Ametek Land 4500 MKIII User Manual Download

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E - 9

Model 4500 MkIII

Opacity and Dust Monitor

User Guide

10) Click the

Fuses

tab. If all is well the device fuse settings will be read

from the controller and the status window at the bottom will indicate

that this action was successful.

11) Ensure that the tick box

EESAVE

is ticked. This ensures that the

instrument does not lose its calibration when the firmware is upgraded.

Summary of Contents for 4500 MKIII

Page 1: ...Model 4500 MkIII i 4500 MKIII USER GUIDE PUBLICATION NO 804546 LANGUAGE ENGLISH Q U A L I T Y C U S T O M E R S O L U T I O N S...

Page 2: ...e user documentation supplied before installing and operating the equipment The safety of any system incorporating this equipment is the responsibility of the assembler Protective Clothing Face and Ey...

Page 3: ...e and contact information address telephone number email address etc Design and Manufacturing Standards The Quality Management System of Land Instruments International is approved to BS EN ISO 9001 fo...

Page 4: ...Opacity and Dust Monitor User Guide Model 4500 MkIII Preface Blank...

Page 5: ...for Environmental Legislation C 6 C6 Physical Principles C 7 D System Specification D 1 D1 4500 MkIII Dust and Opacity Monitor D 1 D2 Auxiliary Functions Unit Auxiliary Power Supply AFU APS D 3 E Main...

Page 6: ...INTRODUCTION A...

Page 7: ...us operation in all weather conditions Maintenance requirements are minimal Transceiver Containing all of the major electronic and electro optic components Retro Reflector Containing a corner cube ref...

Page 8: ...until the calibration routine is complete Relay Outputs Located on the key panel of the 4500 MkIII are three LEDs which light to indicate the operation of the following relay outputs SYSTEM OK CALIBR...

Page 9: ...Monitoring System showing all components installed F1 F2 F3 F4 F5 F6 F7 F8 F9 ESC i 3 def 6 mno 9 wxyz 1 symbol 4 ghi 7 pqrs 2 abc 5 jkl 8 tuv 0 Fail Safe Shutter Optional Fail Safe Shutter Optional...

Page 10: ...all the Air Blower Unit s for the purge air supply Consult the Air Blower Unit Instruction Manual for full details 4 An external circuit breaker incorporating over current protection or a power isolat...

Page 11: ...gency In Europe the location should the determined in accordance with EN15259 3 At the installation location there should be as much negative pressure as possible for example a stack updraft 4 The mou...

Page 12: ...hole 0 25in to 0 50in A3 3 Maintaining the path length during installation The installation path length is defined as the distance between the outer faces of the mounting flanges of the transceiver a...

Page 13: ...st be parallel to the stack wall 8 If the measuring path is short under 2m 6 5ft and easily accessible the flanges can be aligned using a straight piece of tube a Slide the tube through both flanges E...

Page 14: ...A 8 Front view of Air Purge showing mounting holes 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 moun...

Page 15: ...nections see Drg 740 058 Sheet 3 Customer connection box must be mounted within 5m of transceiver Notes 1 Weld standpipes into place Note that tubes must be co axial and aligned 1 0 2 Slide sealing ba...

Page 16: ...Opacity and Dust Monitor User Guide Model 4500 MkIII A 10 Installing a 4500 MkIII on existing 4500 series mountings 5 NOTE CHECK THAT EACH MOUNTING STUD HAS SIX PAIRS OF SPRING WASHERS...

Page 17: ...into place 5 Remove the alignment tool and refit it with the light source attached to flange 1 6 Align flange 2 and weld it into place 7 Replace the washers See section A3 8 A3 6 Using the Flange Ali...

Page 18: ...wer unit see the diagram in section A2 and its two connections on the instrument 3 must not exceed 7m 23 ft 3 The flange to flange path length 5 is factory set and must not be changed It is given on t...

Page 19: ...following the same procedure CAUTION If the instrument is being hoisted into position the case clips must be covered or taped closed to prevent them from opening accidentally A3 8 Mounting the Transce...

Page 20: ...ied with the Air Blower Unit DC Supply The 4500 MkIII requires a 24 V dc 3A supply Current consumption is 0 25 A at temperatures above 20 C Current increases to 3 A at lower temperatures when the case...

