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Teledyne 633 User's Manual

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1. Technology The Model 633 Aethalometer uses the patented DualSpot method to compensate for the spot loading effect and also to provide a real time output of the loading compensation parameter which may provide additional information about the physical and chemical properties of the aerosol 6 07645A DCN61 70 Teledyne Advanced Pollution Instrumentation Model 633 Aethalometer Black Carbon Monitor User Manual The spot loading effect is a variable phenomenon which appears as a gradual reduction of instrumental response as the aerosol deposit density of the filter tape increases from zero to the predetermined limit of Maximum Attenuation Gundel 1984 Weingartner 2003 Arnott 2005 Virkkula 2007 Kanaya 2008 When the filter tape advances to a fresh spot the data undergoes a discontinuous jump from its previous lower value calculated when the spot was heavily loaded to a higher value calculated from collection on a fresh spot at zero loading In the Aethalometer the reduction of data at increasing loadings is well described by a linear function of attenuation but its magnitude cannot be predicted some aerosols in some locations in some seasons may show a small or zero loading effect while under other conditions the effect may be larger and noticeable Empirically it is found that fresher aerosols closer to their combustion sources will show a larger spot loading effect while well aged aerosols
2. 4 TELEDYNE ADVANCED POLLUTION INSTRUMENTATION Everywhereyoulook Model 633 Aethalometer Black Carbon Monitor User Manual TELEDYNE ADVANCED POLLUTION INSTRUMENTATION 9480 CARROLL PARK DRIVE SAN DIEGO CA 92121 5201 USA Toll free Phone 800 324 5190 Phone 858 657 9800 Fax 858 657 9816 Email api sales teledyne com Website http www teledyne api com Copyright 2012 2013 07645A DCN6170 Teledyne Advanced Pollution Instrumentation 23 April 2013 NOTICE OF COPYRIGHT TRADEMARKS 07645A DCN61 70 2013 Teledyne Advanced Pollution Instrumentation user manual expanded and edited with permission from Aerosol d o o Magee Scientific All rights reserved The Aethalometer is a registered trademark of Magee Scientific and the instrument is manufactured by Aerosol d o o in Slovenia All other trademarks registered trademarks brand names or product names appearing in this document are the property of their respective owners and are used herein for identification purposes only Model 633 Aethalometer Black Carbon Monitor User Manual Teledyne Advanced Pollution Instrumentation This page intentionally left blank li 07645A DCN61 70 TABLE OF CONTENTS 1 INTRODUCTION 1 1 Description 1 1 1 DualSpot Technology 1 1 2 Automatic Zero and Span 1 1 3 User and Communications Interfaces 1 1 4 Modular Construction 1 2 Technical Specifications 1 3 Functional Description 2 SAFETY NOTES and LABELS 3 INSTRU
3. 50 07645A DCN6170 Teledyne Advanced Pollution Instrumentation Model 633 Aethalometer Black Carbon Monitor User Manual 3 Disconnect flowmeter from the input 4 Connect the flow meter to the output of the instrument by a long tube 10 m to reduce the oscillations which can influence the flow measurements 5 Take a Fout reading IMPORTANT If you use a volumetric flow meter take into account the difference in air pressure and temperature between the flow in and flow out use the ideal gas law equation Report Aethalometer Fin LPM Fout LPM Z AE33 S00 0054 TSI4100 15 1 2013 467 501 J68 5 3 Automatic flow meter calibration First ensure that a leak test is completed Section 5 1 prior to running this calibration procedure For the automatic calibration a TSI14100 flow meter data cable and the flow calibration pad are needed Before calibration check TSI4100 flow meter settings E TSlsetup c xoz Ow Sample Rate ms 5 Gata Monten Default 41400930001 Flow Units Standard L min v Model Number a l 4140 Analog Span L min 20 Com Port 0 About Analog Zero mV Calibration Date 6 8 12 Hel om Hp Display Update Rate ms Display Scroll Mode Flow Only updates 07645A DCN6170 51 Model 633 Aethalometer Black Carbon Monitor User Manual Automatic flow calibration procedure 1 Stop measurements in the OPERATION gt GENERAL menu press Stop button
4. k which provides insights into the aerosol nature and composition This process is performed in real time for all wavelengths examination of the k values as a function of wavelength provides further information about the aerosol composition An example of this is shown for extreme concentrations of black carbon Figure 3 07645A DCN6170 9 Model 633 Aethalometer Black Carbon Monitor User Manual Teledyne Advanced Pollution Instrumentation IR 1 second raw BC1 raw BC2 80000 compensated BC _ W c Wh 60000 Cc 2 40000 Cc ab O Cc O O 20000 m 2000 3000 4000 time sec Figure 3 The time series of 633 raw and compensated BC concentrations with 1 second timebase note the extreme concentrations and loading effects 1 1 2 Automatic Zero and Span The Model 633 Aethalometer is capable of automatically checking the zero air response of the instrument under dynamic operating conditions This test is implemented by back flushing the inlet connection with an excess flow of internally filtered air and circulating the filtered air in the instrument The data reported during this period are analyzed for the mean value and the point to point variation The mean value should be close to zero under ideal conditions any positive value greater than zero represents the leakage of BC containing room air into the instrument s analytical zone The point to point variation represents the instrument s measurem
5. ID _ com1 ID com2 ID com3 fields i 1D_comi are the identifiers telling the Aethalometer which auxiliary device is connected to which serial port necessary because of the different data structure This is a 3 byte field 0 2021 1 means that the Comet temperature probe instrument code 2 is connected to COM2 The temperature is 21 1 C This is not true for the temperature and pressure measurements to calculate volumetric flow using AMES_TPR159 sensor If we connected additionally another aux instrument to COM1 the dataline would be ID_comi 5 2 0 Date yyyy MM dd Time hh mm ss Timebase RefCh1 Sen1Ch1 Sen2Ch1 RefCh2 Sen1Ch2 Sen2Ch2 RefCh3 Sen1Ch3 Sen2Ch3 RefCh4 Sen1Ch4 Sen2Ch4 RefCh5 Sen1Ch5 Sen2Ch5 RefCh6 Sen1Ch6 Sen2Ch6 RefCh7 Sen1Ch7 Sen2Ch7 Flow1 Flow2 FlowC Pressure Pa Temperature C RH ContTemp SupplyTemp Status ContStatus DetectStatus LedStatus ValveStatus LedTemp BC11 BC12 BC1 BC21 BC22 BC2 BC31 BC32 BC3 BC41 BC42 BC4 BC51 BC52 BC5 BC61 BC62 BC6 BC71 BC72 BC7 K1 K2 K3 K4 K5 K6 K7 TapeAdvCount ID_com1 ID_com2 ID_com3 fields_i 2012 09 21 00 34 00 60 890416 524323 709193 823296 573862 756304 884844 619592 789142 822391 673266 816066 792706 686925 828401 738101 718325 841075 789053 722690 833686 3325 1674 4999 101325 21 11 1 3040001010 00000 0 1150 1290 1242 1166 1248 1215 1150 1231 1190 1146 1196 1175 1214 1195 1234 1144 1114 1139 1180 1225
6. 2 In the OPERATION gt ADVANCED menu press FLOWCAL 3 Press AUTO to start auto Flow meter calibration 52 Teledyne Advanced Pollution Instrumentation 07645A DCN6170 Teledyne Advanced Pollution Instrumentation Model 633 Aethalometer Black Carbon Monitor User Manual Automatic flow calibration procedure 4 Wait for the measurement chamber to move to the up position 5 Once chamber is lifted remove tape and insert the flow calibration pad 6 Press OK when finished You will be prompted to wait for chamber to move back to home position and then to make flowmeter and cable connections 07645A DCN6170 53 Model 633 Aethalometer Black Carbon Monitor User Manual Teledyne Advanced Pollution Instrumentation Automatic flow calibration procedure 7 Connect the flow meter to the inlet of the Aethalometer note the orientation Connect the data cable to the serial connector on the back of the Aethalometer then press OK 8 Once you ve pressed OK to start the flow calibration wait for it to finish and press OK when prompted The display continues with prompts for completing the procedure i e wait for chamber to lift remove flow pad return tape wait for chamber to return to home position etc until the entire procedure is complete After completion of automatic or manual flow calibration and the instrument is returned to operation mode note that the intake flow reported from a flow met
