UCB Particle Monitor User Manual
Contents
1. Electric Humidity PhotoElectric Ionization Exit Show Log gt gt connected P3uc1137 firmware ver 58b Back Next l 4 6 Select Save o Append the household ID for example 001 onto the suggested filename o Select the proper data directory for example New Data_UCB PM and select Save www berkeleyair com Page 9 of 21 BERKELEY AIR E MONITORING GROUP UCB Particle Monitor User Manual Version 8 0 Dec 2010 O A window will appear confirming that the data has been saved the filename under which it has been saved and the settings for the measurement period 4 7 Select Exit 4 8 Open the file in the UCB Data Browser and check that the graph appears ok O O www berkeleyair com The period of logging should begin and end at the correct times according to your sampling form The graph should show a typical pattern of peaks and valleys it should not simply be a straight horizontal line or a mass of vertical lines 4 8 1 Ifthe graph appears ok check the Yes box on the sampling form labeled Graph ok 4 8 2 If the graph does not appear ok it may be due to a low voltage battery lower than 7 5 volts or a circuit board that is not properly snapped into the monitor base see Section C 1 Cleaning the Photoelectric Chamber If the problem persists do not use this monitor Page 10 of 21 BERKELEY AIR E MONITORING GROUP UCB Particle Monito2. these notes can be appended to the filename when saving the data Use Cached Settings Use Last Settings Cache Current Settings Exit Hide Log lt Back Launch Help connected P3uc1 201 firmware ver 59c A Flush Get Attention OK Command Echo P2 Ais Output from ReadSensor 1 257 a360 1 Flush Get Attention OF Command Echo P2_ER Flush OF Get Attention OF Command Echo P2_5C Output Time Echo 144574301009 Set Clock OF_5C_14 45 14 30 10 09 1 15 Record the launch information on the Sampling Data Form UCB Sampling Data Form or other www berkeleyair com Page 6 of 21 BERKELEY AIR E MONITORING GROUP UCB Particle Monitor User Manual Version 8 0 Dec 2010 2 Zeroing the Monitor 2 1 2 2 2 3 2 4 20 Locate a clean environment for the zeroing period for example the office or a clean area of a lab If such a location is not available perform the zeroing in the field location in a household Do not attempt to zero the monitor in the presence of large amounts of smoke or dust in the air Place the launched UCB Particle Monitor in a 1 liter Ziploc bag or if available a particle free bag Make sure the bag does not have any holes Seal the Ziploc bag and place it in a location where the monitor will not be moved or disturbed Record this initial ore sampling zeroing start time on the UCB PM Sampling Data Form After a period of at least 20 30 minutes record
3. http www timeanddate com worldclock If an internet connection is not available another reliable time source such as a radio can be used e The computer clock time should be checked at the start of every launching and downloading session www berkeleyair com Page 3 of 21 BERKELEY AIR E MONITORING GROUP UCB Particle Monitor User Manual Version 8 0 Dec 2010 B Standard Operating Procedure Protocol 1 Launching the UCB Particle Monitor 1 1 Make sure the UCB Particle Monitor contains a 9 volt battery and that the battery door is closed A new 9 volt battery will last for approximately four 24 hour launches Make sure the battery has at least 7 5 volts Note that even more battery voltage is required for 48 hour operation or longer 1 2 Connect the monitor to your computer using a USB serial cable A 9 pin serial cable can be used instead if your computer has a 9 pin male COM port 1 3 Open the UCB Monitor Manager software by double clicking on the desktop icon 1 4 Click on Show Log and then select Next If there is a problem e Check the battery The green LED blinking light becomes red when the monitor s battery voltage is less than or equal to 7 5 volts e Ifthe battery is okay close UCB Monitor Manager and begin again at 1 1 above e lf this doesn t work reboot the computer and begin again at 1 1 e Additional troubleshooting tips are given in Monitor Maintenance section C 3 Welcome to th