Page 21: ...1 52 53 47 48 49 50 24 25 26 27 28 20 21 22 23 36 37 38 39 29 30 31 56 57 58 59 60 54 55 32 33 34 35 Auxiliary Functions Unit AFU 10 11 12 13 14 5 6 7 8 9 1 2 3 4 Auxiliary Power Supply APS GND U1 N W...

Page 22: ...t In Cal Relay NO Alarm Relay COM Alarm Relay NO 4 to 20 mA O P 4 to 20 mA O P Screen N C In Cal Relay COM Alarm Relay NC In Cal Relay NC Pin N Colour Function Connector C 1 2 3 4 5 6 7 8 9 10 Screen...

Page 23: ...ew N of Cores Core Size mm2 Core Size strands dia Core Size awg Diameter Screened Supplied by 1 3 0 5 16 0 2 22 6 5mm Yes LAND 2 8 0 25 7 0 2 24 6 1mm Yes LAND 3 8 0 25 7 0 2 24 6 1mm Yes LAND 4 4 0 5...

Page 24: ...the risk that the shutter will jam in the open position and fail to close when needed The instrument gives an error message if the shutter does not close and open as expected The shutter is not desig...

Page 25: ...daptor 3 Fit the new adaptor flange to the standpipe using the three M12 bolts provided Ensure the bolts go into the countersunk holes on the adaptor flange A socket wrench is provided to assist with...

Page 26: ...II is replacing an older 4500 MkII Premier or MkII using the existing large standpipe In both cases the weather cover mounts to the rear side of the standpipe using the three studs and their lock nuts...

Page 27: ...A 21 Model 4500 MkIII Opacity and Dust Monitor User Guide A3 15 Installation with a Weather Cover Part N 809881...

Page 28: ...ort 110 v or 230 V ac mains power supply with APS Circuit breakers and terminals for ac supply distribution with APS The AFU connects to the Transceiver via its RS485 Modbus port A4 2 Location If the...

Page 29: ...A 23 Model 4500 MkIII Opacity and Dust Monitor User Guide A4 3 Mounting the AFU APS I O...

Page 30: ...stomer connections can then be made directly to the AFU Connector A Function Colour AFU Terminal 24 V dc Red 32 0 V dc Blue 33 Screen Braided Screen 34 Connector B Optional This connection is required...

Page 31: ...uide A4 5 Connections If an AFU is connested the AFU icon will appear in the top left corner of the transceiver display indicating that the AFU is communicating correctly If the icon does not appear f...

Page 32: ...24V DC Return Blue 34 EARTH Screen 35 EARTH A4 8 RS485 Modbus Master Port To Transceiver Ensure links 1 and 2 are fitted for 2 wire operation Terminal Function Transceiver Cable C 54 Cable Screen 55 C...

Page 33: ...0 V AFU 8 2 Shutter Supply 24 V 1 Red 3 Shutter Open NC 3 Blue 4 Shutter Open COM 5 Green 5 Screen Screen 6 Shutter Closed NO 7 Yellow 7 Shutter Closed COM 6 White 8 Open Shutter COM AFU 1 9 Open Shut...

Page 34: ...to 43 Terminal Function 40 Cable Screen 41 Cable Screen 42 Modbus TXD1 43 Modbus TXD0 44 Modbus Common 45 Modbus RXD0 46 Modbus RXD1 Baud and parity settings on S1 S1 1 S1 2 S1 3 S1 4 19200 Even 1 st...

Page 35: ...III Opacity and Dust Monitor User Guide A5 AFU APS I O Process I O Board A5 1 Alarm Relays Terminal Function A1 Alarm 2 Common A2 Alarm 2 OK A3 Alarm 2 Active A4 Screen A5 Alarm 1 Common A6 Alarm 1 OK...

Page 36: ...ation Common A16 Normal Running A17 Upscale Calibration in Progress A18 Screen A19 Zero Calibration Common A20 Normal Running A21 Zero Calibration in Progress A5 4 4 to 20 mA Outputs Output 1 Settings...

Page 37: ...ameters Connect volt free contacts between A37 and A38 to Select Fuel 1 Connect volt free contacts between A41 and A42 to Select Fuel 2 Make both connections to Select Fuel 3 Terminal Function A36 Fue...

