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Noise dosimeter - Logismarket, o Diretório Industrial

1. Mode V1 V2 AlICIILpK 1 1 oct Audio Battery life HH X X 28 X X X 20 X X X 20 X X X X 20 X X X 28 X X X X 20 X X X X 20 X X X X X 20 Reference temperature 20 C 14 7 Delivery and packaging DS300 instrument with microphone and 1 25 m extension e Carrying case with protective foam e Adapter ring for acoustic calibrator e Fixing kit for microphone e Protective cover to wear on belt e Main charger with USB plug with cable e Calibration certificate e CD rom with LDS23 software user manuals of the instrument and software 14 8 Optional and accessories Microphone V2 channel with fixing kit D M2 Direct microphone D MB Audio recording on threshold D EA Processing software LDS300 Carrying case for 5 instruments D V5 Charger and transfer station for 5 instrument D S5 Acoustic calibrator 94 dB 1000 Hz CAL200 44 RoMIO RoMiotto Instrumentos de Medi o Ltda Instrumentos de Medi o Rua S o Leonardo 187 Freguesia do S o Paulo SP Cep 02803 000 Fone 11 3976 4003 Fone 11 3999 7737 www romiotto com br E mail info romiotto com br DS300 16 11 11 RCS 24 24 P rigueux 349 282 095 Non contractual document We reserve the right to modify the characteristics of our products without prior notice NT ANG j T Once returned to KIMO required waste collection will be assured in the respect of the env
2. Contr R tro Hd 08 15 TESE Df 15 05 2009 PC Hf 18 30 Configuration Vb Autonomie 1 E All C I 63 8kHz A propos Audio non EJES EH gt When required dataset number appears press 1 key Several screens characterized the dataset gt Press successively on 3 key to scroll the different screens These screens are sometimes different and linked to programming mode e V channel without frequency analysis e V1 V2 channels without frequency analysis e V channel with frequency analysis e V1 V2 channels with frequency analysis gt From main screen press successively on 3 key to scroll E1 to E5 screens Dd 15 05 2009 LCpk 126 7 dB LXeq 103 8dB Hd 08 15 LAeq T 082 3 dB wo Df 15 05 2009 LCeqT 0887dB 3 vm Hf 18 30 EAT 0 51Pa h DI 1s D Dose 54 IT V 1 2 c Y AIC 63 8kHz GOO DES H NH Audio non AC 61 250 a amp E LCpk 126 7 dB Vi V2 Lexd 95 3dB 00 A 00 EAd 0 51Pa h D 440 6 Dose 54 P exp 51 0 137 0 00 08 00 00 2 4350 gt Press 4 key to back to dataset selection screen 10 11 Reading in V1 channel mode When required dataset number is displayed press 1 key gt From main screen press successively on 3 key to scroll E1 to E4 screens gt Press 4 key to back to dataset selection screen LCpk 126 7 dB LAeq T 082 3 dB LCeq T 088 7 dB EAT 0 51Pa h Dose 54 00 07 30 00 E2 results screen e LCpk max on T
3. 11 3976 4003 Fone 11 3999 7737 21 www romiotto com br E mail info romiotto com br O Instrumentos de Medi o Dd 15 05 2009 Hd 08 15 Df 15 05 2009 Hf 18 30 DI 1s V 1 2 AIC Audio non LCpk 128 7dB LAeq Di 095 3dB LCeq Di 098 7dB LAeq T 091 3dB LCeq T 096 5dB 00 00 00 46 LXeg 103 8dB 50 dk 4k LCpk 126 7 dB LAeg T 082 3 dB LCeq T 088 7 dB EAT 0 51Pa h Dose 54 00 07 30 00 V1 05 A 0 140 0 137 2 135 Dd 15 05 2009 Hd 08 15 Df 15 05 2009 Hf 18 30 DI 1s V 1 All C 11 63 8kHz Audio non 10 5 Measurement in progress V1 V2 channels and frequency analysis with filters by octave bands from 63 Hz to 8 kHz gt From general screen of measurement press 3 key to scroll screens from E1 to E5 gt Press 1 key to go from V1 screen to V2 screen gt Press 4 key to back to general screen of measurement LCpk LAeg Di LCeq Di LAeqT LCeqT 00 00 128 7dB 095 3dB 098 7dB 091 3dB 096 5dB 00 46 CAG Okey E2 Screen of frequency analysis from 63 Hz to 8 kHz with graphical representation of LXeq DI To read values gt Press 2 key The cursor moves in relation with weighting or value of the filter by octave band and letter X of LXeq DI indicated inside the pictogram LXeq DI level is displayed on the top E3 results screen e maximum LCpk on T measurement duration e LAeg
4. e Duration of measurement Press 1 key to go from V1 channel screen to V2 channel screen E3 detection screen of V1 and V2 channels overloads and peak level values 135 137 140 dB see page 37 V1 05 A LCpk 126 7 dB Lexd 95 3 dB EA d 0 51Pa h Dose 54 P exp 51 00 08 00 00 LCpk 128 7 dB LAeg T 081 8 dB LCeq T 082 7 dB EA T 0 45Pa h Dose 45 00 07 30 00 33 V2 0 0 A 0 0 0 140 0 0 137 0 2 135 0 E4 results displayed on the screen concern the daily exposure level scaled to an exposure of a standardized day of 8 hours from results from T LCpk 126 7 dB LCpk 128 7 dB duration of measurement Lexd 82 0 dB Lexd 81 5 dB This duration T must be representative of the effective duration of the EAd 0 51Pa h EA 0 45Pa h workstation Te Dose 50 Dose 45 i P exp 51 P exp 45 In this hypothesis the peak level of noise pressure noise exposure values ean Teaneck 00 08 00 00 and noise dose of the E4 screen are the same as the values of E2 screen E4 V2 E4 Exposure points P exp this number is the equivalent of the hundredth of EJ E Ls sound exposure and is used in the simplified method explained by the INRS in its ED6035 document available on the INRS website 10 13 Reading V1 channel mode and frequency analysis with filters by octave bands from 63 Hz to 8 kHz gt When required dataset number is displayed press 1 key From main screen press successively on 3 key to scroll E1 to
5. V1 V2 channels and frequency analysis with filters by octave bands from 63 Hz to 8 kHz22 10 6 Measurement in progress audio recording on threshold ssssssssssssssseeeeeeeeeeee nennen 23 10 6 1 Temporal Synoptio eec ee qe ei pue ela dte NH gr hd is e eee E eS 24 10 6 2 Synoptic of the management of the recording dynamic sse nennen nnn 24 0 6 3 Use of audi o recordimp e eee Ce TEL ee ee e ted etie deed te eis e eee re P eons ERES 25 10 6 4 Measurement in progress Data reading ssssssssssseseeseeeee eene 26 10 7 Measurement launcling 25 reor ep mere Regine e Re UE E ede eee tee AE 27 10 7 1 Immediate mode 4 eee eee tetendit ended aede dte itd 27 10 7 2 Delayed Mode as tee ete estet de eH ei tete indie d e e P E e OR 27 LO 7 3 Repetitive delayed mode dee deeem CESP GS ive ES pie in Eee epe EA 28 LO 7 d Eree delayed mode ete A eoa ee ee Wee dert 29 10 7 5 Delayed mode measurement wait esses eene nnne nnne trennen eerte nnn een enne 29 10 7 6 Delayed mode leave wait moment and stop the programming sesssssssseseeseeeeeeeenne eene 29 10 8 Stop the measurements reete tib nee EN ete RUE 30 T0 9 D ta proCesslpuscntutdoetisasiheititutneeteodbntetduniiee ated diluit ati tussi iti ni 31 10 10Data readins reet Se dne bed a e o SS 31 10 11 Reading in V1 channel mode ri eene nennen nennen entere nennen retener nentes e nene n nen
6. 137 140 dB SXX order number of event timers or session XX is limited 99 EY order number of the screens Y goes from 1 to 6 Dd measurement start date Format 00 00 00 Hd measurement beginning time Format 00 00 Df measurement end date Format 00 00 00 Hf measurement end time Format 00 00 V1 V2 channel measurement D MB microphone name AIIC simultaneous measurement according A and C frequency weightings AIICII63Hz BkHz simultaneous measurement according A and C frequency weightings and filters by octave band from 63 Hz to 8 kHz 00 00 00 00 measurement duration format in days hours minutes seconds 00 00 current time format in hours minutes 18 11 2010 date format JJ MM AAAA 00 00 current time format in hours minutes Alarm two coloured visual alarm for detection Audio audio recording on exceeded thresholds AutoOff automatic stop of the instrument when it is stopped Ver Lcd LCD screen locking Ver Stop locking of the Stop function during measurement Ref reference level for calibration Cr Cl free field correction term in calibration mode Mem number of possible session 4 Operating principle 4 1 Keyboard presentation Turn on the instrument three modes of operating are available These modes are accessible with 1 2 and 3 keys 5 key allows to go to reading settings or data transfer screens 4 key is used to back to start screen from any mode During measurement 4 key
7. 6 key until the screen turns off Note a fast press on this same key turns on or off the backlight Note it is possible to custom the protection code For that please see the LDS300 software user manual 10 9 Data processing At the end of measurement it is possible to store data and create a dataset or reject the measurement and erase data Accepter measurements and store them gt Press once 3 key Sto A banner visualizes the storage phase 01 Raz Sto Reject measurements and do not store them Raz gt Press twice 1 key Raz az A banner visualizes the data deletion phase S01 Raz 10 10 Data reading All the measurements are stored in a micro SD card in the form of files called datasets Ex S01 S02 S03 In order to take notice of measurement results before transfer to a computer proceed as follow gt Press 5 key from start screen gt Move the cursor Read item with 1 or 2 keys RoMiotto RoMiotto Instrumentos hum l ll de Medi o Ltda Instrumentos de Medi o Rua S o Leonardo 187 Freguesia do S o Paulo SP Cep 02803 000 Fone 11 3976 4003 Fone 11 3999 7737 31 www romiotto com br E mail info romiotto com br gt Validate with 3 key OK Configuration screen of the last dataset is displayed To consult the other datasets scroll with 2 or 3 key until get the required number Configuration screen of each dataset makes easier its search Dd 15 05 2009
8. E5 screens gt Press 4 key to back to main screen of dataset selection LCpk 126 7 dB LAeg T 082 3 dB E2 resul reen esults scree LCeq T 088 7 dB LCpk max on T duration of measurement EAT 0 51Pa h LAeq LCeq on T duration of measurement Dose 51 EA noise exposure on T duration of measurement 00 07 30 00 Noise dose referenced at 85 dB during 08h00 e Duration of measurement E3 screen of frequency analysis from 63 Hz to 8 kHz with graphical display of LXeg DI To read values Press successively on 2 key E The cursor moves linked to the weighting or the value of filter by octave band and the letter X a of LXeg DI shown inside the pictogram 10 LXeq 103 8dB AC k LXeq DI level is displayed on the top of the screen V1 E4 detection screen of overloads and peak level values 135 137 140 dB see page 37 05 A 0 140 0 137 2 135 E5 results displayed on the screen concern the daily exposure level scaled to an exposure of a EG lee np standardized day of 8 hours from results from T duration of measurement Lend So DaB This duration T must be representative of the effective duration of the workstation Te es ybi In this hypothesis the peak level of noise pressure noise exposure values and noise dose ofthe ES pexp 51 screen are the same as the values of E2 screen 00 08 00 00 34 Exposure points P exp this number is the equivalent of the hundredth of sound exposure and is used in t
