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2 Model 1.108 and 1.109 - Cooperative Institute for Research in

1. Model 1 108 1 109 Modell 1 108 1 109 2 of 81 Modell 1 108 1 109 3 of 81 CONTENT 3 INDEX OF FIGURES se ici 6 INDEXOETAB LES see 6 GENERAL 7 NTN 7 MEANING OF THE USED SYMBOLS ista dad diria cis 7 1 IMPORTANT HINTS FOR THE CUSTOMER 8 Lat SAFETY REGULATION S savannen ene ii tt 8 k2 BETRE SPE Ven 8 168 LASER EV 9 A ARRANSPOR TATION ad 9 2 MODEL 1 108 AND 1 109 10 2 1 PARTICLE MEASUREMENT WITH GRIMM S DUAL TECHNOLOGY 10 2 2 MEASURING PRINCIPLE o e do 11 2 GENT 13 24 NAG ORC CES GORY su 16 29 TEN ENN 18 Nommalratina 1108 Ma E Dt EE 18 Technical data 1 108 and VV OO WEEN 18 26 DEE Eed e 20 3 CONTROL ELEMENTS 21 a EPER 22 Be DATA STORE CA eee 22 Starting up and initiating the data storage Card 23 Data preservation and storage times occcoonccncncconccnnnccncnnnnncnncnoncnononononnnonnnnonnnnnrnnrnnrrnrnnnannnannenanss 24 3 3 KEYPAD AND KEY FUNCTIONS cccccceccecceccccccccccccccccacccceuecueaueaceaeeeeaeesseseesuesuestecueceeseeeenes 25 Key functions in the standby mode ennnenneneeneenrsnenrresrrerrrrrrsrtrresrrerrrtrrrrrstrrrrrrtrrsnretrre rreren t rene 26 Key functions in the operational mode 29 SS A O AT 32 5 A o A A EE S 32 3 6 CONNECTION FOR POWER SUPPLY navnnnnnnnnnnnnnnnnnnnnnnnnnenannnnennenennnnenernennrnenennnnnnenenennenenennenenn 33 Bel RSS INTERFACES Ne 33 38 PR GAMBIA 33 5 PRE ERN NN ohm ae telay ne arene dete a A 34 3 10 WARNING FOR LASER RADIAT
2. Battery Location Displays the current battery capacity and or Changes the location number above Alarm Scans the adjusted alarm value Alarm and or Increases or decreases the alarm thresholds Date Time Displays the date and time Date Time Short press displays the date and time Long press adjust date time Factor C Displays the adjusted gravimetric factor X Factor C Increases or decreases gravimetric factor and or Periodic display of the analog input values sensors will be activated Periodic display of the analog input values sensors will be deactivated Mean Weight Stored data will be deleted and data storage card will be and Factor C formatted X X Modell 1 108 1 109 32 of 81 Ke Function display Operation Standby y During question Filter Changed Yes or No mode mode During question Filter Changed Yes or No Mean W eight Displays the calculated dust weight collected on the filter and the corresponding sample volume Standby During question Filter Changed Yes or No y Displays the serial number and working hours During question Filter Changed Yes or No or Calculation of accumulated filter weight will continue Calculated filter weight will be reset to zero 3 4 Sample inlet The air enters the device via the sample inlet and is forwarded in a straight short way into the optical chamber The sample inlet is equipp
3. Year Mon Day Hr Min Loc GF Err Qbatt Im Uel Ue4 Ue3 Ue2 Uel lv P 8 12 10 18 49 1 20 0130 23 1 2 0 0 0 6 COO 6281 1924 665 300 185 115 79 55 c00 55 28 11 4 2 2 0 0 C10 5987 1798 640 215 130 19 55 55 c10 55 35 15 7 3 0 0 0 C20 6018 1823 665 290 175 120 70 49 c20 49 28 13 5 3 2 0 0 C30 6069 1894 765 310 175 120 19 91 c30 51 25 11 9 2 1 0 0 C40 5958 1868 680 315 260 175 125 62 c40 62 20 10 3 2 2 0 0 C50 6018 1858 745 310 180 115 95 58 c50 58 22 11 6 3 1 0 0 C60 6089 1833 710 340 195 130 85 59 c60 59 27 19 10 5 3 1 0 C70 6230 1833 675 265 155 105 80 52 c O 52 26 15 6 3 1 0 0 C80 6078 1818 630 260 135 95 85 94 c80 54 27 11 4 2 2 1 0 C90 6038 1863 590 200 130 95 19 98 c90 58 32 14 4 1 1 1 0 Modell 1 108 1 109 55 of 81 1 sec interval 8 channels gt 0 3um to gt 2 0um in P 100ml Year Mon Day Hr Min Loc GF Err Qbatt Im Uel Ue4 Ue3 Ue2 Uel lv P 8 12 10 18 52 1 20 0130 22 1 2 0 0 0 9 COO 6317 1818 805 335 225 145 95 55 C01 6054 1793 765 340 215 150 115 75 C02 6109 1743 710 345 210 155 120 85 C03 6479 2024 710 320 200 125 80 55 C04 6297 1853 715 300 230 150 70 50 C05 6287 2054 760 340 215 140 105 70 C10 5942 1733 730 285 195 110 90 65 C11 6495 1949 725 320 225 125 90 45 C12 6155 1868 795 370 220 155 100 65 C13 6059 1939 685 290 190 130 90 45 C14 6540 1969 725 315 185 130 85 35 C15 6110 1884 835 445 260 190 130 80 C20 6125 1979 735 325 220 150 130 120 C21 6175 2029 800 335 215 150 80 40 C22 6647 2104 835 400 275 175 1
4. measurement unit 10 Swing fixture for connection of the sample air refeeding Wrench 8 10 for changing the nozzle and fastening the swing fixture on the rear side of the device As well as 1 air duct 5 sample air to the measurement device 6 exhaust air recirculation Modell 1 108 1 109 69 of 81 sample inlet PTFE filter pump Figure 13 Function principle of the isokinetic sampling probe Installation of the sampling probe 1 152 Hereinafter pictures show from left to right the essential steps for connecting the sampling probe with the dust monitor Figure 14 Installation of the sampling probe a sampling probe b lucent tube c sample air refeeding In order to be able to screw in the angulated connection piece the end cap of the sample outlet on the rear side of the device has to be removed as shown in the left picture By means of the provided 8 mm wrench the plug connection can be screwed in and hand tight retightened Afterwards connect the spare components pneumatically For the sampling head the 90 bend probe a has to be used because only at this part the recirculated sample air can leave the probe through the small opening The straight extension does not have this opening The lucent silicone tube b serves as flexible extension to the sample inlet of the dust monitor The grey PVC hose c leads the sample air back sample air refeeding Note In order to keep particle losses through sedime
5. R Run Measurement S Standby Modus E Error E Enable Output E fast T Timer Set Standby G Gravimetry C Factor T Time Set Standby G Byte Interval Memo free Standby H Runtime hours U Unlock Keys Standby I Interval V Version J Output Channels W Weight Serial No Y Power OFF S User Strings Analog Inputs Long Break Power ON User Factors Analog Inputs Z Zero Clear Mean Output User Strings Factors IT Output Model Version lt only Channel 1 8 gt only Channel 9 16 HEH HH HH HH HE TE EE EH HH HE EEE EE HH HE EH EEE EH EE EE EE EEE EE EE EEE EE EE HHH 1 108 Service Mode 0 additional commands last Service xT X tal F Flow Adjust Standby Preferences Gesytec Standby HEH HH HH HH HE EE EEE HH HH HH EEE EH EE EE EEE EH EH EE EE EEE EOE EE EE HE EEE EEO HHH last Service Who did the last service and when was it done Identification by individual service key and date X X tal Output of the frequency of the quartz from the internal clock on the digital board Only for trained service staff if clock IC or digital board have to be changed AF Flow Adjust standby Only for model with internal pump 1 108 or 1 109 With the and key the flow rate can be increased and decreased in steps to a maximum of 0 05 liter min AV Change Firmware Version No meaning Only
6. 1 109 58 of 81 modell 1 109 version 12 30 operational mode particle concentration Counts 1 min interval 31 channels gt 0 25um to gt 32um in P I Year Mon Day Hr Min Loc GF Err Qbatt Im Uel Ue4 Ue3 Ue2 Uel lv P 8 12 10 11 25 119 0130 29 0 4 0 0 00 C_ 165340 105080 65975 36180 16945 9110 6335 3845 _ 2770 2340 1730 1310 870 730 500 336 C c 336 180 124 89 43 20 15 12 Cc 6 1 0 0 0 0 0 0 6 sec interval 31 channels gt 0 25um to gt 32um in P 100ml Year Mon Day Hr Min Loc GF Err Qbatt Im Uel Ue4 Ue3 Ue2 Uel lv P 8 12 10 11 26 1196 0130 29 O 4 0 0 06 CO 16870 10740 6910 3755 1855 1105 735 435 CO 320 225 160 120 70 60 40 38 c0 38 21 15 9 4 1 0 0 CO 0 0 0 0 0 0 0 0 Ci 16825 10705 6590 3590 1595 910 650 370 C1 220 185 150 105 80 65 35 24 ct 24 15 11 5 1 1 1 1 ci 1 0 0 0 0 0 0 0 C2 16400 10585 6835 3690 1840 1060 760 460 C2 320 240 170 115 80 55 35 31 c2 31 14 8 5 3 3 2 2 C2 2 2 1 0 0 0 0 0 C3 16975 10975 6810 3560 1725 850 605 345 C3 270 205 145 135 70 45 30 27 c3 27 18 11 8 4 1 1 1 C3 0 0 0 0 0 0 0 0 C4 16400 10340 6525 3530 1760 905 635 365 C4 210 175 140 100 60 55 35 23 c4 23 13 9 6 3 1 1 1 c4 1 1 1 0 0 0 0 0 C5 16585 10740 6825 3685 1680 950 680 430 C5 250 185 140 110 65 55 30 26 c5 26 24 14 11 6 3 1 0 c5 0 0 0 0 0 0 0 0 C6 16565 10465 6605 3570 1640 855 605 370 C6 240 190 155 110 65 55 25 21 c6 21 10 5 3 1 1 1 1 C6 1 0 0 0 0 0 0 0 Modell 1 108 1 109 59 of 81 C7 16160
7. Also charging the battery must only take place within the given temperature range By the way a new battery reaches its full capacity after some charging discharging cycles Modell 1 108 1 109 36 of 81 4 System operation 4 1 Initiation The measurement device can be operated in three different ways 1 stand alone operation without PC with data storage card controlling via key pad 2 online operation via Grimm Windows software with connected PC or 3 online via HyperTerminal control commands with connected PC The following text goes into detail without PC means stand alone operation The operation via HyperTerminal control commands is explained in chapter 5 HyperTerminal via RS 232 interface and in the following You can find all details for Grimm Windows software in chapter 11 Software model 1 178 stand alone operation In order to take the device properly into operation please follow the steps and annotations beneath NEVER operate the instrument without PTFE filter Use only the original GRIMM 47 mm PTFE filter Please make sure if the gravimetric filter PTFE filter as shown in the picture aside is correctly inserted If you want to determine the weight of the dust collected on the filter gravimetrically please find more information in chapter 4 4 Gravimetric control of the dust mass Remove the black protection end cap from the sample inlet Insert the data storage card in the designated slo
8. Pressing this key when using the weather protection housing shows the threshold of the relative humidity when the mixer operation shall be activated Behind these two concentric circles the speaker for the acoustic alarm signals is located A O Requesting the analog input values hooked up sensors With the key the cyclic display can be switched off The sensor values appear in the upper line of the LCD alternating with the measurands of the selected operational mode au Pressing this key switches on the cyclic display of the analog input values of the Requesting date and time q D Pressing this key shows date and time Time Requesting the gravimetric factor Factor The set gravimetric factor will be shown when pressing this key This also suppresses the cyclic display of the analog input values Alarm and error messages A warning signal resounds and a message appears on the LCD display when e Exceeding the set alarm threshold e Device errors e g too low battery capacity high pump motor current etc The errors will also be stored with the data sets onto the storage card and output via the RS 232 Modell 1 108 1 109 31 of 81 Brief overview of all key functions Certain key functions are activated just in the operational mode or in the standby mode During the question filter change some additional functions are active The and in the key column means that two keys are to be pressed
9. standard setup DTE Pin2 RxD Pin3 TxD Dust concentrations or particle number concentration as sliding average over a minute or averages with their according sample volume Alarm values battery capacity gravimetric factor measuring location number date and time and values of the optional accessory units sensors Via PC and RS 232 interface also from RS 232 to USB possible Cable with 6 pole analog connector for 3 signals 0 10V resolution 10 Bit ca 10 mV Display with editable texts and calibration factors ASCII RS 232 9600 Baud 8 Bit no parity 1 stop Bit protocol Xon Xoff 4 MByte battery buffered Following data will be stored next to the measurands date time measuring location number gravimetric factor error code battery capacity motor current and the analog voltages of the external sensors 1 to 3 4 to 40 C 39 to 104 F r H lt 95 no corrosive or explosive gases Yes exit for sample air exhaust on the backside of the device 24 x 13 x 7 cm 9 45 x 5 12 x 2 76 inches 1 7 kg 3 7lb 0 7kg 1 5lb lead battery The function once selected in the last standby mode will automatically boot up again once the instrument is removed from the standby mode or powered up again The display mode remains as previously set Alarm values calculated filter weight and sample flow remain stored Should a power failure occur during a measurement cycle all of the functions pre selected by the user and
10. 10445 6555 3700 1670 915 715 410 C7 250 205 165 125 95 85 60 42 c 42 23 12 8 2 1 1 1 C7 1 1 0 0 0 0 0 0 C8 17365 11315 7225 3950 1865 965 650 405 C8 255 225 195 155 115 95 65 40 c8 40 27 15 11 5 1 1 1 c8 1 0 0 0 0 0 0 0 C9 16280 10240 6480 3570 1615 780 500 265 C9 170 150 110 19 60 45 30 15 c9 15 14 11 7 1 0 0 0 CH 0 0 0 0 0 0 0 0 1 sec interval 16 channels gt 0 25um to gt 2 5um in P 100ml Year Mon Day Hr Min Loc GF Err Qbatt Im Uel Ue4 Ue3 Ue2 Uer lv P 8 12 10 11 29 1 0 64 130 13 4 4 0 0 0 9 C00 16290 10195 6445 3440 1740 840 630 390 C00 260 225 150 120 85 70 50 35 C01 16415 10330 6450 3645 1725 905 680 470 C01 300 245 175 140 80 60 40 35 C02 15870 10025 6195 3485 1760 895 660 400 C02 250 215 150 130 75 55 40 35 C03 16825 10685 6945 3940 2000 1145 795 560 C03 440 385 305 220 170 150 110 100 C04 15905 9980 6295 3585 1555 875 595 365 C04 260 230 185 135 105 80 55 25 C05 16730 10765 6810 3840 1800 1060 750 465 C05 375 325 250 220 165 120 75 50 C10 16100 10155 6480 3680 1705 905 695 425 C10 290 250 190 135 90 80 65 40 C11 16845 10680 6630 3600 1645 885 575 365 C11 255 210 170 120 90 65 35 25 C12 16230 10230 6540 3725 1815 1035 745 450 C12 285 250 170 145 80 50 40 25 C13 16395 10265 6385 3375 1580 830 510 270 C13 180 130 115 100 75 55 30 20 C14 16290 10420 6400 3270 1490 810 595 365 C14 245 185 140 110 50 40 25 25 C15 16350 10415 6525 3410 1575 805 645 400 C15 280 245 165 150 100 70 50 3
11. 169 166 165 161 157 154 n3 139 113 92 69 45 45 45 0 n3 0 0 0 0 0 0 NA 824 813 803 795 786 777 773 770 N4 767 764 763 762 759 757 747 744 n4 731 22 703 685 613 5 9 5 79 5 9 n4 5 9 5 9 5 9 57 9 0 0 0 N5 274 263 254 246 238 229 223 220 N5 215 212 211 210 206 201 196 190 ns 170 129 102 93 45 45 45 0 ns 0 0 0 0 0 0 N6 318 307 297 289 281 2 2 267 8 264 N6 260 258 256 253 251 247 239 233 n6 205 147 132 109 69 69 69 69 n6 0 0 0 0 0 0 N7 256 245 236 228 219 210 205 203 N7 199 197 196 194 193 190 186 174 n 149 122 101 3 33 0 0 n 0 0 0 0 0 0 N8 294 283 273 266 257 248 244 241 N8 239 237 236 235 231 230 226 215 n8 200 196 175 147 131 114 114 69 n8 0 0 0 0 0 0 No 527 516 506 499 490 481 476 473 N9 470 467 465 464 462 459 451 444 n9 403 362 382 318 286 2 0 239 194 n9 125 0 0 0 0 0 Modell 1 108 1 109 63 of 81 6 Maintenance and cleaning It is recommended to execute following points annually 6 1 Filter chamber The filter chamber is to be cleaned with every filter change with a Q Tip or a lint free cloth Tenacious stains can be removed with special cleaning cloth like as they are used for computers 6 2 Filter change Switch off the device Unlock the filter chamber by turning the bayonet lock Older models have a screw instead of the bayonet lock The screw is provided with a protection so it cannot fall out Carefully open the lid Now take out the old filter usi
12. 2h settable LED s 320 x 115 x 290 mm 12 6 x 5 5 x 11 4 inches 3 4 kg 7 5 lbs Weight complete system 6 85 kg 15 1 lbs with sensor adapter and spectrometer Complete system closed Complete System open The adapter set possesses a battery for the integrated PAH sensor and thus enables field measurements without an external mains adapter The PAH sensor is connected to the dust monitor via the analog socket 3 The other analog inputs 1 and 2 are still accessible via an analog socket at the end plate of the 1 301 HLX Both instruments 1 108 1 109 and 1 301 can be power supplied with the standard mains adapter of the measurement device On the right end plate of the 1 301 HLX is a supply socket same type as at the dust monitor For both models 1 301 and 1 301 HLX separate manuals are available Modell 1 108 1 109 73 of 81 7 9 NanoCheck model 1 320 and adapter kit 1 365 HLX The NanoCheck measures the total number concentration and the mean particle diameter of the nano scaled aerosols in the range 25nm to 300nm which is directly next to the range of the Grimm Aerosol spectrometer The nano counter attachment model 1 320 can be added to any Grimm Aerosol spectrometer getting the sample directly from the spectrometer which also displays and logs the data Both the nano counter attachment and the spectrometer are mounted in an adapter kit model 1 365 HLX With this setup it is possible to monitor
13. 3401 1575 845 566 336 C10 243 210 166 128 98 78 51 40 C13 15806 10043 6226 3381 1655 908 628 381 C13 263 220 166 118 70 56 46 30 C20 15988 10225 6406 3475 1606 853 591 350 C20 241 198 161 133 91 13 53 38 C23 16158 10198 6401 3461 1611 878 603 363 C23 213 165 120 75 38 33 11 10 C30 15948 10205 6383 3488 1626 811 565 348 C30 240 191 150 116 80 50 30 21 C33 15683 10113 6341 3453 1653 935 661 405 C33 265 208 166 131 100 78 48 31 modell 1 109 version 12 30 Operational Mode particle mass Normal Dust Mode 1 min interval 32 channels gt 0 25um to gt 32um in pg m Year Mon Day Hr Min Loc GF Err Qbatt Im Uel Ue4 Ue3 Ue2 Uer lv P 8 12 10 11 36 1 20 0130 29 0 4 0 0 0 0 N_ 494 483 474 466 457 448 443 44 N_ 437 435 433 432 429 425 420 413 n 400 371 353 335 295 266 257 239 nj 155 80 57 57 0 0 0 0 Modell 1 108 1 109 62 of 81 6 sec interval 31 channels gt 0 25um to gt 32um in g m Year Mon Day Hr Min Loc GF Err Qbatt Im Uel Ue4 Ue3 Ue2 Uei lv P 8 12 10 11 43 1 20 0130 29 54 0 0 0 6 NO 233 222 213 205 196 187 182 180 NO 176 174 173 171 168 167 163 157 n0 154 136 118 81 33 0 0 no O 0 0 0 0 0 N1 471 460 451 443 485 426 421 418 Ni 415 412 411 411 409 406 401 392 nt 392 386 359 341 308 258 228 228 nt 228 228 0 0 0 0 0 N2 466 456 447 488 480 421 416 414 N2 410 408 408 406 405 403 399 396 n2 375 359 341 318 262 228 228 228 n2 228 228 0 0 0 0 0 N3 229 218 209 201 192 184 178 176 N3 172 170
