Kimo DS200 User manual

DS200
Noise dosimeter

Table of contents
1. Introduction..........................................................................................................................................6
2. Generality............................................................................................................................................7
2.1. Regulation....................................................................................................................................7
2.2. Labour law....................................................................................................................................7
2.3. Measurement...............................................................................................................................7
2.4. Noise e posure – E posure points..............................................................................................7
3. Vocabulary...........................................................................................................................................8
4. Operation principle..............................................................................................................................9
4.1. Keypad presentation....................................................................................................................9
4.2. Screens presentation...................................................................................................................9
5. Settings.............................................................................................................................................10
5.1. Brightness / backlight.................................................................................................................10
5.2. Measurement programming.......................................................................................................10
5.3. Reading......................................................................................................................................11
5.4. PC...............................................................................................................................................11
5.5. Configuration..............................................................................................................................11
5.6. Autonomy...................................................................................................................................11
5.7. Instrument..................................................................................................................................11
5.8. About..........................................................................................................................................11
6. Calibrate the instrument....................................................................................................................12
6.1. Perform the calibration...............................................................................................................12
6.2. Modify the reference value........................................................................................................12
7. Conventional sound level meter........................................................................................................13
7.1. Set the instrument before the measurement.............................................................................13
7.2. Perform a measurement............................................................................................................13
8. Noise dosimeter-integrator-averager................................................................................................14
8.1. Measurement in progress: audio recording on threshold..........................................................14
8.1.1. Temporal synoptic...............................................................................................................15
8.1.2. Synoptic of the management of the recording dynamic.....................................................16
8.1.3. Use of audio recording.......................................................................................................16
8.2. Launch the measurement..........................................................................................................18
8.2.1. Immediate mode.................................................................................................................18
8.2.2. Delayed mode.....................................................................................................................18
8.2.3. Repetitive delayed mode....................................................................................................18
8.2.4. Delayed – Measurement wait.............................................................................................19
8.3. During measurement.................................................................................................................19
8.4. Stop the measurement and the instrument...............................................................................20
8.5. Data processing.........................................................................................................................20
8.5.1. Accept data and store them................................................................................................20
8.5.2. Reject measurements and erase them..............................................................................21
8.6. Data reading..............................................................................................................................21
8.7. Transfer files..............................................................................................................................22
8.8. Delete files.................................................................................................................................22
9. Operating informations......................................................................................................................23
9.1. Instantaneous overloads – Percentage.....................................................................................23
9.2. Power supply.............................................................................................................................23
9.3. Over range measurement..........................................................................................................23
9.4. Detection and counting of peak pressure levels 135-137 140 dB.............................................23
9.5. Alarms........................................................................................................................................23
10. Maintenance....................................................................................................................................25
10.1. Care.........................................................................................................................................25
10.2. Regular checking.....................................................................................................................25
10.3. Load the battery.......................................................................................................................25
11. Preparing for measurement.............................................................................................................26

11.1. Preparing the instrument..........................................................................................................26
11.2. Wearing the instrument............................................................................................................26
11.3. Fi ing the microphone..............................................................................................................26
11.4. Using the windscreen...............................................................................................................27
12. Technical features...........................................................................................................................28
12.1. Standards.................................................................................................................................28
12.2. Metrology.................................................................................................................................28
12.3. Charger for battery...................................................................................................................28
12.4. Dimensions..............................................................................................................................28
12.5. Audio recording capacity..........................................................................................................29
12.6. Battery life................................................................................................................................29
13. Delivery and packaging...................................................................................................................30
13.1. Optional and accessories........................................................................................................30