9. also allows to leave the current screen neo 1 D Function keys they are directly linked to texts of the LCD screen situated at the top and allow to choose the measurement mode and setting Exit key allows to leave current screen 5 Screen key allows to go to others different screens from measurement screens 6 Start stop key Important note 1 2 3 keys are representative of the text or logo situated on the top in the screen which means LA the measurement is in progress J the measurement is finished or will be launched 4 2 Screen presentation Three screens represent the different measurement and calibration modes et accessible with 1 2 and 3 keys eae IE LXeq 103 8dB Vi dB V2 Paio 5 LCpk Ref EATE 85 2 i 1006 115 8 CrCI 00 3 n LAeq DI MASA a U dBA 906 958 v1 v2 max 115 7 d as 968 1025 0 3 0 0 min 73 4 i Pr es 00 00 00 00 ER ENE gt Classical sound level meter Analyser dosimeter Calibration and frequency analyzer exposimeter with storage Pressing 5 key shows the screen for the choice of the different available settings Move the cursor with Arrows buttons then validate with the 3 key 5 Set the instrument The setting of the instrument contains all the useful and necessary operations for a good processing of Contr R tro measurement reading of results or data transfer It also gives information about the correspondence dia mes
10. comes on the the microphone with its anti slide safety clip In case of wear only the foam part can be replaced To remove the windscreen take it between the thumb and the forefinger and pull hard Incase of calibration remove the windscreen 42 14 1 Standards The instrument meets the following standards e NF EN 61252 2002 IEC CEI 61252 2002 IEC CEI 61672 2003 IEC CEI 61260 1995 A1 2001 e NF EN 61000 6 1 NF EN 61000 6 2 NF EN 61000 6 3 NF EN 61000 6 4 2001 14 2 Metrology 44 Technical features Features Leq and Lp channels Peak channel Accuracy Class 2 Class 2 Dynamic range V1 only 40 140 dB 93 143 dB Dynamic range V1 and V2 40 120 or 60 140 dB 73 123 or 93 143 dB Frequency weightings Aand C CorZ Filters 8 filters by octave band from 63 Hz to 8 kHz Values LAF LAS max min LAeq LCeq LCpk LZpk LXeq max min Lex d EAT DOSE Simultaneous measurement mode LAeq LCeq LXeq 63 Hz 8 kHz LCpk LZpk Duration of LXeq integration From 1s to 60 s step of 1s Noise pressure sampling 24 kHz 24 kHz Detection and peaks counting 135 dB 137 dB 140 dB Memory module Integrated type Micro SD 2 Go Data download by USB cable Storage capacuty 99 event timers work station Clock accuracy Better than 0 01 96 Microphone Type electret diameter 9 5 mm 3 8 15 mV Pa Audio recording optional On micro SD card 2 GO Maxi
11. following features Channel exclusively V1 Microphone black sleeve or housing microphone D MB Dynamic range extended 40 140 dB Weightings filters A C or A C 63Hz 8kHz Audio recording on threshold on V1 channel yes or no see table page 44 Alarm on V1 channel yes or no LCD screen off and locked yes or no Memory capacity 99 measurements of 24 hours minimum Autonomy see table page 44 Measurement stop protected yes or no Or Two measurement channels V1 and V2 with following features V1 channel black sleeve microphone or housing microphone D MB V2 channel blue sleeve microphone Dynamic range industrial 60 140 dB or service sector 40 120 dB Weightings filters A C or A C 63 Hz 8 kHz Audi recording on threshold on V1 channel yes or no see table page 44 Alarms on V1 and V2 channels yes or no LCD screen off and locked yes or no Memory capacity 99 measurements of 24 hours minimum Autonomy see tableau page 44 e Measurement stop protected yes or no And for both types of measurement 1 or 2 channels Temporal setting for measurement launching immediate start manual delayed starts and stops daily measurement delayed repetitive starts and stops weekly measurement repetitive daily time free starts ans stops with LDS300 software only tasks or samples or weekly measurement progressive daily time 7 Calibrate the instrument Before each measurement series
12. records the temporal evolution on an elementary duration programmable from 1 s to 60 s usually 1 s it displays and keeps in memory the maximum peak pressure level reached during each duration of elementary integration Results the reading gives for the total measurement duration onthe instrument the maximum peak pressure level reached during the measurement e with the software the maximum peak pressure level reached during the measurement and the maximum peak pressure level reached for each duration of elementary integration usually 1 s Counting only for 40 140dB and 60 140 dB measuring ranges For 40 120 dB range counters display 0 The higher value being 123 5 dB peak It is limited to the number of elementary periods whom maximum peak pressure level exceeded reference values 135 137 140 dBC Z This principle has the advantage to consider all the values related to the sampling rate 23 000 s possible and simplifies the results reading and keeps the preventive and regulatory nature of this control The example on the right shows that during measurement the dosimeter had recorded V1 0 A e 2 elementary periods whose maximum peak pressure level has exceeded 140 dB 2 44 e 4elementary periods whose maximum peak pressure level has exceeded 137 dB 4 137 9 e Oelementary periods whose maximum peak pressure level has exceeded 135 dB dem So these results show that during 9 DI elementary periods the maximum peak pressure level ha
13. to 10 free periods start and end dates and hours requires imperatively LDS300 software 10 7 1 Immediate mode gt Press 2 key Measurement starts immediately results are displayed at the rate of integration duration 10 7 2 Delayed mode It is possible to set start and end of measurement date time in case of absence For example preparation of the instrument the day before the study of night work gt Press 3 key fel MN V4 dB Prog mesure Programming screen is displayed LCpk Dd 01 07 2009 gt Move the cursor with 1 key arrow 100 6 Hd 08 35 LAeq DI Df 01 07 2009 gt Change the different items with 2 and 3 keys 6 Hf Eso e Db date of measurement beginning Pur ae Repet 01 i M m OK Hb time of measurement beginning De date of measurement end pa en no OR x e He time of measurement end NIKI EXES ES Keep the element Repet at 01 Mode the cursor imperatively until OK is displayed at the bottom right of the screen Press 3 key linked to this pictogram VNN 27 Programming of measurement launching is performed The last two lines specifies Prog mesure gt that memory capacity is sufficient OK Dd 01 07 2009 f Hd 08 35 gt that battery capacity allows the measurement OK n a o Hf 18 30 In case of incompatibility KO is displayed for OK In this case Repet 01 gt Erase memory of the instrument moi OK i gt Load the battery ella tabs EEE Important note by using the
14. 0 140 LCpK peak pressure level in reference with 20uPa C weighted LZpK peak pressure level in reference with 20uPa Z weighted Lin RST reset of calculations of maximum or minimum values memorized erasing of measurement session or of the whole memory Sto save and store data in the microSD card DI programmable duration of elementary integration from 1 s to 60 s for the calculation of the equivalent continuous level stored in the memory LAeq DI A weighted equivalent continuous level on DI duration LCeq DI C weighted equivalent continuous level on DI duration LXeq DI A or C weighted equivalent continuous level on DI duration or filtered by octave band from 63 Hz to 8 kHz DI duration LAeq T A weighted equivalent continuous level on the total duration of measurement T LCeq T T weighted equivalent continuous level on the total duration of measurement T LXeg DT or C weighted equivalent continuous level on the total duration of measurement Lex d A weighted daily exposure level EA noise exposure on the measurement duration T in Pa h EA d noise exposure on the standardized duration of 8 hours in Pa h Dose Noise dose in Reference 85dBA during 8 hours Lc reference level for the calculation of the dose 85dBA Tc duration reference for the calculation of Lex d and dose 8 hours P exp exposure points 1 exposure point 0 01Pa h L135 L137 L140 symbols for the detection of peak pressure levels of 135
15. 4 screen detection of V1 and V2 of overloads and peak level values 135 137 140 dB see page 37 00 A 00 0 140 0 0 137 0 2 135 0 E5 results displayed on the screen concern the daily exposure level scaled to an exposure of a E standardized day of 8 hours from results from T duration of measurement E This duration T must be representative of the effective duration of the LCpk 126 7 dB LCpk 128 7 dB workstation Te Lexd 82 0 dB Lexd 81 5 dB In this hypothesis the peak level of noise pressure noise exposure values EA d 0 51 Path SR en and noise dose of the E5 screen are the same as the values of E2 screen Dose 50 ose P exp 51 P exp 45 00 08 00 00 00 08 00 00 Press 1 key to go from V1 channel screen to V2 channel screen 35 Exposure points P exp this number is the equivalent of the hundredth of sound exposure and is used in the simplified method explained by the INRS in its ED6035 document available on the INRS website 10 15 Files transfer This function allows to transfer data to a computer with a USB cable LDS23 or LDS300 software will have been previously installed on the computer gt Tum on DS300 Link DS300 to PC with a USB cable Press 5 key from start screen Move the cursor on PC item with 1 and 2 keys Validate with 3 key Screen PC is displayed Press 3 key to pour activate USB connection gt gt gt gt Contr R tro Prog mesure Fl Lecture PC Lg P IPC Con