Page 38: ...nnected safely to the APS The connection of any other equipment to the shutter blower terminals may be hazardous Approved blowers are listed in the table below Part N Description 099 471 Plate Mounted...

Page 39: ...Mains Neutral Input 12 Blower 1 Neutral 4 Black 0V 4500 MkIII 13 Blower 2 Neutral 5 Black 0V Shutter 1 6 Black 0V Shutter 2 14 Blower 1 Live 15 Blower 2 Live 7 Blower 1 Earth 8 Blower 2 Earth 16 Do no...

Page 40: ...able Screen Screen 6 Shutter Closed NO 17 7 Shutter Closed COM 16 8 Open Shutter Common 6 9 Open Shutter 7 Note Shutters also require a link between shutter terminals 8 and 9 AA 2 Reflector Shutter Co...

Page 41: ...GETTING STARTED B...

Page 42: ...Opacity and Dust Monitor User Guide Model 4500 MkIII Preface Blank...

Page 43: ...ndicators The liquid crystal display normally indicates the opacity measured by the instrument Error messages and other parameters can also be displayed as explained in a later section The displayed o...

Page 44: ...d menu item and press To cancel a menu selection press 3 Data Entry To change a data value use the arrow to increase the value and the arrow to decrease it When the value is correct wait for the icon...

Page 45: ...put 351 O P range AFU 1 352 O P range AFU 2 36 Constant current Transceiver 361 Constant current AFU 1 362 Constant current AFU 2 37 Dust settings 41 Parameter number 42 Parameter Scroll Model 4500 Mk...

Page 46: ...61 Confirm clear path 62 Confirm blocked path 63 Test filter opacity 65 Not averaged 66 Averaged 71 Start 72 Stop 73 Wait 75 No Negative Values 76 Show Negative Values 81 Opacity 82 Optical Density 83...

Page 47: ...tector Measurement Value C Calibration Constant slope X Calibration constant offset B Balance correction G Gain correction factor Q Uncorrected transmission factor Dust Gain Constant relating Optical...

Page 48: ...2 Check the Pathlength Correction Factor If the Model 4500 MkIII is to be used to report Opacity it is essential that the Pathlength Correction Factor PLCF is set correctly PLCF is not relevant for Du...

Page 49: ...malfunctioning 6 To move the green spot horizontally adjust the M10 nut 1 on the air purge flange and to move it vertically adjust the M10 nut 2 also on the air purge flange as illustrated above Adju...

Page 50: ...gnment target may not be visible In this case return to the Retro Reflector undo the quick release clamps and swing open the rear cover It should now be possible to adjust the transmissometer until th...

Page 51: ...gs Note Auxiliary Functions Unit AFU If an AFU is fitted the Transceiver outputs are not used and there is no need to perform the settings described in sections 6 7 and 8 below AFU output setting inst...

Page 52: ...st purposes 11 Use the and arrows to select Output Current and press 12 Use the and arrows to change the output current and press 13 When the test is complete press to switch back to normal operation...

Page 53: ...Functions 1 Read Coil 3 Read Holding Register 5 Force Single Coil 6 Pre set Single Register and 10 Pre set Multiple Registers Each Modbus must have one termination resistor at each end and one bias n...

Page 54: ...Use the and arrows to change the Parameter number to 3 and press 9 Use the and arrows to change the Parity to 0 None 1 Even or 2 Odd and press 10 When the communication settings are correct press twic...

Page 55: ...orical reasons Registers are given decimal numbers beginning at 1 but Register 1 is located at Address Offset 0 Register numbers are always one greater than their associated bus addresses The Table be...

Page 56: ...al density Calculated optical density not updated during a cal audit or a cal check 1 3 x1000 135 Held dust density Calculated dust density not updated during a cal audit or a cal check 0 9999 x1 136...

Page 57: ...itiate Calibration Bit 0 Cal check Bit 1 Cal audit NA 95 Cal check interval In hours Default 24 0 1000 NA 96 Time to next cal Time to next cal in minutes 0 65535 NA Note A Read operation on an unassig...

Page 58: ...ect Opacity Optical Density Dust Density Constant Current Calibration Drift or Pathlength Correction Factor and press 4 Use the and arrows to select Output 1 Range and press 5 Use the and arrows to ch...

Page 59: ...ged outputs can be configured by setting the foillowing Register values Register 189 Transceiver Output Averaging enable Register 339 AFU Output 1 Averaging enable Register 352 AFU Output 1 Averaging...