4. lt min lt 0 075 This minimum concentration is labeled min and shown in the column of Statistics on the right side of the window If the minimum concentration is in this range proceed to 5 7 If it is not continue to 5 6 1 below 3 www berkeleyair com Page 11 of 21 BERKELEY AIR E MONITORING GROUP UCB Particle Monitor User Manual Version 8 0 Dec 2010 E UCB Particle Monitor Data Browser C Documents and Settings quickbooksWesktopWCB_1044_TN_TVL_TPR E BR ag pie Edt Window Help ew Hose Device Id Show Acs cooing Penod Type Photoelectnia mgri 3 Fascia E Moss C Voli brat Update calculations Shalt Parod 2A201000 rahal carang Fienod Semple Fenod to 2308 2008 08 30 00 av 1o 0n00 saa 1 00 00 SS 24 05 2009 14 53 10 24 03 2009 14 5210 Zero Sial Zerr Erd Jampie Sial Sample Erri ath mean 0 405 geo mean DIH hd dav 2 feb geo dd dev 2 461 madan 0 02 Taha 092 Sth a 1 075 Chanak Active Show i PhaoE isdie Co m Temperature Cf lomain 0 31 00 21 00 00 03 00 00 13 52 00 F Humidity eens maa _JL aon ______ Limit of Detection LOD Calculation Method z select Manual input from the LOD Night calculation hours Manual input Calculation Method drop down menu Soo WEP e If you have other 24 hour UCB PM data aa well os from the same sampling location i e the Sed Ee same kitchen household you can enter of Differenc
5. Sampling form Note that it is essential to record the actual sampling times on the sampling form as these times are required for data processing 3 4 If possible place the monitor in a Ziploc bag to begin a final post sampling zeroing period leaving the monitor in the bag for at least 20 minutes Record the final post sampling zeroing start and end times on the Sampling Data Form 3 5 The monitor is now ready for downloading www berkeleyair com Page 8 of 21 BERKELEY AIR E MONITORING GROUP UCB Particle Monitor User Manual Version 8 0 Dec 2010 4 Downloading Data Ensure that your computer s clock is correct before proceeding 4 1 Connect the monitor to your computer using either the USB cable or the 9 pin serial cable 4 2 Open the UCB Monitor Manager software by double clicking on the desktop icon 4 3 Select Nex 4 4 Select Download Data and click Next o Note that a window will show the progress of the download 4 5 A graphical display of the data will appear in the window o Ensure that the box for leaving data on the device is selected Hi UCB Particle Monitor Device Manager x Save in file C Users Gaia Association Documents RAWDATA P3uci137 04 23 10 12_31 to 04 24 10 20_01 ucbpm Save Now Save As l append notes to file name leave data on device n HOAN 170700 121 2 45 ci 04 23 2010 12 32 00 22 00 00 01 00 00 04 00 00 07 00 00 10 00 00 04 24 2010 20 01 00
6. BERKELEY AIR MONITORING GROUP UCB Particle Monitor User Manual Version 8 0 Dec 2010 UCB Particle Monitor User Manual Version 8 0 December 2010 Berkeley Air Monitoring Group School of Public Contents A Preparation Before Using the Monitor cccccsseeesseeeeseeeeseeeeseeeeseseeeeseees 2 1 EQUIPMENT RegquiremeNlS viata uateeeera der aiiasicovaatanatndaeadenadaeaaeladeeslananaleanateadelndenadelcadeleant 2 2 Installing the SORWAMEC ccccccecccceececeeeceeseeeeceeececeeeeeseusesseueesseueesseeeesseeeesaeees 2 3 Computer Clock Setting cccceceeccccseseceeeeeeeeeeeceeececeeeeseeeeeseeeeeseeeeseeesseeeesaeeees 3 B Standard Operating Procedure Protocol c sccsssecsssseeeeeeeseeeeseseeneeeenees 4 1 Launching the UCB Particle Monitor cccccccccceeceeseeeeeeeeeeeseeeesaeeeesaaeeesaaeees 4 Ze LCOS MOMON ore caste conm case cena E EE E 7 3 Placing and Retrieving the Monitor cccccccceecceeeeseeeceeeeeeeeneeeseueseueeneeeseeeeees 8 de NOVI ACI A A ape tet acetates E E 9 5 Processing and Saving the Data Files 02 2 0 cceceeeeeeeeeeeeeeeeeeeaeeeeeeaeeeeeenaees 11 6 SONNO Da FSS ne r E 15 C Monitor M intenNa NE Civics sass crecacosecesessneverssacacunscanaversecnavanspocaueravecsveuasssavanenetes 16 1 Cleaning the Photoelectric DeteCtor cccecccceececeeeeceeeeceeeeseeeeseeeesaeeeseeeeaees 16 2 Storing the MONItOM cccccccceeccceeeceeeeeee