16. 4 7 3 3 Calibration of D MB microphone ieiase iiec eee et ine ROT eg Ver e e ae eoe e eee eee ATIS edens 14 8 Classical sound level inetet o e e eo eoe D I OR ERREUR ORE ERU ates Ea qa 15 8 1 Settings before perform the measuremennt sess enne nnne tenente innere nene nnne n nenne tnn seinen nnns 15 8 2 Perform a measurement ne nente e be OIN E e otv UO ETATE UE odds setters be e Pr Eee e n eee NA e ete ies 15 9 Analyzer integrating averaging sound level meter seesssssssssseseeeseee eene eene nnnnr ener enne n nennen enne 16 9 1 Setting before performing the measurement ssssssesssssesseeeseeee eene eere nene enne inneren ener ennn nennen neni 16 Q 2 VS ROT TECA UCET IU E 16 9 2 1 Explicative synoptic of the START STOP mode sss nennen nnne nennen neret 17 SNO DEI C 18 10 Sonom tre int grateur moyenneur analyseur esses eene enne enne enne en terne entrent n nnne nenas 18 10 1 Settings before perform the measurement range selection sse eene enne nennen nenne 19 10 2 Measurement in progress V1 eh anie bionic a eren ener ennn entrer erre aa a enne nnne nennen 19 10 3 Measurement in progress V1 V2 ehannelS secre n eee enne enne a i enn enne enn 20 10 4 Measurement in progress V1 channel and frequency analysis with filters by octave bands from 63 Hz to 8 kHz 21 10 5 Measurement in progress
17. ION IEE HG eC delete RH E DE rca ER 44 1 Introduction The DS300 noise dosimeter is a measuring instrument allowing measurement of noise exposure at workstation lts advanced features make easier the investigation to determine and reduce noise pollution frequency analysis by octave band for an optimal choice of protections gt two channel dosimeter for simultaneous measurement of exposures suffered by the ears audio recording of noise sources on thresholds for a better identification In accordance with international standards DS300 instrument calculates values usually used to compare with exposure regulatory values Thanks to its memory DS300 instrument stores measurement event timers which are then transferred to a computer and processed with LDS23 software supplied with the instrument LDS300 software supplied as option allows an analysis more detailed as per NF EN ISO9612 2009 standard In addition this noise dosimeter has a classical sound level meter and analyzer integrating averaging function for a 1 estimation of the noise environment of the workstation 1 1 Presentation DS 300 comes in the shape of a little case with ergonomics forms It can be easily positioned on the belt or in a cloth pocket of people at their work station the microphone at the end of extension is fixed thanks to a kit specially designed to minimize perturbations created by chocks or cloth frictions Measurements are stored in a microSD card me
18. JAM E All the values are reset when a new measurement is launched 2 key Start Stop Press 2 key Resetting concerns LXeq T global levels LXeqMax LXeqMin memorized values e Overload information if present gt Press 4 key to leave analyzer integrating averaging sound level meter function and back to home screen 10 Sonometre int grateur moyenneur analyseur Before each measurement it is recommended to calibrate the instrument see page 13 Measurement settings will have been previously defined in the Measurement programming menu This is about e use of 1 or 2 measurement channels V1 or V1 and V2 Selection of C or Z weightings of sound pressure peak level usually C Setting of duration of elementary integration of the equivalent continuous level usually 1 s e measurement of equivalent continuous level simultaneously with both frequency weightings A and C and with or without frequency analysis from 63 Hz to 8 kHz e activation or not of visual alarms e activation or not of audio recording on threshold From start screen press 2 key 18 In order to check the proper operating of the measurement chain before launching a measurement DS300 instrument processes the sound pressure signal and displays according to the initial programming V1 only or V1 and V2 e the equivalent continuous levels of A and C weighted sound pressure for each duration of each elementary integration LAeq DI LCeq DI e t
19. KIMO INSTRUMENTS Pressure Temperature Humidity Air velocity Airflow Sound level Noise dosimeter RoMio RoMiotto Instrumentos Er de Medi o Ltda Instrumentos de Medi o Rua S o Leonardo 187 Freguesia do S o Paulo SP Cep 02803 000 Fone 11 3976 4003 Fone 11 3999 7737 www romiotto com br E mail info romiotto com br Table of contents l Introductiom o eere eerte ce CPR e e tetti DO dda tal rec dae ee DR DE DRDS el etaed etd et 5 MB Jur 5 Te2 MAM e NE a E Sea 5 2 General polntsz ni itte t RE e RA ce Pme dtes dette peer dt E Ettore Pee RS a duto iota dus 6 DA R pulatoky oe eee esed ec d Pet nm ette E ton d e T 6 PAPA 1 aDOUE A wees 6 De 3 M CasUTe IDEs itat pene A NTE TUI e o n tete d eet iie ea 6 2 4 Noise exposure Exposure Points rrn irea i i eene Aa E A a einen inen e eres inen e senten ennt retener inneren nnns 6 ER V cbnibe pe 7 4 Operating principles iscas 3 5 onto Rate rer e e irre Pr ele pa e CA reet onera ee Das vole E BR POEM R Re Tode E Re e TANE 8 4 Y Keyboard presentation e n a RR Oe ee IR EO ED EUER GO Una ea GT EIE IET IR DE EE RE EE HUS 8 4 2 Sereen presentation movie tet eb ten eet dt rede diet iis cete litre ee eerie nd 8 S Set tlienstr mient 55 ote te dee iar ASAP DA Pao Deseo ube iae bM LIS SEREIA d rete Pte gite ee tate Fora eee tede E a a 9 5 1 Ad
20. Press 1 key to validate STOP directly if Ver Stop function is inactivated ur n or N autorisation N autorisation N autorisation 0080 008H 0082 DS300 gt STOP gt STOP gt STOP na GRE GAE Waiting mode is stopped Delayed mode programming is completely cancelled Back to start screen gt IMPORTANT authorization number is 0082 Note it is possible to change and custom the protection code For that please see LDS300 software user manual 10 8 Stop the measurement In case of manual launching of the measurement usually a manual stop must be realized from general measurement screen gt Press 2 key LCpk 128 7dB um LAeq Di 095 3dB Mes LCeq Di 098 7dB autorisation LAeg T 091 3dB 0000 L TS 5dB Ceq T 096 5d E 00 00 00 46 Bla GEES To confirm the stop or to avoid an unwanted stop the authorization number must be filled in Move the cursor in video inverted to 0000 number present in middle of the screen gt Choose successively numbers with 2 and 3 keys gt Move the cursor to STOP arrow after the least number gt Press 1 key to validate STOP 003 n3 iti mm N autorisation N autorisation N autorisation N autorisation 0000 00B0 008H 0082 S01 gt STOP STOP STOP STOP DOE Seo CHE nom a E Measurement stops a screen to save or erase the dataset appears IMPORTANT authorization number is 0082 30 To stop the instrument press a few seconds
21. T LCeq on T measurement duration EA sound exposure on measurement duration e Sound dose given in referenced at 85 dB during 8H00 Measurement duration E4 detection screen of both V1 and V2 channels overloads and values of peak level 135 137 140 dB see page 37 E5 remind screen of measurement settings for V and V2 channels LCpk 128 7dB LAeg Di 085 3dB LCeq Di 088 7dB LAeg T 086 3dB LCeq T 089 7dB 00 00 00 46 LXeq 103 8dB B o MM HERE LCpk 126 7 dB LAeq T 082 3 dB LCeq T 088 7 dB EAT 0 51Pa h Dose 54 00 07 30 00 ENIMS LXeq 098 8dB wo MM AC 63 250 dk 4k LCpk 123 9 dB LAeg T 081 8 dB LCeq T 082 7 dB EA T 0 45Pa h Dose 48 00 07 30 00 V1 V2 0 0 A 0 0 0 140 0 0 137 0 2 135 0 Dd 15 05 2009 Hd 08 15 Df 15 05 2009 Hf 18 30 DI 1s V 1 2 All C 63 8kHz Audio non 22 10 6 Measurement in progress audio recording on threshold During data processing of a measurement and after visualization of temporal evolution with LDS23 or LDS300 software some results can be surprising and stir up questions e Is the obtained value come from a measurement artefact e What is the sound source at the origin of this level To help you DS300 instrument is equipped with an audio recording function that is automatically activated for a threshold exceeding previously set This detection threshold concerns e the A weighted
22. a calibration must be perform with an appropriate calibrator A control will be also perform at the end of the measurement The interval between both calibrations should not differ from more 0 5 dB If not performed measurements are questionable 7 1 Free field coefficient Asound reference source calibrator or pistonphone supplies an sound level pressure During a measurement in free field phenomenons of diffraction due to microphone housing and proximity of obstacles come to disrupt the measurement This disruption is minimized if the microphone is away from the housing For DS300 correction in free field linked to microphone is insignificant and close to 0 dB This induces by the proximity of the microphone with the body of the person who wears the microphone is very complex and can not be expressed as free field correction but more reasonably as measurement uncertainty linked to microphone wearing So the Cr Cl free field correction reminded and unavailable on the screen is 0 0 dB 7 2 Modification of the value of the reference source gt Select Cal pressing 3 key from start screen The screen below appears The reference value pre programmed during the manufacture of the instrument shows a priori that Ref we are using a calibrator of nominal value of 94 dB 1000 Hz Other values that can be meet 110 e 0 0 x dB 114 dB and 124 dB 0 3 Note the measuring is performed on the range 60 140 dB and in C weighting it is possib
23. age mode To reactivate the LCD screen press a key and enter a code In inactive locking mode the LCD screen remains always on To confirm the reactivation of the LCD screen an authorization number must be fill in gt Move the cursor in inverted video on the number 0000 in the middle of the screen Select successively the numbers with 2 and 3 keys gt Move the cursor on the LCD arrow after the last number gt Press 1 key LCD to validate LCD screen is reactivated ur rmm um i N autorisation N autorisation N autorisation N autorisation 0000 00H0 008H 0082 LCD gt LCD LCD gt LCD EE EZ ES ESI EI Es ERES IMPORTANT reactivation number is 0082 Note itis possible to customize the authorization code For that please see LDS300 software user manual 38 11 8 Stop locking waiting mode The locking of the measurement stop or of the waiting mode delayed start can be useful according to the situation In active locking mode the measurement stop in storage mode and the leaving of the waiting mode in delayed start are impossible To reactivate these possibilities enter a code see previous page In inactive locking mode the measurement stop and the leaving of the waiting mode in delayed start become become immediately accessible 39 12 Maintenance 12 1 Care The dosimeter conception allows a reduced maintenance which consists in changing batteries and cleaning the instrument wit