1. Introduction
The DS200 noise dosimeter is measuring instrument allowing measurement of sound exposure at workstation.
In accordance with international standards, DS200 calculates values usuall used for comparison with regulations on
exposure value.
With its memor , DS 200 instrument stores measurement dataset. Then the are transferred on a computer and
processed through LDS23 software supplied with the instrument.
The optional LDS300 software will allow a more detailed anal sis in accordance with EN ISO9612 : 2009 standard.
In addition, this noise dosimeter contains a conventional sound level meter function for a first estimation of the noise
environment of workplace
DS200 comes in a small case with ergonomic design. It can be easil put on a belt or in a pocket of people at workstation.
The microphone, at the end of the extension, is attached thanks to the kit speciall developed to minimize the disruptions
caused b impact or clothes frictions.
Measurements are stored in a MicroSD memor of large capacit giving to the whole a measurement capacit almost
unlimited.
With its backlighted LCD screen, DS200 is also a conventional and integrating-averaging sound level meter for a a quick
estimate of the noise in the workplace.
In measurement mode, it can inform person about the levels through a two coloured light.
Main features :
Noise dosimeter and conventional sound level meter with backlighted LCD graphical displa .
•Extension electret microphone of diameter 3/8'' (9.52 mm), small size allowing a reliable fixing.
•2 d namic ranges : 40-120 / 60-140 dB
•A and C frequenc -weighted simultaneous measurement for Leq and C or Z for LpK
•Management of peak pressure levels excesses 135-137-140dB
•Calculation and results compl ing with EN ISO 9612 : 2009 standard
•Measurement programming for deferred and/or repetitive starts
•Ke board protection during measurement and against unwanted stops
•Visual alarms
•Storage capacit on microSD : 99 sessions of more 24H00 each
•Li-Ion batter for a batter life more than to 30 hours
DS200 is supplied with LDS23 software which can ver easil transfer data to computer for :
•Visualize global or more detailed measurement data
•Process unmeasurement areas (pause - start/end of measurement...)
•Customize a report for saving and printing
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2. Generality
2.1. Regulation
The prescriptions regarding the exposure of workers to the risks are mentioned in the 2003/10/EC European Directive.
From these controls, the obtained results are compared to defined regulator action thresholds.
These thresholds are based on two parameters :
•the dail noise exposure level (Lex, 8h in dBA)
•the C frequenc -weighted LCpeak peak pressure level
In case of threshold excesses, actions have to be done. The regulation specifies two action thresholds that lead to
preventive actions :
•lower exposure value – Lex;8h>80 dBa and LCpk>135 dBC
•upper exposure value – Lex,8h>85 dBA and LCpk>137 dBC
These two thresholds are complemented b a third one called Exposure Limit Value, which should not be exceeded under
an circumstances :
•Lex,8h> 87 dBA and LCpk > 140 dBC
2.2. Labour law
It is mainl based on Articles R4433-1, R4433-2 and R4433-7 and complemented b the Decree of Jul 19, 2006.
2.3. Measurement
It is mainl based on Articles R4433-1, R4433-2 and R4433-7 and complemented b the Decree of Jul 19, 2006.
The measurement must be done in compliance with prescription of the EN ISO9612:2009 standard.
Principle :
the standard recommends three methods of measurement :
•b task
•b profession or function
•b full da
This standard also adds the measurement processing including the estimation of measurement uncertaint .
2.4. Noise exposure – Exposure points
This simplified method is well adapted for workers whose workstation is constituted b several identifiable tasks. The
difficult of “summons” dB levels does not allow a fast approach of the dail nose exposure level, using this method
provides a ver significant operational flexibilit .
It takes into account nose exposure expressed in Pa2h of various tasks that can be added to get an dail global nose
exposure. From that, determination of Lex,8h dail exposure becomes easier with a research in a dedicated corresponding
table. This table is available in the ED6035 document published b the INRS.
DS200 dosimeter calculates noise exposure and displa s on its screen the number of exposure points of the task
performed b the worker on his workstation.
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3. Vocabulary
LAF40 : A-weighted acoustic pressure level, Fast time constant – range 40-120
LAS40 : A-weighted acoustic pressure level, Slow time constant – range 40-120
LAF60 : A-weighted acoustic pressure level, Fast time constant – range 60-140
LAS60 : A-weighted acoustic pressure level, Slow time constant – range 60-140
LCpK : C-weighted peak pressure level referring to 20µPa
LZpK : Z(Lin)-weighted peak pressure level referring to 20µPa
Raz : resetting of maximum or minimum values calculations memorized of measured values
Sto : data saving and storage on MicroSD
DI : Elementar integration time, programmable from 1s to 60s for calculation of the equivalent continuous stored into the
memor
LAeq DI : A-weighted equivalent continuous level on the integration time DI
LCeq DI : C-weighted equivalent continuous level on the integration time DI
LAeq T : A-weighted equivalent continuous level on the whole measurement duration T
LCeq T : C-weighted equivalent continuous level on the whole measurement duration T
Lex d : A-weighted dail exposure level
EA T : nose exposure on the measurement duration T, expressed in Pa²h
EA d : nose exposure on the normalized duration 8 hours, expressed in Pa²h
Dose : dose of noise expressed in % - Reference : 85 dBA for 8 hours
Lc : reference level for the calculation of the dose : 85 dB
Tc : reference duration for the calculation of Lex,d and dose : 8 hours
P.exp : exposure points – 1 exposure point = 0.01 Pa²h
L135-L137-L140 : s mbols for the detection of peak pressure levels of 135-137-104 dB
SXX : order number of the measurement sessions. Limited to 99.
EY : order number of screens from 1 to 4.
Dd : start date of the measurement. Form : 00/00/00
Hd : start hour of the measurement. Form : 00:00
Df : End date of the measurement. Form : 00/00/00
Hf : end hour of the measurement. Form : 00:00
V : measurement channel – 1 or 2 (optional)
A//C : simultaneous measurement according 2 frequenc -weightings : A and C
00/00:00:00 : measurement duration form in da /hours:minutes:seconds
00:00 : time form in hours:minute
00/00/0000 : date form – DD/MM/YYYY
Alarm : two coloured visual alarm fir detection
Ref : reference level for calibration
Cr.CI : correction term in free field in calibration mode
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4. Operation principle
4.1. Keypad presentation
When starting the instrument, the screen specifies 3 operating modes. These modes are available from 1, 2 and 3 ke s. 5
ke allows to go to setting reading or data transfer screens. To back to start screen, press 4 ke .
During measurement, 4 ke also allows to quit operating screen.
4.2. creens presentation
•3 screens represent the different measurement and calibration modes accessible with 1-2-3 ke s :
•Press 5 ke to show the screen of choice of different settings
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Function ke s
Directl associated to texts shown above on LCD screen, the allow measurement settings
and modes selection
Key “leaves current screen”
Screen key
From measurement screens, it gives access to other screens
On/Off ke
Conventional
sound level meter
Dosimeter-exposimeter
with storage
Calibration