7. ceca eeeeeeeeeeeesseeeeeeeesseeesseeesseeesaeeesaeeeeas 20 3e TONDE NOON ee E atennnee eeeueeecmnceeacecrnec 20 D Contact Information sscsesscedeseseasccrenesstscosencscaseonsacsessseesesenstesenencsieonencsoaseenenoser 21 www berkeleyair com and Indoor Air Pollution Team Health University of California Berkeley USA Page 1 of 21 BERKELEY AIR E MONITORING GROUP UCB Particle Monitor User Manual Version 8 0 Dec 2010 A Preparation Before Using the Monitor 1 Equipment Requirements 1 1 UCB Particle Monitor including e UCB Particle Monitor software Version 2 5 e 9 volt batteries One 9 volt battery will last approximately four 24 hour launches e Ziploc bags for zeroing the monitor 1 liter size 1 2 Computer e Windows 2000 or later e Pentium 90 or faster processor minimum 66 MHz e Atleast 24 MB of RAM e Atleast one free USB port or one free male 9 pin COM port 1 3 USB serial cable or 9 pin serial cable to connect the monitor to the computer Note that the following USB cables are known to work o Keyspan High Speed USB Serial Adapter FUSA 19HS http www tripplite com en products model cfm txtModellD 3914 o Keyspan USB PDA Adapter o Parallax FTDI US232B USB to Serial Adapter 1 4 Sampling Data Forms UCB Particle Monitor Sampling Data Form or other 2 Installing the Software The UCB Particle Monitor software is provided on a CD ROM disk 2 1 Place the CD in your computer Copy the files o
8. derside of the UCB PM monitor www berkeleyair com Page 16 of 21 BERKELEY AIR E MONITORING GROUP UCB Particle Monitor User Manual Version 8 0 Dec 2010 Figure 2 Space created by loosening the UCB PM lid from the base Note the baseplate used for mounting the monitor on a wall must be removed before you can access the tabs to remove the UCB PM lid 1 3 After you have removed the lid remove the green circuit board from the base of the monitor to access the photoelectric sensor located on the underside of the board The board is connected to the monitor base by three plastic tabs surrounding the circuit board and two metal prongs that sit inside metal clamps that connect to the 9 volt battery terminals Figure 3 Pull back each of the tabs and slowly lift the circuit board out of the UCB PM At the same time you may want to use your small screwdriver to slowly pry the board prongs out from the metal clamps If you pull on the board too hard you may pull the metal clamp out from the base If this happens remove the metal clamp from the metal prong and insert the clamp back in its plastic holder in the base www berkeleyair com Page 17 of 21 BERKELEY AIR MONITORING GROUP UCB Particle Monitor User Manual Version 8 0 Dec 2010 OO oD Ww Q 9 Q 9 9 2 9 Figure 3 Locations of plastic tabs and metal prongs connecting circuit board to UCB PM Make sure to release the circuit board from all 3 plastic tabs be
9. e UCB Particle Monitor Device Manager 1 Ensure that the Particle Monitor has a working battery 2 Connect the Monitor to a USB or Serial Port 3 Click Next to continue 2001 2009 University of California Show Log gt gt Sick ext Help www berkeleyair com Page 4 of 21 BERKELEY AIR MONITORING GROUP UCB Particle Monitor User Manual Version 8 0 Dec 2010 1 5 Check that the UCB ID appears in the lower left panel 1 6 Check that the temperature sensor readings display reasonable values considering the current temperature 1 7 Check that the photoelectric sensor signal is updating every second the values will vary slightly If not click exit and begin again at step 1 1 UCB Particle Monitor Device Manager Previously configured logging program Particle Monitor Clock Oct 30 2009 14 44 52 Logging Start Time Sep 18 2009 12 41 00 Logging Stop Time 1 18 2009 12 50 00 Photo Electr ic 28m O O Deployment Notes Test Test Test Temperature O T Launch Monitor Download Data Exit Hide Lag lt Back Met Help connected PSuc1 201 firmware ver 59c A Command Echo Po RE Flush Get Attention OF Command Echo P2_RA Flush OF Get Attention OF Command Echo P2_A5S Output from ReadSensors 1 258 o46 1 Flush Get Attention OF Command Echo P2_AS Output from ReadSensors 1 255 a360 1 1 8 Select Launch Monitor f you are sure you have download