24. annel frequency analysis Audio LCpk 1287dB LXeq 103 8dB LCpk 1267dB V1 e Dd 15 05 2009 o udio LAeg Di 095 3dB LAO osm AY A LCeqDi 098 7dB Noca Eita i EAT 0 51Pa h 0 140 Ref LAeq Hf 18 30 LAeg T 091 3dB oso Dose 54 0 137 E a 95 5 dBA DI 1s T 096 i Nbr V 1 CAD quM 00107 30 00 2 135 All C 63 8kHz 00 00 00 46 Audio oui ICE HAA 26 Ex 2 Screens chain during data reading V1 V2 channels frequency analysis Audio LCpk 126 7 dB LXeq 103 8dB LCpk 126 7 dB LAeq T 082 3 dB m LCeq T 088 7 dB m Lex d 95 3 dB EAT 0 51Pa h 7 EA d 0 51Pa h Dose 54 M Dose 54 P exp 51 Dd 15 05 2009 00 07 30 00 E V1 V2 00 08 00 00 a A Ea 0 0 A 00 ETA 15 Hf 18 30 0 140 0 Ref LAeq y o o 37o Seuil 95 5 dBA 4 Nbr 10 All C Il 63 8kHz ee E T LXeq 098 8dB 2 4135 0 LCpk 128 7 dB io eq T 081 xo Em i E LCeq T 082 7 dB Lexd 81 5 dB EAT 0 45Pa h w EAd 0 45Pa h A ns E il Dod ase 0 P exp 45 00 07 30 00 x 00 08 00 00 Please not audio recording is performed on the reference channel V1 only 10 7 Measurement launching DS300 instrument proposes four modes to launch the measurement Immediate mode manual launching with keypad e Delayed mode programmable launching and stop Repetitive delayed mode from 2 to 10 times maximum the programming realized in delayed mode Free mode programming from 1
25. ate the date day month year e Heure update the time hours minutes 5 6 Battery life Autonomy gives information about the remaining memory capacity expressed in measurement period and the measurement duration according the remaining battery capacity estimation linked to battery ageing et ambient conditions Example 96 means that the instrument can still perform 96 measurement event timers 1 measurement 1 work station 5 7 Instrument This screen gives information about the main constitutive elements of the noise dosimeter e instrument and its serial number e microphones serial numbers V1 or V1 and V2 and D MB according to the case e the firmware version number 5 8 About Lang Anglais AutoOff oui V Stop non V Lcd non Date 02 07 2010 Heure 08 35 RE Mem 96 Batt 50 Dur e 14H00 This screen gives information about the origin of manufacture standards reference of the product and dates of last and next checks 10 6 Measurement modes DS300 has two operating modes with calibration function in addition e Classical sound level meter mode and integrating averaging analyzer without storage for a fast measurement e Integrating averaging noise dosimeter analyzer with storage for a study of daily exposure These functions are available from home screen just press 1 2 or 3 keys associated with pictograms 6 1 General synoptic DS300 Ich O0 ON X Non storag
26. city allows the measurement OK Alim OK In case of incompatibility KO is displayed for OK In this case gt Erase memory of the instrument see page 36 gt Load the battery Note about battery loading KO will be displayed if and only if the residual capacity does not allow to perform the first measurement You must load the battery before any launching of measurements 28 10 7 4 Free delayed mode As previously it is possible to set measurement end and beginning at moments date time in case of absence and according to a non periodic free distribution The programming is only accessible through the LDS300 software and is restricted to 10 periods It is possible to use this mode if the measurement by function meeting NF EN ISO 9612 2009 standard has been selected as measurement strategy These periods appear as exploitable samples in an analysis of HEG homogeneous exposure group see LDS300 user manual 10 7 5 Delayed mode measurement wait The principle of a delayed or free repetitive delayed measurement imposes a temporal management of the instrument which is as follows e programming is made validate waiting mode is displayed This screen is displayed a few moment then turns off e the instrument moves to sleep mode to keep battery capacity It reactivates itself a few moment before the measurement measurement is performed data are recorded The instrument moves to sleep mode until next measuremen
27. d the calibration date are memorized and visible for 0 3 the next calibration 01 04 2011 gt Press 4 key to leave calibration function 7 3 2 Calibration of V2 channel V2 channel is accessible only if it is selected before in the Measurement programming menu gt Turn on the calibrator and put it on the microphone of V2 channel blue sleeve gt Put the cursor on V2 mmm The instrument automatically adjusts the gain of chain to get the coincidence of levels displayed in bdo Ref and V2 When the measurement is stabilized a pictogram OK appears to validate Press 3 key 94 0 At this moment the correction value of the gain and the calibration date are memorized and visible for 01 04 20 n the next calibration gt Press 4 key to leave calibration function OK 7 3 3 Calibration of D MB microphone D MB housing microphone must be put on V1 channel It is automatically detected and D MB inscription is displayed and information of previous calibration correction and date gt Turn on the calibrator and put it on the microphone gt Put the cursor on D MB The instrument automatically adjusts the gain of chain to get the coincidence of levels displayed in ana Ref and D MB When the measurement is stabilized a pictogram OK appears to validate Press 3 key 94 0 At this moment the correction value of the gain and the calibration date are memorized and visible e T 01 04 2011 for the next calibration gt Press 4 key to leave ca
28. delayed mode without programming beginning date and time current date and time always present but by programming end date and time measurement launches immediately when it is validated and will stop at the programmed time This programming allows a measurement and instrument stop without being present 10 7 3 Repetitive delayed mode As previously it is possible to set measurement end and beginning at moments date time in case of absence and according to an established period For example following of a weekly noise exposure in case of night work Set date and time of first measurement beginning and end gt Indicate the number of measurements to perform the following days at the same times gt Move the cursor with 1 key arrow Prog mesure Change the different items with 2 and 3 keys Dd 01 07 2009 e Db date of measurement beginning Hd 08 35 Hb time of measurement beginning 1 ERE e De date of measurement end Repet 0 e He time of measurement end M m OK gt Change Repet 01 element indicating the number of required repetitive measurement from 02 epe e to 10 gt Mode the cursor imperatively until OK is displayed at the bottom right of the screen gt Press 3 key linked to this pictogram EWEN Programming of measurement launching is performed Be ii 9 9 gen Hd 08 35 Df 01 07 2009 The last two lines specifies Hf 18 30 gt that memory capacity is sufficient OK ay gt that battery capa
29. dio listening computer ear environment about 50 dB to this more extensive of DS300 instrument 100dB Important To make more comfortable the re listening on PC we advise the use of an external amplified speaker system to the PC RoMiotto RoMiotto Instrumentos lani i ul de Medi o Ltda Instrumentos de Medi o Rua S o Leonardo 187 Freguesia do S o Paulo SP Cep 02803 000 Fone 11 3976 4003 Fone 11 3999 7737 www romiotto com br E mail info romiotto com br 23 10 6 1 Temporal synoptic Exceeding area of sound level on threshold ex 87 dB Tgl pre and post recording fixed at 4 seconds for supervision of audio exceeding on threshold ms Final recording pre and post exceeding exceeding VERY IMPORTANT when audio function is activated the DI duration of elementary integration for calculation of the LAeq et LCeq equivalent continuous level is automatically set at 1 second I Rep ANA NAM En X I3 Jd 31 Zw j niveau d coute confortable 120 Seuil enreg niveau d coute moyen a faible Dynamique de mesure de V1ou V1 V ue pour enregistreur 24 Selection of a detection level for audio recording it must be on the planned measuring range 40 120 or 60 140 in two channel operating V1 and V2 or 40 140 in one channel operating V1 Example do not choose a 125 dB threshold on the 40 120 range Setting of the digital gain
30. duration of measurement e LAeq LCeq on T duration of measurement EA noise exposure on T duration of measurement Noise dose referenced at 85 dB during 08h00 e Duration of measurement E3 detection screen of overloads and peak level values 135 137 140 dB see page 37 E4 results displayed on the screen concern the daily exposure level scaled to an exposure of a standardized day of 8 hours from results from T duration of measurement This duration T must be representative of the effective duration of the workstation Te In this hypothesis the peak level of noise pressure noise exposure values and noise dose of the E4 screen are the same as the values of E2 screen Exposure points P exp this number is the equivalent of the hundredth of sound exposure and is used in the simplified method explained by the INRS in its ED6035 document available on the INRS website 10 12 Reading in V1 V2 channels mode When required dataset number is displayed press 1 key From start screen press successively on 3 key to scroll E1 to E4 screens gt Press 1 key to go from V1 channel screen to V2 channel screen gt Press 4 key to back to general measurement screen E2 screen results LCpk 126 7dB LCpk max on T duration of measurement LAeq T 082 3 dB e LAeq LCeg on T duration of measurement LCeq T 088 7 dB e EA noise exposure on T duration of measurement aa eae i e Noise dose referenced at 85 dB during 08h00 00 07 30 00
31. e sound Sound level meter dosimeter analyzer level meter with storage Calibration V1 dB V2 Du Ref 94 0 dB o USE CrCl 0 0 906 958 v2 LCeq DI 94 0 968 102 5 0 3 00 00 00 00 50002011 Ir EXN Ic yl N cred 103 8dB 1 Classical sound level Integrating averaging sound meter dBA level meter analyzer am LXeq 103 8dB LCpk 115 7 dB 85 2 ERA E dBA EMEN j S ih min 73 4 ees HER BOB 11 6 2 Determination of the daily noise exposure Available possibilities see options list page 44 of DS300 are based on the level of required investigation and on the adopted measurement methodology So it is possible to Measure on one or two channels simultaneously to determine the most exposed ear Perform a a frequency measurement with filters by octave bands from 63 Hz to 8 kHz on one or two channels This analysis allows the optimum choice of personal protector against noise PICB Make from the channel 1 audio recorders on LAeq or LCpk levels exceeded for a better identification of noise sources Perform temporal settings Multiple starts and stops on a work station in connection with identified tasks or samples linked to the employee function Multiple starts and stops on a weekly work station DS300 o 29 Q9 Note according programmings some metrological features of the noise dosimeter are adjusted From Q key One measurement channel V1 with
