 feet of the Transceiver to allow the interconnection cable to reach 3 Mark out the position and secure with four M12 bolts washers Customer...

Page 23: ...must be made for Termination Box Air Blower Unit s Control Room Unit see CRU Instruction Manual 770 043 Additional equipment i e chart recorder etc Signal Connections The following signal cables must...

Page 24: ...YES Customer 3 3 1 5 to 4 0 16 0 2 to 56 0 3 16 to 12 NO Customer 4 4 0 5 to 1 5 16 0 2 to 30 0 2 22 to 16 NO Customer 5 3 1 0 32 0 2 18 NO Customer 6 3 1 5 to 4 0 16 0 2 56 0 3 16 to 12 NO Customer...

Page 25: ...t Loop O P 1 ve 5 screen 6 ve 7 Current Loop O P 2 ve 8 screen 9 ve 10 System OK Fault 11 Common 12 OK 13 Alarm 1 OK 14 Common 15 Alarm Active 16 Alarm 2 OK 17 Common 18 Alarm Active 19 Zero Calibrati...

Page 26: ...2 7 L5 CLOP 2 9 L6 CLOP 2 screen 8 L7 System OK Common 11 L8 System OK OK 12 L9 Span Calibration Common 23 L10 Span Calibration In Progress 24 L11 Zero Calibration Common 20 L12 Zero Calibration In P...

Page 27: ...box The switch is located inside the T Box and is clearly labelled IMPORTANT Where RS 232 is selected as the Modbus communications protocol the existing 120 termination resistor requires disconnecting...

Page 28: ...Model 4500 Premier Dust and Opacity Monitor 28...

Page 29: ...asured by the instrument Error messages and other parameters can also be displayed as explained in a later section The displayed opacity is corrected for Optical Path Length Ratio OPLR sometimes refer...

Page 30: ...re any parameter setup or adjustment can take place Contrast Control Maintenance Key Operation The instrument is unlocked by holding the key down for a period of 3 seconds Once unlocked the red LED wi...

Page 31: ...alibration Constant X Calibration constant B Balance correction G Gain correction factor Q Uncorrected transmission factor Dust Gain Constant relating Optical Density to Dust Density Dust Offset Optic...

Page 32: ...ngth Ratio OPLR See section C1 3 EXIT Opacity 0 0 Parameters OPLR 0 5 So 0 Opacity 0 0 Parameters Opacity 0 0 Faults Check the OPLR is correct and then continue to align the instrument 1 Press and hol...

Page 33: ...t use the and keys to scroll through the Miscellaneous menu until Align is displayed Press the ENTER key and a Signal value is displayed the instrument is now in Align mode In Align mode the normalisa...

Page 34: ...the green spot horizontally adjust the M12 nut 1 on the air purge flange and to move it vertically adjust the M12 nut 2 also on the air purge flange as illustrated above Adjust these nuts until the g...

Page 35: ...should now be possible to adjust the transmissometer until the bright circle of sunlight visible through the Retro Reflector purge unit is centred on the target Close the Retro Reflector again If the...

Page 36: ...lt password is 10 3 Scroll through the menu spine using the and keys until CALIBRATION is displayed then press the ENTER key 4 Scroll through the CALIBRATION menu using the and keys until Cal Setup is...

Page 37: ...heck and then press the ENTER key notice the underlined character has changed Now press the and keys again this time to select the number of minutes added to the hours to wait before performing the fi...

Page 38: ...he and keys until SETUP is displayed then press the ENTER key 3 The word Outputs is now displayed if not use the and keys to scroll through the menu until Outputs is displayed Now press the ENTER key...

Page 39: ...rent option is used for diagnostic purposes and is detailed in section B3 5 6 Press the and keys to select the maximum reading to be allocated to the maximum output and then press the ENTER key notice...

Page 40: ...n is set to OFF the Output 1 signal is continuously output If the Averaging 1 is set to ON the Output 1 signal is averaged over the selected period Press the and keys to select ON to average the outpu...