10. ed the previously logged sample collected with this monitor it is ok to delete the data on the device 1 9 Select Next 1 10 A configuration screen will then open www berkeleyair com Page 5 of 21 BERKELEY AIR E MONITORING GROUP UCB Particle Monitor User Manual Version 8 0 Dec 2010 1 11 Select the date and time you want the monitor to start logging data If you want to start logging immediately you can click on Now 1 Minute 1 12 In the next cell enter the total number of hours over which you want the monitor to log data For a 24 hour household monitoring period select at least 30 hours to allow for the initial and final calibration periods as well as delays and transportation to and from the field Overestimating the total sampling time is the safest approach and it does not cause any problems 1 13 Set the Logging Interval to 1 minute one value will be recorded every minute This is the most frequent logging possible 1 14 Select Launch In the launch confirm dialog box check that the settings are correct ES UCB Particle Monitor Device Manager Time Settings Desktop Computer Clock Oct 30 2009 14 45 39 e Eza Ezy Particle Monitor Clock Oct 30 2009 14 45 39 Start Logging At how 1 miny Oct 30 2009 14 47 00 Logging Duration Stop Logging At Oct 30 2009 14 56 00 gt faq hours number of records to log max 28616 b Deploy ment Notes Test Test Test
11. es 4 Difference Cutoff 15 the minimum concentration value from this Round 1 other sampling event Again this value e Elo Oe should be within the range of 0 030 0 075 ae mg m Otherwise enter 0 050 which is Positive Signals 2 outof B the approximate detection limit of the monitor and a typical background concentration Click OK Cesi 5 6 2 Click the Update Calculations box at the top of the page Go on to 5 7 below 5 7 Click File Export to CSV or the Export shortcut button 7 to save the minute by minute concentration data in a csv comma separated variables file that is readable by Microsoft Excel and www berkeleyair com Page 12 of 21 BERKELEY AIR E MONITORING GROUP UCB Particle Monitor User Manual Version 8 0 Dec 2010 other statistical programs Save the file in the appropriate folder The Excel spreadsheet will contain the following columns of data titled Timestamp The time and date of each data point Photo mass mg m 3 The particle mass concentration in mg m Photo Electric The raw output of the monitor in millivolts mv Temperature The temperature in Celsius Batter The battery voltage in volts 5 8 Click the Save Stats button in the statistics box on the right side of the window Doing so creates a csv Excel type file of the summary Statistics from this processed file stats will be appended to the end of the file name Note that if anew Sam
12. es to a designated person as a second method of data backup www berkeleyair com Page 15 of 21 BERKELEY AIR E MONITORING GROUP UCB Particle Monitor User Manual Version 8 0 Dec 2010 C Monitor Maintenance 1 Cleaning the Photoelectric Detector 1 1 1 2 The photoelectric detector inside the monitor must be kept clean to ensure accurate measurements as particles and dust will accumulate on it with use The particle concentrations experienced by the monitor determine how often it must be cleaned As a general rule the detector should be cleaned after every ten 24 hour uses of the monitor or sooner Remove the lid of the monitor the baseplate used for wall mounting must be removed before the lid can be removed To remove the lid use a small screwdriver or other rigid thin implement such as an unfolded paperclip to press gently inward towards the center of the monitor on one of the three plastic tabs located on the underside of the monitor Be sure to press on the lower outer part of the tab Simultaneously lift upward on the lid until it is released from that tab Do this for each of the three tabs The location of one of the three tabs is shown in Figure 1 below Note that since the tabs are plastic care must be taken to avoid breaking them After all three tabs are loosened remove the lid from the base by continuing to lift it upward Figure 2 Figure 1 Location of one of the three outer plastic tabs on the un