14. 64 6 5 INTERNAL RINSING AR FILTER ns i 64 6 6 K LINE TEST OF FUNCTIONALITY OF THE OPTICAL CELL LASER DIODE AND PHOTO DIODE 64 7 ACCESSORY 67 Tal SAMPLE NES 67 Radial symmetric sampling head model 2111 67 Clean room sampling heads model 21818 68 Isokinetic sampling head for 2 up to 25 m s model 1 152 00occooccccocccconcccnnncnconcncnncncnnncnnonencnnaninnns 68 High pressure diffuser for compressed air model 90101 70 7 2 BLACK LEATHER SPECTROMETER PROTECTION BAG WITH SHOULDER STRIP MODEL 1 145A 70 7 3 ACOUSTIC AND VISUAL ALARM UNIT MODEL 1 147 cc ccsesssssseesesssenseesecseceseseneesseanseneess 70 7 4 MINI FILTER FOR ZERO TEST MODEL 1 148 cniinn iin 70 7 5 SENSOR FOR TEMPERATURE AND RELATIVE HUMIDITY MODEL 1 1D32EH 71 7 6 SENSOR FOR TEMPERATURE RELATIVE HUMIDITY AND AIR VELOCITY MODEL 1 154 71 Modell 1 108 1 109 5 of 81 Gi 7 8 7 9 7 10 PLUG FOR ANALOG SOCKET ias PAH SENSOR MODEL 1 301 AND ADAPTER KIT MODEL 1 301 HLX NANOCHECK MODEL 1 320 AND ADAPTER KIT 1 365 HLX WEATHER PROTECTION HOUSING MODEL 165 8 WARRANTY 9 TRANSPORT 10 REPAIR INDEX ANNEX 11 SOFTWARE MODEL 1 178 76 117 78 80 81 Modell 1 108 1 109 6 of 81 Index of figures Figure 1 Measuring principle series 1 108 and 1108 11 Figure 2 Laser measuring chamber series 1 108 and 109 12 Figure 3 Screenshot of the Grimm calibration software during a running
15. DC d and DC h remains not constant the optic has to be cleaned or repaired The set value for the DC_d and DC h difference is listed for each device in the last service protocol or for new devices in the quality assurance protocol of the calibration certificate If the condition of the optical cell changes e g by dirt this difference will rapidly increase A fluff trapped in the aerosol inlet nozzle and extending into the laser beam easily can increase the DC_h value up to 65000 A difference value close to zero e g like 2 3 mV is typically for a broken laser diode A damaged laser diode emits very weakly in the infra red only very similar to a red LED whereas the photo diode is very sensitive on infra red radiation DC v DC d DC h CO h CO d La I La h K 740 1318 1469 0 0 60 106 Both CO hand CO d allways has to be 0 CO h means Counts without particle or zero counting with laser switched on that explains the _h for high During the self test procedure the optical cell is flushed with particle free rinsing air causing a slight over pressure in the optical cell Thus no particles can enter the optical cell and the signal must be 0 A value greater than zero indicates particles in the optical cell e g due to a leak in the sampling air circuit Also with particle free reference air but the laser switched off the CO_d is determined that s why the d means dark A CO d value different to zero indicates a failure of the signal amplifier Since
16. Radial symmetric sampling head model 1 111 o APPLICATION AREA For indoor and outdoor measurements IAQ up to e an air motion of ca 2 5 m s from different directions The radial symmetric i Uersion 8 60 E 3 e sampling head is conform to the regulation EN 481 for measurements at Gr EE be e workplaces and guarantees an intake speed of 1 25 m s at the opening slot gt e Modell 1 108 1 109 68 of 81 Clean room sampling heads model 1 151A APPLICATION AREA For measurements in a flow range up to 4 m s where the air leaves with a relatively constant speed and into a defined direction e g after filter systems or inside laminar flow boxes representative sampling at particle measurement requires an isokinetic sampling This condition is only given at even velocities between main flow and sample flow This sampling heads are appropriate for air speeds of 0 5 1 2 and 4 m s due to four different nozzles The appropriate nozzle is to be selected after determination of the air velocity at the measurement location The sample inlet has to face always head on towards the air direction The sampler can either be plugged directly into the sample inlet of the device or into the accordant positioned stand In the last case the sampler has to be connected via a hose as short as possible with the measurement device in order to keep particle loss through sedimentation as small as possible Depending on the speed of the emerging
17. V 0000 V 0 000 V 1 880 V The first line shows the three User texts The second line shows first the three multiplication factors for the analogue voltages and then the offset values lt Constantly high laser capacity multiplex mode off small particles 1 108 8 channels 0 3um up to 2um 1 109 16 channels 0 25um up to 2 5um Annotation This command is possible but depending on firmware version it is not included in the 1 109 command help list after pressing Multiplex mode off is necessary to enable sampling intervals with 3 2 or 1 second after pressing the command I for interval gt Constantly low laser capacity multiplex mode off big particles 1 108 8 channels 2um up to 20um 1 109 16 channels 2 5um up to 32um Annotation This command is possible but depending on firmware version it is not included in the 1 109 command help list after pressing Multiplex mode off is necessary to enable sampling intervals with 3 2 or 1 second after pressing the command I for interval Modell 1 108 1 109 49 of 81 Help for commands 1 108 in normal mode HEHE Help for Dust Monitor ditt HHH HEH HE HEE HH HE HE HH A Alarm AL Land for Date Standby B Baudrate Memocard Standby Li Location Code B Battery M Mean Value CT Count Mode Standby N Normal Dust Mode Standby D Data Memocard Standby O Clear Memocard Standby D Disable Output P Preferences Modem Standby
18. air following inlet nozzles are available red nozzle up to 0 5 m s A golden nozzle 0 5 up to 1 0 m s green nozzle 1 0 up to 2 0 m s e blue nozzle 2 0 up to 4 0 m s Isokinetic sampling head for 2 up to 25 m s model 1 152 APPLICATION AREA Sampling and particle measurements out of air ducts or stacks before or behind filters in ventilation systems and deaerators This sampler was especially developed for dust measurements inside air ducts Due to the back loop of the sample air an application also at over or low pressure up down to 100 mbar is possible The channel therefore has to be equipped with a fitting aperture diameter 35 mm Because of the scale on the sampling pipe measurements can be done simple and fast according to VDI 2066 If measurements do not happen under normal pressure then eventually a conversion to standard cubic meter of the sample volume has to be done Then the measuring results have to be accordingly corrected The probe exists out of following components sketch indices prefixed NN 2 Four nozzles for the speed ranges 2 4 4 8 8 16 and 16 25 m s The nozzles opening diameter is reverse proportional to the speed 3 90 probe bend 4 Opening for outlet of the sample air back loop 7 Channel carrier 8 Probe extension 250 mm optional ma 4 9 Connection piece to the measurement device and air recirculation D D 0 5 m hose 3 6 mm optional extension for connection with the
19. any of the recorded values will be stored Once power is restored pre selected measurement cycle will automatically be continued Modell 1 108 1 109 20 of 81 2 6 Pneumatics The figure below shows the pneumatics of the models 1 108 and 1 109 The sample volume flow rate of 1 2l min is controlled as well as the internal rinsing air circuit The used filters are optimized on a low pressure drop in order to ensure a power supply via lead battery as long as possible A Lek mir y Cl MIr 0 mbar Ke RIN SING Ait controller lt gt ter Figure 7 Pneumatics scheme for models 1 108 and 1 109 Within operational mode a rinsing air circuit flows through the optical chamber in order to protect the optical components The optical chamber can be flushed completely with particle free air This is done during the self test to inspect the optical components and during the measurement for minimizing contamination Modell 1 108 1 109 21 of 81 3 Control elements Read this manual carefully BEFORE taking the device into operation Please inspect every single part of the measurement unit after unpacking If you expect that the device cannot be run safely anymore put it out of operation and ensure it cannot be run accidentally anymore Expect a not safe operation if e the device shows apparent damages e the device does not work anymore e the device was bein
20. by a mains adapter 18V which is to be plugged in on the front panel of the device The socket is for an open DCs power jack diameter 2 5mm polarity as written on the instrument The LED next to the socket indicated the status during battery charging and operation Red 12V Battery is in the instrument and charged with connected 18V mains adapter Orange 12V Battery is fully charged Green no battery inserted 18V mains adapter is connected 3 7 RS 232 interface The serial interface is a 9 pin socket located at the front panel of the device and labelled with RS 232 Via this interface the dust monitor can be controlled and measurement data can be sent to an external printer or PC For the interface socket also power supplies the alarm unit it has a specific PIN assignment Therefore always use the original Grimm RS 232 data cable with catalogue number 1 143E or 1 141 see Figure 6 Recommended accessory for model 1 108 and 1 109 PIN assignment of the dust monitor s RS 232 interface RS 232 Pin2 RXD receiving data Pin3 TxD transmision data yf LOO OES Pind GND signal ground 00o Pin7 Alarm 12V 0 5A signal current for optional alarm unit Pin8 CTS ready to send Only use the original Grimm data cable because of the alarm output of the 9 pin RS 232 sub miniature socket 3 8 Filter chamber Models 1 108 and 1 109 are delivered with a filter chamber see Figure 9 The filter chamber has to be equipped w
21. filter and the corresponding sampled volume will be displayed The estimated dust weight indicates whether the collected dust mass is sufficient to be determined within a suitable tolerance with the available microbalance The dust weight calculation takes all measurements into account mass and counts since the last filter change lt must be pointed out that the C factor is not taken into account for calculating the estimated dust weight Stop a measurement Pressing this key interrupts the measurement and switches the instrument to the standby mode Stand Pressing this key again re activates the measurement process by Hold the actual value on the LCD Display Typically the values are refreshed all 6 sec and shown on the display The actual value is holding on the LCD display as long as the Size Mode key is pressed while the measurement continues in the background The operational mode can be changed in standby only Indicate the battery capacity and location number Modell 1 108 1 109 30 of 81 Like in standby mode By pressing the Battery Location key the current battery capacity as fate well as the set measurement location number will be displayed Requesting the alarm thresholds the size channel which is set in the upper line of the display Setting the alarm value to O this By pressing this key the current alarm value can be requested The alarm value always refers to Ald oe function is not active
22. guideline EN 481 see annex Table 4 on the basis of the mass distribution e Environmental Three mass fractions DM PM 5 and PM in ug m These values are calculated on the basis of mass distribution and are provided for comparisons of indoor and outdoor measurements but are not in compliance with US EPA or European approval for equivalent measurements EN 12341 for PM10 e External sensors Depending on type e g temperature rel humidity NanoCheck data velocity e Service data Pump current battery capacity operational errors etc Grimm s 1 178 Software also offers options for complete statistical analysis of data as well as instrument performance and complete system diagnostics For the windows software model 1 178 a separate manual is available
23. instructions for handling lasers and laser radiation described in chapter 1 Important hints for the customer 3 11 Calibration label The calibration label on the rear panel shows the month and year until the calibration is valid After the expiration of validity Grimm Aerosol Technik does not guarantee any accuracy of the measured values within the given allowance This validation expires in case of a removed or broken calibration label 3 12 Model designation and serial number The model designation and serial number is named on the label on the rear panel of the device The serial number has 8 digits An example Portable Aerosol 9G070031 spectrometer Model No 1109 model 9 for 1 109 8 for model 1 108 Serial No 96070031 hardware version G for all 1 109 F for all 1 108 POT ITA REO RAL year of manufacture two digit 08 07 etc Made in Germany Sconsecutive number of the model in a year 0001 0002 3 13 Sample outlet with end cap 1 2 liter air per minute which have been sucked in through the sample inlet at the front panel leave the sample outlet on the rear panel of the device The sample outlet is covered by an end cap but not pressure tight Is the end cap attached some of the discharged air leaves the housing through different ports like slots battery case or the slot for the storage card The sample outlet though is necessary for the correct function of certain accessory due to sample ai
24. instrument to the measurement mode by pressing the standby key will automatically reactivate the system test and calibration check The system self test and calibration consists of a series of electrical diagnostics and measurements performed with internal clean rinsing air to check the optical components When the system self test and calibration are complete the display will indicate Self Test OK If an error should arise during the self test then the following message appears New Self Test If this news should appear more than once then the following message appears Fatal Error Please Check There seems to be an application error that must be remedied Possible causes for this are a fluff which hangs inside the device at the optical chambers inlet and extends into the laser beam very unclean measurement cell an instrument temperature over 50 C a laser or another hardware defect First try to remedy the error by a well cleaning of the sample inlet duct Therefore see chapter 6 3 Cleaning the optical chamber Otherwise the device has to be sent in to the manufacturer for a service Usually the actual dust measurement starts right after the self test After every 6 seconds the measurands on the LCD display are refreshed After one minute the measurands should actually stabilize because in order to have a pretty stable display always the sliding average of the last minute i e the last 10 measurements is being disp
25. measurement values in counts or mass the so called P line and the K line with calibration data The K line appears only once after the self test was completed at the beginning of each measurement The K line contents information about the status of the laser diode and the optical cell More detailed information is given in chapter 6 6 The P line is marked with a P and contains identifying information corresponding to the Bytes saved on the memory card or send via the serial interface Generally the P line appears once every minute or e g after each data string in the so called fast P mode The P line is structured as follows P 10 07 22 15 32 1 20 0130 23193 1 0 0 06 The data in the P Line have the following labeling Year Mon Day Hr Min Loc GF Err Qbatt Im Uel Ue4 Ue3 Ue2 Uel lv As follows the meaning of the individual values will be explained with examples printed bold P 10 07 22 15 32 1 20 0130 23193 1 0 0 06 The first five positions contain the date and time with year month day hour and minutes P 10 07 22 15 32 1 20 0130 23193 1 0 0 O 6 After this follows the location number selectable from 1 to 99 and the gravimetric factor For measurements in the count mode the gravimetric factor will be ignored and set to a default value of 20 In mass mode the gravimetric factor is adjustable The default value is 1 P 10 07 22 15 32 1 20 0130 23193 1 0 0 06 On position eight the error codes are stored The error codes are binary coded v
26. power is restored The instrument will switch directly to the operational mode without asking for filter exchange information and will calculate the mean values included in the previous measurement If the instrument ends up in an undefined status e g due to a heavy external failure which disables the control via the keypad the instrument has to be shut down by removing the battery or the mains supply respectively After inserting the battery or after connected mains adapter the instrument will switch on automatically Due to this mechanism a measurement will be continued independently after a power cut ES Ka Ge Ka su D Figure 11 keypad at 1 108 and 1 109 with 10 functional keys and loudspeaker for acoustical warnings mounted behind the keypad alarm ON The key functions partly differ in run mode and standby mode All functions will be explained on the following pages in detail To change the settings at the instrument the respective key has to be pressed and hold and then the changes can be input by using the and keys All changes entered via the keypad will be confirmed by a beep signal Modell 1 108 1 109 26 of 81 Key functions in the standby mode The settings of the aerosol spectrometer can be changed in the standby mode by use of the and keys Mean values and calculated filter weight The options for pressing the Mean Weight key solitary are the same in the operational mo
27. sending the ASCII rows 124 and 9 or sending the vertical line and press tabulator the dust monitor will change into the service mode 0 During the data output via the RS 232 interface additional data and explaining texts will be output In the service mode some additional commands are available e g date of last service with or adjustment of the flow 4F Example 1 Pressing key V in the user mode shows the version number of the software V Version 12 30 E Pressing key V in the service mode shows additionally to the version number of the software following details Creation date of the assembler part processor type creation date of the basic part date dd mm yyyy V Version 12 30 E DM109G 17 12 2007 87C552 011 DM109G 14 12 2007 Example 2 Normal data presentation in the user mode P 8 12 10 18 48 1 20 0130 23193 1 0 0 0 0 C_ 132940 77350 48435 22270 9325 4610 3210 1795 235 1305 1050 765 575 385 280 195 131 C c 131 82 68 49 33 20 13 10 Cos 7 4 2 1 1 0 0 0 Data presentation in the service mode with short explanations of the P line values Year Mon Day Hr Min Loc GF Err Qbatt Im Uel Ue4 Ue3 Ue2 Uer lv P 8 12 10 18 48 1 20 0130 23193 1 0 0 0 0 C_ 132940 77350 48435 22270 9325 4610 3210 1795 235 1305 1050 765 575 385 280 195 131 C c 131 82 68 49 33 20 13 10 Cc 7 4 2 1 1 0 0 0 Modell 1 108 1 109 52 of 81 5 5 RS 232 Data transmission The data are transferred in three data strings The actual