32. en gives information about dates and times of beginning and A y Me iiie ends of measurement and about measurement settings sto gt Then press 1 key to read lire all of the other results gt Scroll with 3 key the different screens in connection with event timers gt Leave the event timers pressing 4 key 5 4 PC From this screen it is possible to clear the memory of the instrument pressing 1 key A second press is necessary to validate this action In case of change of mind or error press 4 key to stop this sequence Connect to the computer with USB cable 5 5 Configuration Dd 15 05 2009 Hd 08 15 Df 15 05 2009 Hf 18 30 DI 1s V 1 2 All C I 63 8kHz Audio non pose From this screen use the arrow 1 to move the cursor in the required area and modify with 2 and 3 keys the proposition The different settings are e Languages French or English e AutoOff yes or no If yes is selected the instrument will stop after 15 min of non use This allows to save battery life in case of omission to stop if no measurement is launched see page 38 V Stop yes or no If yes is selected unwanted stop of measurement in storage is impossible V Lcd yes or no If yes is selected LCD screen is off 60 seconds after the launching of measurement in storage mode To reactivate these two functions enter a code with keypad see pages 30 38 If no is selected the two functions are functional e Date upd
33. equivalent continuous level on a duration of elementary integration of 1 second LAeq 1s OR e theCorZ weighted maximum peak pressure level according to the set weighting usually C LCpk e the recording principle after detection threshold suggests that sound source at the origin of this threshold exceeding can not be active anymore after the detection As a consequence DS300 performs systematically a rolling recording of duration Tgl 4 s preserved after threshold detection e the recording continues on the total duration of threshold and after threshold underflow it goes on the same Tgl duration previously used e this method allows an audio recording of the sound source at the origin of the threshold and makes easier its identification As it is ah help for recognition of sound sources at to optimize hardware resources the audio recording format o the SD card is defined as follows e accuracy 16 bits e sampling 12 kHz DS300 instrument having a wide measurement dynamic 100dB it is likely that the re listening with a computer do not allows an easy identification according to selected detection threshold To optimize the listening the audio recorder incorporates an adjustable digital gain from 24 to 48dB with a step of 6dB This adjustment has no incidence on the measurement and interferes on audio files only So according to measurement conditions selection criteria this adjustment allows to adjust the reduced dynamic of au
34. figuration Autonomie Instrument A propos F ERE z ood od In case of direct connection of the turned off DS300 to the PC USB connection is activated automatically PC screen is displayed instantaneously then the drawn cross on the DS300 screen disappears after a few seconds to confirm the USB connection After the transfer turn off the instrument directly or leave PC screen pressing 4 key The instrument is considered by the operating system as a removable disk Files transfer can be perform according to two ways e through LDS23 or LDS300 software see software user manual directly by activating the files manager of the operating system of the PC for example copy paste function send to to move files of the removable disk DS300 to the repertory the directory for the classification of the measurements 10 16 Delete files After the storage of the measurement datasets thanks to the transfer to a computer it is possible to delete the memory of the instrument Two ways exist e through the instrument e through LDS23 or LDS300 software Through the DS300 instrument gt Goto PC screen of the DS300 prt gt Press 1 key RAZ RAZ blinks gt Press again 1 key RAZ to confirm the deletion of all the data Progress bar is displayed gt Leave the screen with 4 key Raz A The totality of datasets inside the DS300 instrument will be deleted 36 11 Running information 11 1 Instantaneous o
35. for audio recording recorder dynamic is set in factory at 30dB This means that the recorder has 30dB in storage in peak pressure value beyond the selected detection threshold in LAeq or LCpk Example detection level LAeq 1s 105 dBA Sound sources higher to this threshold are recorded without distortion if and only if the maximum peak level does not exceed 105430 135dB peak In general sound sources have some high peak factors pretty much from 20 to 30 dB That s why it Audio dB is not possible to set the gain at a value lower than 24 dB However in situations where sound Ref LAeq sources are elaborated with peak factors very high it is possible to choose the digital gain beyond 30 Seuil IKE db between 36 42 and 48 dB Gain 24 dB During programming DS300 instrument displays according to selected criterion reference threshold T n i i Max 109 0 and digital gain the minimum and maximum peak pressure levels recordable properly min 59 0 ESSES Listening comfort It is recommended to keep the factory setting which is 30 dB Eventually after experiences on site it is possible to bring to 24dB In this case the re listening allows a correct identification for the 4 seconds before and after scheduled threshold exceeding 10 6 3 Use of audio recording gt From MENU screen select Progr mesure with 1 and 2 keys Rae E Cc gt Validate with 3 key Lecture DI 1s gt Press 1 key to move t
36. h a slightly cloth A particular attention must be paid to the microphone sensor which is the element the most sensitive of the metrological chain 12 2 Regular checking Like most measuring instruments it is strongly recommended to regularly control and calibrate DS300 instrument Return to the manufacturer each year will provide necessary metrological traceability 12 3 Load the battery Use a USB power adaptor which serves as a charger and ensure that the instrument is turned off It is also possible to connect the instrument to a USB connection of an operating computer The battery will load according to the available power at the USB output about 500 mA A5 hours duration is necessary to get a full charge The light situated at the top of the instrument informs as follows Battery loading light e Red light load in progress Green light completed charge Orange light the instrument stayed on during loading Turn off the instrument or there is a power supply problem return the device and its accessories to the manufacturer 13 Preparing for measurement To perform a good measurement several parameters are to be considered and mainly the methodology that is deduced from the general situation After having selected the appropriate method it is necessary to take a few measurement precautions to get correct and significant results Consider at least the following items 13 1 Preparing the instrument gt Chec
37. he cursor until Audio element Pc AUCH gt Select YES in reverse video pressing 2 or 3 key ce aa He DI item will show automatically DI 1 s Instrument Es A propos gt Press 1 key to select ERE e Reference used for detection LAeq or Lpk e Threshold beyond from which recording starts This threshold is adjustable with 2 and 3 keys by 1 dB step It concerns either LAeq or Lpk according to previous choice Audio dB e Gain of chain of recording adjustable from 24dB to 48dB by 6dB step According to pc these choices calculated minimum and maximum values of peak pressure levels Gain 24dB recordable properly are displayed Max 109 0 Please note Durations of pre and post recordings supervising the exceeding are not adjustable min 52 0 and fixed at 4 seconds gt Measurement in progress Different recordings are performed automatically without intervention and without affect metrological calculations Total recording time available being limited see page 44 be selective to select the detection threshold value in order to not use too quickly memory space and get repetitive and insignificant recordings 25 Audio files All recordings are linked to the corresponding metrological file and saved as wav audio format on the micro SD card During data transfer on a PC LDS300 software processes all the files and the re listening of files to help about sound sources recognition Memory space Available mem
38. he peak level of maximum sound pressure of each elementary integration LCpK measurement duration format given in DD HH MM SS V1 dB Vi dB V2 1006 1006 115 8 LAeq DI LAeq DI 90 6 90 6 95 8 Keam Remind of the used s auo d dynamic range 00100 00 00 40 for 40 120 dB LEA Lud NEI 60 for 60 4008 M ARIEI V1 single range of V2 possible ranges 40 140 dB 40 120 dB 60 140 dB results are displayed ion this screen each second After the launching results will be displayed at the rate of the duration of elementary integration from 1 s to 60 s 10 1 Settings before perform the measurement range selection The used dynamic range is according to measurement mode e V1 channel mode single dynamic range 40 140 dB peak 143 dB e V1 V2 channels mode possible selection between 2 dynamic ranges pressing 1 key 40 120 dB service sector or light industry BE 60 140 dB peak 143 dB industry The individual dosimeter is a specific instrument wear by a person exposed to sound pollution Usually the reading of results is made at the end of measurement DS300 instrument has a special feature it can be used just as a hand sound level meter de so partial results during measurement can be accessible as described below LCpk 128 7dB 10 2 Measurement in progress V1 channel LAeg Di 095 3dB LCeq Di 098 7dB gt From start screen press 3 key to scroll screens from E1 to E4 nios gt Press 4 key to back to general screen of meas