Page 60: ...U is connected to the Data Output Port of the first AFU and so on up to a maximum of four AFUs connected to one Transceiver The Control Port is a Modbus slave It can be used to monitor the operation o...

Page 61: ...select Parameters and press 3 Use the and arrows to select Parameter Number and press 4 Use the and arrows to change the Parameter number to 1 and press 5 Use the and arrows to change the Slave Addres...

Page 62: ...g the last clear stack calibration and notes this value as the amount of drift and optical dust build up The opacity value of the upscale filter 9 is shown on the calibration certificate which accompa...

Page 63: ...Press twice to return to the main display The Model 4500 MkIII is now ready for use B5 2 Calibration Audit Non EPA compliant A convenient Calibration Audit facility is provided for carrying out Calibr...

Page 64: ...s set to 1 0 the displayed value should match the filter opacity If the PLCF is not 1 0 use the following formula to calculate the expected instrument reading Displayed Opacity 1 1 FilterOpacity 1 PLC...

Page 65: ...target Refer to Section B4 3 and B4 4 of this User Guide 6 Go to the Calibration menu password is 10 and do a recalibration See Section 5 4 below B5 4 Recalibration procedure Ensure that the pathlengt...

Page 66: ...to Section B5 9 B5 5 Gravimetric Calibration Isokinetic Calibration The Model 4500 MkIII measures the opacity of dust and smoke emissions As explained in the Reference section of the manual this may...

Page 67: ...of the Trendline on the chart The slope of the Trendline is the Dust Gain calibration constant Dust Offset and Dust Gain 2 are zero 3 If the Trendline is not a good fit to the data try removing the co...

Page 68: ...quired and press To change the settings for the Current Fuel 1 Use the and arrows to select Dust Gain and press 2 Use the and arrows to change the Dust Gain value as required and press 3 Use the and a...

Page 69: ...nd press 7 Confirm is displayed Press 8 The Previous Calibration constants are copied into the Current Calibration constants 9 The Tick in the top left corner of the display indicates that the operati...

Page 70: ...rations To enter the calibration constants C X and B 1 Press 2 Unlock is displayed press 3 Use the and arrows until the Engineer code is displayed and press 4 Use the and arrows to select Calibration...

Page 71: ...EZD is adjusted each time the instrument is recalibrated in the laboratory or under clear path conditions External Zero Device The instrument serial number and pathlength are printed on the carry case...

Page 72: ...he instrument It is recommended that re calibration is performed every three years or if a Calibration Audit shows the instrument to be outside of acceptable limits Please ensure that all optical surf...

Page 73: ...ng adjuster on the EZD completely covers the reflective surface then replace the current aperture plate and grating with the ones corresponding to the next highest B value i e Next highest B value 0 9...

Page 74: ...ly inserted into the slot After each insertion wait at least twice the shortest recording interval on the COMS data recorder so that the reading can be registered by the data recorder 7 Make at least...

Page 75: ...0 0 64 0 46 0 35 C 1 76 1 22 0 88 0 60 0 44 0 34 D 1 71 1 19 0 84 0 59 0 43 0 33 E 1 65 1 15 0 82 0 57 0 42 0 32 F 1 60 1 11 0 79 0 56 0 41 0 31 G 1 54 1 07 0 77 0 54 0 40 0 31 H 1 49 1 04 0 74 0 53 0...

Page 76: ...THEORY OF OPERATION AND APPLICATION C...

Page 77: ...ays 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 opa...

Page 78: ...ght 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 become...

Page 79: ...ice the amount of absorption as illustrated below This must also be corrected in our system The Pathlength Correction Factor PLCF is only relevant for Opacity measurements It is the ratio between the...

Page 80: ...pacity 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 x OPLR Note The Model 4500 MkI...

Page 81: ...ors PLCF Straight stack Measurement pathlength and exit pathlength are equal PLCF 1 00 Example 1 Straight stack monitor on narrow duct Measurement pathlength is less than exit pathlength PLCF 1 00 Exa...

Page 82: ...ts of ASTM Standard Practice D6216 The Model 4500 MkIII measures dust density particulate matter concentration in accordance with US 40CFR60 AppB PS 11 It is therefore suitable for compliance measurem...