28. the pump s exhaust air via a zero filter and being held constant by a rinsing air control The rinsing air protects the laser optics just as other components of the optical measuring cell from pollution and serves during the self test as particle free reference air At the beginning of every measurement the device makes a self test Here all optical pneumatical and electronical components are being checked The self test lasts about 30 seconds Afterwards the actual measurement starts and the LCD display shows continuously every six seconds the data This enables real time measurements of the dust concentration At the same time all measuring results will be transmitted in certain adjustable storage intervals to the storage card if one was inserted into the device Via the built in RS 232 interface data can be transmitted to an external PC or printer Data output can happen in intervals from 6 seconds up to 60 minutes With online PC connection even intervals of 3 2 or 1 seconds are possible Modell 1 108 1 109 11 of 81 2 2 Measuring principle The sample air is led directly into the measuring cell via the aerosol inlet or other custom designed air inlets e g for high wind speeds or overpressure The particles in the sample air are being detected by light scattering inside the measuring cell The scattering light pulse of every single particle is being counted and the intensity of its scattering light signal classified to a certain particl
29. the storage card is not accepted Please check if the write protection of the data storage card is being activated The write protection can be activated respectively deactivated with slider next to the cards battery case If no data storage card is being used the LCD shows after switching on the device NO MEMOCARD Starting a measurement and additional warning signal beep tone resounds Modell 1 108 1 109 24 of 81 Data preservation and storage times A buffer battery preserves the data on the storage card If the storage card is inserted inside the device the power supply happens via the device Before changing the battery please read out all the data otherwise data loss might happen Having the message PLEASE REPLACE MEMOCARD means that the battery of the storage card has to be changed There are data storage cards with various storage capacity beginning at 256 KB up to 4 MB The storage interval can be selected stepwise Transcending the stated storage time leads to overwriting of the oldest values The card remains ready to operate Table 1 Storage times of the data storage cards for firmware version 8 60 model 1 108 MES Pe A E o 2 E fe INTERN l2ih4min Wd n lodon 13d13h 27a2h 54d4h 2h10min hsmin femin Pm 80 Kbyte Table 2 Storage times of the data storage cards for firmware version 12 30 model 1 109 EE EE EE ee 1h 12min Some more hints e The storage card should be c
30. value of 2000 000 for the lowermost size channel gt 0 3um for 1 108 respectively gt 0 25um for 1 109 shows within operation mode particle concentration a transgression of the measurable total concentration coincidence In this case a diluter is necessary Setting the storage interval After inserting the data storage card the LCD shows the storage card s capacity as well as the spare storage time During this display the storage interval can be changed with a the keys or By short lifting of the storage card and reinserting the LCD again shows the storage card s capacity but now with the new information of the spare storage time Setting date and time Short pressing Displaying date and time Longer pressing Setting date and time The location of the blinking cursor can be altered by pressing or Pressing Date Time again transfers the cursor Pressing no key for about 3 seconds the device switches back into stand by mode Changing the minutes zeroes the seconds Changing the gravimetric factor Factor Simultaneous pressing of the keys Factor C and or lets you alter the C gravimetric factor in intervals of 0 05 between 0 1 and 9 9 The C factor will be taken into consideration when displaying the dust mass on the LCD Displaying the dust mass via HyperTerminal they are always related to a C factor of 1 The C factor will be separately given on seventh position in the P line GF for gravimet
31. values Pressing only the key Size Mode longer than three seconds or pressing additionally the key Date Time the values of the analog input values and time will be displayed This remains set until pressing any other key Requesting the battery capacity and measurement location number By pressing the Battery Location key the current battery capacity as percentage as well as the set measurement location number will be displayed When operating with a mains adapter always 130 are displayed At a fresh charged battery values above 100 are possible Pressing and holding the key Battery Location the measurement location number can be altered by means of the keys or The measurement location number is an additional differentiation of various measurements and can be set between 1 and 99 When reading out the data storage card via the Windows software the datasets can be chosen individually according to their measurement location number which shortens and simplifies the data transmission Changing the alarm thresholds necessity of a diluter at coincidence Simultaneous pressing of the keys Alarm and or changes the alarm thresholds A value of O deactivates the alarm function value bigger than 0 activates the alarm The alarm value always refers to the size channel in the upper line of the LCD and the set operational mode mass or particle concentration Modell 1 108 1 109 28 of 81 An alarm
32. without laser light no scattering can arise the signal must originate from the electronic noise This indicates a failure of the signal amplifier DC v DC d DC h CO h CO d La I La h K 740 1318 1469 0 0 60 106 The laser diode in the Grimm aerosol spectrometer model 1 108 and 1 109 is operated in alternating with two different laser power the so called Multiplex Mode La I low means low laser current in mA and La h high means high laser current If the La h current increase between 180 to 200 mA the laser diode is broken Modell 1 108 1 109 66 of 81 It also can happen that the laser diode is fine but the soldering connection of the poti on the small laser driver board has broken A broken poti for the high laser current shows La_h values at about the same range of the La I value broken poti for the low laser current is much more sophisticated because the 0 5mW power in the low laser operation mode is quite small Due to some reference resistors the La I and La_h values will not drop to 0 For new instruments a quality assurance protocol with all K line data from the manufacturers calibration is delivered for comparison Modell 1 108 1 109 67 of 81 Product No Description 1 111 Radial symmetric sampling head 1 145A Black leather spectrometer protection bag with shoulder strip 1 147 Acoustic and visual alarm unit 1 148 Mini filter for O test 1 149B Spare part set for second year 1 151A Clean room sampling heads
33. 0 C20 16130 10245 6365 3470 1725 985 685 385 C20 255 210 160 120 85 70 45 35 C21 16155 10090 6210 3380 1580 800 550 300 Modell 1 108 1 109 C21 C22 C22 C23 C23 C24 C24 C25 C25 C30 C30 C31 C31 C32 C32 C33 C33 195 16615 265 15910 220 15975 230 16220 205 16990 290 16690 2 5 15855 185 16840 255 145 10505 220 10150 185 10265 185 10095 190 10675 230 10440 220 9990 155 10570 200 115 6370 185 6410 165 6205 140 6305 135 6570 170 6640 150 6195 115 6690 140 90 3380 140 3485 120 3405 110 3350 90 3620 125 3710 115 3435 70 3665 110 70 80 90 95 65 80 90 50 19 60 of 81 60 1505 60 1610 85 1725 19 1600 55 1650 65 1760 70 1670 40 1770 60 35 890 35 825 55 925 50 790 40 925 50 1050 50 840 20 840 45 30 640 30 580 25 630 35 600 30 640 30 710 20 970 15 605 30 2 sec interval 16 channels gt 0 25um to gt 2 5um in P 100ml Year Mon Day Hr Min Loc GF Err Qbatt Im Uel Ue4 Ue3 Ue2 Uel lv P 8 12 10 11 0 64 130 14 5 4 0 0 0 8 COO COO C02 C02 C04 C04 C10 C10 C12 C12 C14 C14 C20 C20 C22 C22 C24 C24 C30 C30 C32 C32 16305 2 2 15862 260 16182 225 16482 265 16210 262 16170 240 16365 252 16385 282 15987 220 15520 290 15790 245 10442 220 10097 217 10197 190 10
34. 0 000 particles liter 0 1 to 100 000 g m Illustrating the mass distribution an additional channel up to 0 23 um below the actual measuring range will be extrapolated by adjustment through a lognormal distribution 3 over the whole measuring range 1 2 l min 5 constantly through control 0 3 l min constantly through control Automatic self cleaning when switching into stand by mode 47 mm PTFE filter without supporting tissue Via keypad or PC and RS 232 interface using the Windows software Modell 1 108 1 109 LCD display Self test Measuring intervals Storage interval Communication Data output LCD display Data output Analogue input Data interface Data storage card Sample air Sample air refeeding Dimensions L x W x H Weight Memory function 19 of 81 or HyperTerminal program and control commands 2 x 16 alphanumeric characters illuminated Automatically after each start up Selectable 6 sec normal for all channels or in 1 2 or 3 seconds intervals selectable for the lower or upper half of all size channels equates to 16 channels for the 1 109 resp 8 channels for the 1 108 Selectable 6 sec 1 min 5 min 10 min 15 min 30 min 60 min for all channels or 1 2 or 3 seconds for the lower or upper half of all size channels equates to 16 channels for the 1 109 respectively 8 channels for the 1 108 External RS 232 9 pole SUB D female connector for communication with external PC
35. 05 75 C23 6180 1934 790 315 215 140 100 45 C24 6377 2059 765 300 180 120 75 45 C25 6712 2039 750 395 215 140 105 60 C30 6479 1999 780 300 205 110 70 50 C31 6621 2094 765 360 240 155 90 65 C32 6809 2079 815 370 220 125 105 65 C33 6261 1984 785 275 190 100 80 45 C34 6383 1989 750 350 200 130 85 70 C35 6166 2074 890 390 260 160 120 80 C40 6469 1964 740 290 175 105 60 40 C41 6687 2170 910 400 230 130 100 80 C42 6277 1919 775 340 225 155 100 45 2 sec interval 8 channels gt 0 3um to gt 2 0um in P 100ml Year Mon Day Hr Min Loc GF Err Qbatt Im Uel Ue4 Ue3 Ue2 Uer lv P 8 12 10 18 55 1 20 0130 22 1 2 0 0 0 8 COO 6482 1974 848 360 208 153 100 68 C02 6236 1909 755 340 208 125 100 55 C04 6095 1996 808 383 248 153 130 90 C10 6383 1926 718 318 210 108 80 43 C12 6026 1831 730 348 220 138 93 73 C14 6338 1884 745 368 233 155 115 73 C20 5983 1768 723 265 183 120 63 38 C22 6322 2034 713 310 203 118 83 58 Modell 1 108 1 109 56 of 81 C24 6213 1856 705 300 198 118 83 65 C30 6320 1984 748 355 225 148 90 68 C32 6598 2089 768 355 215 130 93 53 C34 6144 1939 745 300 163 90 53 35 C40 6410 2042 718 265 155 93 68 50 3 sec interval 8 channels gt 0 3um to gt 2 0um in P 100ml Year Mon Day Hr Min Loc GF Err Qbatt Im Uel Ue4 Ue3 Ue2 Ueli lv P 8 12 10 18 57 1 20 0130 22193 1 0 0 0 7 COO 6121 1930 727 285 167 105 77 52 C03 6382 2069 789 363 235 148 107 60 C10 6182 1962 785 353 228 140 98 50 C13 6130 1835 742 320 213 133 105 67 C20 6400 2002 77
36. 0V To use any customized sensor a suitable 6 pole analoge connector has to be used The Pin setting are as followed Pin1 Input 1 Pin2 Input 2 Pin3 Input 3 Pin4 GND Pin5 10V 40mA Pin6 1 Wire Bus Modell 1 108 1 109 72 of 81 7 8 PAH sensor model 1 301 and adapter kit model 1 301 HLX This sensor measures the total concentration of particle bound polycyclic aromatic hydrocarbons PAK resp PAH The sensor does not possess an own sample air pump and thus is supplied by the dust monitor The measured data is transmitted via the serial RS 232 interface to the dust monitor The PAH sensor and the dust monitor are being mounted together into an adapter kit This enables a mobile battery powered application With an installation inside a weather protection housing the data transmission occurs via the analog socket of the dust monitor The power supply takes place by means of a cable adapter via the mains adapter of the dust monitor Technical data Sensor dimensions Weight sensor only Power supply Battery Plug Interface Measuring range Sensitifity Resolution Data rate Status display Adapter dimensions Weight adapter only 240 x 75 x 75 mm 9 45 x 2 95 x 2 95 inches 1 75 kg 3 9 Ibs 10 28 VDC lt 1 2 A max 12VDC lead battery 9 pin SUB D amp low voltage socket RS 232 1 wire analog out 12C up to 5000 fA max settable lt 1 ng m aerosol dependent gt 12 Bit lt 6 s up to
37. 1 109 the multiplex operation will be switched on D ASCII data transmission of the data storage card only within stand by Example within count mode for model 1 109 D Memocard 12 30 from 9G040001 Location 2 P 5 2 23 14 28 2 0 0 44 13 65185 0 0 0 1 K 427 800 1611 0 0 35 91 0 0 0 0 H 5 2 23 14 33 2 20 0 42 30 64 185 0 0 0 1 C 420648 312631 253253 138895 73489 33731 13396 6428 C 3061 2279 1395 647 493 365 274 197 c 197 146 110 77 36 18 10 7 C 4 2 0 0 0 0 0 0 P 5 2 23 14 56 2 0 0 41 20 64 185 0 0 0 1 K 546 825 1631 0 0 35 91 0 0 0 0 Annotation The data transmissions for model 1 108 and 1 109 are basically the same The P and K line is identical Only the size resolution of the data is different For model 1 108 the measurement data are listed in two lines C and c_ compared to four lines of the 31 size channels for model 1 109 C C Cc c 3 AD Cuts off the measurement data transmission Modell 1 108 1 109 45 of 81 E Output error code ERROR Error NEW SELFTEST Fault Self test kaf NO MEMOCARD No storage card or wrong version or card with data of another device CHECK NOZZLE Whirls gt 5 NO OPERATION Battery capacity 0 AE Request for measurand transmission Switching off the fast mode 128 32 16 8 PLEASE RECHARGE ___ Batterycapaciy lt 10 2 2 MN F Switching on fast mode The measurands will be output every 6 seconds to the connected PC indep
38. 1 15 0 0 0 18 0 67 0 9 5 20 0 65 1 5 9 25 0 61 2 1 8 30 0 58 3 0 6 35 0 56 1 0 1 40 0 54 5 0 1 50 0 52 5 0 60 0 51 4 80 0 50 4 100 0 50 1 Graphical illustration 100 80 Einatembare Konvention Prozent der 60 gesamten luftge tragenen Partikel der Konventionen p Aveoleng ngige Konvention 40 Y Thorakale Konvention 20 1 2 3 4 5 10 20 30 40 50 70 100 Aerodynamischer Durchmesser in Mikrometer Figure 16 Inhalable thoracic and alveolic concention in percent of all airborne particles according to EN 481 1993 page 5 workplace atmospheres size fraction definitions Modell 1 108 1 109 81 of 81 11 Software model 1 178 The revised software 1 178 was introduced in 2010 ans is fully compatible with all operating systems under Windows The former software 1 177 is a 32 bit Software respectively the version 1 174 was a 16 bit software Annotation All 1 177 software versions and prior versions e g 3 20 or 3 00 are compatible to Windows XP and the operation under Windows Vista or Windows 7 was not guaranteed The data are displayed numerical or graphical in the following formats e Count distribution Particle number concentration for all channels in particles liter e Occupational health Three mass fractions inhalable thoracic and respirable alveolic in ug m Values calculated in accordance with the European
39. 480 230 10112 222 10182 190 10267 200 10425 220 10085 170 9662 240 10032 220 31 4 6597 192 6237 165 6372 152 6570 175 6325 160 6275 142 6442 165 6530 185 6375 135 6180 205 6342 180 3662 147 3497 142 3927 110 3997 140 3555 120 3457 120 3592 122 3587 137 3425 100 3330 162 3597 145 11 82 67 19 92 65 1800 117 1630 102 1737 105 12 67 1777 102 1755 19 62 1585 45 1615 60 1705 70 1665 47 1545 100 1687 115 19 85 982 870 19 45 852 35 947 65 967 42 870 30 870 40 892 92 880 32 915 42 910 55 632 92 995 27 615 22 672 45 685 32 612 22 615 27 657 27 587 27 620 27 645 40 380 340 360 340 400 425 290 335 395 350 330 417 392 360 355 397 335 3 2 370 Modell 1 108 1 109 61 of 81 C34 16345 10450 6767 3652 1705 895 647 400 C34 297 257 212 175 110 90 65 90 C40 16660 10680 6725 3720 1760 932 660 425 C40 280 230 170 147 100 80 50 32 3 sec interval 16 channels gt 0 25um to gt 2 5um in P 100ml Year Mon Day Hr Min Loc GF Err Qbatt Im Uel Ue4 Ue3 Ue2 Uel lv P 8 12 10 11 33 1 0 64130 14 4 4 0 0 0 7 C00 16006 10106 6431 3508 1668 926 658 401 C00 255 208 155 126 73 56 38 28 C03 16078 10245 6485 3606 1748 948 703 435 C03 298 260 213 171 110 96 80 70 C10 16010 10148 6313
40. 7 352 225 143 107 62 C23 6152 1929 777 355 258 170 105 65 C30 6246 1930 759 317 213 122 82 57 C33 6319 2044 824 323 227 155 115 73 C40 6249 1919 730 293 170 103 80 55 model 1 108 version 8 60 operational mode mass Normal Dust Mode 1 min interval 16 channels gt 0 23um to gt 20 0um in g m Year Mon Day Hr Min Loc GF Err Qbatt Im Uel Ue4 Ue3 Ue2 Uel lv P 8 12 10 19 2 1 20 0130 22193 1 0 0 00 Flow 100 Sec 26 N 818 791 765 749 739 732 724 712 n 683 609 539 490 408 329 157 0 3 6 sec interval 16 channels gt 0 23um to gt 20 0um in pg m Year Mon Day Hr Min Loc GF Err Qbatt Im UeL Ue4 Ue3 Ue2 Uer lv P 8 12 10 19 4 1 20 0130 22193 1 0 0 O 6 NO 462 434 408 392 381 375 364 346 no 307 233 183 169 98 0 0 0 N1 1551 1524 1497 1480 1469 1464 1457 1449 nt 1421 1325 1237 1143 1072 1072 785 0 N2 378 348 320 305 294 285 273 259 Modell 1 108 1 109 n2 225 135 N3 567 540 n3 448 376 N4 693 667 n4 563 493 N5 1326 1298 no 1180 1115 N6 478 450 n6 347 284 N7 411 387 n 303 253 N8 445 419 n8 297 227 N9 1502 1474 n9 1382 1316 66 514 326 642 424 1272 1039 424 227 362 178 395 165 1447 1259 57 of 81 0 0 0 0 0 499 487 480 473 463 312 98 0 0 0 626 616 609 604 598 35 7 286 286 0 0 1256 1243 1236 1228 1217 919 883 785 785 0 408 399 393 388 380 134 98 0 0 0 346 3384 327 319 308 71 0 0 0 0 381 3 0 366 358 340 71 0 0 0 0 1432 1421 1414 1404 1390 1206 1170 1072 785 0 Modell 1 108
