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Summary of Contents for Kimo DS300
- Page 1 DS300 Noise dosimeter...
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Page 2: Table Of Contents
Table of contents 1 Introduction..................................4 1.1 Presentation................................4 1.2 Main features................................4 2 General points..................................5 2.1 Regulatory.................................. 5 2.2 Labour law................................. 5 2.3 Measurement................................5 2.4 Noise exposure – Exposure points..........................5 3 Vocabulary..................................5 4 Operating principle................................7 4.1 Keyboard.................................. - Page 3 10.12 Reading in V1+V2 channels mode........................35 10.13 Reading: V1 channel mode and frequency analysis with filters by octave bands from 63 Hz to 8 kHz....36 10.14 Reading: V1+V2 channels mode and frequency analysis with filters by octave bands from 63 Hz to 8 kHz..37 10.15 Files transfer...............................
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Page 4: Introduction
• Storage capacity: 99 event timer of more 24h each • Li-Ion battery 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. -
Page 5: General Points
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. - Page 6 reset of calculations of maximum or minimum values memorized – erasing of measurement session or of the whole RST: 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...
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Page 7: Operating Principle
Operating princi ple Keyboard 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 also allows to leave the current screen. -
Page 8: Set The Instrument
Set the instrument The setting of the instrument contains all the useful and necessary operations for a good processing of Contr./Rétro Prog. mesure measurement, reading of results or data transfer. It also gives information about the correspondence Lecture with international standards, about the constitutive elements of the instrument and the date of the last check. -
Page 9: Reading
Reading Dd : 15/05/2009 Dd : 15/05/2009 Hd : 08:15 Hd : 08:15 This screen allows to go to the main results of the different event timers stored Df : 15/05/2009 Df : 15/05/2009 in the memory of the instrument. Hf : 18:30 Hf : 18:30 ➢... -
Page 10: Measurement Modes
Measurement modes DS300 has two operating modes with calibration function in addition: Classical sound level meter mode and integrating-averaging analyzer without storage for a fast measurement. • Integrating-averaging noise dosimeter, analyzer with storage for a study of daily exposure. •... -
Page 11: Determination Of The Daily Noise Exposure
Determination of the daily noise exposure Available possibilities (see options list page 43) 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. - Page 12 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 •...
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Page 13: Calibrate The Instrument
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. -
Page 14: Calibration Of V2 Channel
➢ Press 4 key to leave calibration function. 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... -
Page 15: Classical Sound Level Meter
DS300 115.7 73.4 min. Cal. DS300 instrument processes the sound pressure signal and displays at the same time the following information: the temporally weighted sound pressure level • maximum and minimum values of levels on the measurement duration • the maximum peak level of sound pressure on the measurement duration •... -
Page 16: Analyzer Integrating-Averaging Sound Level Meter
DS300 0,5s Cal. DS300 processes sound pressure signal and displays simultaneously the following results: A and 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. -
Page 17: Explicative Synoptic Of The Start/Stop Mode
9.2.1 Explicative synoptic of the START/STOP mode Reset Stop Start LXeq :103.8dB LXeq :103.8dB LXeq :103.8dB 0,5s 0,5s 0.5s Control screen LXeq :103.8dB LXeq :103.8dB LXeq :114.6dB LXeq :114.6dB LXeq : 54.9dB LXeq : 54.9dB End of During measurement : press measurement : press 3 key several times to 3 key several times to... -
Page 18: Consult Values
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: LXeq :103.8dB LXeq :103.8dB LXeq :114.6dB... -
Page 19: Analyzer Avereger Integrator Sound Level Meter
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. -
Page 20: Measurement In Progress: V1 Channel
10.2 Measurement in progress: V1 channel LCpk : 128.7dB ➢ From start screen, press 3 key to scroll screens from E1 to E4. LAeq,Di : 095.3dB ➢ Press 4 key to back to general screen of measurement. LCeq,Di : 098.7dB LAeq,T : 091.3dB LCeq,T : 096.5dB 00 / 00 : 00 : 46... - Page 21 E2: Results screen: maximum LCpk on T measurement duration • LCpk : 126.7 dB LCpk : 123.9 dB LAeq,T, LCeq on T measurement duration • LAeq,T: 082.3 dB LAeq,T: 081.8 dB EA,T sound exposure on measurement duration LCeq,T: 088.7 dB LCeq,T: 082.7 dB •...