7. Black Carbon Monitor User Manual 5 5 Manual stability test Stability test is conducted without flow to determine the performance of the light source detector pair In the Operation General tab select the desired timebase and click Stability button to start the test Stability test is marked by status 1024 During the test BC values will be calculated assuming there is 5 LPM air flow Manually stop the test when the desired test duration is complete Interpretation of the results Average BC values should be close to zero if the Aethalometer is warmed up was measuring for a few hours just before conducting the test Point to point variation of BC PPBC is calculated as an average absolute difference between the consecutive BC measurements It depends on the timebase tested channel and spot For example at 1 s timebase PPBC61 approx 400 ng m 5 5 Manual clean air test Clean air test is conducted using the built in filter to determine the performance of Aethalometer under the standard flow condition In the Operation General tab select the desired timebase and flow then click Clean air button to start the test Clean air test is marked by status 2048 Manually stop the test when the desired test duration is complete Interpretation of the results Average BC values should be close to zero if the Aethalometer is warmed up was measuring for a few hours just before conducting the test It is possible to observe a
8. it indicates only one parameter and its description Examples Status 0 all OK gt front panel LED s GREEN Status 1 all OK tape advancing gt blinking GREEN LED Status 128 machine is running tape advance warning flag is set gt YELLOW Multiple Status Conditions If the Status displayed does not match a value in the table it means that there are multiple parameters whose Status Conditions are added together forming a sum that must be broken down by subtraction find the largest value in the Status Condition column that does not exceed the Status value and subtract it from the sum Then Find the next largest value in the Status Condition column that does not exceed the remainder and subtract again Continue finding the next largest number and subtracting it until the remainder matches a value in the Status Condition column Examples Status 289 which breaks down as follows 289 256 33 33 32 1 therefore the Status Conditions are 256 32 and 1 which mean gt machine is not measuring 1 LED calibration had errors in 1 or more but not all channels 32 and less than 5 tape advances are left 256 Status 145 which breaks down as follows 145 128 17 17 16 1 therefore the Status Conditions are 128 17 and 1 which mean gt machine is not measuring 1 LED calibration is in process 16 and less than 10 tape advances are left 128 4 3 Downloading and Viewing Data To downlo
9. 1174 0 00133 0 00095 0 00092 0 00080 0 00057 0 00024 0 00025 12 5 2 0 1090 45 20 0 21 1 where the aux instrument with the code 5 is a weather station reporting pressure 1090 mbar RH 45 and temperature 20 0 the temperature 21 1 is reported by the Comet temperature probe installed at a different location 4 4 Connecting to External Datalogger or PC Connect with a crossover cable or standard serial cable with null modem adapter from the PC Datalogger to the serial port of the instrument on the rear panel 07645A DCN6170 43 Model 633 Aethalometer Black Carbon Monitor User Manual Teledyne Advanced Pollution Instrumentation Establish communications using the following values BaudRate 115200 DataBits 8 stopBits 0 Ports StopBits One Parity 1O Ports Parity None Handshake 0 Ports Handshake None DtrEnable True RtsEnable True 4 5 Serial Commands for Communication with the Aethalometer IMPORTANT NOTE All commands finish with a Carriage Return CR AE33 Dnnn nnn number of lines Request nnn last of data requested measurements AE33 TyyyyMMddHHmmss year Synchronize time with month the data logger day hour 24 min second Command AE33 D1 CR will return one data line i e 1 byte gt value 13 so all together there should be 9 bytes Please note these are all capital letters Example 1 4E33 D120 CR gt 11 bytes Output will be 120 lines of data 44 07645A DCN61
10. 232 Null Modem adapter 3 8 1 4 NPTF Reducer 73
11. K2 K3 K4 K5 K6 K7 TapeAdvCount D_com1 D_com2 ID_com3 fields_i Data line 2012 09 21 00 34 00 60 890416 524323 709193 823296 573862 756304 884844 619592 789142 822391 673266 816066 792706 686925 828401 738101 718325 841075 789053 722690 833686 3325 1674 4999 101325 21 11 1 30 40 0 0 10 10 00000 0 1150 1290 1242 1166 1248 1215 1150 1231 1190 1146 1196 1175 1214 1195 1234 1144 1114 1139 1180 1225 1174 0 00133 0 00095 0 00092 0 00080 0 00057 0 00024 0 00025 12 0 2 0 21 1 07645A DCN61 70 41 Model 633 Aethalometer Black Carbon Monitor User Manual Teledyne Advanced Pollution Instrumentation Data field description Date yyyy MM dd date Time hh mm ss time Timebase timebase units in seconds Ref1 Sen1Ch1 Sen2Ch1 are the raw signal Reference Ref Sense 1 Sen1 and Sense 2 Sen2 values form which the BC concentrations are calculated for channel 1 Ch1 that is wavelength 370 nm BC11 is the uncompensated BC calculated from the spot 1 for channel 1 BC1 is the final results the BC calculated form measurements for channel 1 370 nm Flow1 Flow2 FlowC Measured flow in ml min Flow 1 is flow through the spot 1 Flow_C is common total flow through the optical chamber Flow_2 is the difference between these two Pressure Pa Temperature C RH These are the pressure and temperature which the instrument uses to report flow By chosing to report mass flow 101325 Pa 21 11 C are
12. down together with the power supply electronics The highest level control software and the user interface are implemented on the main PC based computer ELECTRONIC BOARDS The system features modular design so the electronics is composed of various electronics boards which mechanically fit together with other mechanical modules The low level control firmware is implemented with microcontrollers which are located on separate electronic boards so parallel real time data processing is possible 07645A DCN6170 15 Model 633 Aethalometer Black Carbon Monitor User Manual Teledyne Advanced Pollution Instrumentation ETHERNET CONNECTOR The Ethernet connector allows the connection of the Model 633 measurement system to Ethernet based communication networks COM1 COM2 COM3 CONNECTORS The COM connectors allow the connection of the system to RS232 based devices like external sensors or dataloggers USB CONNECTOR rear panel The USB connector allows the connection of the system to USB based devices like external sensors or data processing units AIR INLET and OUTLET CONNECTORS The air inlet and outlet connector allows the connection of the instrument to external airflow system The measured air enters the instrument through the inlet connector and leaves the instrument through the outlet connector BALL VALVE The ball valve is an electrically actuated valve which is connected directly to the inlet connector and connects or s
13. of the instrument e g Detector Flow LED etc The decimal number represents a sum of all of the status conditions occurring at any given time Multiple status conditions are interpreted using subtraction of the largest possible Status Condition value using the table below Table 1 Status Conditions and Descriptions Status Parameter Condition Description calibration in progress calibrating LED Flow Tape Sensors stopped Flow flow OK flow low high by more than 0 25 LPM 8o o Flow check status history Flow L H and check status history LEDs OK calibrating 32 calibration error in one or more channels at least one channel OK led error all channels calibration error COM error a ee Tape Advance Tests No test Stability test Clean air test Change tape When Status Condition 3 is encountered the Aethalometer stops In all other statuses it tape advance OK tape warning less than 10 spots left tape last warning card box visible less than 5 spots left tape error tape not moving end of tape continues to operate with a warning and the data is flagged accordingly The status is rep resented by one value which can point to one parameter or a combination of parameters 07645A DCN6170 39 Model 633 Aethalometer Black Carbon Monitor User Manual Teledyne Advanced Pollution Instrumentation Single Status Condition If the value displayed matches a value in the Status Condition column