13. fore lifting 1 4 Turn the circuit board over and remove the lid black plastic of the detector To do this gently unclip the four plastic tabs of the lid by gently pulling them outward Remove and hold the lid by holding the tabs only avoid touching the netting which encircles the lid since it is easily torn and removed kf Figure 4 Underside of circuit board with photoelectric PE chamber www berkeleyair com Page 18 of 21 BERKELEY AIR E MONITORING GROUP UCB Particle Monitor User Manual Version 8 0 Dec 2010 1 5 Carefully clean wipe or swab all of the interior surfaces of the PE chamber with cotton Q tips or Kimwipes and rubbing alcohol e g isopropyl Pay special attention to cleaning the two lenses the LED and the photodetector and the sloped paths leading down to them Be sure to also clean the inside of the lid of the detector When cleaned properly all of the detector surfaces should be shiny and free from dust and fibers If Q tips or Kimwipes are not available use a small piece of tissue If isopropyl alcohol is not available use water Do not use any other solvents If you find any large debris before cleaning make a note on the most recent UCB PM Sampling Data Form used for that monitor Replace the lid to close the detector it should snap into place a an a Fi
14. gure 5 Open photoelectric detector 1 6 1 7 Firmly snap the circuit board back into the monitor base Figure 3 To do this line up the metal prongs with the metal clamps located inside the monitor base You should hear a small click when it is set properly Visually examine this connection to ensure that the metal prongs are firmly seated inside of the metal clamps It is essential to complete this step correctly because these clamps provide the connection to the battery If the prongs are not fitted exactly into the clamps the UCB PM will not receive steady power and will be prone to failure If you have questions about this step contact Berkeley Air see section D for contact information Replace the monitor cover It will snap into place when properly placed www berkeleyair com Page 19 of 21 BERKELEY AIR E MONITORING GROUP UCB Particle Monitor User Manual Version 8 0 Dec 2010 2 Storing the Monitor When not in use all UCB Particle Monitors should be stored in sealed Ziploc or other airtight bags Ideally the bagged monitors should be placed in boxes and stored in a safe location such as a shelf or secure cabinet Storing monitors in this fashion will help prevent dust from accumulating inside the instrument and of course prevent the instruments from being bumped or dropped 3 Troubleshooting 3 1 The LED blinking light on the top of the monitor just under the lid can indicate several things depending o
15. n the monitor status e When the monitor is detached from the computer o Blinking green 1 per second monitor is logging data battery okay o Blinking red 1 per second logging data battery low less than 7 5 volts o Not ene at all either The monitor is not launched The monitor is not yet or no longer within the logging time period before or after or The monitor s battery is dead less than 5 volts e When the monitor is attached to the computer and activated by the UCB Monitor Manager o Green battery voltage is greater than 7 5 volts o Red battery voltage is equal to or less than 7 5 volts The LED does not indicate any other information such as date time device errors signal out of range etc 3 2 If you get a Device Error message when connecting the monitor to the UCB Monitor Manager software the first step is to check the battery voltage If the voltage is less then 7 5 volts cold climate or 7 0 volts temperate climate change the battery Note If you notice difficulty collecting data when using the minimum voltage of 7 0 volts increase your minimum battery voltage requirement to 7 5 volts 3 3 If the problem persists close out of the UCB Monitor Manager software re open the software and try again www berkeleyair com Page 20 of 21 BERKELEY AIR E MONITORING GROUP UCB Particle Monitor User Manual Version 8 0 Dec 2010 D Contact Information e For more information problems with the mo