Page 41: ...12 Once the required averaging time period has been selected and set press the EXIT key to return to the Averaging 1 display 13 To set the averaging option for the second customer output use the and k...

Page 42: ...ER key 2 Scroll through the SETUP menu using the and keys until Alarms is displayed and then press the ENTER key 3 The word Alarm 1 should now be displayed Press the and keys to select between the two...

Page 43: ...to scroll to the AL1 trip or AL2 trip if setting Alarm 2 option and press the ENTER key again notice the underlined character 5 Press the and keys to select the required level at which the alarm is t...

Page 44: ...and a calibration check will be performed automatically 3 Allow three minutes for the calibration check to be completed and then check that the System OK LED is on 4 The Model 4500 Premier is now in...

Page 45: ...stem based on the RS232 or RS485 duplex hardware standards and provides direct access to the Model 4500 Premier system data via the Termination Box It is a standard feature on this model Details are a...

Page 46: ...o options that require setting for correct use of the MODBUS communications protocol 1 Press and hold the maintenance key for a period of 3 seconds until the red LED illuminates 2 Scroll through the m...

Page 47: ...then press the ENTER key notice the underlined character NOTE Should be set to Link not fitted 7 Press the or key to select the required value then press the ENTER key to set the option notice no und...

Page 48: ...lable alarms Alarm 1 and Alarm 2 and then press the ENTER key The alarm type AL1 type is now displayed as Opacity this may vary if previously adjusted Press the ENTER key again notice the underlined c...

Page 49: ...the ENTER key notice no underlined character Now press the and keys again to select the Delay option and press the ENTER key notice the underlined character 7 Using the and keys select the required t...

Page 50: ...maintenance key for a period of 3 seconds until the red LED illuminates 2 Scroll through the menu spine using the and keys until SETUP is displayed then press the ENTER key 3 The word Outputs is now...

Page 51: ...mum output and then press the ENTER key notice no underlined character Now press the and keys again to select the During Cal option and press the ENTER key 7 Using the and keys select TRACK to continu...

Page 52: ...ENTER key again notice the underlined character 10 If the Averaging 1 option is set to OFF the Output 1 signal is continuously output If the Averaging 1 is set to ON the Output 1 signal is averaged o...

Page 53: ...or 53 11 Set the hours h by pressing the and keys and then the ENTER key Set the minutes m and seconds s in a similar way Continue to step 12 Averaging 1 ON 0h 0m 0s Averaging 1 ON 6h 45m 0s Averaging...

Page 54: ...e and keys to select Averaging 2 and then press the ENTER key twice notice the underlined character Repeat steps 9 to 11 above 14 Press the EXIT key twice to return to the menu spine and then press th...

Page 55: ...vailable at www modbus org Before communicating with Model 4500 Premier via the MODBUS interface it is necessary to set the Station No the MODBUS slave address and the Link options to an appropriate v...

Page 56: ...order to change floating point or 32 bit variables which span two registers Registers A MODBUS register holds a 16 bit data value The following table indicates the range of data types that the system...

Page 57: ...Float Calculated dust 0 0 10 000 NO 54 density 55 Average Optical Float Average optical density 0 0 3 00 NO 56 Density during gravimetric test 65 Cal Check OPz Float Cal check zero opacity 0 00 0 20...

Page 58: ...YES 137 OP2 Span Dust 16 bit CLOP 2 range 0 4000 YES dust density 138 OP2 Average Float CLOP 2 average value Dependent on YES 139 units of output see registers 49 to 53 145 OP1 Bits 16 bit CLOP 2 outp...

Page 59: ...rt MOTOR JAMMED 0x0010000 Either motor failed to park MEASURE LED FAIL 0x0020000 Rm R0 200 FLOOD LED FAIL 0x0040000 Rf R0 200 ADC OVERRANGE 0x0080000 Any MAX ADC signal 279040 ADC FAULT 0x0100000 10 b...