14. 14 758637 1998 2170 2015 0 0056 ant E Features Ch4 889507 686753 706938 2020 2172 0 0058 Chs 937179 766225 7875941 2080 2267 2097 0 0060 DualSpot Technology compensates for spot loading effects provides Che 922543 887681 9095891 1989 2145 196 0 0059 additional information about aerosol composition Ch7 936604 817894 846289 2049 2249 TO 0 0060 e Full Spectrum 10 Wavelength operation er 1 Hz date at 10 Wavelengths UV IR Seni F mipm 3 Sen2F mipm 1311 Network Ready for remote management and data transfer Dynamic Active Zero built in diagnostic performance check e Quick Clean analytical chamber Modular hardware for reliability and servicing This is a Magee Sdentific Aethalometer Model AE33 with DualSpot technology em M AG E E A Manufactured in Slovenia by Aerosol d o o and sold by Teledyne API under license wy SCIENTIFIC Figure 12 The Aethalometer HOME OPERATION DATA and ABOUT screens clock wise from top left 38 07645A DCN61 70 Teledyne Advanced Pollution Instrumentation Model 633 Aethalometer Black Carbon Monitor User Manual 4 2 Instrument Status The instrument s current status condition is displayed in decimal format on the front panel HOME screen and in the Status column of the data download The status condition relates to various subcomponents
15. 7 top Use Teflon tape on the thread 2 Fit the supplied barbed connector into the end of the black conductive sample tubing Figure 7 left 3 Insert the connector into the fitting on the rear panel of the instrument Figure 7 right Figure 7 Connecting the sampling line Connect the other end of the sample line tubing to the sampling manifold or to the inlet on the outside of the measurement station Make sure that any openings in the station walls or ceiling is leak proof If not using a size selective inlet please make sure to keep the end of the tubing 26 07645A DCN61 70 Teledyne Advanced Pollution Instrumentation Model 633 Aethalometer Black Carbon Monitor User Manual inverted so rain cannot enter A funnel on the sampling end of the inverted sample line tubing with the opening covered by a mesh screen is recommended Alternatively the optional insect screen can be installed near the sampling end of the tubing The inlet should be unobstructed securely fixed and placed at an appropriate distance from the roof or walls of the station Please consult the appropriate national and international technical standards for particulate matter sampling and analysis for details 3 3 Powering on the Aethalometer Connect instrument to AC power and turn on The instrument has two power on switches one on the rear panel Figure 8 top and another on the front inside the door on the right Figure 8 bottom Set both switches
16. 70 Teledyne Advanced Pollution Instrumentation Model 633 Aethalometer Black Carbon Monitor User Manual Example 2 If you are using Hyper Terminal just write following command AE33 D1 and press enter this should add CR character at end of command Example 3 AE33 T20120110120000 CR will synchronize the time on the Aethalometer to 10 Jan 2012 noon Note Hyper Terminal may experience problems when sending the string more than two consecutive identical numbers 111 for example 4 6 External Devices Several external devices are supported for data logging using the Aethalometer Before use the connection with the selected device should be enabled using External device button on the Operation Advanced tab Select the device connected to the certain COM port and click Connect Aethalometer will try to connect to the device every few seconds When connected the status will go green Supported devices AMES_TPR159 dedicated ambient temperature pressure relative humidity sensor used for flow reporting at ambient conditions Comet_T0310 temperature sensor Vaisala_GMP343 CO2 sensor TSI_4100 mass flowmeter Remote_Access the selected port is waiting for communication with the data logger 07645A DCN6170 45 Model 633 Aethalometer Black Carbon Monitor User Manual Teledyne Advanced Pollution Instrumentation This page intentionally left blank 46 07645A DCN6170 5 MAINTENANCE and SERVICE Th
17. DCN6170 37 Model 633 Aethalometer Black Carbon Monitor User Manual Teledyne Advanced Pollution Instrumentation should you want the flow to be reported at 0 C or 25 C for example Optionally you can chose volumetric flow at ambient conditions to be reported To do that you need an optional weather station accessory kit available from Teledyne API part number DU0000200 This external device is connected to one of the rear RS 232 COM ports please see below Section 4 6 External devices e DATA with two sub tabs TABLE and EXPORT TABLE where raw measurement values are reported BC concentration calculated from each individual spot BC1 BC2 and the compensated BC concentration All three concentrations have the unit ng m EXPORT with selection data to be copied to USB e ABOUT features and contact information OPERATION DATA ABOUT HOME OPERATION DATA GENERAL ADVANCED LOG MANUAL BC 1542 ng m UVPM 1552 ng m3 REPORTED FLOW EPA 5 0 LPM TIMEBASE 60 s TAPE ADV LEFT Mar 11 2013 13 43 58 STATUS ime amp Date Mar 12 2013 17 05 35 Mani 2013 17 05 29 AE33 S01 0008 HOME OPERATION ll OPERATION TABLE EXPORT TELEDYNE os z ADVANCED POLLUTION INSTRUMENTATION Ref Sen 1 Sen 2 BCi BC2 k Chi 988066 799721 826094 2011 2121 0 0047 Tees ee ee 0 SSeS Black Carbon Particle Monitor Model 633 ch2 948509 718096 753251 2070 2205 0 0053 Ch3 948342 7279
18. EASUREMENT CHAMBER TAPE ADVANCE CHAMBER LIFT FLOWMETERS and MECHANISM MECHANISM SOLENOIDS MAIN COMPUTER UN ROLL TAPE TAPE LIGHT SOURCE TAPE ROLL ON TAPE SPOOL SENSOR SENSOR SPOOL DISPLAY TOUCHSCREEN ON OFF FRONT PANEL DOOR USB1 USB2 SWITCH Figure 5 Model 633 functional block diagram 14 07645A DCN6170 Teledyne Advanced Pollution Instrumentation Model 633 Aethalometer Black Carbon Monitor User Manual ENCLOSURE The Model 633 enclosure is very robust and made from sheet metal The enclosure mechanically protects the delicate inner measurement parts The dimensions of the enclosure meet the rack mount standard for the instrumentation POWER SUPPLY The power supply module is composed of the mains inlet the power supply electronics and the cooling fan Since the power supply electronics heats up it is mechanically integrated in a separated and thermally sealed area MAINS INLET The mains inlet accepts standard EU US or UK supply cords It is composed of the inlet itself the EMC filter the main fuse and the primary ON OFF switch The switch is a part of the power supply module COOLING FAN The cooling fan is also a part of the power supply module The control electronics measures the temperature of the power supply area and switches on and off the cooling fan MAIN COMPUTER The main computer processor also generates quite a lot of heat It is integrated in the power supply area so it can be cooled
19. MENT INSTALLATION 3 1 Unpacking the system 3 2 The sampling line 3 3 Powering on the Aethalometer 3 4 Filter tape installation 3 4 Manually lifting lowering chamber optical head 4 USER INTERFACE SETTINGS and OPERATION 4 1 User interface and settings 4 2 Instrument Status Single Status Condition Multiple Status Conditions 4 3 Downloading and Viewing Data Data file structure and description of the fields 4 4 Connecting to External Datalogger or PC 4 5 Serial Commands for Communication with the Aethalometer 4 6 External Devices 5 MAINTENANCE and SERVICE 5 1 Cleaning the cyclone 5 2 Leak test 5 3 Automatic flow meter calibration 07645A DCN61 70 10 11 12 13 14 21 25 25 25 27 29 36 37 37 39 40 40 40 41 43 44 45 47 48 50 51 Model 633 Aethalometer Black Carbon Monitor User Manual 5 4 Manual flow meter calibration 5 5 Manual stability test 5 5 Manual clean air test 5 6 Cleaning the optical head 5 7 Changing the bypass cartridge filter 5 8 Calibrating the tape sensor 6 TECHNICAL SUPPORT and CONTACT INFORMATION 7 SPARE PARTS LIST Teledyne Advanced Pollution Instrumentation 55 6l 61 62 65 68 71 73 07645A DCN6170 1 INTRODUCTION 1 1 Description 1542 ng m 1552 ng m REPORTED FLOW EPA 5 0 LPM TIMEBASE 60 s TAPE ADV LEFT STATUS Mar 12 2013 17 05 23 Figure 1 The Aethalometer Model 633 The Model 633 represents the Next Generation version of the real time Aethalomete