16. nitor or comments please email us at info berkeleyair com e Mailing address Berkeley Air Monitoring Group 2124 Kittredge Street 57 Berkeley CA 94704 e Telephone 1 510 649 9355 e Three references about the UCB Particle Monitor concept lab characterization and field validation are available for downloading at the following website Professor Kirk R Smith s site http ehs sph berkeley edu krsmith cat 22 e Information such as the instrument placement protocol and sampling forms can be found on the Publications page of the Berkeley Air website http www berkeleyair com publications www berkeleyair com Page 21 of 21
17. nto your computer 2 2 Install the Microsoft Windows dotnetfx protocol by double clicking on the file dotnetfx Application 2 3 Install the software by double clicking on the file UCB software v2 5_Installer msi Windows Installer Package 2 4 You should now see two new icons on your desktop UCB Data Browser 2 5 and UCB Monitor Manager 2 5 If you have Windows 7 or Vista operating system the UCB programs must be run as an Administrator To do so www berkeleyair com Page 2 of 21 BERKELEY AIR E MONITORING GROUP UCB Particle Monitor User Manual Version 8 0 Dec 2010 Open the following folder C Computer Program Files UC Berkeley UCB Particle Monitor 2 5 Right click on the file Data Browser exe and select Properties Click on the Compatibility tab and check the box to Run this program as an administrator Click OK Repeat steps b d above for the file Monitor Manager exe You will now be able to open the programs normally from the desktop shortcuts or from the Star menu 3 Computer Clock Setting e The monitor utilizes the clock on your computer e Therefore you must ensure that your computer s clock is correct so that the UCB Monitor reflects real time O O O An easy approach is to use atomic clock time to set the time on your computer This is available for download on the internet at http www atomtime com The correct time can also be found on the internet at
18. pling or Zeroing period is entered into the Data Browser or if the LOD Calculation Method is changed the Statistics will be recalculated clicking the Save Stats button again will save these newly calculated statistics in a new csv file 5 9 Open the siats file in Excel that was just created in 5 8 above The stats Excel spreadsheet will contain the following columns of Statistics titled Pre sampling zeroing end time set by Berkeley Air set by Berkeley Air during the sampling time this is the data of most importance mg m concentrations in mg m Median 50 percentile particle concentration in mg m 75 percentile particle concentration in mg m www berkeleyair com Page 13 of 21 BERKELEY AIR E MONITORING GROUP UCB Particle Monitor User Manual Version 8 0 Dec 2010 P 95th Percentile Percentile particle concentration in mg m P Minimum Minimum particle concentration in mg m 3 P Maximum P Highest Highest 15 minute average particle Pl eneenaton n mgm o e O P 2nd Highest Second highest 15 minute average particle o Oene Sonsentatoninmgme a eana P 3rd Highest Third highest 15 minute average particle Temp Arithmetic Mean Average temperature in Celsius Temp Geometric Mean Geometric mean temperature in Celsius Temp Standard Deviation Standard deviation of the temperatures in Celsius Temp Median Median 50 percentile temperature in Celsius Temp Minimum Celsius temperature in Celsiu