Page 83: ...l of the optical and electro optic components the Retro Reflector containing a glass reflector and the air purge system The air purge system can take several forms depending upon individual site requi...

Page 84: ...g parts are the motors used in the calibration system These motors have a very low duty cycle and are very reliable Transmissometer Key 1 LED light source 7 Reference Detector 2 Flood LED 8 Concave Mi...

Page 85: ...is then continuous The microprocessor performs the calculations required to perform the normalisation and to convert the opacity measurement into optical density or dust density as required Calibrati...

Page 86: ...SYSTEM SPECIFICATION D...

Page 87: ...ngth 0 5 to 10 m 20 in to 32 ft extended pathlengths to 15 m 50 ft available Calibration Automatic zero and upscale check Selectable interval 1 to 24 hours in 1 hour steps Zero Correction Automatic co...

Page 88: ...nt Consumption 3 A maximum Mechanical Data Dimensions H x W x D Transceiver 191 x 201 x 413 mm 7 5 x 7 9 x 16 3 in Retro Reflector 191 x 201 x 237 mm 7 5 x 7 9 x 9 3 in Long Pathlength Retro 320 x 220...

Page 89: ...ty Optical Density or Dust Density 48 V 1A maximum Blower Monitoring Four logic inputs for monitoring up to two purge air blowers Failsafe Shutter Control Four logic inputs and two logic outputs for m...

Page 90: ...Environmental Operating temperature 40 to 55 C 40 to 131 F Environmental rating IP65 NEMA4X Compliance EMC Conforms to EN 61326 1 Safety Conforms to EN 61010 1 Mechanical Data Weight 5 5 kg 12 lb Dime...

Page 91: ...MAINTENANCE E...

Page 92: ...tinue Refer to E3 below 8 Retro shutter fault As 7 above 9 Transceiver blower fault Check blower power Check pressure switch wiring Check blower filter 10 Retro blower fault As 9 above 11 AFU Fault Co...

Page 93: ...play 3 If the number of faults is not zero use the and arrows to select List Faults and press The first Fault Number is displayed Its meaning and the recommended action are listed in the Table opposit...

Page 94: ...are normal Check wiring Check jumpers LK1 And LK2 are fitted on AFU AFU Switch settings Check status of AFU switches S2 S5 S7 AFU 4 20 mA outputs do not function Transceiver is not communicating with...

Page 95: ...lter Element Safety Filter where fitted 317 561 317 604 90 Days Annually Remove the filter from the filter housing Remove the cap Empty the cap and wipe out Wear eye protection tap gently to remove du...

Page 96: ...s Carefully wipe the glass surface of the Retro Reflector with the lens cloth Close the housing and fasten the two quick release clamps To clean the mains lens open the Transmissometer housing by undo...

Page 97: ...PC on which to run the programmer software Set of connecting leads and a power supply for the 4500 MkIII transceiver Install the software that comes with the AVRISP MkII AVR Studio 4 This also instal...

Page 98: ...r firmware 1 Connect the AVRISP programming connector to the connector on the main PCB Make sure the connector is oriented as shown below 2 Connect the power lead and a 24V power supply to the instrum...

Page 99: ...E 7 Model 4500 MkIII Opacity and Dust Monitor User Guide 4 Click Cancel on the Welcome to AVR Studio dialogue 5 Select Tools Program AVR Connect 6 Select AVRISP MkII and USB then click Connect...

Page 100: ...select ATmega2560 8 Click the Program tab Ensure that the Erase Device box is ticked 9 Click the file selector for the Flash Input HEX File and navigate to the HEX file for the controller firmware up...

Page 101: ...is well the device fuse settings will be read from the controller and the status window at the bottom will indicate that this action was successful 11 Ensure that the tick box EESAVE is ticked This e...

Page 102: ...on under Flash 13 Programming takes a few seconds Check that the LEDs on the AVRISP MkII are as shown If all is well the status window at the bottom will indicate that this action was successful 14 Cl...

Page 103: ...der on the display PCB Make sure the arrow on the connector matches pin 1 marked on the PCB The procedure for programming the Human Interface is similar to that for the main software 2 Connect the AVR...

Page 104: ...ler and Human Interface firmware 3 Check that the version numbers are those expected from the upgrade 4 Remove the power 5 Carefully replace the cover ensuring that it doesn t jam on any components Wh...