20. Pollution Instrumentation Optical head cleaning procedure 6 Alternatively use a cotton swab Ensure to clean both top and bottom of optical head Optical head bottom 7 Return the optical head first align the notched marker 8 Insert and turn to secure in place 64 07645A DCN61 70 Teledyne Advanced Pollution Instrumentation Model 633 Aethalometer Black Carbon Monitor User Manual Optical head cleaning procedure 5 7 Changing the bypass cartridge filter Bypass filter changing procedure 1 Open instrument door to access bypass cartridge filter 2 Hold down bottom fitting on one side while pulling up on cartridge fitting 07645A DCN6170 65 Model 633 Aethalometer Black Carbon Monitor User Manual Bypass filter changing procedure 3 Repeat on other side 4 Remove cartridge 5 Gently wedge small flat tool between fitting and cartridge 6 Carefully pry fittings from both ends of cartridge and dispose of used cartridge in accordance with local regulations 66 Teledyne Advanced Pollution Instrumentation 07645A DCN61 70 Teledyne Advanced Pollution Instrumentation Model 633 Aethalometer Black Carbon Monitor User Manual Bypass filter changing procedure 8 Securely slide fittings onto ends of new cartridge 9 Place new cartridge on chamber optical head ensuring that the arrow printed on the filter points to right 10 Changing the bypass cartridge filter is no
21. ad data insert the USB stick in either of the front USB ports Do not use the rear ports as they are intended for the mouse and keyboard only and not for data transfer surge protection 40 07645A DCN61 70 Teledyne Advanced Pollution Instrumentation Model 633 Aethalometer Black Carbon Monitor User Manual Go to the Data Export menu and press Export to USB The data will be stored in a text file with a header The file name is AE33_Sss nnnnn_yyyymmdd dat where ss is the production series number nnnnn is the serial number and yyyymmdd is the date for example 20120901 means 1 Sept 2012 Please make sure that the transfer is finished before removing the USB stick from the USB port on the Aethalometer You can now transfer the data file to a personal computer as any other file making note where you saved it and open it in your favorite data processing application Data file structure and description of the fields Header Date yyyy MM dd Time hh mm ss Timebase RefCh1 Sen1Ch1 Sen2Ch1 RefCh2 Sen1Ch2 Sen2Ch2 RefCh3 Sen1Ch3 Sen2Ch3 RefCh4 Seni1Ch4 Sen2Ch4 RefCh5 Sen1Ch5 Sen2Ch5 RefCh6 Sen1Ch6 Sen2Ch6 RefCh7 Sen1Ch7 Sen2Ch7 Flow1 Flow2 Flow C Pressure Pa Temperature C RH ContTemp SupplyTemp Status ContStatus DetectStatus LedStatus ValveStatus LedTemp BC11 BC12 BC1 BC21 BC22 BC2 BC31 BC32 BC3 BC41 BC42 BC4 BC51 BC52 BC5 BC61 BC62 BC6 BC71 BC72 BC7 K1
22. and operation The instrument must be protected against unqualified use UNAUTHORISED instrument access and operation can be dangerous The instrument can only be operated by persons who can ensure proper handling due to their qualification technical skills and practical experience Electric shock CHECK the mains power supply cord ANNUALLY If the supply cable is DAMAGED sto using the equipment and contact your authorized representative 07645A DCN6170 21 Model 633 Aethalometer Black Carbon Monitor User Manual Teledyne Advanced Pollution Instrumentation Fire and explosion NEVER install the instrument in explosion risk areas and never use the equipment near flammable substances Instrument overheating ALWAYS assure the instrument operates under proper operating ambient conditions NEVER install the instrument in spaces with limited air circulation UV radiation 633 light source contains an ultraviolet UV light emitting diode LED The LED radiates UV and visible light during operation Precautions must be taken to prevent looking directly at the UV light with unprotected eyes NEVER touch or look directly into the Model 633 light source UV LED radiation Do not stare into light source 22 07645A DCN61 70 Teledyne Advanced Pollution Instrumentation Model 633 Aethalometer Black Carbon Monitor User Manual Instrument service and repair UNAUTHORISED instr
23. arbon Monitor User Manual Teledyne Advanced Pollution Instrumentation Tape direction is from bottom left to right 32 07645A DCN61 70 Teledyne Advanced Pollution Instrumentation Model 633 Aethalometer Black Carbon Monitor User Manual Insert the new tape roll on the left side of the chamber and run the tape under the left guide arm Slide the tape under the optical head then run it under the right guide arm and install the empty roll on the right There may be some slack in the tape 07645A DCN6170 33 Model 633 Aethalometer Black Carbon Monitor User Manual Teledyne Advanced Pollution Instrumentation Ensure the tape is taut between the two sides Replace the transparent tape retention disks Close the door and press TAPE CHANGE PROCEDURE OK on the display screen Chamber removed Change tape When finished press OK OK Cancel 34 07645A DCN6170 Teledyne Advanced Pollution Instrumentation Model 633 Aethalometer Black Carbon Monitor User Manual The next Tape Change Procedure screen prompts you to wait for the chamber to return to home position The next screen provides notice when the tape change procedure is finished Press OK Figure 10 Changing filter tape 07645A DCN6170 35 Model 633 Aethalometer Black Carbon Monitor User Manual Teledyne Advanced Pollution Instrumentation 3 4 Manually lifting lowering chamber optical head In case the instrument is turne
24. bout the user interface press Stop to stop measurements If the instrument is powered OFF for this procedure see Section 3 4 Manually lifting lowering chamber optical head Press Change Tape and follow instructions you will need a fresh roll of filter tape and some adhesive tape For details please see below In the Operation General menu press Stop to stop measurements then in the Operation Advanced menu press Change Tape In the Operation Advanced menu press Change Tape 07645A DCN6170 29 Model 633 Aethalometer Black Carbon Monitor User Manual Teledyne Advanced Pollution Instrumentation The first Tape Change Procedure screen is displayed while the chamber lifts then the second Tape change Procedure screen is displayed with a prompt to change tape TAPE CHANGE PROCEDURE Chamber removed Change tape When finished press OK Start changing filter tape First remove the transparent tape retention disk on the left then on the right 30 07645A DCN61 70 Teledyne Advanced Pollution Instrumentation Slide tape from beneath the optical chamber and remove the used tape Keep the empty roll for use with new replacement tape Using transparent tape attach end of new tape to empty roll Center carefully for even alignment 07645A DCN6170 Model 633 Aethalometer Black Carbon Monitor User Manual 31 Model 633 Aethalometer Black C
25. d off the chamber can be lifted manually as follows Stop measurements first Operation gt General gt Stop Note the retention pin at the top of the chamber optical head Grasp the optical head securely in both hands with fingers at bottom and thumbs on top pressing retention pin down and raising optical head up Figure 11 Manually Lifting the Chamber Optical Head ATTENTION If the chamber is lifted while instrument is operating STOP button not pressed it is not possible to restart the measurement without cycling the instrument power Flip both power switches to OFF then flip each to ON 36 07645A DCN61 70 Teledyne Advanced Pollution Instrumentation Model 633 Aethalometer Black Carbon Monitor User Manual 4 USER INTERFACE SETTINGS and OPERATION 4 1 User interface and settings There are four 15t level menu tabs in the touch screen user interface HOME OPERATION DATA and ABOUT Figure 12 described as follows e HOME with the following parameters o BC the measured values for Black Carbon measured at 880 nm UVPM UV particulate matter calculated at 370 nm REPORTED FLOW measured flow in LPM TIMEBASE timebase setting in seconds TAPE ADV LEFT the amount of remaining tape in STATUS instrument status green all OK yellow check status and red stopped with a Status Condition see 4 2 Instrument Status o Bottom of HOME screen shows date and time OD Or O O Not