Page 60: ...AUDIT 15 IN RECAL 16 WAITING CLOP 1 Output Units Register 126 0 OPTICAL DENSITY 1 OPACITY 2 DUST DENSITY 3 CONSTANT OUTPUT 4 CAL DRIFT 5 PLCF CLOP 2 Output Units Register 149 As above Output Relays R...

Page 61: ...a 3 Lo xx CRC Hi xx CRC Lo xx Calibration Phases Register 168 Three bits in this register are defined all other bits are zero If one bit is true then the others are false Bit 0 Zero Phase True during...

Page 62: ...CRC Hi xx CRC Lo xx CRC Lo xx 10 Hex Preset Multiple Registers Query Response Slave Address 11 Slave Address 11 Function 10 Function 10 Register Address Hi 00 Register Address Hi 00 Register Address...

Page 63: ...MODBUS exception codes Code Exception Description 01 ILLEGAL FUNCTION The instrument only responds to codes 03 06 and 10 Hex Any other function request will result in the return of this error 02 ILLE...

Page 64: ...rst step a zero point reflector 10 mounted within the air purge of the Transceiver is placed into the optical axis In the second step the span filter 9 is also placed in the light path The monitor rea...

Page 65: ...ion Audit Method 1 Modbus disabled 1 Press and hold the Maintenance key unit the red LED illuminates about 5 seconds 2 Enter the password using the and keys then press the ENTER key The default passwo...

Page 66: ...e EXIT key for 5 seconds 2 The zero reflector is driven into its working position The displayed value should be 0 00 0 010 Note that this is fractional Opacity i e 100 is shown as 1 00 3 Open the tran...

Page 67: ...he Transceiver and Retro Reflector is clear of any obstruction 6 When the measurement path is clear press the ENTER key again The display will show Settling while the clear path measurement is in prog...

Page 68: ...Gain is found by comparing with the measured Optical Density Dust Density found by an isokinetically sampled dust measurement The Model 4500 Premier is designed to be easily calibrated relative to an...

Page 69: ...he average optical density value measured during the isokinetic sampling period This value is stored in the memory of the Model 4500 Premier until another isokinetic sampling sequence begins 7 Press a...

Page 70: ...inetic Cal Acquire function 3 The display will show Start Isokinetic 4 Press ENTER key at the same time as the isokinetic sampling period is started 5 The display will now show End Isokinetic 6 Press...

Page 71: ...the Dust Gain value for your application 1 2 3 200 150 100 50 0 0 05 0 10 0 15 0 20 0 00 0 125 4500 Premier Optical Dust Value Graph of Isokinetic Dust Measurement v 4500 Premier Optical Density Valu...

Page 72: ...e following M203 Clear Stack Simulator Spare Apertures for M203 Simulator Spare Apertures for Dust Span Filter Spare Apertures for Dust Zero Reflector Allen Keys M203 Clear Stack Simulator System Spar...

Page 73: ...03 is only used with the instrument it has been calibrated with Please ensure the plant installation location i e Stack 1 is written on the carry case label before placing the clear sticky label Provi...

Page 74: ...r path see Re calibration 2 On the Transceiver undo the two quick release clamps and swing the unit open 3 Remove the 5 crimp connectors from below the Automatic Zero Point Assembly Make a note of the...

Page 75: ...heck that the serial number of the instrument corresponds to the number marked on the Simulator 6 Offer up the Simulator and tighten the two 5mm Allen bolts as shown below M203 Clear Stack Simulator M...

Page 76: ...Automatic Zero Point Assembly and tighten the 2 socket head screws 10 Attach the 5 crimp connectors in the same orientation as previously noted 11 The instrument is now ready to perform 100 point cal...

Page 77: ...set to the correct flange to flange path length The M203 Clear Stack Simulator should be re calibrated following a genuine re calibration of the instrument only recommended every three years If in any...

Page 78: ...nge the aperture and grating that cover the reflective surface Select an aperture plate and grating using the table in Appendix A 1 Identify the B value corresponding to the aperture plate and grating...