39. he simplified method explained by the INRS in its ED6035 document available on the INRS website 10 14 Reading V1 V2 channels mode and frequency analysis with filters by octave bands from 63 Hz to 8 kHz When required dataset number is displayed press 1 key From main screen press successively on 3 key to scroll E1 to E5 screens gt Press 1 key to go from V1 channel screen to V2 channel screen gt Press 4 key to back to general measurement screen E2 screen results LCpk max on T duration of measurement LAeq T LCeq on T duration of measurement e EA noise exposure on T duration of measurement LCpk 126 7 dB LAeg T 082 3 dB LCeq T 088 7 dB EAT 0 51Pa h Dose 50 00 07 30 00 LCpk 128 7 dB LAeg T 081 8 dB LCeg T 082 7 dB EAT 0 45Pa h Dose 45 00 07 30 00 e Noise dose referenced at 85 dB during 08h00 e Duration of measurement Press 1 key to go from V1 channel screen to V2 channel screen E3 frequency analysis from 63 Hz to 8 kHz screen with graphical display of LXeq 098 8dB LXeq DI To read values Press successively on 2 key The cursor moves linked to the weighting or the value of filter by octave band and the letter X of LXeg DI shown inside the pictogram LXeq DI level is displayed on the top of the screen LXeq 103 8dB 140 120 120 100 100 080 080 060 060 040 040 AC 63 250 dk 4k Press 1 key to go from V1 channel screen to V2 channel screen V1 v2 E
40. ironment in accordance to 2002 96 CE guidelines relating to WEEE EXPORT DEPARTMENT fa Boulevard de Beaubourg Emerainville BP 48 3 Q 71312 MARNE LA VALLEE CEDEX 2 Qualit Tel 33 1 60 06 69 25 Fax 33 1 60 06 69 29
41. just EVO CHMMDEIN SICUL 9 5 2 Measurement programing 3 eiecit eere tsi etie nice pe dee do p inet eed Re ERI e FU PER EE eee ees 9 SEMI EP 10 SUPCR OE Ip o adieu qti 10 5 5 Configuration cx eet ta eit a nte tact o UL DIE S PO Lc n E bir toes halts cal IH oso 10 5 6 Battery Ie oreet e ee tem e n Oe Ie gie iri i t tete Un n ste e atte getto 10 5 1 De std EH 10 SNP iS 10 6 Measurement modes che eie ie eerie tied ea COUT ado teu oan ere c rua e ede e Eee EUR ET ER deo ee 11 6 TCreneral SynopElc 5 8 epee ere nee ee E rer ee seep eee ee ne eee ae ae eee ee eee A eee ep 11 6 2 Determination of the daily noise CXPOSUTLE ceccccesscesscesseesseeeseceseeeseeceseceseeeseecnsecescecaecsseeeseeceeceseesseeceueceseeeneseeeesenaeeenaas 12 7 Calibrate the mstrument 33 n ILE ces DU sats HERO Lad ta EE Pesan ese tes eeu OV eget eve s R PER Ra ETC EU a TAS EaD 13 tal Free field COSMICI NT P criticas liga sus N A gu chdcesayecs A Sado GEE VUA CARUSO sivas Deda OR dad a VALOR S O UNS S AD VINDA PSOL ATO Sus al ad cio na d 13 7 2 Modification of the value of the reference source c is naen eee nne enne enne rene easiest 13 yet EEE 13 7 3 1 Calibration of V 1 channel ied ata ge IER ER GR ERE RT UNE Eve Ie eren e 14 7 3 2 Calibration of V2 channel enne enne enne nnne ener eter rena arae aa eare eren innen nnne nennen nnns 1
42. k the operating autonomy memory audio recording capacity and battery Erase the memory and load the battery if necessary gt Set the delayed or repetitive delayed start according to the selected method gt Set the measurement parameters by keypad or with the LDS300 software 13 1 1 Channel V1 measurement only Position imperatively the microphone with black sleeve and its extension on channel 1 Important the D MB microphone must be connected exclusively on V1 connection for a sound level meter use 40 13 1 2 Measurement with V1 and V2 channels gt Position imperatively the two microphones and their extension as follow microphone with black sleeve on V1 channel microphone with blue sleeve on V2 channel In case of inversion or incompatibility with the programming a warning screen is displayed preventing the measurement launching rectify connections or programming Important do not forget to calibrate the two channels according to the procedure described in the calibration chapter see page 13 13 1 3 Wearing the instrument According to the observed station and to the material conditions the instrument can be worn e onthe person belt use the protection cover supplied with the instrument jnthe upper pocket of the protection cloth scrubs clip the instrument in the pocket Do not hesitate to move away the microphone from clothes thanks to its flexible neck 13 1 4 Fixing the microphone The micr
43. le to use a calibrator or a pistonphone delivering a frequency of 250 Hz at a level of 124 dB without modification of free field correction ES E3 gt The cursor is on Ref gt Adjust the value dB by dB with and keys This value stays memorized until next change 7 3 Calibration gt Insert into the calibrator the adapter ring BC38 supplied with the DS300 instrument lt has to come to a stop down of the calibrator housing gt Insert the microphone until the microphone comes to a stop down of the ring This move has to be done slowly and smoothly so as not to damage the microphone Prefer to put vertically the sound level meter and the microphone Begin the procedure of calibration of the instrument as specified in the calibrator user manual Note during calibration avoid hard environmental conditions ambient noise shocks given involuntarily 7 3 4 Calibration of V1 channel Select Cal pressing 3 key from start screen gt Check that the reference value corresponds to the one of the used calibrator gt Turn on the calibrator and put it on the microphone of V1 channel Important put the cursor on V1 when using in mono channel The instrument automatically adjusts the gain of chain to get the coincidence of levels displayed in Ref 94 0 dB Ref and V1 El oy When the measurement is stabilized a pictogram OK appears to validate Press 3 key 94 0 At this moment the correction value of the gain an
44. libration function OK General note the correction can not exceed 2 dB for DS300 If the correction to be made exceeds 2 dB the coincidence of values in 1 and 2 is not obtained OK pictogram is not displayed You have to look for the reason of this difference wrong calibrator positioning defective battery damaged microphone 14 8 Classical sound level meter Before each measurement it is recommended to calibrate the instrument see page 13 Press 1 key from start screen gt Press another time 1 key to perform a fast measurement in classical sound level meter mr LCpk 115 7 dB D D DS300 E BEES max 1157 min 734 qr EXCEL DS300 instrument processes the sound pressure signal and displays at the same time the following information e the temporally weighted sound pressure level e maximum and minimum values of levels on the measurement duration e the maximum peak level of sound pressure on the measurement duration The used dynamic range allows a measurement from 40 to 140 dB without switching 8 1 Settings before perform the measurement gt Choose the time constant pressing 1 key several times For A weighting frequency the instrument proposes the measurement according two time constants fast F or slow S Possible choices are e LAF dynamic range 40 140 dB A weighting frequency F fast temporal weighting e LAS dynamic range 40 140 dB A weighting frequency S slow te
45. mory of big capacity giving the whole an almost unlimited measurement capacity With its graphic backlighted LCD screen DS300 is also a a classical sound level meter and an integrating averaging analyzer for a fast noise estimation at workstation During measurement if necessary it can advised people about levels through a two coloured light 1 2 Main features Noise dosimeter and classical sound level meter and integrating averaging analyzer with graphical backlighted LCD screen with e microphone with extension type electret of diameter 3 8 9 52 mm of little size allowing a reliable fixation 2 measurement channel right ear side and left ear side microphone and fixing kit for channel 2 as option e 3 dynamic ranges in running mode one measurement channel 40 140 dB range in running mode two measurement channels 40 120 dB or 60 140 dB ranges e Simultaneous measurement of Leg and LpK Leg with A and C weightings and by octave band filters from 63 Hz to 8 kHz LpK with C or Z weightings Management of overange of peak pressure levels 135 137 140 dB e Audio recording on thresholds of noise sources optional e Delayed and or repetitive measurement start Keyboard protection during measurement and against unwanted stops e Active or inactive LCD screen visual alarms e Calculation and results in accordance with NF EN 1809612 2009 standard e Storage capacity 99 event timer of more 24h each e Li lon batter
46. mporal weighting Note C or Z frequency weightings of sound pressure peak level must be selected in Measurement programming menu 8 2 Perform a measurement Measurement is immediate During measurement two actions are possible reset memorized levels hold measurement thanks to pause function To reset all the values gt Press 3 key Raz pictogram resetting affects e LAF or LAS maximum and minimum levels LCpk maximum peak pressure value e information about overload Pause function allows to stop the measurement in progress to avoid unwanted events or to perform a manual reportof results gt Press 2 key hold pictogram Press again 2 key to back to measurement gt Leave classical sound level meter function and back to home screen pressing 4 key 15 9 Analyzer integrating averaging sound level meter Before each measurement it is recommended to calibrate the instrument see page 13 Press 1 key from start screen gt Press 3 key to perform a fast measurement in analyzer integrating averaging sound level meter i D O LXeq 103 8dB AC es 250 dk ak mA KS os DS300 processes sound pressure signal and displays simultaneously the following results e Aand C weighted LXeq equivalent continuous levels and filtered by octave bands from 63 Hz to 8 kHz on an elementary duration of 0 5 s e Aand C weighted LXeq equivalent continuous levels and filtered by octave bands from 63 Hz
47. mum duration 01H00 Format 11 kHz 8 bits 16 bits Power supply Battery life Internal Li ion battery rechargeable Battery life 28 hours and according to configuration Operation From 10 C to 50 C from 650 hPa to 1080 hPa from 0 to 95 HR Storage From 0 to 50 C 14 3 Charger for battery Type universal main adapter e Output plug format USB e Input 100 240 VAC 50 60 Hz e Output 5V DC 1000 mA 5 VA max 14 4 Dimensions Weight 58 mm Erat E 117 mm 43 Cable extension for microphone 1 25 m 32 mm Weight with battery 200 grs 27 mm 14 5 Audio recording capacity The audio recording brings information to identify sources and correspondence with the recorded noise levels It is characterized by a sampling rate and an accuracy expressed in number of bit So a recording capacity is deduced Sampling Pre and post recording Accuracy Recording capacity HH MM SS 12 kHz 4s 16 bits 00 50 00 14 6 Battery life The battery life directly depends on the retained measurement mode and ambient conditions Reminder e V1 channel without frequency analysis with or without audio e V1 V2 channels without frequency analysis with or without audio e V1 channel with frequency analysis with or without audio e V1 V2 channels with frequency analysis with or without audio