41. BG 93 Laser radiation prevention regulation for possible accidental exposure CAUTION I invisible Laser Radiation I Avoid Exposure when cover removed LASER CLASS 1 x S ecos 8 Ss SN IITTI nl og N All stickers shown are on the bottom of the instrument and warn the operator for laser light radiation in case the covers of the instrument have been dismounted Laser class 1 in closed state of the measurement unit Laser of class 1 are not dangerous and safe for eyes even in case of malfunction due to manipulation or usage of optical additives e g binocular microscope etc e The glass fuses built in the instrument Pico fuse 2A quick type and switching capacity 300A 32V DC must only be replaced by trained service staff with the type specified in the circuit documents Because the devices are secured by electronically excess current cut out the fuse will only respond at a severe malfunction 1 4 Transportation The instrument may be transported only in the original packing and in the switched off mode The aerosol inlet and output have to be closed with provided covers We reserve the right to change or improve the instruments described in this manual without previous announcement simply in accordance to the technical progress Therefore insignificant deviations between the descriptions in this instruction and your measuring instrument are possible Modell 1 108 1 109 10 of 81 2 Model 1 108 an
42. HLX separate manuals are available Modell 1 108 1 109 74 of 81 7 10 Weather protection housing model 165 High air humidity usually leads to incorrect measurements at optical working dust monitors for the water molecules will be recognized as particles and thus falsify the measurands But in order to be able to do measurements in spite of those bad conditions occurring in the nature a specific weather protection housing was developed This contains an annular gap mixer by which eae free dry air can be refed to the sample airflow This method decreases the relative air humidity so that Ro uten even in case of high humidity values Weather protection housing reproducible dust measurements can be 165 ne done The controlling of the mixer a th inteor rated Penta electronics that controls the proportion of oih 20 particle free dry air and sample air botas and humidity pl happens via the dust monitor At the de device a certain humidity threshold value can be set starting from which the mixer is to be activated If the mixer is switched on amount of the air sucked in by the device remains constantly 1 2 l min however the sample air will be diluted 1 1 The software takes this into consideration when calculating the dust fractions the filter weight and its according volume flow For generating the dry and particle free mixed air the exhaust air of the aerosol spectrometer is being used which there
43. ION ius da 34 Modell 1 108 1 109 4 of 81 SIT OANE RATON LABEL ias 34 3 12 MODEL DESIGNATION AND SERIAL NUMBER 0ccccececcccececececcusecscuceueeeecseauceteceucuseeetenseeneuse 34 3 13 SAMPLE OUTLET WITHEND Eeer 34 3 14 LOCKING FEATURE FOR BATTERY CASE AND LEAD STORAGE BATTERY cceceececeseceeeeeeseveees 35 Safety instructions and lead storage battery maintenance occcocncocncocononconnnonnnncnnononononannnnnonaninoso 35 4 SYSTEM OPERATION 36 GZ ME ln Re 36 42 RT CR RE 38 4 3 MEASUREMENT MODE AND DATA PRESENTATION 2cecececececececeeeeeeeeeeeeeeeeneneneneeeseeenenenenens 38 4 4 GRAVIMETRIC CONTROL OF THE DUST MAR 39 Determination of the gravimetric factor CG Jactor 40 5 HYPERTERMINAL VIA RS 232 INTERFACE 41 S ENEE EE 41 5 2 ESTABLISHING AN HYPERTERMINAL CONN CTION 41 55 HEET ee 43 54 SERVICE MODE SETTING EE 51 5 5 R5 232 DATA TRANSMISSION NEEN 52 model 1 108 version 8 60 operational mode particle concentration Counts ccoocccocccnccnconncnnon 54 model 1 108 version 8 60 operational mode mass Normal Dust Model 56 modell 1 109 version 12 30 operational mode particle concentration Counts cccoccccocncncncoom 58 modell 1 109 version 12 30 Operational Mode particle mass Normal Dust Mode 61 6 MAINTENANCE AND CLEANING 63 bil FILTER GHAMBE EE 63 62 FILTER CHANGE Ls en 63 6 3 CLEANING THE OPTICAL CHAMBER suse eee de 64 SE HOUSING NN
44. NY D 03404 MNRING Fax 0845457835 BATTERY LOCK WATE PROTECT RR gt Figure 10 Inserting the data storage card Is the storage card inserted when switching on the device or is it being inserted within stand by mode and subsequently accepted the LCD shows for about 3 seconds card size and version Afterwards the interval and free storage time will be displayed With the keys and the data storage interval can be changed during this indication and the free storage times refresh With an inserted and installed data storage card all measured values will automatically be saved on the storage card The device will only accept a data storage card if all data have been deleted or if the card already has been used inside the same device without changing the number or kind of sensors A not accepted data storage card does not show free storage space It is not possible to use a data storage card from an other device if this card is not empty Already existing data from an other device with a different serial number have to be deleted before new data from the actual device can be stored on this card The storage card can be deleted in two different ways On the one hand with the adequate key combination via the key pad see chapter 3 3 Key functions in the standby mode or on the other hand via the Windows software or an adequate control command using the HyperTerminal see RS 232 in chapter 5 3 The measurement does not start if
45. The current calculated filter weight can be requested within operational or stand by mode by pressing the keys Mean Weight and This is also possible by a control command via Hyper Terminal Having a filter weight heavy enough at least 1 mg total dust mass you can exit the measurement by switching into the stand by mode and subsequently switching off the device Avoid agitations during transport Try to take out the filter without losing any collected material Weigh the loaded filter for a higher accuracy again for at least three times The difference to the empty filter weight is the effective gained dust mass Now you can calculate the gravimetric factor according to the equation below gravimetric dust weight on filter loaded filter empty filter calculated dust weight shown by instrument C factor For improving the measurement accuracy one should do the C factor determination several times This value should not deviate from the basic value more than ca 30 However at metalliferous dusts higher values can occur The calculated factor C can now be input into the dust monitor All dust mass concentration values as well as their averages will be multiplied by this factor and accordingly corrected be output on the LCD display The measurands on the storage card and the data output via the RS 232 interface will not be corrected However the gravimetric factor appears in the headline Thus the evaluation software a
46. alues from 0 to 128 The meaning of the error codes is listed in the table in chapter 5 3 for the RS 232 command E A value of 0 means status Is fine no error P 10 07 22 15 32 1 20 0130 23193 1 0 0 06 The capacity of the battery is indicated at position nine followed by the current of the internal sample pump Both values are expressed as a percentage The value 130 for battery capacity indicates the connection with the 220V power supply Typically vales for the pump current are between 20 and 40 P 10 07 22 15 32 1 20 0130 23 193 1 0 0 06 The next five values contain special storage space for low Bits UeL and for the Bytes of at most four analogue voltages of optional sensors the pressure sensor on board Ue4 and the external sensors Ue3 Ue2 Ue1 e g for temperature humidity and velocity Values of 0 indicate that no sensor is connected The resolution of the voltage signal of the sensors is 10 Bit so the Bytes indicated with Ue3 to Ue1 show the upper part only The two low Bits of all four sensors are stored in UeL Whereas the Bits 0 and 1 belong to Ue1 Bits 2 and 3 to Ue2 and so on The maximum of the analogue signal is 10 Volt To get the correct voltage value in the unit volt the 10 Bit value has to be multiplied with the factor 9 776E 3 After this the voltage value is converted into the result value by means of calibration factors of the sensor This calibration factors can be read by the spectrometer command and also edi
47. ansmision occcccocnnnccconnnnonannncnnnnnnnnnos 53 S A ger 8 sample air refeeding o 19 34 68 69 74 sample flow rate AER 18 SOS cita 10 19 37 38 50 SES NG 17 30 31 32 47 67 71 sensor NanocCheck 17 67 73 A AH 17 67 72 serial n mDe anns dd 22 34 47 Sale Le NO EE 33 SIZE NAMES 18 SIIGING average dann 38 SOMWA Cuestas cotas 10 16 27 36 39 81 Modell 1 108 1 109 79 of 81 spare DAMS areas ed 17 67 W o RE II 24 l l standby mode DONS 21 26 29 46 weather housing MIXET aia id 30 Start Of measurement ar 38 46 weather protection NOUSING EE 14 storage interval ooooooccccnnncccccnnnncncnnnnnnnnns 19 22 28 45 X T NON MORE ee 41 TrANSMISSION protocol 41 7 Zero NICU au 16 70 Modell 1 108 1 109 80 of 81 Table 4 Numerical values of the three mass fractions according to the convention EN 481 1993 and for two environmental mass fractions Aerodynamic Inhalable Thoracic Respireable PM 10 PM 2 5 diameter alveolic um 0 0 100 100 100 100 100 1 0 97 1 97 1 97 1 100 99 5 2 0 94 3 94 3 91 4 94 2 85 5 2 5 48 0 3 0 91 7 91 7 73 9 92 2 6 7 4 0 89 3 89 0 50 0 89 3 0 5 0 87 0 85 4 30 0 85 7 6 0 84 9 80 5 16 8 81 2 7 0 82 9 74 2 9 0 75 9 8 0 80 9 66 6 4 8 69 7 9 0 79 1 58 3 25 62 8 10 0 77 4 50 0 1 3 55 1 11 0 75 8 42 1 0 7 46 5 12 0 74 3 34 9 0 4 37 1 13 0 72 9 28 6 0 2 26 9 14 0 71 6 23 2 0 2 15 9 15 0 70 3 18 7 0 1 4 1 16 0 69
48. ber Version the set storage interval Interval can be altered with the keys and the free storage space as storage time Card 4 MByte Version 8 60 Interval 1min free 11d13h20min This complete cycle takes about 20 seconds until the display shows the last question filter changed press yes no Pressing now the Mean weight key will allow the user to view the theoretical filter weight and the corresponding sample volume since this filter was inserted Weight xxx Hg Volume x xxx m The instrument will now prompt the user if the gravimetric filter should be exchanged If the answer is yes by pressing the key the calculated filter weight as well as the corresponding sample volume will be reset to zero Weight 0 00 ug Volume 0 000 m By pressing the key the instrument continues accumulating the dust mass and sample volume data In order to prevent an inadvertent erasure of the stored values the user must press and hold this key for at least 1 second The operation will be confirmed by an audible beep The instrument will then initiate a system self test and ZERO calibration check Self Test This process will last for approximately 30 seconds If the user wishes to modify any of the operation parameters during this time the instrument must be switched into the STANDBY mode Standby Mode Press 2nd Key Modell 1 108 1 109 38 of 81 4 2 Measurement Returning the
49. bility Sample flow rate Rinsing air flow rate Dust collection Handling 18 of 81 18 24VDC mains CLASS II safety extra low voltage SELV optionally battery 12V 2 3Ah type LC SA122R3B6 no stand by parallel operation CLASS III safety extra low voltage optionally battery 12 1 9Ah type LCTA 121R9PG for stand by parallel operation CLASS III safety extra low voltage O Hz 2 5 A Indoors use With appropriate accessory for outdoor use also 1000 m 3300 feet 2000m 6500 feet with individual 1108 1109 fow regulation setpoint adjustment 0 to 40 C 32 to 104 F 20 to 50 C 32 to 104 F r H lt 95 not condensing r H lt 90 not condensing 0 C to 40 C 32 to 104 F lt 95 r H Absolute 1013hPa 120 hPa equates up to ca 1000m ASL Relative 50 hPa for short time periods For continuous operation or differential pressures up to 100 hPa the sample air must be looped back to avoid high Ap Wave length 655 nm 1 109 respectively 780 nm 1 108 Power Pmax 40mW Phom 0 5 30 mW CW Multiplex Given channel thresholds um are valid for a count efficiency ratio of 50 with mono disperse latex aerosol 31 channels 1 109 0 25 0 28 0 3 0 35 0 4 0 45 0 5 0 58 0 65 0 7 0 8 1 0 1 3 1 6 2 2 5 3 3 5 4 5 6 5 7 5 8 5 10 12 5 15 17 5 20 25 30 32 15 channels 1 108 0 3 0 4 0 5 0 65 0 8 1 0 1 6 2 3 4 5 7 5 10 15 20 1 to 2 00
50. built in or out by untrained service staff d Everything mentioned above substitutes other warranty agreements respectively restrictions No further liability claims will be given especially beyond normal usage e Usage and operation is within the customers RESPONSIBILITY He has to obey the legal restraints and claims and has to operate the device according to the lawful and operational purpose Deviations lead to warranty exclusion f Legal measures against the company GRIMM no matter from which side after a time period of 12 months is baseless without exception g The buyer just as the seller both agree that this WARRANTY RESTRICTION which form the claims and restrictions shall not being questioned Both parties are registered traders under German Commercial Code h In case of a legal action the place of jurisdiction is Traunstein Germany Modell 1 108 1 109 76 of 81 9 Transport The product described in here is delivered in a cardboard box Please assure yourself that the shipment is complete and without visible damages lf you spot damages due to the transport you have to reclaim them immediately In this case you must not take the device into operation for safety reasons In order to protect the device from future transport damages we recommend to keep the original packaging If the device is equipped with a transit support they have to be reinstalled previous to the transport Particularly after transport under low
51. calibration with one mother unit and three candidates in this example Grimm Environmental dust monitors with 31 channels 14 Figure 4 Before calibration Simultaneously measured particle number concentration for all 31 size channels of the candidate red and the mother unit blue vs me 15 Figure 5 After calibration Simultaneously measured particle number concentration for all 31 size channels of the candidate red and the mother unit blue VS Ime cece ecc cece seca eeeeeteeeeeeeeeees 15 Figure 6 Recommended accessory for model 1 108 and 1 109 cece cece eee eect eee ee se eee ae eeeeeeeaeeeeeees 16 Figure 7 Pneumatics scheme for models 1 108 and 1100 20 Figure 8 Control elements on the front panel of models 1 108 and 100 21 Figure 9 Control elements on the rear panel of models 1 108 and 100 22 Figure 10 Inserting the data storage car 23 Figure 11 keypad at 1 108 and 1 109 with 10 functional keys and loudspeaker for acoustical warnings mounted behind the Keypad alaridos a id AR 25 Figure 12 PIN configuration of the analog mput cece eee eeceeeceeeeeeeeeeeseeseeeeseeeeeeeaeeeeeseeeeeeeneeenes 32 Figure 13 Function principle of the isokinetic sampling probe 69 Figure 14 Installation of the sampling probe a sampling probe b lucent tube c sample air refeeding 69 Figure 15 Weather protection housing 165 with dryer mixer electronics and sampling head with Integrated annular gap Mer A
52. camasteat a dunia 74 Figure 16 Inhalable thoracic and alveolic concention in percent of all airborne particles according to EN 481 1993 page 5 workplace atmospheres size fraction definitions cccccsecceeceeeeeeeeeeeeeeeeeees 80 Index of tables Table 1 Storage times of the data storage cards for firmware version 8 60 model 1 108 24 Table 2 Storage times of the data storage cards for firmware version 12 30 model 1 109 24 Table 3 Brief overview of all key functions coocccocnconncococonccononononcnconononnonnonanoncnnonnnnnnnnnnnnnonanenanonanons 31 Table 4 Numerical values of the three mass fractions according to the convention EN 481 1993 and for two environmental mass fractions cccccecceceeeeceeceeceuececceeccueceeceeeceecueeeccueceeeeeeseeseesueseesaeeaeesaes 80 Modell 1 108 1 109 7 of 81 Annotation Put hard and software only after precise study of this manual into operation The producer is not liable for damages which are caused through inappropriate initial operation usage cleaning or operating errors Many soft and hardware denominations which will be mentioned within this manual are registered trademarks and have to be treated this way The author s intention is to give you complete and accurate information by this manual Grimm Aerosol Technik does not guarantee completeness and accuracy of the following available information whi
53. ch therefore excludes entitlement to damages that result either collateral or directly from the usage of this manual and or the usage of the soft and hardware Grimm Aerosol Technik moreover is not responsible for damages which result from patent infringement or abuse of a third s party rights Due to continuous improvements and increments differences regarding instruction and illustration of this manual compared to available hard and software may happen If so please ask for the current version of this manual All rights reserved Duplication copy print microfilm and other media of any part of this manual without authorization in written form from GRIMM Aerosol Technik is prohibited just as duplication reproduction or modification through electronic systems Printed in Germany Copy Right O 2010 by GRIMM Aerosol Technik Ainring GRIMM Aerosol Technik GmbH 4 Co KG Dorfstrasse 9 D 83404 Ainring Phone 49 86 54 578 0 Fax 49 86 54 5 78 35 Email service arimm aerosol com Homepage www grimm aerosol com This manual refers to Aerosol spectrometer and dust monitor series 1 108 and 1 109 M E IAQ 1108 1109 Spec v2p4 Meaning of the used symbols In this manual following symbols will be used in order to ease locating important hints advices and situations This symbol indicates useful hints which facilitate and optimize your working process This symbol indicates potential dangers which may lead to malfu