Page 79: ...rews and remove the Simulator Store the Simulator in the carry case provided until required for Re calibration 10 Offer up the Automatic Zero Point Assembly and tighten the 2 socket head screws 11 Att...

Page 80: ...ROTATE the zero point reflector by hand The precision gearbox will be irreparably damaged See section B3 1 for identification 1 Remove the instrument from the stack and set up on test stands positione...

Page 81: ...l use If the B value is not within the range 0 95 to 1 05 then it will be necessary to change the aperture and grating as described below If the B value is less than 0 95 use the Aperture Plate below...

Page 82: ...ee section B3 1 for identification Removing the Zero Point Reflector 1 2 2 3 Zero Point Reflector Key 1 Zero Point Reflector 2 two M3 socket head screws 3 Automatic Zero Point Assembly 1 Undo the two...

Page 83: ...socket head screws 5 using a 2 5mm hexagonal Allen key and remove the Reflector Plate Aperture Plate and Grating 2 Identify the selected Aperture Plate and Grating as shown above 3 Set the Aperture an...

Page 84: ...he set provided follow the procedure outlined below Removing the Span Filter 1 Ensure that the power to the instrument is switched off 2 Undo the two quick release clamps on the Transceiver and swing...

Page 85: ...ro Board from the Main P C B 8 Remove the Micro Processor Board CAUTION Do not attempt to ROTATE the span filter by hand The precision gearbox will be irreparably damaged See section B3 1 for identifi...

Page 86: ...ocket head screws 1 Undo the three M3 socket head screws 3 using a 2 5 mm socket key Allen Key and remove the old grating 2 Locate the new grating see the Span Filter Gratings table in Appendix A 3 Re...

Page 87: ...of emissions measurement the opacity of the smoke leaving a stack was measured by the Ringelmann method in which a trained observer makes a visual estimate of its appearance Modern methods for opacity...

Page 88: ...out of the medium see 3 below a Attenuation Coefficient c Concentration of Pollutant L Distance light beam travels through the medium see 2 below 1 2 3 Since opacity Op 1 the above equation becomes 1...

Page 89: ...rrected in our system The Pathlength Correction Factor PLCF is only relevant for Opacity measurements It is the ratio between the diameter of the stack exit and the diameter of the stack at the point...

Page 90: ...y at the stack exit if we define the pathlength correction factor PLCF PLCF Le Lm where Le the exit pathlength Lm the measurement pathlength OPLR PLCF 2 Ope 1 10 OD OPLR Note The Model 4500 Premier ap...

Page 91: ...ck Measurement pathlength and exit pathlength are equal PLCF 1 00 OPLR 0 50 Example 1 Straight stack monitor on narrow duct Measurement pathlength is less than exit pathlength PLCF 1 00 OPLR 0 50 Exam...

Page 92: ...500 Premier Dust and Opacity Monitor 92 C2 Requirements for Environmental Legislation The Model 4500 Premier meets or exceeds the requirements of U S 40CR60 AppB PS1 CPS 0001 and ASTM Standard Practic...

Page 93: ...tro refector the Termination Box where the customer terminations are located and the air purge system A data display Control Room Unit is available The air purge system can take several forms dependin...

Page 94: ...second light source the patented Flood LED is used to reduce the effect of temperature drift in the detectors to an almost immeasurable low level Electronic modulation eliminates the need for a mechan...

Page 95: ...ange in sensitivity between the detectors 6 and 7 will lead to a change in the ratio of signals from the flood LED 2 By alternating light sources 1 and 2 once every second the normalisation procedure...

Page 96: ...ould be carried out by an authorised competent person only Enter the password using the and keys then press the ENTER key The default password is 10 The menus available are explained in more detail in...

Page 97: ...no faults are detected by the software the display will show Faults 0 and the user may return to the menu spine by pressing the EXIT key Faults Detected However if a fault or faults are detected then...

Page 98: ...is explained in more detail within this section Clear Path Settling Clear Path OK 100 point Settling 100 Opacity OK Running in Zero Balance OK Running in Span Settling Running out Re cal complete Acq...