5. Settings
Instrument setting is for all the useful and necessar operations for the success of the measurement, to
read data or to transfer data. It also gives informations about the international standards, the element
of the instrument and the date of last checking.
Important : this “measurement setting” is automaticall saved and loaded for the next measure
5.1. Brightness / backlight
To optimize displa reading :
➢Set the brightness b pressing function ke s 1 and 2.
➢Backlight the LCD screen for an eas reading in dark place.
“No” means backlight is not activated and “Yes” means that backlight is activated.
When backlight is activated, batter life is reduced b 15%.
Note : a short press of On/Off key activates or deactivates backlight at an time.
In exposimeter integrating mode, backlight will be automaticall deactivated after some time to save
batter life.
5.2. Measurement programming
To be performed before starting a measurement. Parameters must be set according to measurement
conditions and adopted measurement strateg .
➢Press 1 key to move the cursor.
➢Change the suggestion in reverse video pressing 2 or 3 key.
V : concerns the number of measurement channels. Here, onl 1 channel.
Lpk : select C or Z for the peak pressure weighting. Usuall , C weighting is preferred.
Di : select the duration of elementar integration of the equivalent continuous level for a proper
representation of the time evolution. This duration varies between 1 and 60 s with a 1 s step. Usuall ,
the duration of 1 s is preferred.
A//C : 2 possibilities are proposed :
the measurement of the Leq equivalent continuous level with the A-frequenc weighting. Select the item A.
the measurement of the Leq with A and C weightings simultaneousl . Select the item A//C.
This last setting allows to estimate the sound exposure in case of use of individual noise protection according to the HLM
method and ISO 4969-2 standard.
Alarm : concerns the activation of the lighting on the top of the housing, visible b the exposimeter holder or the technician
in charge of the measurement following.
➢Select Yes to make visible the following informations :
•Orange : in case of exceeding at least one of the following values
–Lpk > 135 dBC or Z
–LAeqDi, or LAeq,T > 80 dBA
–Dose > 31.62%
•Red : in case of exceeding at least one of the following values
–Lpk > 137 dBC or Z
–LAeqDi, or LAeq,T > 85 dBA
–Dose > 100%
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