48. nt nnne n nnne nnn 32 10 12 Readimg in V 1 V2 channels mode 5 uere Eee miae ie etre edes peede edente tot dne 33 10 13 Reading V1 channel mode and frequency analysis with filters by octave bands from 63 Hz to 8 kHz 34 10 14 Reading V1 V2 channels mode and frequency analysis with filters by octave bands from 63 Hz to 8 kHz 35 OTY Pies CHINE iA aa TONE IADE dead rude a R aa onda vb cevedevsGSedcvasbetladoveed NARRA NEGO A A edad TSE CS 36 10 16 Deletexhiles 5 tee err HUE CORRER A E E RR PE MRS Ee Fre CE ERN IR PR ER RU RE 36 TT Running information enirn tne ee tee rh e D T UI ER Re EE te el eer M BRE Re EE eee nao 37 11 1 Instantaneous overload percentage sse enne nennen enne neret e trn innere sere enne nene nnne erre e nnne nns 37 112 Power Supply sumen een E ee hseatu e Rte din enituit 37 11 3 Over range measurement ener ener anne caneca rea n teen nente nnne nine e ense e tree reser entre resin eene ER enn 37 11 4 Detection and counting of peak pressure levels 135 137 140 dB enne nnns 37 TIS r ueni eee eet ciet cenae eret oee eng ete dee cbe eu e sedet oe eee ep adn eee ye deve gp eee ee e eene eee sedet dades 38 11 6 IER 38 HET ECD loekiBg9 te ier m eet ON OE de ette ed ie doeet e e i D eei debeo qa 38 11 8 Stop locking waiting mode esses eene eene enhn ennne teniente nnne n reser innen restreinte eren e retirer nnn 39 12 Maintenance EE Ses oee
49. ol screen 250 EJ LA 5s EN lu LXeq 103 8dB monn LXeq 114 6dB EJ REALE Max LXeq 103 8dB 250 DE LXeq 114 6dB 250 ES im Leg 54 9dB LXeq 54 9dB oo E in EN IE oso A iul O dk dk rican During End of measurement press measurement press 3 key several times to 3 key several times to read the different read the different screens screens RoMiotto RoMiotto Instrumentos mio e de Medi o Ltda Instrumentos de Medi o Rua S o Leonardo 187 Freguesia do S o Paulo SP Cep 02803 000 Fone 11 3976 4003 Fone 11 3999 7737 17 www romiotto com br E mail info romiotto com br 9 3 Consult values Screens of T Max or min values are available only if a measurement is launched press 2 key Values reading is performed during measurement or at the end of the measurement Press 3 key to go to successively Lied 105 248 Pied 102 80H FRE iss 54 9dB Mi c ih I i I im E EDER ETE ox Em L L e In each screen press 1 key to scroll successively all LXeq 0 5s or LXeg T or LXeqMax or LXeqMin values Spectrum or graphical diplay of LXeq level is displayed This pictogram recalls the weighting or the value of filter by octave band gt res 103 8dB LXeq values The cursor moves according to the weighting or the value of filter by octave band
50. ophone is a sensitive element it must be positioned according to NF EN ISO 9612 may 2009 standard recommendation The microphone must be mounted at about 0 04 m above the shoulder and at 0 10 m of the canal entrance of the most exposed ear The cable must be slipped inside the cloth or firmly maintained with an adhesive tape in order to avoid any frictions that could disrupt measurement Le microphone can be fixed with two different ways e with the mechanical module This module is composed by an attachment clamp witgh circular base to maintain on the cloth or other accessory worn by the person helmet scrubs and a fork plug of 4 cm length to clip the microphone Recommendations pinch the cable through the cable guide It minimizes the movement of the cable around the microphone e With the magnetic module which contains an imitation skin plate in which is put a magnet and a fork plug of 4 cm length to clip the microphone integrating in its base a magnet The plate is put under the cloth at the level of the shoulder or any other part of the cloth The fork plug becomes fixed by magnetic attraction straight of the plate over the cloth A This is a magnetic fixing plate do not use it on people with pacemaker or equivalent 41 13 1 5 Using the windscreen The windscreen is necessary to minimize the air current effects It
51. ory on micro SD card is divided into 2 areas 1 one contains the metrological files and the 2 one contains audio files for re listening Before starting a new measurement it is advisable to check the remaining measurement capacity expressed in number of event timers and battery capacity Contr R tro MM For that from MENU screen des eee REE gt Select with 1 or 2 key Autonomy item sado Batt 50 gt Validate with 3 key Configuration Dur e Check number of event timers and battery capacity Autonomie 44H00 Ex 96 event timers and 14H00 Fist ES ERE In case of insufficiency all data in the micro SD card must be deleted e with keypad see page 36 e with LDS23 or LDS300 software WARNING Tell the person wearing the instrument that Audio recording function is activated Only the person in charge of the measurement has the responsibility to process recordings 10 6 4 Measurement in progress Data reading Audio function generates an additional screen control which completes the screen chain during measurement or at the end for reading of results E5 during measurement E6 in reading mode after measurement counting Audio Audio screens audio recordings with remind of start parameters see page 25 Ref LAeq Ref LAeg Seuil 95 5 dBA Seuil 95 5 dBA Please not audio recording is performed on the reference channel V1 only Nbr Nbr 10 Ex 1 Screens chain during measurement V1 ch
52. peak level 135 137 140 dB see page 37 V1 05 A 0 140 0 137 2 135 Dd 15 05 2009 Hd 08 15 Df 15 05 2009 Hf 18 30 DI 1s V 1 All C Audio non LCpk 123 9 dB LAeg T 081 8 dB LCeq T 082 7 dB EAT 0 45Pa h Dose 48 00 07 30 00 V1 V2 0 0 A 0 0 0 140 0 0 137 0 2 135 0 20 E4 remind screen of measurement settings for V1 and V2 channels 10 4 Measurement in progress V1 channel and frequency analysis with filters by octave bands from 63 Hz to 8 kHz From general screen of measurement press 3 key to scroll screens from E1 to E5 gt Press 4 key to back to general screen of measurement E2 Screen of frequency analysis from 63 Hz to 8 kHz with graphical representation of LXeg DI To read values gt Press 2 key The cursor moves in relation with weighting or value of the filter by octave band and letter X of LXeq DI indicated inside the pictogram LXeq DI level is displayed on the top E3 results screen e maximum LCpk on T measurement duration e LAeq T LCeq on T measurement duration EA sound exposure on measurement duration Sound dose given in referenced at 85 dB during 8H00 e Measurement duration E4 detection screen of overloads and values of peak level 135 137 140 dB see page 37 E5 remind screen of measurement settings for V1 channel RoMip RoMiotto Instrumentos de Medi o Ltda Rua S o Leonardo 187 Freguesia do S o Paulo SP Cep 02803 000 Fone
53. rticles and completed by the decree of the 19 July 2006 2 3 Measurement It relies mainly on R4433 1 R4433 2 and R4433 7 articles and completed by the decree of the 19 July 2006 Measurement can be made according prescriptions of the NF EN 1809612 2009 standard The standard recommends three measurements ways e by task e by work or function e by full day This standard also specifies the measurement processing including the estimate of measurement uncertainty 2 4 Noise exposure Exposure points This simplified way is especially adapted for workers whose position is constituted by several identifiable tasks The difficulty to totalize levels dB does not allow a fast approach of the daily noise exposure using this way brings a very significant operating flexibility It takes into account the noise exposure expressed in Pa h of the several tasks that can be then add to get a global noise exposure during the work day From this the determination Lex 8h daily exposure becomes easier by search in a dedicated corresponding table This table is available in the ED6035 document edited by the INRS DS300 calculates the noise exposure and directly displays on its screen the number of exposure points regarding the task performed by the worker to his position 3 Vocabulary LAF A weighted sound level pressure fast time weighting Fast range 40 140 LAS A weighted sound level pressure fast time weighting Slow range 4
54. s exceeded 135 dB included 4 for 137 dB and 2 for 140 dB 37 11 5 Alarms Analysis criteria of the exposure level are based on the comparisons of obtained results with those defining the lower exposure value the higher exposure value and the the value of exposure limit These values are regulatory requirements The instrument considers these values mainly for e the calculation of results to display e warn during measurement the person wearing the instrument or the technician in charge of the measurement following In this last case a two couloured light in the higher part of the housing can be activated see page 9 for each measurement channel V1 or V1 and V2 Orange color in case of at least one of the following values exceeding Lpk gt 135 dBCorZ e LAeq DI or LAeq T gt 80 dBA e Dose gt 31 62 Red color in case of at least one of the following values exceeding e Lpk gt 137dBCorZ e LAeq DI or LAeq T gt 85 dBA e Dose gt 100 11 6 Auto Off This function allows to save battery in case of unwanted turning on or forgetting to stop the instrument It is activated after 15 minutes if no measurement or calibration launching is performed It is active by default but can be deactivated see page 10 11 7 LCD locking The locking of the instrument display during measurement can be useful according to the situation In active locking mode the LCD screen turns off 60 seconds after the measurement launching in stor
55. s 40 JAM P 40 12 2 Regular checkitig ectetuer 40 12 3 Load the DAttery 2 tes oio rs altos e tetto taret tue demi te Si A EE A Lu nt Mr O ire d 40 13 Preparine for ameasurement 5 5 eite epit reir tr te rei te c esee iba RE QE 40 13 1 Preparing the instr ents eR EEUU HUE NIC Re ER ECT IEEE HERE GE re ve eet eee etae ud 40 13 1 1 Channel V1 measurement only sees ennt enne tn enr enn entere nennen inen enn enne nnns 40 13 1 2 Measurement with V1 and V2 channels ssssssssssesseeeeeeen eene nnne innen nnne nnne rne tenente enne 41 13 1 3 Weanng the instruments 3 aet sciet rid eon ente esearch eal slatted aa a 41 13 14 Fixing the microphone e te e RE ERR SIRE Ert ree epe p mde dicunt 41 13 15 Using the windscreena i upto DURO BE Ede e SUS anda aa deh SE Me 42 14 Technical features t ERR RR UO ETRURIAE QE EON OM es an es 43 I MEICHRE REM 43 I4 2 MettfOlOBy ree dta enit oii btt e pute dst d bt e 43 FA Chargertor Dattety diete anh deatur umet ena quies UD e 43 14 4 Dimensi ns W lght ete ee tors uniti du ROB eed eae s 43 14 5 Audio recording capacity net petalis i e be a e Wn ii tt essei 44 14 6 Battery lite ty citet pa ratae e EHE nS 44 14 7 Delivery and pac kading ononon a ertet retento ete Spa GA Tan eg eie ep ec pee tha ELA R ASA eoe ee en donee ese ceo ted 44 14 8 Optional and accessories eene tete I ERR II i SC