26. e The BC and UVPM values will typically be similar but not exactly the same If aromatic compounds are present in the sampled air such as when sampling fresh wood smoke for example the UVPM concentration will exceed the BC mass concentration value significantly depending upon the amount and type of organic material present e OPERATION with four sub tabs GENERAL ADVANCED LOG and MANUAL GENERAL where one can change the settings o Flow LPM see Note below on flow reporting standard o TimeBase seconds o select one of three radio buttons TA ATNmax maximum attenuation at which the Aethalometer advances tape TA INT the time interval at which the Aethalometer advances tape hours TA Time the time at which the Aethalometer advances tape o Start Stop Stability Clean air and Change Tape buttons ADVANCED with all parameters which can be set in the Aethalometer LOG with the last operational reports of status parameter changes data download MANUAL with basic commands to operate hardware solenoids pump chamber TA Note flow reporting standard These are the pressure and temperature which the instrument uses to report flow and sample volume By choosing to report mass flow 101325 Pa 21 11 C are used to convert the measured mass flow to reported volumetric flow at these conditions these are values used by the flow meter in the Model 633 These values can be substituted for any other pressure Temp values 07645A
27. e Aethalometer needs to be maintained regularly We recommend the following schedule for regular maintainance Clean cyclone Weekly at first to gauge debris accumulation then adjust as needed 5 1 Cleaning the cyclone Verify time and date if not set to update automatically Monthly Time amp Date in OPERATION gt GENERAL page Inspect optical chamber clean if necessary Semi annually Section 5 6 Cleaning the optical head Site dependent use educated judgement Check flow calibrate if necessary Semi annually or as Section 5 2 Leak test needed For calibration Section 5 3 Automatic flow meter calibration or Section 5 4 Manual flow meter calibration Change by pass cartridge filter Annually or as Section 5 7 Changing the bypass cartridge filter needed Install a new filter tape roll As needed The instrument Section 3 4 Filter tape installation issues a warning Calibrate tape sensor When measurement chamber has been Section 5 8 Calibrating the t Section alibrating the tape sensor removed replaced 07645A DCN6170 47 Model 633 Aethalometer Black Carbon Monitor User Manual Teledyne Advanced Pollution Instrumentation 5 1 Cleaning the cyclone Remove the cyclone and disassemble shown in the following instructions cleaning the various parts thoroughly The recommended cleaning method is immersion in an ultrasonic cleaner with water and mild soap However wiping with a water dampened and
28. ent noise level under actual operating conditions of actual flow i e a dynamic test The point to point variation for the wavelength 370 nm at the time base set to one second is about 125 ng m3 which translates to a couple of ng m3 at 1 minute time resolution Figure 4 10 07645A DCN61 70 Teledyne Advanced Pollution Instrumentation Model 633 Aethalometer Black Carbon Monitor User Manual 2500 2000 T Bii aili Meal ia od 1500 a Point to point variation 1 second B ma ea E e Wi 0 l 14 30 00 14 35 00 14 40 00 4 4500 500 E 1 second time base 30 per Mov Avg 1 second time base im a 15 05 00 15 10 00 Figure 4 Zero air check the Model 633 Aethalometer switches from sampling ambient air to filtered air 1 second time resolution point to point variation is very stable The response of the optical detectors of the Model 633 Aethalometer may be verified using a standard kit of Neutral Density optical filters These are glass elements with a range of known and stable optical absorptions from light to dark which are traceable from manufacturing records back to primary standards When these are inserted into the Model 633 Aethalometer its photodetectors will give a certain output signal The stability and reproducibility of the relationship between optical signal and ND Filter density from one validation test to another and the comparison with the
29. eparates the instrument from the external air system CRC The CRC also called muffler is a filter used to decrease the noise in the airflow which is created by mechanical rotation of the pump AIR PUMP The air pump pumps the measured air through the inlet connector directly to the measurement chamber It is one of the main components in the system 16 07645A DCN61 70 Teledyne Advanced Pollution Instrumentation Model 633 Aethalometer Black Carbon Monitor User Manual FLOWMETERS Two flow meters measure the airflow in different points in the system One of them is used also in the air flow regulation loop SOLENOID VALVES Three solenoid valves are used to switch the airflow through different airflow paths when the instrument is set in different operating modes like measure tape advance or similar CHAMBER LIFT MECHANISM The chamber lift mechanism allows the measurement chamber to be lifted manually or electromechanically During tape advance the automated chamber lift procedure is invoked During tape replacement the manual chamber lift procedure can be engaged The manual chamber lift mechanism features also a special locking mechanism which simplifies the tape replacement or chamber cleaning procedure The main electronic components of the chamber lift mechanism are the stepper motor and the chamber lift position sensor TAPE ADVANCE MECHANISM The advance mechanism allows the instrument to perform automatic tape advances d
30. er does not match the reported flow on the front panel of the 633 This is normal due to leakage around the filter tape as discussed in Section 5 2 The difference in flow may be from 4 7 and the 633 compensates for this difference during the BC calculation 54 07645A DCN6170 Teledyne Advanced Pollution Instrumentation Model 633 Aethalometer Black Carbon Monitor User Manual 5 4 Manual flow meter calibration First ensure that a leak test is completed Section 5 1 prior to running this calibration procedure For the manual calibration a flow meter data cable and the flow calibration pad are needed Please note flow measurements are in Milliliters and maximum flow rate should be no greater than 5 LPM 5 000 milliliters Manual flow calibration procedure 1 STOP measurements in the OPERATION gt GENERAL menu 2 Inthe OPERATION gt ADVANCED menu press FLOWCAL 3 Select MANUAL to start the manual flow calibration 07645A DCN6170 55 Model 633 Aethalometer Black Carbon Monitor User Manual Teledyne Advanced Pollution Instrumentation Manual flow calibration procedure 4 Wait for the measurement chamber to move to the up position 5 Remove tape and insert the flow calibration pad note the orientation of the flow pad is critical and press OK and wait for the chamber to return to home position 6 Connect the flow meter to the inlet of the Aethalometer note the orientation of the flow meter t