Page 99: ...This menu provides a clear stack calibration sequence On selection press the ENTER key The display will show Clear path Ensure the that no obstruction dust gases are present in the sight path that wou...

Page 100: ...e and Calculate Select the required sub menu using the and keys Acquire Isokinetic Calibration sub menu From the Isokinetic Calibration sub menu press the ENTER key as previously described to display...

Page 101: ...ts Draw a graph from the readings For details see the section on Dust Calibration methods CALIBRATION AUDIT CAL AUDIT This sequence is provided so that verification by an independent check using exter...

Page 102: ...actory press the ENTER key again and then select YES or NO using the or key Press the ENTER key whilst YES is displayed to return the instrument back to its factory settings Press the ENTER key whilst...

Page 103: ...minal 36 and 37 inside the Termination Box or via Modbus Time to Next Calibration On selection of Time to next cal press the ENTER key notice the underlined x next to the h on the bottom line The time...

Page 104: ...nal structure for the Calibration menu Each sub menu found within the Calibration menu is explained in more detail within this section All menus marked use further sub menus SETUP Outputs Alarms Misce...

Page 105: ...he operational structure for Output 2 and Averaging 2 are identical Both Output 1 and Averaging 1 sub menus are explained in more detail within this section SETUP Outputs Alarms Miscellaneous Service...

Page 106: ...Output 1 Range On selecting Range x x press the ENTER key as described in Opacity above until an underlined character appears Select the required value by pressing the and keys Press the ENTER key aga...

Page 107: ...e by pressing the and keys Press the ENTER key again to return the display to Range x x no underlined characters as illustrated Track or Hold output during calibration During Cal On selecting During C...

Page 108: ...and can be selected by pressing the ENTER key to reveal an underlined character Constant On selecting Constant press the ENTER key as described in Constant Current above the display changes to Constan...

Page 109: ...r appears Select the required value by pressing the and keys Press the ENTER key again to return the display to Range x x no underlined characters as illustrated Track or Hold output during calibratio...

Page 110: ...the required value by pressing the and keys Press the ENTER key again to return the display to Range x x no underlined characters as illustrated Track or Hold output during calibration During Cal On...

Page 111: ...the and keys to select an appropriate number of hours and then press the ENTER key Continue using the and keys to select appropriate values for the minutes and seconds Each time press the ENTER key to...

Page 112: ...programmed to trip at specified levels with a 0 to 30 seconds delay for Optical Density Opacity or Dust as illustrated below SETUP Outputs Alarms Miscellaneous Service Alarm 1 Alarm 2 AL1 Type O D AL1...

Page 113: ...isplay notice no underlined characters Now press the ENTER key notice the underlined character The alarm trip may now be set to a value between 0 and 1000 by pressing the and keys Once set press the E...

Page 114: ...r Access to these functions is gained as illustrated below Return to the Miscellaneous display by pressing the EXIT key when no underlined characters are displayed SETUP Outputs Alarms Miscellaneous S...

Page 115: ...tputs may be set to one of three options 4 20 2 20 and 0 20 mA Press the or key to select the required units then press the ENTER key to set the option notice no underlined character It is now possibl...

Page 116: ...racter The Station Number indicates the location of the instrument to the user control system via the MODBUS communication protocol Press the or key to select the required value then press the ENTER k...

Page 117: ...VICE This menu only permits access with an entry code and is reserved for the use of LAND service personnel Press the or keys to scroll through the Setup menu or press the EXIT key to return to the me...

Page 118: ...e selection will appear on the top line of the display To return to the Top Line sub menu press the EXIT key Options available are as follows Opacity displays opacity value Optical Density displays op...

Page 119: ...ailable are as follows Opacity displays opacity value Optical Density displays optical value Dust Density displays dust density value Chan 1 Average displays average value of channel one Chan 2 Averag...

Page 120: ...easurement C Dust concentration X Calibration constant B Balance correction G Gain correction factor Q Uncorrected transmission factor Dust Gain Constant relating Optical Density to Dust Density Dust...