56. t and SO On aci Number of remaining programmed 35 4 measurement Attente d oui D part Date and time of beginning of the 16 03 2011 next measurement 08 30 X E Important it is possible at any time to stop sleep or waiting mode or and launch the measurement In waiting mode just press 2 key Measurement starts immediately In sleep mode between two measurements gt Press On Off key 6 key Waiting screen is displayed gt Press 2 key to start measurement In all cases only measurement launching is modified end programming and daily repetitive programming are the same as the ones initially programmed 10 7 6 Delayed mode leave wait moment and stop the programming It is possible at any time to stop the sleep or waiting mode and stop the measurement in progress In sleep mode before measurement gt Press On Off key 6 key Waiting screen is displayed gt Press 4 key escape 5 ur irum Attente o V XE D part N autorisation N autorisation 16 03 2011 N A 08 30 Sem 0000 0000 X STOP STOP NI EXER E ss FE E Mode Lock Stop activated Mode Lock Stop non activated 29 To confirm the exit of Waiting mode the authorization number must be filled in if Ver Stop has been activated gt Move the cursor in video inverted to 0000 number present in middle of the screen gt Choose successively numbers with 2 and 3 keys gt Move the cursor to STOP arrow after the least number gt
57. tation of the temporal evolution of the measurement This duration goes from 1 s to 60 S by step of 1 s Usually a duration of 1 s is selected AIC Two possibilities are suggested the simultaneous measurement of Leg with A and C weightings select A C element the simultaneous measurement of Leq A and C weightings and filters by octave band from 63 Hz to 8 kHz select A C 63 8 kHz element Alarm itis about the illumination of the lights situated on the top of the housing visible by the holder of the dosimeter noise dosimeter or the technician in charge of the measurement monitoring Choose yes or no to make them visible or not e Audio select yes to perform during the measurement a recording on threshold exceeded In Audio dB this case press 1 key to select on the screen Ref LAeq the reference used LAeq or Lpk Seuil EU threshold beyond which the recording begins Set this threshold with 2 and 3 Gain 24 dB keys with a step of 1 dB Max 109 0 the digital bonus of the recorder for optimization of the re listening Adjustable with 2 min 59 0 and 3 keys among values 24 30 36 40 42 48 dB see page 24 gg 5 3 Reading Dd 15 05 2009 This screen allows to go to the main results of the different event timers stored Hd 08 15 in the memory of the instrument a Po dd gt Scroll with 2 or 3 keys the number of event timers to get the number of pi 1s the required event timers V 1 2 The scre
58. to 8 kHz on a T elementary duration e Maximum and minimum values of equivalent continuous levels of duration of 0 5 since the beginning of measurement Maximum peak level of LCpK sound pressure on T measurement duration 9 1 Setting before performing the measurement The used dynamic range allows a measurement from 40 to 140 dB without switching C or Z frequency weighting of sound pressure peak level must be selected in Measurement programming menu 9 2 Perform a measurement The screen displays continuously as spectral representation LXeq the equivalent continuous levels 0 5 s A and C weighted and filtered by octave bands from 63 Hz to 8 kHz Launch measurement on a T free duration according to the Start Stop principle Press2key x pictogram to start the measurement on a T duration gt Press again 2 key Zfloictogram to stop measurement gt Measurement values are reset with a new press on 2 key ff pictogram gt Press 2 key to launch a new measurement N pictogram During or at the end of the measurement Consult the different screens and LXeg 0 5 s LXeq T values and minimum and maximum values maximum and minimum spectrum pressing 3 key gt Leave the analyzer integrating averaging sound level meter function and back to home screen pressing 4 key 9 2 1 Explicative synoptic of the START STOP mode Start Stop Reset LXeq 103 8dB LXeq 103 8dB LXeq 103 8dB 250 25 mo Contr
59. ure with international standards about the constitutive elements of the instrument and the date of the last oe check Configuration Measurement settings are automatically saved and reappointed in the next measurement Autonomie Instrument 5 1 Adjust the contrast backlight A propos d To optimize the reading of the display gt Adjust the contrast pressing 1 and 2 function keys DE gt Activate backlight of the LCD screen for an easy reading in a dark place No indicates without backlight and yes its activation In this last case battery life is reduced 1 3 5 2 by about 5 dBA Additional information O Q a brief press on Start Stop key allows to activate backlight at any time Same thing to deactivate it EE ESTE in dosimeter integrator backlight will deactivate automatically after a few moments to protect battery life 5 2 Measurement programming Measurement programming has to be performed before launching measurement Adjust settings according conditions and adopted measurement strategy gt Press 1 key to move the cursor then modify the proposition in inverted video by pressing 2 or 3 keys V 1 Lpk C e NV concerns the number of measurement channel V1 or V1 and V2 DI 1s LpK choose C or Z for the weighting of the peak pressure level weighting Usually C A in Pd weighting is preferred DATI Gal Di choose the duration of elementary integration of the equivalent continuous level for a good represen
60. urement LAeq T 091 3dB LCeq T 096 5dB 00 00 00 46 ERR EI E2 results screen e maximum LCpk on T measurement duration LCpk 126 7 dB e LAeq T LCeq on T measurement duration E LAegq T 082 3 dB EA sound exposure on measurement duration LCeq T 088 7 dB Sound dose given in referenced at 85 dB during 8H00 ad e Duration of the measurement in progress 00 07 30 00 E3 detection screen of overloads and values of peak level 135 137 140 dB see page 37 E4 remind screen of measurement settings for V1 channel 10 3 Measurement in progress V1 V2 channels gt From start screen press 3 key to scroll screens from E1 to E4 gt Press 1 key to go from V1 screen to V2 screen gt Press 4 key to back to general screen of measurement LCpk 128 7dB LCpk 128 7dB LAeq Di LCeqpDi LAegq T LCeq T 00 00 095 3dB 098 7dB 091 3dB 096 5dB 00 46 key LAeg Di LCeg Di LAeq T LCeq T 085 3dB 088 7dB 086 3dB 089 7dB 00 00 00 46 ER EI E2 Results screen e maximum LCpk on T measurement duration e LAeq T LCeq on T measurement duration e EA sound exposure on measurement duration Sound dose given in referenced at 85 dB during 8H00 e Duration of the measurement in progress EACE LCpk 126 7 dB LAeq T 082 3 dB LCeq T 088 7 dB EAT 0 51Pa h Dose 54 00 07 30 00 E3 detection screen of both V1 and V2 channels overloads and values of
61. verload percentage e Instantaneous overload in condition of overload of input stages a pictogram appears It is displayed fleetingly during measurement and remains displayed during the reading of results e Percentage this information can be necessary for a measurement in the medium and long term when the overload indicator is displayed Its presence does not provide information about the occurrence of overload but the percentage calculation provides a level of alert on measured and displayed levels by the instrument 11 2 Power supply This pictogram provides information on the remaining power In case of low battery less than one de bar on the pictogram the instrument stops the measurement and turns off saving the current results 11 3 Over range measurement In measurement conditions out of the dynamic range measured values are not displayed and are et are replaced by signs e ifthe value is higher than the top of the range 40 120 the top of the range stays opened 60 140 e if the value is lower than the down of the range 40 for the range 40 120 or 40 140 and 60 for the range 60 140 11 4 Detection and counting of peak pressure levels 135 137 140 dB Detection principle the detection of peak pressure levels is made at the frequency of instrument sampling about 23 kHz So theoretically it is possible to detect several thousand of values maximum 23 000 values per seconds During measurement the instrument
62. y for a battery life better than 28 hours according measurement programming All of the setting of DS300 is directly performed with the keyboard or with the LDS300 software DS300 is supplied with the LDS23 software which allows to transfer easily data to a computer to visualize measurement data globally or more detailed e process areas of non measurement break beginning and end of measurement Customize report for saving and printing 2 General points 2 1 Regulatory The 2003 10 CE European Guideline makes mention of instructions regarding the exposure of workers to risks The regulatory requirements define a control context of noise pollution in work place From these controls the obtained results are compared with defined regulatory action thresholds These thresholds are based on two parameters the daily noise exposure level Lex 8 hours in dBA e the LCpeak peak pressure level C weighted When thresholds are exceeded actions have to be led The regulatory specifies two action thresholds causing preventive actions e the lower exposure value Lex 8 h gt 80 dBA and LCpk gt 135 dB e the upper exposure value Lex 8h gt 85 dBA and LCpk gt 137 dB These two thresholds are completed by a third one called TLV threshold limit value which should not be exceeded in any case with or without protection PICB Lex 8 h gt 87 dBA and LCpk gt 140 dB 2 2 Labour law It relies mainly on R4433 1 R4433 2 and R4433 7 a

Noise dosimeter - Logismarket, o Diretório Industrial

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Noise dosimeter - Logismarket, o Diret&oacute;rio Industrial

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Noise dosimeter - Logismarket, o Diretório Industrial