31. hen press OK 56 07645A DCN6170 Teledyne Advanced Pollution Instrumentation Model 633 Aethalometer Black Carbon Monitor User Manual Manual flow calibration procedure 7 Wait for the pump to run for several seconds to achieve a stable flow 07645A DCN6170 57 Model 633 Aethalometer Black Carbon Monitor User Manual Teledyne Advanced Pollution Instrumentation Manual flow calibration procedure 8 In the display s blank FLOW field enter the flow value from your flow meter measured in or converted to milliliters this will be approximately 900 tap screen in Flow field used screen keyboard to enter numbers and click Enter Also enter the EPA standard temp and pressure of 25 C and 1 atmosphere or 101325 Pa and select OK Flow mipm 9 Wait for the pump to run for several seconds to achieve a stable flow 58 07645A DCN6170 Teledyne Advanced Pollution Instrumentation Model 633 Aethalometer Black Carbon Monitor User Manual Manual flow calibration procedure 10 In the display s blank FLOW field enter the flow value from your flow meter measured in or converted to milliliters this will be approximately 3000 do NOT change the pressure or temperature settings and select OK 11 Wait for the pump to run for several seconds to achieve a Stable flow 12 In the display s blank FLOW field enter the flow value from your flow meter measured in or converted to milliliters this wil
32. l be approximately 5000 do NOT change the pressure or temperature settings and select OK 07645A DCN6170 59 Model 633 Aethalometer Black Carbon Monitor User Manual Manual flow calibration procedure 13 The screen displays a message Wait for calibration to finish and then displays notice when the calibration is finished and prompts user to wait for next steps 14 Remove the flow calibration pad reinsert and tighten tape and press OK and wait for the chamber to return to home position After completion of manual or automatic flow calibration and the instrument is returned to operation mode note that the intake flow reported from a flow meter does not match the reported flow on the front panel of the 633 This is normal due to leakage around the filter tape as discussed in Section 5 2 The difference in flow may be from 4 7 and the 633 compensates for this difference during the BC calculation Teledyne Advanced Pollution Instrumentation There will be some faults present on the unit after the flow calibration is complete To remove the faults power down the instrument with both the front and back power switches and then re start and allow it to cycle through the self test The manual flow calibration is now complete To resume taking measurements go to the OPERATION gt GENERAL tab and press Start 60 07645A DCN61 70 Teledyne Advanced Pollution Instrumentation Model 633 Aethalometer
33. lint free cloth is sufficient IMPORTANT Protracted soaking in soap caustic solutions will damage the aluminum components Do not re aerosolize hazardous materials when using compressed air for cleaning Cyclone cleaning procedure 1 Remove cyclone assembly from instrument 2 Remove inlet cover 48 07645A DCN61 70 Teledyne Advanced Pollution Instrumentation Model 633 Aethalometer Black Carbon Monitor User Manual 3 Loosen the three set screws that hold the inlet body in place 4 Remove inlet body 5 Remove dust cup 6 Illustration shows inlet cover inlet body and dust cup removed 07645A DCN6170 49 Model 633 Aethalometer Black Carbon Monitor User Manual Teledyne Advanced Pollution Instrumentation 7 Remove allen cap screws from cyclone top 8 Clean all parts and thoroughly dry then reassemble in reverse order 5 2 Leak test Always conduct a leak test prior to running a flow meter calibration whether automatic section 5 2 or manual section 5 3 Leakage is measured during instrument operation It is calculated from the flow in Fin and flow out Fout 1 Fin Fout Average leakage is 7 at 5 LPM It can differ slightly from spot to spot and during the spot loading Flow measurement using a mass flow meter for example TSI4100 1 Connect the flow meter to the input of the instrument 2 Wait for a few seconds for the flow to stabilize and read the flow Fin
34. m all necessary operations for proper functioning of the instrument USB CONNECTORS front panel The two USB ports on the front panel door can be used to connect a keyboard mouse or a USB key for data download or data upload STATUS LEDS The red yellow and green status LEDs show the correct or incorrect operation of the instrument This status is replicated on the screen with the Status Condition see 4 2 Instrument Status DOOR KNOB The door knob is used to open the front panel door 18 07645A DCN61 70 Teledyne Advanced Pollution Instrumentation Model 633 Aethalometer Black Carbon Monitor User Manual ON OFF SWITCH The secondary ON OFF switch is located behind the front door It is electrically connected in series with the primary ON OFF switch which is located at the back of the instrument next to the mains inlet Both switches must be set to ON to power up the instrument but either one can be set to OFF to power down the instrument 07645A DCN6170 19 Model 633 Aethalometer Black Carbon Monitor User Manual Teledyne Advanced Pollution Instrumentation This page intentionally left blank 20 07645A DCN61 70 2 SAFETY NOTES and LABELS CAUTION READ THIS CHAPTER VERY CAREFULLY BEFORE OPERATING THE INSTRUMENT Instrument operation Read this Users manual BEFORE operating the instrument INCORRECT instrument operation can be DANGEROUS for the operator Ln Unauthorised instrument access
35. measured 8 07645A DCN61 70 Teledyne Advanced Pollution Instrumentation Model 633 Aethalometer Black Carbon Monitor User Manual It is clear that the effect when present is linear with loading ATN This can be represented as BC reported BC zero loading 1 k e ATN where BC zero loading is the desired ambient BC value that would be obtained in the absence of any loading effect and k is the loading compensation parameter similar to Virkkula 2007 The analysis of a large number of datasets from a wide variety of locations shows that this relationship is linear in all cases studied but with different values of k It is therefore possible to eliminate the loading effect of k by making two simultaneous identical measurements BC1 and BC2 at different degrees of loading ATN1 and ATN2 BC1 BC 1 k eATN1 BC2 BC 1 k eATN2 From these two linear equations we may calculate the loading compensation parameter k and the desired value of BC compensated back to zero loading The Model 633 Aethalometer analyzes the Black Carbon component of aerosols on two parallel spots drawn from the same input stream but collected at different rates of accumulation i e at different values of ATN By combining the data according to the above equations the Model 633 yields the value of BC extrapolated back to zero loading as well as a real time output of the loading compensation parameter
36. original factory values is a measure of the consistency of performance of the instrument s optics 1 1 3 User and Communications Interfaces The Model 633 Aethalometer incorporates the following user data and communications features e 21 cm 8 25 color graphics touch screen for data display and local user interface e USB ports for insertion of a memory stick for local data download e USB ports for connection of a keyboard if necessary for initial setup of parameters such as station identification e RS 232 COM ports for data transmission from auxiliary instruments or to the digital datalogger Ethernet port installed for future software implementation 07645A DCN6170 11 Model 633 Aethalometer Black Carbon Monitor User Manual Teledyne Advanced Pollution Instrumentation 1 1 4 Modular Construction The Model 633 Aethalometer is constructed with a modular design so that sub units may be easily serviced The only item requiring attention in routine use is cleaning of the optical insert to remove accumulated dust or other contamination which may be brought in with the sample air stream The optical chamber is attached with a bayonet fitting for quick removal easy cleaning and reliable re assembly The entire instrument is hermetically sealed to reduce the entry of dust 12 07645A DCN61 70 Teledyne Advanced Pollution Instrumentation Model 633 Aethalometer Black Carbon Monitor User Manual 1 2 Technical Specifications O