54. d 1 109 2 1 Particle measurement with Grimm s Dual Technology The dust aerosol spectrometer and dust monitors model 1 108 and 1 109 are compact portable devices which have been built for continuous measurement of airborne particles as well as for measuring the particle count distribution They possess an integrated gravimetric filter on which all particles are collected after the optical measurement and thus are available for further analysis This Dual Technology is unique and patent registered by Grimm Aerosol Technik The data can be displayed as particle concentration in the unit particle liter and also as mass concentration in the unit g m By means of the Grimm Windows Software additionally different dust mass fractions can be displayed as well as the calculated particle surface area The standardized dust mass fraction is in terms of occupational health respirable thoracic and alveolic according to EN 481 A second dust mass fraction is named immission PM10 PM2 5 and PM1 These are provided for comparisons of indoor and outdoor measurements but are not in compliance with US EPA or European approval for equivalent measurements EN 12341 The measuring principle of the model 1 108 and 1 109 is the light scattering of single particles with a semiconductor laser as light source Inside the measuring cell the scattering light is being led directly and via a mirror with a wide opening angle onto the detector see figure 1 and 2 The detector
55. d 4 m s 1 152 Isokinetic sampling set for air speeds 2 25 m sec 4 nozzles 1 153FH Sensor for temperature and rel humidity 1 154 Sensor for temperature rel humidity and air velocity 0 3 up to 20 m s 1 162 Plug for analogue socket 1 301 Indoor PAH sensor measures particle bound PAH concentration as sum signal needs the 1301 HLX carrier as well 1 301 HLX Carrying adapter for model 1301 to combine with aerosol spectrometer 1 108 or 1 109 1 320 NanoCheck portable nano attachment measures particle concentration and mean diameter from 25 to 300 nm needs the 1365 HLX carrier as well 1 365 HLX Carrying adapter for model 1320 to combine with aerosol spectrometer 1 108 or 1 109 7 910 Diffuser for sampling inside pressure pipes up to 6 bar Source of supply Accessory consumables and spare parts can be ordered at your local dealer or at GRIMM Aerosol Technik GmbH amp Co KG Dorfstrasse 9 83404 Ainring Tel 49 0 8654 578 0 Modell 1 108 1 109 2 5 Technical data Nominal rating 1 108 and 1 109 Supply voltage Frequency Maximum current Application use Maximum altitude Temperature range operating Temperature range storing and transportation Max relative humidity operating Max relative humidity storing and transportation Sample air temperature Sample air pressure range Technical data 1 108 and 1 109 Laser Size chamnels Particle concentration Dust mass range Reproduci
56. de Mean Pressing the Mean Weight key will display the mean value in mass or counts The selected Weight channels are hereby underlined The mean calculation takes all measurements into account since the instrument was powered up or the mean value calculation was reset to zero When pressing Mean Weight and holding the key for 5 sec the mean value will be jon reset to zero Also the sample air volume will be reset to zero When pressing Mean Weight and holding the key for 5 sec the calculated filter Mean weight and the corresponding sample air volume will be displayed This value is Weight essential for the determination of the C factor for gravimetric validation Clear memory card and formatting the data storage card M Factor When pressing Mean Weight and the Factor C key simultaneously the message Mean E clear memory card are you sure will show up Confirming this question by Weight pressing the key will clear all data on the data storage card and format the card If no data storage card is in the instrument the message clear memory are you sure will show up The erasure is the same procedure and will clear the 80 Kbytes internal memory This key combination also lets you format a new data storage card previous to first time operation or if you want to use a data storage card which has been used in another device before Starting a new measurement Stand Leave the stand by mode and start a n
57. de and laser diode and their functionality were tested and controlled The results are displayed in the so called K line if the unit is operated via HyperTerminal The values in the K line will be explained with full details below Modell 1 108 1 109 65 of 81 DC v DC d DC h CO h CO d La La h K 740 1318 1469 0 0 60 106 The value DC v indicates the DC voltage of the photo diode without the bias voltage offset value of the pre amplifier This value acts as referee and is without further meaning for the customer DC v DC d DC h CO h CO d La I La h K 740 1318 1469 0 0 60 106 The photo diode induces an open circuit voltage during the laser diode is switched off This open circuit voltage is called DC d whereas d means dark A value of 1318 in the K line corresponds to a voltage of 131 8 mV If the laser is switched on the voltage at the photo diode will increase in the example above to 146 9 mV This means the h in DC_h means high The increase of the DC voltage results from the rest light of the laser e g due to reflexion in the optical cell The better part of the laser light is absorbed by the light trap Both the DC_d and the DC_h value are variable and depend e g on temperature The difference between the DC hand DC d always should show a nearly constant value In the example above app 15 mV 146 9mV 131 8mV Herby this difference is a good indicator for the condition of the optical cell If the difference between
58. dell 1 108 1 109 16 of 81 2 4 List of accessory After unpacking the device please check the scope of delivery with the packing list for completeness In case of damage or missing components please contact Grimm Aerosol Technik or your local dealer immediately Necessary respectively recommended accessory Nr in Product Description Figure 6 Nr 1 1 141 Special Grimm USB data cable for RS 232 2 1 112A Power supply 95 250 VAG 47 63 Hz 3 1 143E Special Grimm RS 232 connecting cable 4 1 113A 25 PTFE filter 47 mm 5 1 110 Lead battery type LCS 2312 AVBNC 12V 2 3A for 6 8 hours continuous operation 6 1 111 Radial symmetric sampling head 7 1 119 Straight sampling tube for hose 8 1 142 A4 Data storage card with 4 MB storage capacity 9 1 177 Windows software Version 3 30 date 2009 10 1 148 Mini filter for O test 1 144B PVC carrying case with rigid foamed plastic insert for device and accessory 1 118A User manual in German or English PARTICLE ep DUST COUNTER MONITOR i TIO e 13 b t Programmer e MEMORY CARD GRIMM fs Figure 6 Recommended accessory for model 1 108 and 1 109 Modell 1 108 1 109 17 of 81 Additional accessory according to appliance 1 145A Black leather carrying bag with shoulder strip 1 147 External acoustic and visual alarm unit 1 149B Spare part set for ane year includes X803 1 110 1 113A 1 119 1 148 a o 1 151A Clean room sampling heads for air speeds 0 5 1 2 an
59. der START gt PROGRAMS gt ACCESSORIES gt COMMUNICATION gt HYPER TERMINAL 1 Enter a name for the new connection and confirm with OK Connection Description Modell 1 108 1 109 42 of 81 2 Choose the right COM and confirm with OK Connect To Enter details for the phone number that you want to dial Country region Area code Cancel 3 Following settings are to be done COM1 Properties Port Settings Bits per second Data bits Panty Stop bits How control Restore Defaults 4 Check the connection by pressing v Now the version of the device should appear If you send a you will get a chart with all possible commands See therefore the chapter 5 3 RS 232 s When you established a connection you can change the settings of the measurement device via the according commands start measurements as well as exit measurements and record or transmit data For last mentioned select in the HyperTerminal menu TRANSMISSION and RECORD TEXT Modell 1 108 1 109 43 of 81 Grimm 110X HyperTerminal Datei Bearbeiten Ansicht Anrufen Mac 1 E zl N GI Datei senden Datei empfangen Text aufzeichnen Textdatei senden Am Drucker aufzeichnen 5 Enter now your favored file name with the ending TXT Text aufzeichnen Ordner F Dater DAD aten ateiname txt 6 Press now d and the following has to appear D Memocard 8 60
60. e The instrument will be delivered with a certificate of calibration The condition of the spectrometer should be checked annually Therefore the device has to be sent to the manufacturer where it will be inspected and calibrated by means of a reference device Alternatively the customer him herself can do the calibration Therefore a calibration tower and a reference device are necessary In order to be able to handle this calibration tower in a correct way two specific trainings are preliminary The reference device itself has to be inspected and then certified annually by the manufacturer using mono disperse latex How does Grimm Aerosol Technik calibrate The calibration of aerosol spectrometers is done by each manufacturer in a different way Such a method can be denominated as house standard Why Because there is no worldwide standard for calibration of aerosol spectrometers but every manufacturer is Supposed to use the standard aerosol particles for size calibration poly styrene latex PSL The Grimm calibration house standard is based upon a comparison between a mother device calibrated with PSL and a candidate What is a Grimm mother device For the mother device there was a certain calibration response curve calculated containing all relevant parameters of the aerosol spectrometer laser wave length position of the detector opening angle of the detector PSL refractive index m 1 60 i0 etc Hereu
61. e entire sizing range for all Grimm spectrometer from app 0 2um up to gt 30um Due to the fact that both the mother unit and the candidate are manufactured identically the dolomite dust must lead to identical results in both spectrometers The dolomite dust is injected by a 40msec pulse of particle free compressed air at the top of the cylindrical calibration tower and dispersed homogeneously over the whole round cross section At the bottom of the calibration tower up to three candidates and one mother unit are attached at identical aerosol inlets reverse flow of particle free compressed air from the bottom to the top of the cylindrical tower guaranties a well defined and reproducible aerosol particle distribution during the whole calibration procedure Modell 1 108 1 109 14 of 81 During the calibration the counts in every single size channel starting from the biggest are compared between the mother unit and the candidate simultaneously The calibration software is able to compare six size channels at the same time The statistical comparison is based on a mean value calculated by a set of 15 single values A single value is displayed every 6 seconds Depending on the measured particle concentration the calibration software can adjust the electronically thresholds of the candidate Threshold lower more particles in the channel Threshold higher less particles in the channel GRIMM Kalibriersoftware 5 x Anwendungen Enstelungen Fen
62. e reference unit and for each candidate the electronically settings of the threshold the counts of the candidate and the calculated relative error To indicate the meaning of the relative errors three different colours are used Red values indicate a running calibration of a size channel out of range Green values mean a running calibration within the range Black values means that the relative error is saved for quality assurance the channel threshold is fixed and the channel is labeled with Kalibriert in the software table The mean value comparison is repeated approximately 10 times for each size channel till all readings of the candidate are repeatedly within a given range with a accuracy of 2 compared to the mother unit The certified accuracy for the mass mode is 5 because of the fact that the particle diameter affects the particle mass by the third power The calibration software controls all relevant parameters plus the amount of calibration dust order to assure that the measured concentrations are above a fixed minimum All results are stored electronically and are activated in a data bank for quality assurance After the tower calibration a further comparison at indoor conditions is done To illustrate the described procedure the following two screenshots so called ramp from the Grimm calibration software CalSoft show two examples of a measured particle number concentration of a candidate compared to a reference unit be
63. e size The measuring principle is schematically shown in figure 1 detector SN sample air ka A ebe light trap Ges ten IY scattering angle i a a A aperture SS angle mirror Figure 1 Measuring principle series 1 108 and 1 109 All Grimm laser aerosol spectrometers and dust monitors use a laser diode as light source The wavelength is different within the model series and is for model 1 108 in infrared range at 780 nm and for model 1 109 in visible range at 655 nm The laser diode can be operated in a so called Multiplex Mode i e the intensity of the laser beam is being modulated This way particles can be detected over a very wide size range from 0 3 um up to 20 um model 1 108 respectively 0 25 um up to 32 um model 1 109 The laser beam is focused to a flat elliptical strip by means of illumination optics Inside the focus the laser beam lights a small measuring volume evenly and subsequenily is being led into a light trap The sample air is focused aerodynamically and then led as particle flow through the inner area of the measuring volume When doing environmental measurements the particle concentration of the sample air is normally so low that statistically seen only one particle is in the measuring volume Measuring at particle sources technical particulate matters or working places very high particle concentrations can appear which require a previous dilution of the sample air Due to the fact that the entire sampl
64. ed with a pneumatic locking device Various sampling inlets with an outer diameter of 4 mm can be mounted quickly and gastight without using tools simply by plugging them in into the sample inlet In order to loose and remove the sampling head just press and hold the blue plastic lip According to the application various sampling heads are available Is the device out of operation the sample inlet should be protected by the black plastic cap in order to avoid particles intruding and thus polluting the optical chamber Is the device in operation an internal rinsing airflow protects the optical chamber from pollution 3 5 Analog input The 6 pin analog connection has 3 analog inputs for reception of measurands from different sensors with an output voltage between 0 and 10 Volts The connection socket besides can provide a voltage of 10 Volts up to 40 mA for powering the sensors Possible sensor types can be temperature air velocity pressure CO or relative humidity sensors The measured analogue values are sequentially displayed on the LCD and stored on the data storage card The resolution is 10 Bits ca 10 mV Texts and factors for the LCD display are adjustable Input 1 0 10V Input 2 0 10V Input 3 0 10V GND Grounding 10V 40mA 1 Wire Bus O 0O A ODD Figure 12 PIN configuration of the analog input Modell 1 108 1 109 33 of 81 3 6 Connection for power supply The aerosol spectrometer can be power supplied
65. endent from the set storage interval The storage interval for the storage card remains uninfluenced by the fast mode G Output gravimetric factor Can be altered within stand by mode with a step size of 0 05 in the range from 0 1 up to 9 9 AG Bytes per interval Shows the demand of storage space for the chosen interval H Output operating hours Hour Interval for normal output and storing onto the storage card It can be altered within stand by mode 0 1 Minute 1 5 Minutes 2 10 Minutes 3 a 15 Minutes 4 30 Minutes 5 60 Minutes 6 6 Seconds 7 3 Seconds only online via Terminal program or Windows software 8 2 Seconds only online via Terminal program or Windows software 9 1 Seconds only online via Terminal program or Windows software Annotation In order to choose the intervals 7 8 and 9 the multiplex mode has to be switched off before with the command lt or gt For 1 108 lower 8 channels from gt 0 2um to gt 2 0um upper 8 channels from gt 2 5um up to gt 20um For 1 109 lower 16 channels from gt 0 25um to gt 2 5um upper 16 channels from gt 2 5um to gt 32um Modell 1 108 1 109 46 of 81 J ved of the channel tresholds in um only within count mode channel tresholds je 25 ao las 140 150 es 75 185 je 1100 1125 1150 1175 1200 1250 300 1320 Number of particles 6935 3095 ejer n Te Ja p p Jo Jo ce Jo Jo Jo fo fo Jo fo fo Annotation Different at 1 108 and 1 109 T
66. ew measurement by pressing the Stand by key by Setting the measurement mode and choice of the displayed size channels Holding the key Size Mode and pressing additionally the key or lets you change Size 4 the measurement mode either particle mass or particle concentration The LCD display Mode shows on the right side the accordant unit g m or particle per liter as I Decisive for the measurement mode and the change of the measurement mode is the setting in the upper line of the LCD display Leaving the size range by pressing the key or the measurement mode changes Modell 1 108 1 109 27 of 81 Example 1 The display of the 1 108 shows in the mass mode gt 20um g m in the upper line Pressing again and the measurement mode will change to particle concentration indicated by gt 0 3um Nl Example 2 The display of the 1 109 shows gt 0 25um II in the concentration mode pressing will switch to mass mode indicated by gt 32um g m The size channel that is chosen in the lower line of the LCD has no influence on the choice of the measurement mode It simply shows the data of a second channel within operational mode Please notice that the data sent via the RS 232 interface and the data stored onto the storage card are the same type as the set displayed operation type That means either dust mass or particle concentration can be displayed and stored Displaying the analog
67. for air speeds 0 5 1 2 and 4 m s 1 152 Isokinetic sampling set for air speeds 2 25 m s 4 nozzles 1 153FH Sensor for temperature and relative humidity 1 154 Sensor for temperature relative humidity and velocity 1 156 Diff Pressure sensor for basic instrument built in 1 162 Plug for analog socket 1 301 Indoor PAH sensor measures particle bound PAH concentration as sum signal needs the 1301 HLX carrier as well 1 301 HLX Carrying adapter for 1301 for PAH to combine with aerosol spectrometer 1 108 or 1 109 1 320 NanoCheck portable nano attachment measures particle concentration and mean diameter from 25 300 nm needs the 1365 HLX carrier as well 1 365 HLX Carrying adapter for 1320 NanoCheck to combine with aerosol spectrometer 1 108 or 1 109 165FG Weather protection housing 7 1 Sample inlets In order to have a possibly small measuring error when sampling one should take care that preferably no difference between the velocity of the aerosol to be measured and the velocity of the aerosol at the inlet of the measurement unit is existent This kind of particle measurement sampling is called isokinetic sampling Because the dust and particle measurement devices are equipped with a volume flow control 1 2 l min the intake speed can be determined exactly due to the geometry of the sampler Depending on the application an appropriate sampler should be used For that purpose following models are offered by the manufacturer