19. r User Manual Version 8 0 Dec 2010 5 Processing and Saving the Data Files 5 1 Open the UCB Data Browser software version 2 5 Then open the ucbpm file the UCB Particle Monitor data file of interest 5 2 The Data Browser will display a Choose Zeroing Type and Period box Choose Zeroing Type and Period Device Id Data Range Zeroing Period Type P3201 044 2303 2009 09 30 00 24 03 2009 14 53 10 Initial Reset to Defaults Initial Zeroing Period Sample Period Final Zeroing Period 23 03 2009 09 30 00 gt 7 23 03 2009 10 00 00 gt 23 03 2009 10 00 00 gt 24 03 2009 14 53 10 gt cS eroing Stark ering End Sample Start Sample End eroing Start Zeroing End 5 3 Ensure that Initial is selected in the Zeroing Period Type menu if not select it now 5 4 Input the Start and End times for the Initial ore sampling Zeroing Period These values should be recorded on the UCB PM Sampling Data Form the sampling form 5 5 Enter the Start and End times for the Sample Period in the test household this does not include transportation or zeroing periods These times are also shown on the sampling form Then press OK The graph will then display the particle concentrations in mg m 5 6 Check that the minimum particle concentration in mg m is reasonable the typical range is greater than or equal to 0 030 mg m and less than or equal to 0 075 mg m 0 030
20. s Third highest 15 minute average temperature in Celsius Note that the statistics of most importance are the following twelve Sample Start Sampling start time i e In the household Sample End Sampling end time i e In the household during the sampling time this is the data of most importance 75 percentile particle concentration in mg m P 95th Percentile Percentile particle concentration in mg m Minimum particle concentration in mg m Maximum particle concentration in mg m concentration in mg m concentration in mg m P 3rd Highest Third highest 15 minute average particle concentration in mg m Temp Arithmetic Mean Average temperature in Celsius 5 10 You may want to copy the statistics of interest such as the twelve shown above into a separate Excel spreadsheet of IAP results www berkeleyair com Page 14 of 21 BERKELEY AIR E MONITORING GROUP UCB Particle Monitor User Manual Version 8 0 Dec 2010 6 Storing Data Files New UCB Particle Monitor data files stored on your computer should be backed up copied onto another storage medium at least once a week Each sample from a monitor will produce three files the ucbpm file approximately 50 KB for a 24 hour sample its corresponding comma separated variable csv file 120 KB and the stats file 2 KB 6 1 Back up the files onto an external hard drive CD or USB flash drive 6 2 Additionally you may want to email your UCB PM data fil
21. this initial pre sampling zeroing end time on the sampling form this completes the pre sampling zeroing period Note that it is essential to record the initial ore sampling Zeroing times on the sampling form as these times are required for data processing Leave the monitor in the Ziploc bag until you are ready to install it in the actual sampling location www berkeleyair com Page 7 of 21 BERKELEY AIR E MONITORING GROUP UCB Particle Monitor User Manual Version 8 0 Dec 2010 3 Placing and Retrieving the Monitor from the field location Note Before going to the field each day all wristwatches should be synchronized to the time on the computer that was used to launch the UCB Particle Monitors Doing so will ensure that the field sampling times and cooking events can be properly related to the UCB PM data 3 1 Remove the monitor from the bag and place it in the sampling location according to the placement protocol This begins the sampling period See the protocol entitled nstalling Indoor Air Pollution Instruments in a Home for monitor placement instructions This protocol is also available on the Berkeley Air website http www berkeleyair com images stories publications quidelines for instrument placement pdf 3 2 Record the sampling start time on the sampling form 3 3 After the sampling period in the test household is complete remove the monitor from the wall and record this sampling end time on the
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