Page 105: ...Reflector element set 1 5 m 801524 Reflector element set 3 0 m 801525 Reflector element set 7 0 m 801526 Retro element set 10 6 m 804320 Main PCB 804319 Detector PCB 804537 Display PCB Assembly 804542...

Page 106: ...4500 MkIII 812112 Head Cover Screws Pk of 4 AFU Stand Alone Power Supply Options 809014 APS1 Stand alone PSU 809015 APS2 Stand alone PSU Spares for Standard Mounting Flange 703 020 804557 Spherical w...

Page 107: ...0 804 Flange Sealing Ring Part Number 701 972 Flange Stud Set of 3 Part Number 809645 Spring Washer Set of 24 Part Number 804 558 M10 Locking Nut Set of 3 Part Number 804 559 Spherical Washer Set of 3...

Page 108: ...CHANGING THE INSTALLATION PATHLENGTH F...

Page 109: ...all three screw holes are open If not remove and reposition the plate 8 Replace the lens holder in the Transceiver and tighten the three screws F2 Align and Calibrate the Model 4500 MkIII The followin...

Page 110: ...8 Select three audit filters selected according to the requirements of ASTM D6216 para 7 5 The 2 square audit filters provided as an optional item with the Model 4500 MkIII are suitable Ensure the cal...

Page 111: ...718 757 28 3 29 8 23 758 800 29 8 31 5 22 804350 801 847 31 5 33 3 21 848 900 33 4 35 4 20 901 958 35 5 37 7 19 959 1023 37 8 40 3 18 1024 1095 40 3 43 1 17 1096 1177 43 1 46 3 16 801523 1178 1269 46...

Page 112: ...ting 1 Grating 2 Grating 3 Grating 4 Grating 5 Aperture B 1 11 21 31 41 51 Aperture C 2 12 22 32 42 52 Aperture D 3 13 23 33 43 53 Aperture E 4 14 24 34 44 54 Aperture F 5 15 25 35 45 55 Aperture G 6...

Page 113: ...INSTRUMENT RECORD SHEETS G...

Page 114: ...Blank...

Page 115: ...ent Record Sheets G1 Configuration Record Sheet Please complete the Configuration Record Sheet General Information Instrument Serial Number Date of Purchase Technical Information Pathlength Service Hi...

Page 116: ...tware Version number 7 HI Software Version number 51 Faults No of faults 52 Error Flags 1 Fault code 121 Sm Signal measurement 122 Rm Reference measurement 123 Sf Signal flood value 124 Rf Reference f...

Page 117: ...OPTIONAL I O MODULES FOR AFU H...

Page 118: ...Blank...

Page 119: ...f the external communications customers must send commands to the processor using the Modbus specified format Full details of the Modbus standard messaging interface are given in the appropriate Modbu...

Page 120: ...stem allowing direct IP addressing Internet Protocol TCP IP between the laptop PC and the AFU Module 3 The following instructions detail how to set the IP address of the AFU instrument static addressi...

Page 121: ...s is not checked When this option is unchecked the address and port options are disabled Click OK Click Apply and OK Close Internet Explorer Note In different versions of Internet Explorer some Proxy...

Page 122: ...plied with the IP address fixed However the network settings of the unit can be changed by entering the following into the web browser window http 10 1 10 200 home htm The Digi Connect ME4 Configurati...

Page 123: ...network system then provided the settings on the Network Configuration screen are within the allowed addressing range of the network no further changes will be needed If changes are made to any of the...

Page 124: ...LONG PATHLENGTH OPTION App 1...

Page 125: ...dard 4500 MkIII is suitable for installation pathlengths up to 10 6 m 35 ft A special retroreflector allows the 4500 MkIII to be used on installation pathlengths up to 15 m 50 ft The long pathlength r...

Page 126: ...Opacity and Dust Monitor User Guide Model 4500 MkIII App 1 2...

Page 127: ...erials or workmanship but due to application conditions Land Instruments International reserve the right to charge additionally for all labour on establishing this at the customer s works Warranty cov...

Page 128: ...nal Dronfield S18 1DJ England Tel 44 0 1246 417691 Email land enquiry ametek com www landinst com AMETEK Land Americas 150 Freeport Road Pittsburgh PA 15238 U S A Tel 1 412 826 4444 Email irsales amet...

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