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Page 22: Measurement In Progress: V1+V2 Channels And Frequency Analysis With Filters By Octave Bands From 63 Hz To 8 Khz
E4: detection screen of overloads and values of peak level 135-137-140 dB (see page 36). E5: remind screen of measurement settings for V1 channel. Dd : 15/05/2009 Hd : 08:15 Df : 15/05/2009 Hf : 18:30 DI : 1s V : 1 A // C // 63-8kHz Audio : non 10.5 Measurement in progress: V1+V2 channels and frequency analysis with... -
Page 23: Measurement In Progress: Audio Recording On Threshold
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: the A-weighted equivalent continuous level on a duration of elementary integration of 1 second: LAeq,1s •... -
Page 24: Temporal Synoptic
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 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. -
Page 25: Use Of Audio Recording
85.0 db between 36, 42 and 48 dB. - Gain : 24 dB During programming, DS300 instrument displays, according to selected criterion (reference threshold - Max : 109.0 and digital gain), the minimum and maximum peak pressure levels recordable properly. -
Page 26: Measurement In Progress - Data Reading
Memory space: Available memory 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. -
Page 27: Measurement Launching
00 / 07 : 30 : 00 Please note: 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 • Delayed mode: programmable launching and stop •... -
Page 28: Repetitive Delayed Mode
The last two lines specifies: Prog. mesure ➢ that memory capacity is sufficient: OK Dd : 01/07/2009 ➢ that battery capacity allows the measurement: OK. Hd : 08:35 Df : 01/07/2009 Hf : 18:30 In case of incompatibility, KO is displayed for OK. In this case: Repet : 01 ➢... -
Page 29: Free Delayed Mode
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. -
Page 30: Stop The Measurement
➢ Move the cursor to STOP arrow after the least number. ➢ Press 1 key to validate STOP (directly if Ver.Stop function is inactivated). N° autorisation N° autorisation N° autorisation DS300 : 0 0 8 2 : 0 0 8 0 : 0 0 0 0 STOP... -
Page 31: Data Processing
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: ➢ Press once 3 key (« Sto. »). A banner visualizes the storage phase. Raz ? Reject measurements and do not store them: ➢... -
Page 32: Reading In V1 Channel Mode
➢ Press 4 key to back to dataset selection screen. LCpk : 126.7 dB 10.11 Reading in V1 channel mode LAeq,T: 082.3 dB LCeq,T: 088.7 dB ➢ When required dataset number is displayed, press 1 key. EA,T : 0.51Pa ➢ From main screen, press successively on 3 key to scroll E1 to E4 screens. Dose : 54 % ➢... -
Page 33: Reading: V1 Channel Mode And Frequency Analysis With Filters By Octave Bands From 63 Hz To 8 Khz
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 : 128.7 dB LCpk : 126.7 dB duration of measurement. Lex,d: 81.5 dB Lex,d: 82.0 dB This duration T must be representative of the effective duration of the... -
Page 34: Reading: V1+V2 Channels Mode And Frequency Analysis With Filters By Octave Bands From 63 Hz To 8 Khz
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. 10.14 Reading: V1+V2 channels mode and frequency analysis with filters by octave bands from 63 Hz to 8 kHz ➢... -
Page 35: Files Transfer
A propos... 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. -
Page 36: Running Information
Running information 11.1 Instantaneous overload – percentage 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. Percentage: this information can be necessary for a measurement in the medium and long term when •... -
Page 37: Alarms
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 value of exposure limit. These values are regulatory requirements. The instrument considers these values, mainly for: the calculation of results to display •... - Page 38 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.
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Page 39: Maintenance
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 and ensure that the instrument is turned off. -
Page 40: Measurement With V1 And V2 Channels
13.1.2 Measurement with V1 and V2 channels ➢ Position imperatively the two microphones and their extension as follows: - 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. -
Page 41: Using The Windscreen
13.1.5 Using the windscreen The windscreen is necessary to minimize the air-current effects. It comes on 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 •... -
Page 42: Technical Features
Technical features 14.1 Standards The instrument meets the following standards: NF EN 61252 (2002) / IEC CEI 61252 (2002) / IEC CEI 61672 (2003) / IEC CEI 61260 – 1995 / A1-2001 • NF EN 61000-6-1 / NF EN 61000-6-2 / NF EN 61000-6-3 / NF EN 61000-6-4 (2001) •... -
Page 43: Audio Recording Capacity
A//C//LpK 1/1 oct Audio Battery life / HH Reference temperature: 20 °C 14.7 Delivery and packaging DS300 instrument with microphone and 1.25 m extension • Carrying case with protective foam • Adapter ring for acoustic calibrator • Fixing kit for microphone •... - Page 44 Once returned to KIMO, required waste collection will be assured in the respect of the environment in accordance to 2002/96/CE guidelines relating to WEEE.
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