37. peration Supply voltage 100 240 V 50 60 Hz Max power consumption 90W Measurement wavelengths 370 470 525 590 660 880 and 940 nm Air flow adjustable 2 3 4 and 5 LPM Environmental operating conditions e Indoor use e Altitude up to 3000 m with internal pump other configurations possible e Temperature range 10 40 degrees Celsius instrument e Relative humidity range non condensing Mechanical specification e Chassis material sheet metal e Front plate material plastic e Dimensions standard 19 6U rack mount e Weight approx 20 kg Connectors e Sampling air inlet outlet type 1 4 NTPF e Communication 3x USB type A 3x RS 232 COM 1x Ethernet User interface e 8 4 SVGA display with LED backlight Basic control touch screen Optional control standard PC keyboard and mouse Red Yellow Red status LEDs Data storage capacity 10 years at 1 minute intervals 07645A DCN6170 13 Model 633 Aethalometer Black Carbon Monitor User Manual Teledyne Advanced Pollution Instrumentation 1 3 Functional Description The Model 633 features modular design and is composed of several subsystems which are so interconnected that most simple and safe handling of the instrument is possible Presented here are a functional block diagram followed by a flow diagram MAINS COOLING BACK AIR AIR INLET PANEL Ethernet COM1 COM2 COM3 USB3 INLET OUTLET SUPPLY BOARDS BALL Es M
38. r rack mount instrument to measure Black Carbon BC particles in air Please refer to the original Magee Scientific Aethalometer manual for a full description and background information on the method http mageesci com images stories docs Aethalometer_book_2005 07 03 pdf The Model 633 Aethalometer incorporates scientific and technical advances designed to offer improved measurement performance versus previous versions of the Aethalometer and other BC instruments user features communications and interface and the ability to perform routine performance tests to verify correct operation Most importantly the instrument incorporates the patented DualSpot measurement method This provides two significant advantages elimination of the changes in response due to aerosol loading effects and a real time calculation of the loading compensation parameter which offers insights into aerosol optical properties and has been interpreted in models of aerosol origins and aging 07645A DCN6170 5 Model 633 Aethalometer Black Carbon Monitor User Manual Teledyne Advanced Pollution Instrumentation The Model 633 Aethalometer has been developed with input from the research and monitoring communities and is designed for reliable operation under all conditions ranging from state of the art research to compliance monitoring The leading innovations incorporated into the Model 633 include e The DualSpot measurement method which solve
39. ration before pressing OK 5 Last screen shows that the adj ustment Tape adjustn cr i comple is complete RE A EAN cancel ra 6 After you ve pressed either OK or Cancel return the sampling tape per the applicable steps in Section 3 4 Filter tape installation 07645A DCN6170 69 Model 633 Aethalometer Black Carbon Monitor User Manual Teledyne Advanced Pollution Instrumentation This page intentionally left blank 70 07645A DCN61 70 6 TECHNICAL SUPPORT and CONTACT INFORMATION If this manual and its troubleshooting amp service section do not solve your problems technical assistance may be obtained from Teledyne API Technical Support 9480 Carroll Park Drive San Diego California 92121 5201USA Toll free Phone 800 324 5190 Phone 858 657 9800 Fax 858 657 9816 Email sda_techsupport teledyne com Website http www teledyne api com 07645A DCN6170 71 Model 633 Aethalometer Black Carbon Monitor User Manual Teledyne Advanced Pollution Instrumentation This page intentionally left blank 72 07645A DCN61 70 7 SPARE PARTS LIST Following is a list of spare parts available for order through the Sales Department DU0000146 DU0000196 TU0000034 DU0000148 KITOO000400 WROOOO0008 WR0000101 WR0000258 FT0000338 07645A DCN6170 Filter Tape for 633 Flow calibration pad Static dissipative inlet tubing 8 ft PM2 5 inlet at 5 Ipm Inlet mounting kit Power Cord RS 232 Cable 6 ft RS
40. s the effects common to all filter based real time monitors in which the instrumental response factor shows a dependence on the loading of material on the filter e Features for automatic dynamic zero testing under a flow of internally generated clean air span testing of the response of the optical sources and detectors calibration of the response of the internal mass flow meters if an external standard flow calibrator is connected and validation of the photometric response by use of a kit of Neutral Density optical filters whose properties may be traced to reference standards e User and communications interfaces permitting remote monitoring of operation data retrieval performance of internal tests and reporting of state of health parameters e Modular construction designed for ease of routine maintenance service In addition to the above features the Model 633 Aethalometer offers real time aerosol absorption analysis at up to seven optical wavelengths with rapid time resolution to 1 second even in multiple wavelength mode This permits the measurement of optically absorbing aerosols Black Carbon and Brown Carbon components of particulate matter in applications including routine monitoring of ambient air quality for regulatory purposes measurements of the concentration of BC in urban suburban regional rural and remote locations source testing and laboratory based research 1 1 1 DualSpot
41. short transient due to filter compression Point to point variation of BC PPBC is calculated as an average absolute difference between the consecutive BC measurements It depends on the selected timebase flow and tested channel For example PPBC61 approx 500 ng m at 5 LPM and 1s timebase 07645A DCN6170 61 Model 633 Aethalometer Black Carbon Monitor User Manual 5 6 Cleaning the optical head Optical head cleaning procedure 1 STOP measurements in the OPERATION gt GENERAL menu 2 Manually lift the chamber pressing down the retention pin at top front center 3 Locate the release button 62 Teledyne Advanced Pollution Instrumentation HOME OPERATION DATA ABOUT es zj eT tTSerere ir oe ADVANCED LOG MANUAL T 60 Ej s 5 Hmm EPA Flow Flow Rep Std P 101325 Pa T 25 C E iiia 120 maint adh ND TA Time Mar 11 2013 13 43 58 1 e amp Date D Mar 12 2013 17 09 33 07645A DCN6170 Teledyne Advanced Pollution Instrumentation Model 633 Aethalometer Black Carbon Monitor User Manual Optical head cleaning procedure 4 While pressing the release button upward grasp optical head and turn to loosen and remove 5 Use compressed air AVOID spraying liquid or to remove dust debris from the optical head surfaces and platform E Optical head platform 07645A DCN6170 63 Model 633 Aethalometer Black Carbon Monitor User Manual Teledyne Advanced
42. the system Take the instrument out of the box and place it on an even surface Keep the back of the instrument accessible Remember to remove protective caps on the inlet and exhaust ports before operation Inlet port Turn FRONT and BACK switches ON Exhaust port Figure 6 Remove protective caps on the rear panel of the instrument before switching it on 3 2 The sampling line The instrument is supplied with several meters of black conductive sample line tubing designed to minimize electrostatic particle losses in the sampling system Keep the sampling line as short as possible Do not attempt to substitute the sampling tubing with tubing from a different material If substituting the supplied tubing with tubing from other material please consult the instrument supplier for details When installing the sample line try to avoid sharp bends or long horizontal runs with the sample tubing as either of these conditions can promote particle losses in the sample tube Insulate the sample lines inside the instrument shelter and avoid exposing them to direct 07645A DCN6170 25 Model 633 Aethalometer Black Carbon Monitor User Manual Teledyne Advanced Pollution Instrumentation exhaust from the HVAC unit this can lead to condensation inside the sample line tubing and can damage the instruments and interfere with the measurement 1 Thread the supplied fitting onto the Sample Inlet port on the rear panel of the Aethalometer Figure