Page 121: ...ity 0 1 mg m3 Dust Drift 3 of range per month Angle of Projection 2 o Angle of View 2 o Response Time 1 second to 90 of final value Averaging Selectable from 10 seconds to 24 hours in 1 second steps P...

Page 122: ...or proposed 40CFR60 App F Procedure 3 Meets or exceeds ASTM Standard D6216 98 Meets or exceeds US EPA CPS 001 Safety Conforms to EN 61010 2 EMC Conforms to E 50 081 EN 50 082 Outputs Modbus Interface...

Page 123: ...larm 1 Alarm 2 Maintenance Relay Rating Single Pole Changeover 2A at 40 V d c 2A at 230 V a c Standard Termination Box Power Supply 90 to 260 V a c universal input 50 to 60 Hz Power Consumption 10 W H...

Page 124: ...ault messages NOTE Non fatal faults are reset once they have been viewed ERROR DESCRIPTION DIAGNOSIS NUMBER LEDs off No power at T Box check power supply Display blank Check fuse LEDs on Adjust contra...

Page 125: ...Flood LED fault during calibration Repeat calibration If fault persists call LAND Instruments International Service Dept 12 Filter blocked Air Filter pressure switch activated Clean replace air filter...

Page 126: ...r 701 983 90 Days Dust level should be below the line Where fitted Remove empty wipe out and replace Filter cover N A 90 Days Remove the filter from the filter housing Rubber cup Remove the rubber cup...

Page 127: ...4500 Premier Replacement lens cloths can be purchased from Land Instruments International Ordinary tissues and dusters are not suitable and can scratch the delicate optical surfaces To clean the Retr...

Page 128: ...mm and 8 mm Select the appropriate spacers to give the correct focus distance for the flange to flange pathlength shown in the table 6 Replace the O ring on the lens assembly 7 Select the correct len...

Page 129: ...177 227 4 16 704 531 5 77 7 00 227 276 2 16 704 532 7 00 10 00 276 394 2 16 704 532 10 00 14 00 394 551 2 16 702 869 14 00 20 00 551 787 0 16 702 869 WITH SHUTTER LOWER UPPER LOWER UPPER SPACER Screw...

Page 130: ...lector Assembly 704 528 Reflector Assembly 704 530 Reflector Assembly 704 531 Reflector Assembly 704 532 Reflector Assembly 702 869 Zero Calibration Assembly 702 778 Zero Calibration Motor Assembly 70...

Page 131: ...528 Note the flange to flange path length is given on each instrument s rating plate Flange to Flange Path Length Without Failsafe Shutter With Failsafe Shutter metres inches metres inches Reflector A...

Page 132: ...dule PCB Part Number 702 762 Reference Detector PCB Part Number 702 648 Measurement Detector PCB Part Number 702 645 Flood LED PCB Part Number 702 691 Source LED PCB Part Number 702 688 Control Panel...

Page 133: ...calibration micro switch Part Number 702 832 Air Purge Diffuser Part Number 700 911 Main Lens Assembly Part Number 702 781 Zero Calibration Assembly Part Number 702 778 Zero calibration motor assembly...

Page 134: ...C7 Configuration Record Sheet Please complete the Configuration Record Sheet General Information Instrument Serial Number Date of Purchase Technical Information Pathlength Service History Date Action...

Page 135: ...Model 4500 Premier Dust Opacity Monitor Appendix Part No 770 084...

Page 136: ......

Page 137: ...6 0 54 0 35 0 20 K 1 30 0 98 0 73 0 52 0 33 0 18 Select the Aperture Plate horizontally and the Grating vertically that relate to the B value observed after re calibration AppA 2 Span Filter Grating S...

Page 138: ...ditional set of connectors when specified with the heater package The additional connectors are labelled A B C and D and are fitted to the left of the main rail The Termination Box is suitable for bot...

Page 139: ...nty and will be charged for if replaced together with labour charges for any work found not to be covered by the warranty and any transport or import charges incurred by Land Instruments International...

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