68. for model 1 105 changes the data displaying The sign ASCII 125 switches to Version 5 x the sign ASCII 123 switches on Version 4 x Example ASCII 22 ASCII 125 switches on Version 5 ASCII 22 ASCII 123 switches on Version 4 Following command is not listed in the 1 108 help list NA Output calibration factors for analog inputs identical with Changing user factors Modell 1 108 1 109 50 of 81 2 Help for commands 1 109 in normal mode Fifi Help for Dust Monitor amp Mixer Humidity Threshold Only for Model 1 109 in combination with a outdoor wheather At B CI D D bi E bi El G H ZE at EN S x I E IG Alarm B Baudrate Memocard Battery Count Mode Data Memocard Disable Output Error Enable Output fast Gravimetry C Factor Byte Interval Runtime hours Interval Output Channels Serial No User Strings Analog Inputs User Factors Analog Inputs Output User Strings Factors Mixer Humidity Threshold Analog Sensor Value protection housing model 1 165FG Autocal Instrument will stop during a continuous measurement at a full hour Measurement will continue automatically after a self test example O Every day at 23 00 11pm the measurement will be stopped and the data will be saved The Standby Standby Standby Long Break 7 Y Y dd dd dd dd AE dd dd du Power ON Zero Clear Mean Output Model Version A
69. fore and after a calibration Modell 1 108 1 109 15 of 81 Vergleich Mutter Kandidat 3 Datum 13 08 2007 15 46 49 76050026 7G050040 Partikelanzahl SA y gren A3 gt Y SAUS dee ahh fe fo MEN Ly SE A Zei VA be A K d L Wa VH C MS urai e SE d dd i p Ki N i MA i PAYO LL 60 70 80 90 100 110 12 130 140 150 160 170 180 190 200 210 220 230 240 250 Grimm Aerosol Technik GmbH amp Co KG Calsoft v1 10 PM ha RAT Figure 4 Before calibration Simultaneously measured particle number concentration for all 31 size channels of the candidate red and the mother unit blue vs time Vergleich Mutter Kandidat 2 Datum 14 08 2007 10 25 09 76050026 7G050040 Partikelanzahl dn p A s GE AS SE NNN 7 CT x die A VMR PL SAAT ALC N VA Beie Ve at N N Mi i du IW ll i 180 19 200 210 220 230 240 250 Grimm Aerosol Technik GmbH amp Co KG Calsoft v1 10 de WI X ma WA y AA A Figure 5 After calibration Simultaneously measured particle number concentration for all 31 size channels of the candidate red and the mother unit blue vs time The measurands of both devices in Figure 4 show a very strong variability The ramps do not run congruent Figure 5 shows clearly that the measurands between reference device and candidate are almost exactly in accordance to each other The curves for every size channel are almost congruent Mo
70. fore passes a silica gel dryer and a filter The mixer electronics ensures that the amount of exhaust air and mixed air is always the same If the system is definitely airtight the proportion sample air to mixed air is 1 1 e S SP power su pply heater outlet Li ta 107 RS 232 MT qe to PC 7 j E 1169 Ch Desiree J lt 7 piter is NL A y im er e Spectrometer 1 108 1 109 30 770mm 15 7 400mm 4 7 119mm I deep 2 4 60mm Silicagel jfi 9 4 240 Dryer EN Qe R 17 8 450mm Figure 15 Weather protection housing 165 with dryer mixer electronics and sampling head with integrated annular gap mixer For model 165 a separate manual is available Modell 1 108 1 109 75 of 81 8 Warranty GRIMM Aerosol Technik guarantees every customer that the in this document described device is developed constructed and manufactured according to the best technical requirements for the described application Furthermore is guaranteed that this device has no material defect and was delivered free of assembly errors after passing a severe quality check However no further warranty is given for an application specific function
71. from 8F050061 Location 1 7 Press now ENTER in order to start the data transmission When the data transmission is completed an OK appears beneath the last data set Hereupon please proceed again to TRANSMISSION gt RECORD TEXT gt EXIT 5 3 RS 232 commands The text based commands are sent via the RS 232 interface to the instrument The instrument will confirm the reception by an echo For the commands you can use either capital letters or lower case letters Numeric values which can only be changed within stand by mode have to be concluded with a Cr Carriage Return ASCII 13 by pressing the Enter key For tests you can use every Terminal program that supports the Xon Xoff protocol The explanations and examples in this manual refer to the program HyperTerminal which belongs to the standard accessory of Microsoft Windows The according settings of the interface parameters have to be determined before starting the device Modell 1 108 1 109 44 of 81 Commands A Output of the current alarm value Within stand by mode it can be altered with keys and in the pregiven interval steps Alarm 0 B Output of the battery capacity with a connected mains adapter the value is always 130 B Battery Power 11 AB Baud rate set for data transmission 0 9 600 Baud 1 19 200 Baud 2 z 9 600 Baud same as setting 0 3 57 600 Baud C Switch on count mode switch off mass display at model 1 108 and
72. g long term stored under inappropriate conditions e the device suffered under heavy duty transportation The following chapter explicates the different control elements of your dust monitor The figures and elucidation are valid both for model 1 108 and 1 109 Handling this device you distinguish between standby mode and operational mode Within stand by mode all settings can be requested and changed Within operational mode the actual measurement takes place and all settings are fixed and cannot be altered Portable Aerosol Spectrometer model 1 109 E eee t Inputs Alarm Mean it Stand Size A Weight by Mode gt Batte Battery 35 E gt crore Y GRIMM Teal LS Figure 8 Control elements on the front panel of models 1 108 and 1 109 LCD display Slot for data storage card Keypad Sample inlet Analog input Connection for mains adapter RS 232 interface NO OI P WD Modell 1 108 1 109 22 of 81 Portable Aerosol Spec eter Model N 9 70031 Serial N o Power Input 18V 0 75A Made in Germany Figure 9 Control elements on the rear panel of models 1 108 and 1 109 8 Filter chamber with bayonet lock 9 PTFE filter 47 mm 10 Warning notice for laser 11 Calibration label 12 Device designation and serial number 13 Sample outlet with end cap 14 Locking feature for battery case lateral and lead storage battery 3 1 LCD Display The optical display of the device consists
73. hanged in standby mode only otherwise data loss might happen e If the storage card has not been inserted before beginning a new measurement the device has to be switched back into stand by mode by pressing the Standby key before you again insert the data storage card e The average life expectancy of the battery inside a 1 MB data storage card is more than a year If the storage card is not used for a longer period of time the battery should be taken out of the card e The storage card can be read out only via the GRIMM aerosol spectrometer or the GRIMM external card reader model 1 155A It cannot be read out via a PC slot for PCSI cards Modell 1 108 1 109 25 of 81 3 3 Keypad and key functions d The instrument comes with 10 functional keys With the ON OFF key the instrument is ON switched on and off This key has a fail safe mechanism to assist in preventing the instrument from being unintentionally turned off In order to switch off the instrument the OFF ON OFF key must be pressed for approximately one second till a beep will sound A restart should be done after 5 seconds at the earliest The instrument should always be switched over to the stand by mode before switching off the unit Failure to do so could cause the loss of data from the data memory card In the event that the instrument is switched off due to a power failure the unit will automatically restart measurements with the user selected parameters once
74. he embodiment of the size channels at the 1 108 and its according particle number is double spaced Jc and jc resp C and c_ Compared to that the embodiment at the 1 109 quadruple spaced Jc Jc jc jc resp C C c c 5 L Output location number I and changing within stand by mode AL Country settings for the date format output only within stand by mode E for Europe DD MM YYYY or U for US YYYY MM DD M Output average and sample volume Mc 447430 324824 258999 136537 70110 31757 12825 6485 Mc 3357 2574 1640 847 648 493 366 269 MC 269 201 154 114 58 32 22 16 MC 8 3 1 0 0 0 0 0 V 0 0288 m3 Annotation The output for model 1 108 and 1 109 is due to the different size resolution not the same The embodiment of the averages for the 1 108 is double spaced Mc and mc Compared to that the embodiment at the 1 109 is quadruple spaced Mc Mc mc mc Switch on normal mode mass display switch off count mode O Output data space size only within stand by mode If you send a after the capacity output then the data storage will completely be deleted P Preferences modem submenu Q Quick data transfer of the data on the data storage card only in standby mode If the data transfer takes place via binary representation the transfer rate can be as quick as 57 6K baud Annotation this command is not listed in the help list of the 1 109 after pressing R Run Start of the measurement from the stand by mode S St
75. ing volume of 1 2 liter minute is analyzed all Grimm aerosol spectrometers reach a very good counting statistic The scattering light emitted by every particle is being detected by a second optics under a scattering angle of 90 and then directed onto a receiver diode via a wide angle mirror The signal of the detector will be classified into size channels after amplification subject to its intensity Figure 2 shows the assembly of the laser measuring chamber The sample air duct occurs perpendicular to the perspective into the measuring volume Modell 1 108 1 109 12 of 81 sensing mirror volume laser diode detector Figure 2 Laser measuring chamber series 1 108 and 1 109 The count rate results from the number of particles divided by volume flow rate The particle size is proportional to the intensity of the detected scattering light signal whereas the scattering light intensity is also being influenced by the particles refractive index particle shape and orientation of the particle within the measuring volume Positioning the detector into a 90 direction enables minimizing the influence of the aerosol particles refractive index for determining the particle size The opening angle of the detector optics was chosen in a way so that an ambiguousness of the scattering light intensity due to MIE scattering undulations caused by monochromatic illumination is being compensated Thus a distinct detection of the particle size in sufficie
76. ional health three dust mass fractions according to EN 481 inhalable thoracic and alveolic in g m e Immission three dust mass fractions according to US EPA PM10 PM2 5 and PM1 in ug ms Furthermore the settings like in stand alone operation are possibly namely e Mass distribution particle mass for all channels including an additional size channel below the smallest size channels as g m e Particle number distribution particle concentration for all channels as particle liter 4 4 Gravimetric control of the dust mass Due to the fact that the dust monitor does not determine the dust mass directly but indirectly by means of optical light scattering measurement the results for their respective measurement location moreover have to be corrected with a gravimetric factor the so called C factor By means of the built in gravimetric filter the C factor can easily be determined The C factor depends on the particle density shape and refractive index of the particles It therefore has to be determined for different dust types This is especially important at workplace measurements for there often appear very different dust types Has the C factor already been determined for a certain workplace then it can be set before the measurement by pressing the key C Factor and or The mass per volume will be output accordingly corrected Is the C factor unknown the measurement takes place with the default value 1 and the gra
77. iplication factor which is based on 1 Volt can then be input after the text It also can be changed by the commando Example Temperature sensor OG 3 0 Volts and 50 8 0 Volts User text Temp C User factor 10 0 C Volt Offset 3 00 Volts Here is the user factor the gradient m and the offset the Y axis intercept c of the calibration straight line with the general form y MX C The model 1 108 and 1 109 offers to read out the sensor data directly from the sensor sensors with known value E or higher 3 character of the serial number are being equipped with an EEPROM for the sensor data Taking over the data out of the EEPROM including the user text will only take place if the user factors inside the device are set on 1 0 and the offset values are 0 0 An afterward calibration by the user is thus still possible positive offset values are not possible Modell 1 108 1 109 48 of 81 il Changing user factors only within standby mode The user factor based on 1 Volt equates to the gradient m of the calibration straight line with the general form y mx c which forms the basis of the conversion of voltage signal to sensor value Long Switching on the dust monitor if switched off by Y Break Underline Output of User texts and analogue input factors only within stand by mode Example 1 4 Input 1 V Inout 2 VIInput3 V Pressure bal 1 4 1 1 1 17938722 0000
78. is positioned in the right angle to the incident laser beam This setup of the detector is denominated as 90 scattering light detection This optical alignment increases the scattering light collected by the detector and optimizes the signal to noise ratio Therefore even very small particles down to 0 25 um respectively 0 3 um can be detected The optical setup moreover abrades the MIE scattering undulations caused by monochromatic illumination as it is typical for laser light scattering spectrometers and therefore enables a definite particle sizing If a particle crosses the laser beam it creates a light pulse The signal of the detector diode will be classified into different size channels after accordant amplification Model 1 108 possesses 15 size channels whereas the model 1 109 is in possession of 31 size channels This way the particle size distribution can be measured which provides the basis for the calculation of the dust mass That is why these devices are suitable for a variety of applications like for instance the compilation of occupational health data dust analysis inhalation toxicology aerosol research or atmospheric research The sample air is sucked through the measuring cell and a gravimetric filter by means of an internal volume flow controlled pump This filter serves as a dust collector and can be used for gravimetric control of the optical gained measurement results The pump also conveys the rinsing air which is gained out of
79. ith a special 47 mm PTFE filter The filter chamber has a bayonet lock and can be opened and closed without any tools Both O rings in the filter chamber should regularly be inspected for cracks and deterioration If those O rings are defect false air can be sucked in which adulterates the sample volume flow through the optical laser chamber For special applications where no gravimetrical validation of the particle mass is demanded or for measurements of droplet aerosols the standard filter chamber can be replaced by a special miniature glass wash bottle with a downstream backup filter The miniature wash bottle serves as mist eliminator and particle trap Modell 1 108 1 109 34 of 81 3 9 PTFE filter The sample air is sucked in through a gravimetric filter after leaving the optical chamber This filter serves as dust collector and can be used for gravimetric controls of the optical gained measurement results see chapter 4 4 Gravimetric control of the dust mass Furthermore the particles deposited on the filter can be microscopically or chemically examined By sputtering with gold the PTFE filter also can be used for an electron microscopically analysis When operating the device without a PTFE filter the dust directly reaches the pump inside the device and might lead to damage or a complete breakdown of the pump 3 10 Warning for laser radiation On the rear panel of the device is the accordant warning note Please follow the general
80. layed 4 3 Measurement mode and data presentation Within stand by mode you can switch between operational mode dust mass in ug m and particle concentration in particles liter by pressing the keys Size Mode and or The operational mode is to be selected via the settings in the upper line of the LCD display Selecting the mode dust mass the display shows on the right side the unit ug m3 whereas in the mode particle concentration there is the unit p l on the right side of the display Select the measurement mode by pressing and holding the key Size Mode and leave the measurement range that appears in the upper line of the LCD upwards by pressing the key respectively downwards by pressing the key Modell 1 108 1 109 39 of 81 Please mention that the data of the chosen measurement mode as they appear on the LCD are of the same type like the data which are recorded by the data storage card respectively operating via HyperTerminal are sent via the RS 232 interface That means either mass or particle concentration can be shown or recorded Moreover it is possible with the Grimm Windows software to display all four different measurement modes online or to read out and display one and the same stored mass data set from the storage card in three different ways in terms of occupational health immission and mass distribution Via the Windows software the following operational modes are selectable e In terms of occupat