43. to the ON position Turn FRONT and BACK switches ON Figure 8 Power on switches rear panel top photo and front inside the door on the right bottom photo Upon start up the instrument will proceed through an initialization period which can take up to 5 minutes Figure 9 Various subunits are tested during this period and test results are 07645A DCN6170 2 Model 633 Aethalometer Black Carbon Monitor User Manual Teledyne Advanced Pollution Instrumentation indicated by green check boxes for each step The instrument will automatically begin measurements as quickly as initialization is complete if the touch screen display remains untouched during the process WELCOME TO AETHALOMETER START COMMUNICATION INSTRUMENT DATA STORAGE CONFIGURATION SETTINGS VALVES CHAMBER PUMP amp FLOW DEVICE MONITORING IAIA ATS Start Prograrn will autostart in 1 s Figure 9 The initialization screen with test results Note that the green spot with a checkmark in its center means that the corresponding system is functioning properly If there is any kind of error either a red spot with an x mark or a yellow spot with an exclamation mark will appear in that case please contact Technical Support 28 07645A DCN6170 Teledyne Advanced Pollution Instrumentation Model 633 Aethalometer Black Carbon Monitor User Manual 3 4 Filter tape installation In the Operation General menu Section 4 provides information a
44. ument service and repair procedures are NOT ALLOWED The instrument can only be serviced repaired or modified by authorized persons Please contact your authorized representative if you have any problems with the instrument Please make sure to have the equipment checked regularl for technical safety This unit is to be serviced by trained personnel only Hazardous voltage This unit is to be serviced by trained personnel only 07645A DCN6170 23 Model 633 Aethalometer Black Carbon Monitor User Manual Teledyne Advanced Pollution Instrumentation Moving parts During AUTOMATIC tape advance procedure the measurement chamber is lifted by a motorized chamber lift mechanism To prevent any injuries to your fingers NEVER squeeze your hands or fingers into ANY mechanical apertures DURING automated tape advance procedure During MANUAL chamber lift procedure ALWAYS use the chamber lift locking mechanism To prevent any injuries to your hands or fingers NEVER squeeze our hands or fingers into ANY mechanical apertures BEFORE manually liftin the chamber During filter tape replacement procedure precaution must be taken to prevent unintentional injuries to your hands or fingers A DANGER Moving parts Watch your hands and fingers 24 07645A DCN61 70 Teledyne Advanced Pollution Instrumentation Model 633 Aethalometer Black Carbon Monitor User Manual 3 INSTRUMENT INSTALLATION 3 1 Unpacking
45. under atmospheric conditions of high chemical activity and oxidative processing may show an almost zero effect The effect is revealed statistically by processing data collected over a large number of tape advances representing many data points collected at loadings ATN values ranging from zero to the preset maximum The data is collected into bins according to loading attenuation ATN If there is a systematic reduction of the calculated result as a function of loading the data will show a clear negative slope with the intercept representing the zero loading value Figure 2 illustrates two datasets from urban locations with loading effects either present or not 07645A DCN6170 7 Model 633 Aethalometer Black Carbon Monitor User Manual Teledyne Advanced Pollution Instrumentation London Oct Dec 2006 Figure 2 Aethalometer data sorted and averaged according to loading attenuation ATN on spot roadside location in London UK top urban site in Boston Roxbury USA bottom The London data show a systematic reduction at increasing loadings while the Boston data do not This demonstrates that any method intended to compensate for the spot loading effect must be auto adaptive and able to adjust dynamically to different situations An instrument based on firmware with a fixed loading non linearity parameter will not operate correctly at all locations The loading non linearity parameter must be
46. uring measurements The main electronic parts of the tape advance mechanism are a stepper motor and the two tape sensors ROLL ON and UN ROLL TAPE SPOOLS The roll on and the un roll tape spools hold the measurement tape During automated tape advance the tape unrolls from the un roll spool and rolls on the roll on spool If the un roll spool is empty the event is detected automatically thanks to the tape sensors The tape replacement procedure must be performed manually by the operator The measurement tape is one of the main parts of the system TAPE SENSORS The two tape sensors are used by the instrument software to detect the amount of tape on the un roll and roll on spools 07645A DCN6170 17 Model 633 Aethalometer Black Carbon Monitor User Manual Teledyne Advanced Pollution Instrumentation LIGHT SOURCE The light source integrates groups of LEDs of different light wavelengths It is one of the main parts of the system DETECTOR The detector detects what amount of light passes through the measurement tape A special algorithm is used to calculate the black carbon concentration using the information from the detector and the flow meter FRONT PANEL DOOR The front panel door can be opened which allows the access to the instrument for tape replacement or chamber cleaning DISPLAY and TOUCH SCREEN The display and the touch screen are the main user interfaces of the instrument Using this interface the operator can perfor
47. used to convert the measured mass flow to reported volumetric flow at these conditions these are values used by the flow meter in the AE33 These values can be substituted for any other pressure Temp values should you want the flow to be reported at 0 C or 25 C for example Optionally you can choose volumetric flow at ambient conditions to be reported To do that you need an optional weather station accessory for the pressure Temp measurement We offer this separately PN DU00000200 This external device is connected to the COM ports please see below ContTemp SupplyTemp control and power supply board temperatures Status ContStatus DetectStatus LedStatus ValveStatus LedTemp status codes for the instrument reported in the please see manual chapter 5 2 and the subcomponents controller detector LED board valve status each valve can be on or off LED board temperature BC11 BC12 BC1 BC21 BC22 BC2 BC31 BC32 BC3 BC41 BC42 BC4 BC51 BC52 BCS BC61 BC62 BC6 BC71 BC72 BC7 BC11 is the uncompensated BC calculated from the spot 1 for channel 1 BC1 is the final results the BC calculated form measurements for channel 1 370 nm 42 07645A DCN6170 Teledyne Advanced Pollution Instrumentation Model 633 Aethalometer Black Carbon Monitor User Manual K1 K2 K3 K4 K5 K6 K7 K_i are the compensation parameters for wavelengths i 1 7 TapeAdvCount TapeAdvCount tape advances since start
48. w complete 07645A DCN6170 67 Model 633 Aethalometer Black Carbon Monitor User Manual Teledyne Advanced Pollution Instrumentation 5 8 Calibrating the tape sensor Tape sensor calibration is performed at the factory and should only be conducted when removing the Measurement chamber from to the Aethalometer This procedure requires special calibration cylinders the small cylinder has diameter of 39 mm the large cylinder has a diameter of 102 mm NOTE It is essential to secure the calibration cylinders with the tape retention disks during calibration Tape sensor calibration procedure 1 In the Operation General menu press Stop to stop measurements then carefully remove the sampling tape Refer to Section 3 4 Filter tape installation At this point remove the tape as instructed in the Change Tape Procedure then continue as follows 2 In the Operation Advanced menu press TapeSenAdj 68 07645A DCN61 70 Teledyne Advanced Pollution Instrumentation Model 633 Aethalometer Black Carbon Monitor User Manual Tape sensor calibration procedure 3 The Tape Sensors Adjustment screen prompts to place the small tapeholder cylinder on left and large on right then press OK Secure with tape retention disks not shown in illustration before pressing OK 4 The next prompt is to switch the tapeholders cylinder then press OK Secure with tape retention disks not shown in illust

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