81. nannannnannannnnnnnnnnnnnnnnnnnnnnnnnnnnene 21 CT aa e doce 41 D GALA MMC CE Gael EE 19 data Et enn 19 data output LCD deplay s snssssnsnneeeennerereeer nennen 19 data storage Car 19 22 23 data storage card battery oonccccccnncnccccnnncconnnnnnnnoss 24 data storage card write protection s00nne000enn 23 date To Mii kransen 37 46 dereer deene ee ear ke 10 MEN 28 dust co EE NON Luna aan 18 GUST MASS Macia 39 E TS A NAE 8 F Mer Canberra 22 63 Mer TRE a 16 22 34 G glass USO is 9 gravimetric CONTO s t geeschtege rennin 39 I interval see storage Imterval 45 isocinetic sampling occccocccconcncnnonnnnncnos 17 34 67 68 K KO TUMMCUOINS See 25 SE Le ME 21 25 KNE dale 52 64 L EE A A deer mis 18 laser radiation safety cccoonncccnncoconncnnnnnoannnnnos 9 34 E A A 19 21 22 50 16 0 CE EE EEE 70 IO CAMO sss ATTE acy E E ST 27 30 31 46 M measuring principle cccooncnncioncnnnioncnnnncncnnnnnnoss 11 MEMO TUNGUION curia 19 multiplex laser 11 18 44 45 48 50 N normal Mode ii ds 46 O onset VAMOS ssn E egC c 48 operation NOUNS E 37 operational mode 21 26 27 29 31 P particle Concenttration EEN 18 o A A 18 EJ EEE EEE ENN ee 52 PONG UNN 18 pressure range EE 18 68 70 DMMP Ferae vane easter E N von cdsus cietevadds 28 33 R reproducibly RE 18 MASINO Maa 10 18 A E EE TIE E 16 21 30 33 AS232 CA ri da 16 33 RS 232 data tr
82. nctions or even damage of the hardware and how those dangers can be avoided Modell 1 108 1 109 8 of 81 1 Important hints for the customer 1 1 Safety regulations The manufacturer declines any direct or indirect liability if the operator opens the instrument or manipulates the instrument This instrument is built and tested in accordance with EN 61010 DIN VDE 0411 T1 to assure proper protection of the electronic material and measurement function of the instruments All units have left the factory with regard to safeguarding in a perfect condition In order to keep this state and to guarantee a safe operation the customer must follow the references and warning notes which are contained in this manual If a safe operation is no longer possible the instrument has to be taken out of operation and to be protected against unintentional operation A safe operation is not possible anymore e if the instrument shows visible harm e if the instrument does not work anymore e after longer storage under unfavorable conditions e after heavy duty transportation If the instrument was stored or transported at low temperatures and an acclimatisation period prior start up of minimum 1 hour is not kept the internal pump may not even start due to possible inner condensation In this case the electronic protection fuse will activate and disconnect the instruments power supply The PTFE filter is located before the internal pump for its protec
83. ng appropriate tweezers Avoid that collected dust on the filter gets into the instrument and contaminates the optical cell Clean the sample air duct see chapter 6 3 and the filter chamber like described above Using the tweezers put now a new filter centrically onto the big O ring of the filter chamber The filter should not contact the small O ring If you want to do a gravimetric analysis you should regard the instructions given in chapter 4 4 Gravimetric control of the dust mass Close and lock the lid paying attention the filter does not get out of place The maximum battery operation time as well as the durability of the pump decreases with an increasing filter impact Thus change the filter early enough at the latest with the accordant warning message Loading the filter with more than 20 mg should possibly be avoided Modell 1 108 1 109 64 of 81 6 3 Cleaning the optical chamber Turn off the device Open the filter chamber and remove the gravimetric filter First inspect the air passage optically for free sight through the instrument The aerosol duct of the optical chamber is straight and thus you have to be able to see through it Then flush the instrument with clean and oil free compressed air max 3 bar This must be done in direction of the airflow only from the air inlet located on the front side of the device to the filter chamber Eventual blockage of the aerosol nozzle in the optical chamber is t
84. not for damages emerged from material or assembly faults Every device is seized by the production and journalized most accurately especially the calibration and validation data Should the device fail during the 1 year warranty or not being up the standard GRIMM Aerosol Technik has the right to replace the faulty parts or the device apart from operating errors GRIMM Aerosol Technik will fix the device at the factory exempt from charges only the transport fees just as the accordant additional charges are for the customers account On site repair will only be done for refunding the travel and service costs The company GRIMM is not in charge for further claims which can be educed from the warranty GRIMM takes over the warranty of the sold goods only if those are being used under normal conditions and according to the instructions in this manual The warranty expires after 12 months beginning with the day of delivery Return consignment charges for repair under warranty are to the customers account This warranty has following exceptions a For spare parts which will be replaced or repaired under warranty in order to make operation possible again we take over warranty for 90 days normal use preconditioned b The supplier is not liable for third s party products or batteries of consumables only the original warranty is held up c Without written confirmation GRIMM does not give warranty on third s party products which have been modified or
85. nt narrow size classes is possible Model 1 109 provides 31 size channels model 1 108 offers 15 By detection of the particle concentration and particle size the size distribution of the aerosol particles can be determined which in turn is the basis of the evaluation of the particle mass Within measuring mode particle mass an additional size channel is arithmetically adjoined below the smallest size channel So model 1 108 outputs within mass mode 16 size channels and model 1 109 analogical 32 size channels The additional size channel is primarily useful when calculating the standardized mass fractions and leads to an improved accuracy measuring fine aerosols For a precise and reproducible particle counting and particle sizing the accurate sampling volume of 1 2 liter minute is absolutely fundamental The sampling volume affects the conversion of the raw counts in the actual sampling volume in the selected unit like liter or m3 and secondly the particles speed in the optical chamber which must be in the given tolerance range for a correct particle sizing That s why the sampling volume at the Grimm Aerosol Spectrometer Model 1 108 is controlled continuously Modell 1 108 1 109 13 of 81 2 3 Calibration The particle size detection is calibrated with traceable NIST certified National Institute of Standards and Technology mono disperse latex The dust mass calculation is being calibrated with dolomite dust compared to a reference devic
86. ntation as little as possible the distance between the sampling head and the sample inlet should be as short and straight as possible as well as straight respectively vertical It would be best to connect the sampling head directly with the dust monitor without using the flexible extension b or cut it to a minimum length Modell 1 108 1 109 70 of 81 High pressure diffuser for compressed air model 7 910 The GRIMM High pressure diffuser for compressed air 7 910 was designed to reduce the pressure from inside a compressed air line to ambient pressure This enables a sampling with an Aerosol Spectrometer operating with a volume flow rate of 1 2 liter minute The 7 910 was designed to user specifications for maximum pressure of 10 bar and for isokinetic sampling both on air inlet and air outlet To obtain isokinetic sampling it is necessary to select the correct inlet nozzle and the outlet tube To select these parameters correctly a set of two calibration diagrams is enclosed to each diffuser For the model 7 910 a separate manual is available 7 2 Black leather spectrometer protection bag with shoulder strip model 1 145A The protection bag is designed for portable use of the spectrometer The instrument is well protected against dirt and shocks Connections for sample inlet optional sensors or serial port are accessible also the LCD display can be read easily when the bag is closed 7 3 Acoustic and visual alarm
87. o be removed with a wooden or plastic rod do not use any stronger materials in order to avoid damage of the nozzle Do nat drag any implements e g cloths etc through the inlet nozzle or demount it Please contact our service department for any help and assistance 6 4 Housing The dust monitor is encased by a metal housing which ensures against mechanical impacts and electro magnetic fields The keypad and the LCD window are to be protected against abrasive mechanical impacts For cleaning the housing use a dry cloth and for removing tenacious stains use special cleaning cloths like as they are used for computers 6 5 Internal rinsing air filter For the protection of the laser optics and for the self test of the device particle free air is generated by a fine filter with a life expectancy of several years even at continuous operation Should the message CHECK NOZZLE AND AIR INLET show up several times although the sample inlet duct is free and also having no over pressure out of range this is a sign of an error within the rinsing air supply However changing the filter has to be done by a trained service staff ande can mosily solve this problem In this case please contact your local dealer the manufacturer or the service department in Pouch Germany 6 6 K line test of functionality of the optical cell laser diode and photo diode During the self test procedure all components of the optical cell namely photo dio
88. of a LCD Liquid Crystal Model 1 Iren Display with 2 x 16 digits The display indicates the results and optional sensor values In addition all settings are displayed like Version er AA E date time location battery status storage interval and all important status messages 3 2 Data storage card Both model 1 108 and model 1 109 are equipped with an internal 80 kByte memory In order to be able to store larger amounts of data like as measurement rows with a high temporal resolution without a connected PC we recommend using a data storage card Please mind Only PCMCIA SRAM data storage cards can be used The data will be stored as FIFO method First in First out i e stored in a circular buffer so that the oldest values are going to be overwritten when having a full storage card The maximum storage times depend on the set storage interval and the storage cards capacity Modell 1 108 1 109 23 of 81 The data storage card has to be installed before beginning the measurement Moreover the storage card has to be initialized respectively deleted previous to first time application inside a device Starting up and initiating the data storage card Insert the storage card with arrow facing up into the slot at the front panel of the dust monitor beneath the display until you hear a gentle click A correct inserted storage card protrudes from the device about 1 cm MEMORY CARD XX Mbyte TYPE 1142 XM comm s GERMA
89. om UeL gives the value from 4 of the Bit decomposition 0 rel humidity Ue2 constant value 4 of Bit decomposition 9 776E 3 offset user factor 151 4 0 9 776E 3 0 063 10 62 rel humidity 61 9 The calculation is done in the spectrometer or by the software automatically The offset values and user factors are stored on an EPROM in the sensor and will be read out automatically The following pages contain both for model 1 108 and 1 109 examples for data transmission via RS 232 and HyperTerminal commands In HyperTerminal the values are accumulative only Differences exist in the displayed The data in operational mode Counts are generally displayed in the unit particles per liter If the data output was selected faster than 1 minute interval e g 6 seconds or 3 2 or 1 second with reduced size range the unit is particles per 100ml In the operational mode mass named normal mode in HyperTerminal the unit is without any exceptions ug m Measurements faster than 6 seconds are not possible in the mass mode Modell 1 108 1 109 54 of 81 model 1 108 version 8 60 operational mode particle concentration Counts 1 min interval 15 channels gt 0 3um to gt 20um in P I Year Mon Day Hr Min Loc GF Err Qbatt Im Uel Ue4 Ue3 Ue2 Uel lv P 8 12 10 18 48 1 20 0130 23 193 1 0 0 0 0 C_ 60547 18359 6982 3065 1980 1200 820 575 C 575 245 114 66 35 20 2 2 6 sec interval 15 channels gt 0 3um to gt 20um in P 100mi
90. op Switches unit in stand by mode T Edit Time Clock can be set in STANDBY mode If minutes are changed seconds will automatically switch to zero AT Timer mode for switching the dust monitor on and off automatically version x 40 or higher U Keyboard access U 0 Unlocks the keyboard U 1 Disables STANDBY mode U 2 Keyboard access not possible Modell 1 108 1 109 47 of 81 Displays the version number of the instruments hardware V Version 12 30 E for model 1 109 Or Version 8 60 E for model 1 108 Output filter weight and corresponding sample volume Weight W Weight 2 4ug Volume 0 038 m3 Power OFF switching off the dust monitor Output with subsequent resetting of the averages and volume Zero Output serial number Ser No 9G040001 Output version and model number of the device I Model 1 109 Version 12 30 E Selection or modification of the User texts just like the factors for the analogue voltage output on the LCD display only within stand by mode Special characters via ASCII 127 cannot be input The output shows the character ASCII 248 as underline Given texts can be chosen be pressing the key TAB and have to be confirmed by pressing the return key They also can be transcribed by any texts The number output is always five digit and begins with the ninth position If characters except of a decimal point are input on this position an acoustical warning appears The mult
91. pon the mother device will be feeded with different mono disperse PSL samples and so validates the particle size measurement for this standard material The first Grimm mother device sort of grandmother moreover was being compared to a reference device viz the laser aerosol spectrometer model LAS X by PMS Boulder Colorado By this procedure we ensure the correct particle size measurement in the specified channel e g for model 1 108 15 and for model 1 109 31 channels Calibration physics background Particle sizing is calibrated with NIST traceable Poly Styrene Latex PSL Duke Scientific So we measure optical latex equivalent diameters The size channels are related to electronic thresholds A single particle passing the laser beam will scatter the incident laser light This scattered light is collected by a mirror in a given angle and focused to the detector The photons collected by the detector will give a raw signal which will be amplified and classified in a particle size channel So number concentration and size of the aerosol particles can be measured Grimm Calibration procedure The calibration between a candidate and the mother unit is done by use of a Grimm Calibration Tower that is fully computer controlled and automated and poly disperse dolomite dust as a standard aerosol Why dolomite dust Dolomite dust is cheap anoxic not hygroscopic poly disperse and very stable during storage The dolomite dust covers th
92. r refeeding Therefore the end cap has to be removed and an according elbow fitting has to be screwed in Accessories which have to be connected with the sample outlet are for instance the isokinetic sampling set model 1 152 or the weather housing model 165FG with sample dryer and mixer For this please see chapter 7 1 and 7 10 Modell 1 108 1 109 35 of 81 3 14 Locking feature for battery case and lead storage battery In order to take the lead storage battery in or out of the device the securing button has to be pressed The battery engages with an audible clicking The lead storage battery enables an off line power supply of the AAA E DEE dust monitor for 6 to 8 hours Dust loading of the filter and length Of gisca sample inlet system shorten the battery capacity Safety instructions and lead storage battery maintenance In order to guarantee a life expectancy of the battery as long as possible please pay attention to following rules NEVER short circuit both contacts of the battery The battery must only be recharged via the charging connection of the dust monitor Non rechargeable batteries type LCS 2312 AVBNC must NOT be operated inside the dust monitor with a connected mains adapter at the same time because of the internal charging connection Always use the dust monitor with the provided mains adapter for charging the battery The dust monitor should be switched off while charging the battery only then it
93. r window in the Grimm Windows software The knowledge of relative humidity is fundamental for interpretation and analysis of aerosol measurement data Technical data Dimensions 15 mm length 130 mm cable ca 2m e Plug 6 pin i Power supply 10V 15 lt 5 mA Temperature range 0 3 up to 80 C Resolution 0 1K Accuracy typically 0 3 K Humidity range 0 up to 100 rH Resolution 0 1 Accuracy typically 1 7 6 Sensor for temperature relative humidity and air velocity model 1 154 This sensor is like the model 1 153FH but in addition equipped with an integrated anemometer for air speed velocity The compact design of the sensor is optimised for the use in combination with the isokinetic sample probe and the direct determination of air velocity in ducts Another application is monitoring of wind speed in one preferential direction during particle measurement e g for source studies or ventilation control Technical data Dimensions 15 mm length 130 mm cable ca 2m Plug 6 pin Power supply 10V 15 lt 5 mA p r Temperature range 0 3 up to 80 C Resolution 0 1K Accuracy typically 0 3 K Humidity range 0 up to 100 rH Resolution 0 1 Accuracy typically 1 Air velocity 0 3 up to 20 m s Resolution 0 1 m s Accuracy typically 1 7 7 Plug for analog socket Via the analog socket the spectrometer is able to log up to three signals of any sensor with an analog output O 1
94. ric factor When operating via the Windows software the C factor has to be set in the menu Options under Dust Monitor respectively Measurement Locations Printout of the storage card data Within stand by mode data can be transmitted to an external printer via the RS 232 A Mean interface by pressing Mean Weight and Alarm at the same time Only datasets that am Weight are concordant with the present measurement location number will be sent Modell 1 108 1 109 29 of 81 Key functions in the operational mode In the operational mode that is to say during active measurement all settings are fix and can only be read by pressing the respective functional keys Mean values and calculated filter weight The options for pressing the Mean Weight key solitary are the same in the standby mode Pressing the Mean Weight key will display the mean value in mass or counts The selected channels hereby are underlined The mean calculation takes into account all measurements since the instrument was powered up or the mean value calculation was reset to zero Pressing Mean Weight and holding the key for 5 sec will reset the mean value mass or counts and sample volume so the next mean value of the following measurement will be calculated without taking the previous ones into consideration Same as in the standby mode By pressing Mean Weight and holding the key for 5 sec the calculated weight on the
95. rranges the necessary mass corrections automatically Modell 1 108 1 109 41 of 81 5 HyperTerminal via RS 232 interface Every Grimm spectrometer can be operated with the proper control commands online via HyperTerminal HyperTerminal is a text based communication program which is included in the Windows operation system since the version Windows 2 0 Windows Vista does not include HyperTerminal anymore But it can be updated with costs as download from the webpages of the company Hilgraeve Alternative distibuters are HyperTerminal Private Edition http hyperterminal soft ware net download asp or Putty http the earth li sgtatham putty latest x86 puttytel exe 5 1 Transmission protocol The Baud rate for the normal data transmission is 9 6 kBd 8 data bits without parity and one stop bit is being used The software protocol is supported as Xon Xoff Real time data transfer is possible via the CTS cable Here the Baud rate can be up to 57 6 kBd Also with the ASCIl data transmission to a printer by pressing the keys Mean Weight and Alarm at the same time see chapter 3 3 Key functions in the standby mode the CTS line will be requested When no CTS line is connected then the interface is regarded as free 5 2 Establishing an HyperTerminal connection Connect the dust monitor via a Grimm RS 232 cable 1 143E or via a Grimm USB RS 232 cable 1 141 to a PC and switch on the device You will find the HyperTerminal program un
96. simultaneously By holding the functional key the settings are displayed longer Table 3 Brief overview of all key functions Operation ON OFF Powers up and powers down the instrument with battery or power supply Displays the mean value mass or counts and sample volume for the two selected size channels accumulated of all measurements since the instrument was powered up or the mean value was reset hold As for Mean Weight described above In addition the Mean W eight calculated dust weight collected on the filter and the and corresponding sample volume will be displayed Resets the mean value mass or counts and sample Mean Weight volume so the next mean value of the following and measurement will be calculated without taking the previous ones into consideration Powering down the instrument will also reset these average values Standby Stops the active measurement Standby Starts a new measurement Changing the storage interval i or After putting in the storage card the interval can be changed with or on the LCD all models 1 109 and model 1 108 version 8 60 Size Mode Shows the selected size channels on the LCD X Size Mode Selects the measuring modes changes mass ug m in counts P I or reverse Selects the size channels to be and or displayed Displays the current battery capacity Us Displays the location number 1 99 A Standby mode Mean Weight
97. ster Hilfe Av Selo ocio ales el Kalibrierung Vergleichsmessung Informationen zur Kalibrierung H 07008036 gt 650 ESSEN 2000 100000 H e7cos039 3000 SH 00 79G08008 750 ECON 2000 100000 Tabelle 1385846 1069580 738986 575803 577479 448340 349123 270596 148172 68493 6246 3296 Schwellen 1257 1335 1498 1651 127 173 228 296 505 882 1126 1183 125 Kandidat 1323306 1036360 733700 589810 597256 461461 357852 276965 150413 20278 Kalibriert Kalibriet Kalibriet Berechnet Bere Versal 74 as 31 la 97 24 34 29 25 24 15 26 12 05 29 1244 1325 1487 1626 130 179 310 536 933 1089 1106 1131 1191 126 Candia 1281907 1139296 754917 557010 551995 427982 255356 143867 66397 36893 23495 Kalibriet Berechnet Ber k 7 5 6 5 2 22 3 3 44 45 lt 5 6 2 9 a Y 01 3 4 1 9 a 1250 1284 1445 1621 146 197 336 552 946 1086 1101 1127 1185 1251 1242106 1105863 740983 547493 554145 431254 257125 140015 66146 Kalibriert Kalibriet Kalibriet Berechnet Bere mas 10 4 34 0 3 49 40 3 8 5 0 5 5 3 4 5 1 9 1 0 1250 1284 1445 1621 146 197 336 567 953 1105 1128 Figure 3 Screenshot of the Grimm calibration software during a running calibration with one mother unit and three candidates in this example Grimm Environmental dust monitors with 31 channels The columns in the table in Figure 3 show the 31 size channels The lines in the table in Figure 3 show from top to bottom the counts of th
98. t The data storage card is not mandatory necessary for the operation because the aerosol spectrometer is in possession of an internal 80 kByte memory However the storage card enables memorizing long time measurement rows even with a high temporal resolution Plug in the mains adapter or insert the lead storage battery as shown in the picture on the right side into the designated case by pressing the locking feature button The battery has to be completely inside the case and engage with an audible click The device switches on automatically Pressing the locking feature button again lets the battery slide out of the case a bit and that way the battery can be taken out Only remove the battery if the device is switched off Modell 1 108 1 109 37 of 81 After switching on the device by the key ON OFF the LCD shows information and actual settings By short pressing of any key the latency can be abridged Pressing Standby will display the serial number and number of operation hours Operation time means the service life of the pump and the laser MODEL 1 108 1 108 version 8 60 and older or 1 109 version 12 30 oa 60 E The E indicates the European format for date and time DD MM YYYY whereas the US stands for the American format YYYY MM DD After ca 10 seconds date and time will be displayed 28 01 09 9 31 15 With an inserted storage card the LCD shows one after another size of the card Card firmware version num
99. ted command Furthermore a user text can be set for each sensor using the command Modell 1 108 1 109 53 of 81 Example for the calculation of the temperature using an external sensor for temperature and relative humidity with the following user text and factors 1 4 Temp BC Humidity rHl Input 3 V Inputi V 1 4 98100006 10 62 0 0 2 888 V 0 063 V 0 000 V 0 000 V P 10 07 22 15 37 1 20 0130 23210 1 O 151 138 6 Following values are available UeL 210 Ue1 138 offset 2 888 V and user factor 9 8100006 The Bit decomposition of UeL gives for the value 210 210 643 161 40 12 192 16 0 2 The fraction for Ue1 from UeL gives the value from 1 of the Bit decomposition 2 temperature C Ue1 constant value 1 of Bit decomposition 9 776E 3 offset user factor 138 4 2 9 776E 3 2 888 9 8100006 temperature 24 7 C Example for the calculation of the relative humidity using an external sensor for temperature and relative humidity with the following user text and factors 1 4 Temp BC Humidity rHl Input 3 V input 1 V 1 4 9 8100006 10 62 O O 2 888 V 0 063 V 0 000 V 0 000 V P 10 07 22 15 37 1 20 0130 23 210 1 O 151 138 6 Following values are available UeL 210 Ue2 151 offset 0 063 V and user factor 10 62 The Bit decomposition of UeL gives for the value 210 210 64 3 16 1 470 1 2 192 16 0 2 The fraction for Ue1 fr
100. temperatures a sufficient acclimatization phase has to be maintained otherwise damages can result Modell 1 108 1 109 77 of 81 10 Repair Having knowledge that defect or inactive devices cause disprofit it is Grimm s politics to care as fast as possible about those customer issues If an idleness breakdown is ascertained we kindly ask you to immediately contact the next GRIMM selling agency or you local dealer Please contact the service department of the company GRIMM via Email before you send one of our devices back for service Service grimm aerosol com Please specify with following details e Device s model number e Serial number and year of manufacture see name plate on the back of the device e Date of purchase order and your order number except in a case of warranty e Your invoice address e Your shipping address Please make sure that the device or devices are free of any contamination dangerous to health before shipping the device or devices Modell 1 108 1 109 78 of 81 A alarm threshold Ate EE 30 A ge eo a EE 17 33 67 70 analog PU tica 19 21 32 B DANE iai ieee ose seen 25 27 30 35 battery Capacidad dead 44 battery CEN aunar 35 battery error colina aa 45 battery mamtenance ereere reene 35 battery recycling EE EET 35 paud tata 44 q 6 NR A RE 64 C ell ele te EE 13 Ss A 39 all ele ter eee 28 COMMUNICATION nvidia 19 compressed air 17 64 70 control elements aan
101. the full aerosol size range including the ultra fine particles with one battery powered portable system In combination with a Grimm Aerosol spectrometer the complete system is able to measure in real time the particle size range from 25nm up to 30 um in different size channels In addition to the classically measured inhalable thoracic and alveolic mass fractions according to EN 481 standard it is a huge benefit for IAQ monitoring occupational safety and health and other applications in aerosol science to measure the nanoparticle exposure down to 25nm This will help to understand the influence of nano aerosols on the inhalable aerosol concentration Technical data Sensor dimensions Weight sensor Power supply Battery Plug Interface Measuring range Particle size Number concentration Sensitivity Resolution Data rate Status display Adapter dimensions Weight adapter 240 x 75 x 75 mm 9 45 x 2 95 x 2 95 inches 1 8 kg 4 0 lbs 10 28 VDC lt 1 2 A max 12VDC Lithium lon battery 9 pin SUB D amp low voltage socket RS 232 1 wire analog out 12C 25nm to 300nm 5000 ccm to 500 000 ccm Depending on size distribution and number concentration gt 12 Bit 10s LED s 380 x 115 x 290 mm 15 0 x 4 5 x 11 4 inches 4 7 kg 10 4 lbs Weight complete system 8 2 kg 18 1 lbs with sensor adapter and spectrometer Complete system closed with attached dryer For both models 1 320 and 1 365
102. tion For this reason do not operate the measuring devices without a PTFE filter 1 2 Electric Safety Before the first use of the instrument you need to check whether the main voltage is in the allowed specifications Operate the dust monitor only with the designated voltage and the original external power supply e The Lithium battery SL 389 3 6V 1AH on the digital circuit board is necessary to the operation of the real time clock This battery must not be charged and only changed in an emptied state by an authorised personal The normal operation period is several years e The recharge of the Lithium battery inside the memory card CR 2016 with 3V and 60mAh or CR 2325 with 3 and 200mAh is not permitted e Fuses built into the instrument may only be changed by trained service personnel All fuses are to be replaced only by the same type Since the instrument has its internal electronic protection the fuses will react only at a serious fault Caution Modell 1 108 1 109 9 of 81 1 3 Laser safety Caution Optical laser class 3 B inside The instrument may only be opened by GRIMM trained service personnel During the opening of the laser unit especially the measuring chamber a laser radiation of the class 3 B can be released The direct look into the laser beam or a reflexion can lead to damage of the eyes even at a short exposure time You will find references in the EN 60825 DIN VDE 0837 T1 but also in the corresponding V
103. unit model 1 147 Connect the alarm unit directly to the RS 232 socket of the dust monitor If the set alarm value is exceeded the alarm unit signalizes this optically and acoustically Due to 5 DIL switches and one potentiometer in the alarm unit 24 different signal tones can be chosen as well as changing the volume Technical data Weight 0 42 kg Dimensions 93 mm H 115mm Plug 9 pin D sub miniature Power supply 12V 0 15A Flash energy 1 0 J Flash frequency 1 Hz Signal tone 24 different Volume up to 110 dB A 7 4 Mini filter for zero test model 1 148 By means of this filter the dust monitor can be checked up on hissing of the signal electronics and up on leakages in the pneumatic system When the filter is connected to the sample inlet of the dust monitor the sliding average values at the LCD display have to go back to zero after d on minute Data displayed online in HyperTerminal of via Windows Software have to go back to zero immediately The increase of the pump motor current there to more than 60 and with this the aligned possible warning message is here normal er Model 1 108 Alarm Modell 1 108 1 109 71 of 81 7 5 Sensor for temperature and relative humidity model 1 153FH This sensor is due to the fact of its low current consumption suitable as an accessory for a portable battery powered instrument The sensor values can be shown online on the LCD display via HyperTerminal or in the senso
104. utocal Standby L Land for Date Standby L Location Code M Mean Value N Normal Dust Mode Standby O Clear Memocard Standby P Preferences Modem Standby R Run Measurement S Standby Modus T Timer Set Standby T Time Set Standby Memo free Standby U Unlock Keys Standby V Version W Weight Y Power OFF tat He at at ae a ae ae ae a aE EA AEE A aE AAP EAE EAE EEE aE aE aaa aaa aaa aa instrument will carry out a self test and continues the long term measurement Analog Sensor Value Only for Model 1 109 in combination with a outdoor wheather protection housing model 1 165FG 1 109 Service Mode 0 additional commands nr AF last Service Flow Adjust Standby ez SNES X tal Version Change FE EE TE TE at FE ae dg E HE HE TE FE FE FE aE E E HE TE TE FE FE FE TE AE AE E E E E TE FE EE AE HE TE TE FE FE TE TE E E TE TE E E TE TE dd EE E E EE TE dd E E E HE Following commands are not listed in the 1 109 help list A Output calibration factors for analog inputs identical with Changing user factors lt Constantly high laser capacity multiplex mode off only Channel 1 16 small particles 16 channels 0 25um up to 2 5um gt Constantly low laser capacity multiplex mode off only channel 17 32 big particles 1 109 16 channels 2 5um up to 32um Modell 1 108 1 109 51 of 81 5 4 Service mode settings By
105. vimetric will be done after the measurement The according correction of the dust mass of a measurement file can also be done retroactive with the software For the gravimetric a microbalance with a high resolution and precision is needed For a given resolution of 10 ug a minimum of 1 mg dust on the filter is recommended in order to keep a weighing error negligible The necessary collecting time results out of the existent dust concentration and the sample volume flow Modell 1 108 1 109 40 of 81 Determination of the gravimetric factor C factor Please execute following steps 10 Open the filter chamber and take out the old filter Now clean the filter chamber e g with a Q Tip Also clean the sample air duct as described in chapter 6 3 Cleaning the optical chamber Weigh a new filter at least three times and note down the gained average weight Put the new weighed filter centred onto the big O ring of the filter chamber and close the chamber Turn on the dust monitor and respond to the question Filter changed with YES so that the calculated filter weight will be reset Execute your dust measurements at a characteristic location Operate and transport the dust monitor if possible always with the LCD display facing upward Please mind that in case of an eventual interruption of the measurement row the question for a new filter has always to be answered in the negative when switching on the device
106. will completely be charged The end of charging process can be cognized when the light diode Battery Charge is off The charging process lasts for about 4 to 5 hours Charging a few hours longer does not damage the lead storage battery nevertheless it should not remain continuously inside the device when the dust monitor is power supplied externally The life expectancy of the battery decreases in case of overcharge or low charge i e if it s not fully charged Use the lead storage battery only to operate the dust monitor Never discharge the battery completely The dust monitor however does prevent a depth discharge by autonomous disconnection but the life expectancy can be increased if you dont discharge it until the burn out of its capacity If possible recharge the battery right after usage Do not store the battery discharged Take the battery out of the device if you operate it with a mains adapter The battery type LCS 2312 AVBNC is not dedicated for operation with a mains adapter at the same time This shortens the life expectancy Batteries which are dedicated for this kind of operation e g LCT 1912 AP 12V 1 9Ah have a considerably lower capacity and therefore are rather not that applicable for field measurements Worn out batteries have to recycled according to your country specific regulations They contain toxic heavy metals and must not be deposited in the domestic waste The battery s capacity is temperature dependent

2 Model 1.108 and 1.109 - Cooperative Institute for Research in

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